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的关联查询，数据库表除了前面小节中已经定义好的用户表...","2026-09-12T08:29:57.518395Z",[87],[],{"permalink":412,"excerpt":407,"lastModifyTime":413,"phase":116},"\u002Farchives\u002Fmybaitsplus-join-query","2026-09-13T05:25:32.424638Z",[415],{"metadata":416,"spec":417,"status":418,"postCount":96},{"name":87,"creationTimestamp":88},{"displayName":90,"slug":87,"cover":91,"description":92,"priority":27,"hideFromList":93,"preventParentPostCascadeQuery":93},{"permalink":95,"postCount":96,"visiblePostCount":96},{"metadata":420,"spec":423,"status":432,"categories":436},{"name":421,"creationTimestamp":422},"post-mybaitsplus-enum-value-745dbc08","2026-09-12T08:29:56.730649Z",{"title":424,"slug":425,"cover":426,"excerpt":427,"publishTime":429,"categories":430,"tags":431,"priority":27,"pinned":93,"deleted":93,"visible":111,"allowComment":112},"Mybatis Plus 通用枚举（图文讲解）","mybaitsplus-enum-value","\u002Fupload\u002F167359425246371-MHdo.jpg",{"raw":428,"autoGenerate":93},"\r\n大家好，本小节中，我们将讲解 Mybatis Plus 通用枚举的用法。那么，什么是通用枚举呢？之前小节中，我们的用户表有个性别字段 gender，在插入数据时，我们的示例代码大致如下...","2026-09-12T08:29:56.787230Z",[87],[],{"permalink":433,"excerpt":434,"lastModifyTime":435,"phase":116},"\u002Farchives\u002Fmybaitsplus-enum-value","本小节中，我们将讲解 Mybatis Plus 通用枚举的用法。那么，什么是通用枚举呢？之前小节中，我们的用户表有个性别字段 gender，在插入数据时，我们的示例代码大致如下...","2026-09-13T05:25:33.487169Z",[437],{"metadata":438,"spec":439,"status":440,"postCount":96},{"name":87,"creationTimestamp":88},{"displayName":90,"slug":87,"cover":91,"description":92,"priority":27,"hideFromList":93,"preventParentPostCascadeQuery":93},{"permalink":95,"postCount":96,"visiblePostCount":96},{"metadata":442,"spec":445,"status":454,"categories":458},{"name":443,"creationTimestamp":444},"post-mybaitsplus-common-annotation-80f197dc","2026-09-12T08:29:56.056296Z",{"title":446,"slug":447,"cover":448,"excerpt":449,"publishTime":451,"categories":452,"tags":453,"priority":27,"pinned":93,"deleted":93,"visible":111,"allowComment":112},"Mybatis Plus 常用注解（超详细）","mybaitsplus-common-annotation","\u002Fupload\u002F167334634342163-ZyfL.jpg",{"raw":450,"autoGenerate":93},"大家好，本文主要带大家来看下 Mybatis Plus 框架中，使用频率非常高的几个注解及其属性值，因为编写此本教程目的是为了大家快速入门并使用 Mybatis Plus，关于注解更高级的用法请参考官网...","2026-09-12T08:29:56.114067Z",[87],[],{"permalink":455,"excerpt":456,"lastModifyTime":457,"phase":116},"\u002Farchives\u002Fmybaitsplus-common-annotation","本文主要带大家来看下 Mybatis Plus 框架中，使用频率非常高的几个注解及其属性值，因为编写此本教程目的是为了大家快速入门并使用 Mybatis Plus，关于注解更高级的用法请参考官网...","2026-09-13T05:25:33.983128Z",[459],{"metadata":460,"spec":461,"status":462,"postCount":96},{"name":87,"creationTimestamp":88},{"displayName":90,"slug":87,"cover":91,"description":92,"priority":27,"hideFromList":93,"preventParentPostCascadeQuery":93},{"permalink":95,"postCount":96,"visiblePostCount":96},{"metadata":464,"spec":467,"status":476,"categories":479},{"name":465,"creationTimestamp":466},"post-mybaitsplus-code-generator-c984d27c","2026-09-12T08:29:55.452199Z",{"title":468,"slug":469,"cover":470,"excerpt":471,"publishTime":473,"categories":474,"tags":475,"priority":27,"pinned":93,"deleted":93,"visible":111,"allowComment":112},"Mybatis Plus 代码生成器（图文讲解）","mybaitsplus-code-generator","\u002Fupload\u002F167387297654896-aKtE.jpg",{"raw":472,"autoGenerate":93},"本小节中，我们将学习如何使用 Mybatis Plus 的代码生成器。可能有效小伙伴会疑惑，这玩意是干嘛使的？通常在实际项目开发中，如果开发一个功能，我们会先进行表设计，技术方案的确定，技术经理评估 OK 以后，才会进行项目开发，而不是一上来就写代码，跟无头苍蝇一样...","2026-09-12T08:29:55.508709Z",[87],[],{"permalink":477,"excerpt":472,"lastModifyTime":478,"phase":116},"\u002Farchives\u002Fmybaitsplus-code-generator","2026-09-13T05:25:35.131214Z",[480],{"metadata":481,"spec":482,"status":483,"postCount":96},{"name":87,"creationTimestamp":88},{"displayName":90,"slug":87,"cover":91,"description":92,"priority":27,"hideFromList":93,"preventParentPostCascadeQuery":93},{"permalink":95,"postCount":96,"visiblePostCount":96},{"metadata":485,"spec":486,"status":490,"categories":491,"content":496},{"name":146,"creationTimestamp":147},{"title":149,"slug":150,"cover":151,"excerpt":487,"publishTime":154,"categories":488,"tags":489,"priority":27,"pinned":93,"deleted":93,"visible":111,"allowComment":112},{"raw":153,"autoGenerate":93},[87],[],{"permalink":158,"excerpt":159,"lastModifyTime":160,"phase":116},[492],{"metadata":493,"spec":494,"status":495,"postCount":96},{"name":87,"creationTimestamp":88},{"displayName":90,"slug":87,"cover":91,"description":92,"priority":27,"hideFromList":93,"preventParentPostCascadeQuery":93},{"permalink":95,"postCount":96,"visiblePostCount":96},{"content":497,"raw":498},"\u003Cp>\u003C\u002Fp>\n\u003Cp>在《快速入门》\u003Cspan>\u003Csvg xmlns=\"http:\u002F\u002Fwww.w3.org\u002F2000\u002Fsvg\" style=\"color: #aaa; margin-left: 3px;\" aria-hidden=\"true\" focusable=\"false\" x=\"0px\" y=\"0px\" viewBox=\"0 0 100 100\" width=\"15\" height=\"15\" class=\"icon outbound\">\u003Cpath fill=\"currentColor\" d=\"M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z\">\u003C\u002Fpath> \u003Cpolygon fill=\"currentColor\" points=\"45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9\">\u003C\u002Fpolygon>\u003C\u002Fsvg> \u003Cspan class=\"sr-only\">\u003C\u002Fspan>\u003C\u002Fspan>小节中，我们已经使用 Mybatis Plus 对数据库进行了最简单的 CRUD 操作，但是在实际项目中，增删改查操作会更加复杂，接下来，我们将更加深入的学习 Mybatis Plus 的增删改查。\u003C\u002Fp>\n\u003Cp>在这之前呢，我们先配置一下 Mybatis Plus 打印 SQL 功能（包括执行耗时），以方便我们更直观的学习 CRUD, 一方面可以了解到每个操作都具体执行的什么 SQL 语句， 另一方面通过打印执行耗时，也可以规避一些慢 SQL，提前做好优化。\u003Cstrong>注意，生产环境不推荐打印执行 SQL，会有数据泄漏风险，仅推荐本地开发使用。\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cblockquote>\n\u003Cp>TIP : 此种方式为官方推荐，通过 \u003Ccode>p6spy\u003C\u002Fcode> 组件来实现完整的 SQL 打印。请使用 Mybatis Plus 3.1.0 以上版本。\u003C\u002Fp>\n\u003C\u002Fblockquote>\n\u003Ch2>二、引入依赖\u003C\u002Fh2>\n\u003Ch3>Maven\u003C\u002Fh3>\n\u003Cpre>\u003Ccode><dependency>\n  <groupId>p6spy<\u002FgroupId>\n  <artifactId>p6spy<\u002FartifactId>\n  <version>最新版本<\u002Fversion>\n<\u002Fdependency>\n\u003C\u002Fcode>\u003C\u002Fpre>\n\u003Cblockquote>\n\u003Cp>TIP: \u003Cem>最新版本\u003C\u002Fem> 可在 Maven 仓库中查看，链接：\u003Ca href=\"https:\u002F\u002Fmvnrepository.com\u002Fartifact\u002Fp6spy\u002Fp6spy\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">https:\u002F\u002Fmvnrepository.com\u002Fartifact\u002Fp6spy\u002Fp6spy\u003C\u002Fa>\u003Cspan>\u003Csvg xmlns=\"http:\u002F\u002Fwww.w3.org\u002F2000\u002Fsvg\" style=\"color: #aaa; margin-left: 3px;\" aria-hidden=\"true\" focusable=\"false\" x=\"0px\" y=\"0px\" viewBox=\"0 0 100 100\" width=\"15\" height=\"15\" class=\"icon outbound\">\u003Cpath fill=\"currentColor\" d=\"M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z\">\u003C\u002Fpath> \u003Cpolygon fill=\"currentColor\" points=\"45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9\">\u003C\u002Fpolygon>\u003C\u002Fsvg> \u003Cspan class=\"sr-only\">\u003C\u002Fspan>\u003C\u002Fspan>\u003C\u002Fp>\n\u003Cp>\n\u003Cimg src=\"\u002Fupload\u002F167091605638716-eGlp.jpg\" loading=\"lazy\" title=\"p6spy 最新版本\" alt=\"p6spy 最新版本\">\u003Cspan class=\"image-caption\">p6spy 最新版本\u003C\u002Fspan>\n\u003C\u002Fp>\n\u003C\u002Fblockquote>\n\u003Ch3>Gradle\u003C\u002Fh3>\n\u003Cpre>\u003Ccode>compile group: 'p6spy', name: 'p6spy', version: '最新版本'\n\u003C\u002Fcode>\u003C\u002Fpre>\n\u003Ch2>三、添加配置\u003C\u002Fh2>\n\u003Ch3>3.1 第一步：修改 \u003Ccode>application.yml\u003C\u002Fcode> 配置文件\u003C\u002Fh3>\n\u003Cp>\u003Ccode>application.yml\u003C\u002Fcode> 配置文件：\u003C\u002Fp>\n\u003Cpre>\u003Ccode>spring:\n  datasource:\n    driver-class-name: com.p6spy.engine.spy.P6SpyDriver\n    url: jdbc:p6spy:mysql:\u002F\u002F127.0.0.1:3306\u002Ftest?characterEncoding=utf-8\n    ...\n\u003C\u002Fcode>\u003C\u002Fpre>\n\u003Cblockquote>\n\u003Cp>\u003Cstrong>注意：\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cul>\n\u003Cli>\u003Ccode>driver-class-name\u003C\u002Fcode> 用 \u003Ccode>p6spy\u003C\u002Fcode> 提供的驱动类;\u003C\u002Fli>\n\u003Cli>\u003Ccode>url\u003C\u002Fcode> 前缀为 \u003Ccode>jdbc:p6spy\u003C\u002Fcode> 跟着冒号，后面对应数据库连接地址；\u003C\u002Fli>\n\u003C\u002Ful>\n\u003C\u002Fblockquote>\n\u003Ch3>3.2 第二步：添加 \u003Ccode>p6spy\u003C\u002Fcode> 配置文件\u003C\u002Fh3>\n\u003Cp>然后在 \u003Ccode>resources\u003C\u002Fcode> 目录下添加 \u003Ccode>spy.properties\u003C\u002Fcode> 配置文件：\u003C\u002Fp>\n\u003Cp>\n\u003Cimg src=\"\u002Fupload\u002F167091681899519-tEqD.jpg\" loading=\"lazy\" title=\"添加 spy.properties 配置文件\" alt=\"添加 spy.properties 配置文件\">\u003Cspan class=\"image-caption\">添加 spy.properties 配置文件\u003C\u002Fspan>\n\u003C\u002Fp>\n\u003Cp>配置文件内容如下：\u003C\u002Fp>\n\u003Cpre>\u003Ccode>#3.2.1以上使用\nmodulelist=com.baomidou.mybatisplus.extension.p6spy.MybatisPlusLogFactory,com.p6spy.engine.outage.P6OutageFactory\n#3.2.1以下使用或者不配置\n#modulelist=com.p6spy.engine.logging.P6LogFactory,com.p6spy.engine.outage.P6OutageFactory\n# 自定义日志打印\nlogMessageFormat=com.baomidou.mybatisplus.extension.p6spy.P6SpyLogger\n#日志输出到控制台\nappender=com.baomidou.mybatisplus.extension.p6spy.StdoutLogger\n# 使用日志系统记录 sql\n#appender=com.p6spy.engine.spy.appender.Slf4JLogger\n# 设置 p6spy driver 代理\nderegisterdrivers=true\n# 取消JDBC URL前缀\nuseprefix=true\n# 配置记录 Log 例外,可去掉的结果集有error,info,batch,debug,statement,commit,rollback,result,resultset.\nexcludecategories=info,debug,result,commit,resultset\n# 日期格式\ndateformat=yyyy-MM-dd HH:mm:ss\n# 实际驱动可多个\n#driverlist=org.h2.Driver\n# 是否开启慢SQL记录\noutagedetection=true\n# 慢SQL记录标准 2 秒\noutagedetectioninterval=2\n\u003C\u002Fcode>\u003C\u002Fpre>\n\u003Ch2>四、看看打印效果\u003C\u002Fh2>\n\u003Cp>配置添加完成后，单元测试执行一条插入语句：\u003C\u002Fp>\n\u003Cpre>\u003Ccode>@Test\n    void testInsertUser() {\n        System.out.println(("----- 开始测试 mybatis-plus 插入数据 ------"));\n        User user = User.builder()\n                .name("张三教程")\n                .age(30)\n                .gender(1)\n                .build();\n\n        userMapper.insert(user);\n    }\n\u003C\u002Fcode>\u003C\u002Fpre>\n\u003Cp>打印效果图如下，可以看到完整的打印了执行语句，以及执行耗时为 8ms：\u003C\u002Fp>\n\u003Cp>\n\u003Cimg src=\"\u002Fupload\u002F167091701684028-JgsJ.jpg\" loading=\"lazy\" title=\"SQL 打印效果图\" alt=\"SQL 打印效果图\">\u003Cspan class=\"image-caption\">SQL 打印效果图\u003C\u002Fspan>\n\u003C\u002Fp>\n\u003Ch2>五、注意点\u003C\u002Fh2>\n\u003Cp>\u003Ccode>p6spy\u003C\u002Fcode> 组件\u003Cstrong>请勿在生产环境使用，因为有性能损耗，推荐仅本地开发开启使用。\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Ch2>六、结语\u003C\u002Fh2>\n\u003Cp>本文给大家介绍了在项目用使用 Mybatis Plus 持久层框架时，如何通过 \u003Ccode>p6spy\u003C\u002Fcode> 组件完整的打印 SQL 语句，以及执行耗时，此功能对于本地开发非常有帮助，有兴趣的小伙伴赶紧在自己的项目中集成一下吧。\u003C\u002Fp>\n13:T3c40,\u003Ch2 id=\"toc-0\">一、前言\u003C\u002Fh2>\n\u003Cp>\u003C\u002Fp>\n\u003Cp>在《快速入门》\u003Cspan>\u003Csvg xmlns=\"http:\u002F\u002Fwww.w3.org\u002F2000\u002Fsvg\" style=\"color: #aaa; margin-left: 3px;\" aria-hidden=\"true\" focusable=\"false\" x=\"0px\" y=\"0px\" viewBox=\"0 0 100 100\" width=\"15\" height=\"15\" class=\"icon outbound\">\u003Cpath fill=\"currentColor\" d=\"M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z\">\u003C\u002Fpath> \u003Cpolygon fill=\"currentColor\" points=\"45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9\">\u003C\u002Fpolygon>\u003C\u002Fsvg> \u003Cspan class=\"sr-only\">\u003C\u002Fspan>\u003C\u002Fspan>小节中，我们已经使用 Mybatis Plus 对数据库进行了最简单的 CRUD 操作，但是在实际项目中，增删改查操作会更加复杂，接下来，我们将更加深入的学习 Mybatis Plus 的增删改查。\u003C\u002Fp>\n\u003Cp>在这之前呢，我们先配置一下 Mybatis Plus 打印 SQL 功能（包括执行耗时），以方便我们更直观的学习 CRUD, 一方面可以了解到每个操作都具体执行的什么 SQL 语句， 另一方面通过打印执行耗时，也可以规避一些慢 SQL，提前做好优化。\u003Cstrong>注意，生产环境不推荐打印执行 SQL，会有数据泄漏风险，仅推荐本地开发使用。\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cblockquote>\n\u003Cp>TIP : 此种方式为官方推荐，通过 \u003Ccode>p6spy\u003C\u002Fcode> 组件来实现完整的 SQL 打印。请使用 Mybatis Plus 3.1.0 以上版本。\u003C\u002Fp>\n\u003C\u002Fblockquote>\n\u003Ch2 id=\"toc-1\">二、引入依赖\u003C\u002Fh2>\n\u003Ch3 id=\"toc-2\">Maven\u003C\u002Fh3>\n\u003Cdiv class=\"language-xml\" data-ext=\"xml\" data-code=\"%3Cdependency%3E%0A%20%20%3CgroupId%3Ep6spy%3C%2FgroupId%3E%0A%20%20%3CartifactId%3Ep6spy%3C%2FartifactId%3E%0A%20%20%3Cversion%3E%E6%9C%80%E6%96%B0%E7%89%88%E6%9C%AC%3C%2Fversion%3E%0A%3C%2Fdependency%3E%0A\">\n        \u003Cbutton class=\"vp-copy-code-button\" data-copy data-copied=\"已复制\" aria-label=\"复制代码\">\u003C\u002Fbutton>\n        \u003Cpre>\u003Ccode class=\"language-xml\">\u003Cspan class=\"token tag\">\u003Cspan class=\"token tag\">\u003Cspan class=\"token punctuation\"><\u003C\u002Fspan>dependency\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">>\u003C\u002Fspan>\u003C\u002Fspan>\n  \u003Cspan class=\"token tag\">\u003Cspan class=\"token tag\">\u003Cspan class=\"token punctuation\"><\u003C\u002Fspan>groupId\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">>\u003C\u002Fspan>\u003C\u002Fspan>p6spy\u003Cspan class=\"token tag\">\u003Cspan class=\"token tag\">\u003Cspan class=\"token punctuation\"><\u002F\u003C\u002Fspan>groupId\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">>\u003C\u002Fspan>\u003C\u002Fspan>\n  \u003Cspan class=\"token tag\">\u003Cspan class=\"token tag\">\u003Cspan class=\"token punctuation\"><\u003C\u002Fspan>artifactId\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">>\u003C\u002Fspan>\u003C\u002Fspan>p6spy\u003Cspan class=\"token tag\">\u003Cspan class=\"token tag\">\u003Cspan class=\"token punctuation\"><\u002F\u003C\u002Fspan>artifactId\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">>\u003C\u002Fspan>\u003C\u002Fspan>\n  \u003Cspan class=\"token tag\">\u003Cspan class=\"token tag\">\u003Cspan class=\"token punctuation\"><\u003C\u002Fspan>version\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">>\u003C\u002Fspan>\u003C\u002Fspan>最新版本\u003Cspan class=\"token tag\">\u003Cspan class=\"token tag\">\u003Cspan class=\"token punctuation\"><\u002F\u003C\u002Fspan>version\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">>\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"token tag\">\u003Cspan class=\"token tag\">\u003Cspan class=\"token punctuation\"><\u002F\u003C\u002Fspan>dependency\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">>\u003C\u002Fspan>\u003C\u002Fspan>\n\u003C\u002Fcode>\u003C\u002Fpre>\n      \u003C\u002Fdiv>\n\u003Cblockquote>\n\u003Cp>TIP: \u003Cem>最新版本\u003C\u002Fem> 可在 Maven 仓库中查看，链接：\u003Ca href=\"https:\u002F\u002Fmvnrepository.com\u002Fartifact\u002Fp6spy\u002Fp6spy\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">https:\u002F\u002Fmvnrepository.com\u002Fartifact\u002Fp6spy\u002Fp6spy\u003C\u002Fa>\u003Cspan>\u003Csvg xmlns=\"http:\u002F\u002Fwww.w3.org\u002F2000\u002Fsvg\" style=\"color: #aaa; margin-left: 3px;\" aria-hidden=\"true\" focusable=\"false\" x=\"0px\" y=\"0px\" viewBox=\"0 0 100 100\" width=\"15\" height=\"15\" class=\"icon outbound\">\u003Cpath fill=\"currentColor\" d=\"M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z\">\u003C\u002Fpath> \u003Cpolygon fill=\"currentColor\" points=\"45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9\">\u003C\u002Fpolygon>\u003C\u002Fsvg> \u003Cspan class=\"sr-only\">\u003C\u002Fspan>\u003C\u002Fspan>\u003C\u002Fp>\n\u003Cp>\n\u003Cdiv class=\"img-loading\">\u003Cimg src=\"\u002Fupload\u002F167091605638716-eGlp.jpg\" loading=\"lazy\" title=\"p6spy 最新版本\" alt=\"p6spy 最新版本\">\u003C\u002Fdiv>\u003Cspan class=\"image-caption\">p6spy 最新版本\u003C\u002Fspan>\n\u003C\u002Fp>\n\u003C\u002Fblockquote>\n\u003Ch3 id=\"toc-3\">Gradle\u003C\u002Fh3>\n\u003Cdiv class=\"language-sql\" data-ext=\"sql\" data-code=\"compile%20group%3A%20'p6spy'%2C%20name%3A%20'p6spy'%2C%20version%3A%20'%E6%9C%80%E6%96%B0%E7%89%88%E6%9C%AC'%0A\">\n        \u003Cbutton class=\"vp-copy-code-button\" data-copy data-copied=\"已复制\" aria-label=\"复制代码\">\u003C\u002Fbutton>\n        \u003Cpre>\u003Ccode class=\"language-sql\">compile \u003Cspan class=\"token keyword\">group\u003C\u002Fspan>: \u003Cspan class=\"token string\">'p6spy'\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">,\u003C\u002Fspan> name: \u003Cspan class=\"token string\">'p6spy'\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">,\u003C\u002Fspan> version: \u003Cspan class=\"token string\">'最新版本'\u003C\u002Fspan>\n\u003C\u002Fcode>\u003C\u002Fpre>\n      \u003C\u002Fdiv>\n\u003Ch2 id=\"toc-4\">三、添加配置\u003C\u002Fh2>\n\u003Ch3 id=\"toc-5\">3.1 第一步：修改 \u003Ccode>application.yml\u003C\u002Fcode> 配置文件\u003C\u002Fh3>\n\u003Cp>\u003Ccode>application.yml\u003C\u002Fcode> 配置文件：\u003C\u002Fp>\n\u003Cdiv class=\"language-yaml\" data-ext=\"yaml\" data-code=\"spring%3A%0A%20%20datasource%3A%0A%20%20%20%20driver-class-name%3A%20com.p6spy.engine.spy.P6SpyDriver%0A%20%20%20%20url%3A%20jdbc%3Ap6spy%3Amysql%3A%2F%2F127.0.0.1%3A3306%2Ftest%3FcharacterEncoding%3Dutf-8%0A%20%20%20%20...%0A\">\n        \u003Cbutton class=\"vp-copy-code-button\" data-copy data-copied=\"已复制\" aria-label=\"复制代码\">\u003C\u002Fbutton>\n        \u003Cpre>\u003Ccode class=\"language-yaml\">\u003Cspan class=\"token key atrule\">spring\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">:\u003C\u002Fspan>\n  \u003Cspan class=\"token key atrule\">datasource\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">:\u003C\u002Fspan>\n    \u003Cspan class=\"token key atrule\">driver-class-name\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">:\u003C\u002Fspan> com.p6spy.engine.spy.P6SpyDriver\n    \u003Cspan class=\"token key atrule\">url\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">:\u003C\u002Fspan> jdbc\u003Cspan class=\"token punctuation\">:\u003C\u002Fspan>p6spy\u003Cspan class=\"token punctuation\">:\u003C\u002Fspan>mysql\u003Cspan class=\"token punctuation\">:\u003C\u002Fspan>\u002F\u002F127.0.0.1\u003Cspan class=\"token punctuation\">:\u003C\u002Fspan>3306\u002Ftest\u003Cspan class=\"token punctuation\">?\u003C\u002Fspan>characterEncoding=utf\u003Cspan class=\"token punctuation\">-\u003C\u002Fspan>\u003Cspan class=\"token number\">8\u003C\u002Fspan>\n    \u003Cspan class=\"token punctuation\">...\u003C\u002Fspan>\n\u003C\u002Fcode>\u003C\u002Fpre>\n      \u003C\u002Fdiv>\n\u003Cblockquote>\n\u003Cp>\u003Cstrong>注意：\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cul>\n\u003Cli>\u003Ccode>driver-class-name\u003C\u002Fcode> 用 \u003Ccode>p6spy\u003C\u002Fcode> 提供的驱动类;\u003C\u002Fli>\n\u003Cli>\u003Ccode>url\u003C\u002Fcode> 前缀为 \u003Ccode>jdbc:p6spy\u003C\u002Fcode> 跟着冒号，后面对应数据库连接地址；\u003C\u002Fli>\n\u003C\u002Ful>\n\u003C\u002Fblockquote>\n\u003Ch3 id=\"toc-6\">3.2 第二步：添加 \u003Ccode>p6spy\u003C\u002Fcode> 配置文件\u003C\u002Fh3>\n\u003Cp>然后在 \u003Ccode>resources\u003C\u002Fcode> 目录下添加 \u003Ccode>spy.properties\u003C\u002Fcode> 配置文件：\u003C\u002Fp>\n\u003Cp>\n\u003Cdiv class=\"img-loading\">\u003Cimg src=\"\u002Fupload\u002F167091681899519-tEqD.jpg\" loading=\"lazy\" title=\"添加 spy.properties 配置文件\" alt=\"添加 spy.properties 配置文件\">\u003C\u002Fdiv>\u003Cspan class=\"image-caption\">添加 spy.properties 配置文件\u003C\u002Fspan>\n\u003C\u002Fp>\n\u003Cp>配置文件内容如下：\u003C\u002Fp>\n\u003Cdiv class=\"language-bash\" data-ext=\"bash\" data-code=\"%233.2.1%E4%BB%A5%E4%B8%8A%E4%BD%BF%E7%94%A8%0Amodulelist%3Dcom.baomidou.mybatisplus.extension.p6spy.MybatisPlusLogFactory%2Ccom.p6spy.engine.outage.P6OutageFactory%0A%233.2.1%E4%BB%A5%E4%B8%8B%E4%BD%BF%E7%94%A8%E6%88%96%E8%80%85%E4%B8%8D%E9%85%8D%E7%BD%AE%0A%23modulelist%3Dcom.p6spy.engine.logging.P6LogFactory%2Ccom.p6spy.engine.outage.P6OutageFactory%0A%23%20%E8%87%AA%E5%AE%9A%E4%B9%89%E6%97%A5%E5%BF%97%E6%89%93%E5%8D%B0%0AlogMessageFormat%3Dcom.baomidou.mybatisplus.extension.p6spy.P6SpyLogger%0A%23%E6%97%A5%E5%BF%97%E8%BE%93%E5%87%BA%E5%88%B0%E6%8E%A7%E5%88%B6%E5%8F%B0%0Aappender%3Dcom.baomidou.mybatisplus.extension.p6spy.StdoutLogger%0A%23%20%E4%BD%BF%E7%94%A8%E6%97%A5%E5%BF%97%E7%B3%BB%E7%BB%9F%E8%AE%B0%E5%BD%95%20sql%0A%23appender%3Dcom.p6spy.engine.spy.appender.Slf4JLogger%0A%23%20%E8%AE%BE%E7%BD%AE%20p6spy%20driver%20%E4%BB%A3%E7%90%86%0Aderegisterdrivers%3Dtrue%0A%23%20%E5%8F%96%E6%B6%88JDBC%20URL%E5%89%8D%E7%BC%80%0Auseprefix%3Dtrue%0A%23%20%E9%85%8D%E7%BD%AE%E8%AE%B0%E5%BD%95%20Log%20%E4%BE%8B%E5%A4%96%2C%E5%8F%AF%E5%8E%BB%E6%8E%89%E7%9A%84%E7%BB%93%E6%9E%9C%E9%9B%86%E6%9C%89error%2Cinfo%2Cbatch%2Cdebug%2Cstatement%2Ccommit%2Crollback%2Cresult%2Cresultset.%0Aexcludecategories%3Dinfo%2Cdebug%2Cresult%2Ccommit%2Cresultset%0A%23%20%E6%97%A5%E6%9C%9F%E6%A0%BC%E5%BC%8F%0Adateformat%3Dyyyy-MM-dd%20HH%3Amm%3Ass%0A%23%20%E5%AE%9E%E9%99%85%E9%A9%B1%E5%8A%A8%E5%8F%AF%E5%A4%9A%E4%B8%AA%0A%23driverlist%3Dorg.h2.Driver%0A%23%20%E6%98%AF%E5%90%A6%E5%BC%80%E5%90%AF%E6%85%A2SQL%E8%AE%B0%E5%BD%95%0Aoutagedetection%3Dtrue%0A%23%20%E6%85%A2SQL%E8%AE%B0%E5%BD%95%E6%A0%87%E5%87%86%202%20%E7%A7%92%0Aoutagedetectioninterval%3D2%0A\">\n        \u003Cbutton class=\"vp-copy-code-button\" data-copy data-copied=\"已复制\" aria-label=\"复制代码\">\u003C\u002Fbutton>\n        \u003Cpre>\u003Ccode class=\"language-bash\">\u003Cspan class=\"token comment\">#3.2.1以上使用\u003C\u002Fspan>\n\u003Cspan class=\"token assign-left variable\">modulelist\u003C\u002Fspan>\u003Cspan class=\"token operator\">=\u003C\u002Fspan>com.baomidou.mybatisplus.extension.p6spy.MybatisPlusLogFactory,com.p6spy.engine.outage.P6OutageFactory\n\u003Cspan class=\"token comment\">#3.2.1以下使用或者不配置\u003C\u002Fspan>\n\u003Cspan class=\"token comment\">#modulelist=com.p6spy.engine.logging.P6LogFactory,com.p6spy.engine.outage.P6OutageFactory\u003C\u002Fspan>\n\u003Cspan class=\"token comment\"># 自定义日志打印\u003C\u002Fspan>\n\u003Cspan class=\"token assign-left variable\">logMessageFormat\u003C\u002Fspan>\u003Cspan class=\"token operator\">=\u003C\u002Fspan>com.baomidou.mybatisplus.extension.p6spy.P6SpyLogger\n\u003Cspan class=\"token comment\">#日志输出到控制台\u003C\u002Fspan>\n\u003Cspan class=\"token assign-left variable\">appender\u003C\u002Fspan>\u003Cspan class=\"token operator\">=\u003C\u002Fspan>com.baomidou.mybatisplus.extension.p6spy.StdoutLogger\n\u003Cspan class=\"token comment\"># 使用日志系统记录 sql\u003C\u002Fspan>\n\u003Cspan class=\"token comment\">#appender=com.p6spy.engine.spy.appender.Slf4JLogger\u003C\u002Fspan>\n\u003Cspan class=\"token comment\"># 设置 p6spy driver 代理\u003C\u002Fspan>\n\u003Cspan class=\"token assign-left variable\">deregisterdrivers\u003C\u002Fspan>\u003Cspan class=\"token operator\">=\u003C\u002Fspan>true\n\u003Cspan class=\"token comment\"># 取消JDBC URL前缀\u003C\u002Fspan>\n\u003Cspan class=\"token assign-left variable\">useprefix\u003C\u002Fspan>\u003Cspan class=\"token operator\">=\u003C\u002Fspan>true\n\u003Cspan class=\"token comment\"># 配置记录 Log 例外,可去掉的结果集有error,info,batch,debug,statement,commit,rollback,result,resultset.\u003C\u002Fspan>\n\u003Cspan class=\"token assign-left variable\">excludecategories\u003C\u002Fspan>\u003Cspan class=\"token operator\">=\u003C\u002Fspan>info,debug,result,commit,resultset\n\u003Cspan class=\"token comment\"># 日期格式\u003C\u002Fspan>\n\u003Cspan class=\"token assign-left variable\">dateformat\u003C\u002Fspan>\u003Cspan class=\"token operator\">=\u003C\u002Fspan>yyyy-MM-dd HH:mm:ss\n\u003Cspan class=\"token comment\"># 实际驱动可多个\u003C\u002Fspan>\n\u003Cspan class=\"token comment\">#driverlist=org.h2.Driver\u003C\u002Fspan>\n\u003Cspan class=\"token comment\"># 是否开启慢SQL记录\u003C\u002Fspan>\n\u003Cspan class=\"token assign-left variable\">outagedetection\u003C\u002Fspan>\u003Cspan class=\"token operator\">=\u003C\u002Fspan>true\n\u003Cspan class=\"token comment\"># 慢SQL记录标准 2 秒\u003C\u002Fspan>\n\u003Cspan class=\"token assign-left variable\">outagedetectioninterval\u003C\u002Fspan>\u003Cspan class=\"token operator\">=\u003C\u002Fspan>\u003Cspan class=\"token number\">2\u003C\u002Fspan>\n\u003C\u002Fcode>\u003C\u002Fpre>\n      \u003C\u002Fdiv>\n\u003Ch2 id=\"toc-7\">四、看看打印效果\u003C\u002Fh2>\n\u003Cp>配置添加完成后，单元测试执行一条插入语句：\u003C\u002Fp>\n\u003Cdiv class=\"language-java\" data-ext=\"java\" data-code=\"%40Test%0A%20%20%20%20void%20testInsertUser()%20%7B%0A%20%20%20%20%20%20%20%20System.out.println((%22-----%20%E5%BC%80%E5%A7%8B%E6%B5%8B%E8%AF%95%20mybatis-plus%20%E6%8F%92%E5%85%A5%E6%95%B0%E6%8D%AE%20------%22))%3B%0A%20%20%20%20%20%20%20%20User%20user%20%3D%20User.builder()%0A%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20.name(%22%E5%BC%A0%E4%B8%89%E6%95%99%E7%A8%8B%20www.mashangan.com%22)%0A%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20.age(30)%0A%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20.gender(1)%0A%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20.build()%3B%0A%0A%20%20%20%20%20%20%20%20userMapper.insert(user)%3B%0A%20%20%20%20%7D%0A\">\n        \u003Cbutton class=\"vp-copy-code-button\" data-copy data-copied=\"已复制\" aria-label=\"复制代码\">\u003C\u002Fbutton>\n        \u003Cpre>\u003Ccode class=\"language-java\">\u003Cspan class=\"token annotation punctuation\">@Test\u003C\u002Fspan>\n    \u003Cspan class=\"token keyword\">void\u003C\u002Fspan> \u003Cspan class=\"token function\">testInsertUser\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">(\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">)\u003C\u002Fspan> \u003Cspan class=\"token punctuation\">{\u003C\u002Fspan>\n        \u003Cspan class=\"token class-name\">System\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">.\u003C\u002Fspan>out\u003Cspan class=\"token punctuation\">.\u003C\u002Fspan>\u003Cspan class=\"token function\">println\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">(\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">(\u003C\u002Fspan>\u003Cspan class=\"token string\">\"----- 开始测试 mybatis-plus 插入数据 ------\"\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">)\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">)\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">;\u003C\u002Fspan>\n        \u003Cspan class=\"token class-name\">User\u003C\u002Fspan> user \u003Cspan class=\"token operator\">=\u003C\u002Fspan> \u003Cspan class=\"token class-name\">User\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">.\u003C\u002Fspan>\u003Cspan class=\"token function\">builder\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">(\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">)\u003C\u002Fspan>\n                \u003Cspan class=\"token punctuation\">.\u003C\u002Fspan>\u003Cspan class=\"token function\">name\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">(\u003C\u002Fspan>\u003Cspan class=\"token string\">\"张三教程\"\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">)\u003C\u002Fspan>\n                \u003Cspan class=\"token punctuation\">.\u003C\u002Fspan>\u003Cspan class=\"token function\">age\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">(\u003C\u002Fspan>\u003Cspan class=\"token number\">30\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">)\u003C\u002Fspan>\n                \u003Cspan class=\"token punctuation\">.\u003C\u002Fspan>\u003Cspan class=\"token function\">gender\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">(\u003C\u002Fspan>\u003Cspan class=\"token number\">1\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">)\u003C\u002Fspan>\n                \u003Cspan class=\"token punctuation\">.\u003C\u002Fspan>\u003Cspan class=\"token function\">build\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">(\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">)\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">;\u003C\u002Fspan>\n\n        userMapper\u003Cspan class=\"token punctuation\">.\u003C\u002Fspan>\u003Cspan class=\"token function\">insert\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">(\u003C\u002Fspan>user\u003Cspan class=\"token punctuation\">)\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">;\u003C\u002Fspan>\n    \u003Cspan class=\"token punctuation\">}\u003C\u002Fspan>\n\u003C\u002Fcode>\u003C\u002Fpre>\n      \u003C\u002Fdiv>\n\u003Cp>打印效果图如下，可以看到完整的打印了执行语句，以及执行耗时为 8ms：\u003C\u002Fp>\n\u003Cp>\n\u003Cdiv class=\"img-loading\">\u003Cimg src=\"\u002Fupload\u002F167091701684028-JgsJ.jpg\" loading=\"lazy\" title=\"SQL 打印效果图\" alt=\"SQL 打印效果图\">\u003C\u002Fdiv>\u003Cspan class=\"image-caption\">SQL 打印效果图\u003C\u002Fspan>\n\u003C\u002Fp>\n\u003Ch2 id=\"toc-8\">五、注意点\u003C\u002Fh2>\n\u003Cp>\u003Ccode>p6spy\u003C\u002Fcode> 组件\u003Cstrong>请勿在生产环境使用，因为有性能损耗，推荐仅本地开发开启使用。\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Ch2 id=\"toc-9\">六、结语\u003C\u002Fh2>\n\u003Cp>本文给大家介绍了在项目用使用 Mybatis Plus 持久层框架时，如何通过 \u003Ccode>p6spy\u003C\u002Fcode> 组件完整的打印 SQL 语句，以及执行耗时，此功能对于本地开发非常有帮助，有兴趣的小伙伴赶紧在自己的项目中集成一下吧。\u003C\u002Fp>","\u003Cp>大家好。\u003C\u002Fp>\n\u003Cp>在《快速入门》\u003Cspan>\u003Csvg xmlns=\"http:\u002F\u002Fwww.w3.org\u002F2000\u002Fsvg\" style=\"color: #aaa; margin-left: 3px;\" aria-hidden=\"true\" focusable=\"false\" x=\"0px\" y=\"0px\" viewBox=\"0 0 100 100\" width=\"15\" height=\"15\" class=\"icon outbound\">\u003Cpath fill=\"currentColor\" d=\"M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z\">\u003C\u002Fpath> \u003Cpolygon fill=\"currentColor\" points=\"45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9\">\u003C\u002Fpolygon>\u003C\u002Fsvg> \u003Cspan class=\"sr-only\">\u003C\u002Fspan>\u003C\u002Fspan>小节中，我们已经使用 Mybatis Plus 对数据库进行了最简单的 CRUD 操作，但是在实际项目中，增删改查操作会更加复杂，接下来，我们将更加深入的学习 Mybatis Plus 的增删改查。\u003C\u002Fp>\n\u003Cp>在这之前呢，我们先配置一下 Mybatis Plus 打印 SQL 功能（包括执行耗时），以方便我们更直观的学习 CRUD, 一方面可以了解到每个操作都具体执行的什么 SQL 语句， 另一方面通过打印执行耗时，也可以规避一些慢 SQL，提前做好优化。\u003Cstrong>注意，生产环境不推荐打印执行 SQL，会有数据泄漏风险，仅推荐本地开发使用。\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cblockquote>\n\u003Cp>TIP : 此种方式为官方推荐，通过 \u003Ccode>p6spy\u003C\u002Fcode> 组件来实现完整的 SQL 打印。请使用 Mybatis Plus 3.1.0 以上版本。\u003C\u002Fp>\n\u003C\u002Fblockquote>\n\u003Ch2>二、引入依赖\u003C\u002Fh2>\n\u003Ch3>Maven\u003C\u002Fh3>\n\u003Cpre>\u003Ccode><dependency>\n  <groupId>p6spy<\u002FgroupId>\n  <artifactId>p6spy<\u002FartifactId>\n  <version>最新版本<\u002Fversion>\n<\u002Fdependency>\n\u003C\u002Fcode>\u003C\u002Fpre>\n\u003Cblockquote>\n\u003Cp>TIP: \u003Cem>最新版本\u003C\u002Fem> 可在 Maven 仓库中查看，链接：\u003Ca href=\"https:\u002F\u002Fmvnrepository.com\u002Fartifact\u002Fp6spy\u002Fp6spy\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">https:\u002F\u002Fmvnrepository.com\u002Fartifact\u002Fp6spy\u002Fp6spy\u003C\u002Fa>\u003Cspan>\u003Csvg xmlns=\"http:\u002F\u002Fwww.w3.org\u002F2000\u002Fsvg\" style=\"color: #aaa; margin-left: 3px;\" aria-hidden=\"true\" focusable=\"false\" x=\"0px\" y=\"0px\" viewBox=\"0 0 100 100\" width=\"15\" height=\"15\" class=\"icon outbound\">\u003Cpath fill=\"currentColor\" d=\"M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z\">\u003C\u002Fpath> \u003Cpolygon fill=\"currentColor\" points=\"45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9\">\u003C\u002Fpolygon>\u003C\u002Fsvg> \u003Cspan class=\"sr-only\">\u003C\u002Fspan>\u003C\u002Fspan>\u003C\u002Fp>\n\u003Cp>\n\u003Cimg src=\"\u002Fupload\u002F167091605638716-eGlp.jpg\" loading=\"lazy\" title=\"p6spy 最新版本\" alt=\"p6spy 最新版本\">\u003Cspan class=\"image-caption\">p6spy 最新版本\u003C\u002Fspan>\n\u003C\u002Fp>\n\u003C\u002Fblockquote>\n\u003Ch3>Gradle\u003C\u002Fh3>\n\u003Cpre>\u003Ccode>compile group: 'p6spy', name: 'p6spy', version: '最新版本'\n\u003C\u002Fcode>\u003C\u002Fpre>\n\u003Ch2>三、添加配置\u003C\u002Fh2>\n\u003Ch3>3.1 第一步：修改 \u003Ccode>application.yml\u003C\u002Fcode> 配置文件\u003C\u002Fh3>\n\u003Cp>\u003Ccode>application.yml\u003C\u002Fcode> 配置文件：\u003C\u002Fp>\n\u003Cpre>\u003Ccode>spring:\n  datasource:\n    driver-class-name: com.p6spy.engine.spy.P6SpyDriver\n    url: jdbc:p6spy:mysql:\u002F\u002F127.0.0.1:3306\u002Ftest?characterEncoding=utf-8\n    ...\n\u003C\u002Fcode>\u003C\u002Fpre>\n\u003Cblockquote>\n\u003Cp>\u003Cstrong>注意：\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cul>\n\u003Cli>\u003Ccode>driver-class-name\u003C\u002Fcode> 用 \u003Ccode>p6spy\u003C\u002Fcode> 提供的驱动类;\u003C\u002Fli>\n\u003Cli>\u003Ccode>url\u003C\u002Fcode> 前缀为 \u003Ccode>jdbc:p6spy\u003C\u002Fcode> 跟着冒号，后面对应数据库连接地址；\u003C\u002Fli>\n\u003C\u002Ful>\n\u003C\u002Fblockquote>\n\u003Ch3>3.2 第二步：添加 \u003Ccode>p6spy\u003C\u002Fcode> 配置文件\u003C\u002Fh3>\n\u003Cp>然后在 \u003Ccode>resources\u003C\u002Fcode> 目录下添加 \u003Ccode>spy.properties\u003C\u002Fcode> 配置文件：\u003C\u002Fp>\n\u003Cp>\n\u003Cimg src=\"\u002Fupload\u002F167091681899519-tEqD.jpg\" loading=\"lazy\" title=\"添加 spy.properties 配置文件\" alt=\"添加 spy.properties 配置文件\">\u003Cspan class=\"image-caption\">添加 spy.properties 配置文件\u003C\u002Fspan>\n\u003C\u002Fp>\n\u003Cp>配置文件内容如下：\u003C\u002Fp>\n\u003Cpre>\u003Ccode>#3.2.1以上使用\nmodulelist=com.baomidou.mybatisplus.extension.p6spy.MybatisPlusLogFactory,com.p6spy.engine.outage.P6OutageFactory\n#3.2.1以下使用或者不配置\n#modulelist=com.p6spy.engine.logging.P6LogFactory,com.p6spy.engine.outage.P6OutageFactory\n# 自定义日志打印\nlogMessageFormat=com.baomidou.mybatisplus.extension.p6spy.P6SpyLogger\n#日志输出到控制台\nappender=com.baomidou.mybatisplus.extension.p6spy.StdoutLogger\n# 使用日志系统记录 sql\n#appender=com.p6spy.engine.spy.appender.Slf4JLogger\n# 设置 p6spy driver 代理\nderegisterdrivers=true\n# 取消JDBC URL前缀\nuseprefix=true\n# 配置记录 Log 例外,可去掉的结果集有error,info,batch,debug,statement,commit,rollback,result,resultset.\nexcludecategories=info,debug,result,commit,resultset\n# 日期格式\ndateformat=yyyy-MM-dd HH:mm:ss\n# 实际驱动可多个\n#driverlist=org.h2.Driver\n# 是否开启慢SQL记录\noutagedetection=true\n# 慢SQL记录标准 2 秒\noutagedetectioninterval=2\n\u003C\u002Fcode>\u003C\u002Fpre>\n\u003Ch2>四、看看打印效果\u003C\u002Fh2>\n\u003Cp>配置添加完成后，单元测试执行一条插入语句：\u003C\u002Fp>\n\u003Cpre>\u003Ccode>@Test\n    void testInsertUser() {\n        System.out.println(("----- 开始测试 mybatis-plus 插入数据 ------"));\n        User user = User.builder()\n                .name("编码世界")\n                .age(30)\n                .gender(1)\n                .build();\n\n        userMapper.insert(user);\n    }\n\u003C\u002Fcode>\u003C\u002Fpre>\n\u003Cp>打印效果图如下，可以看到完整的打印了执行语句，以及执行耗时为 8ms：\u003C\u002Fp>\n\u003Cp>\n\u003Cimg src=\"\u002Fupload\u002F167091701684028-JgsJ.jpg\" loading=\"lazy\" title=\"SQL 打印效果图\" alt=\"SQL 打印效果图\">\u003Cspan class=\"image-caption\">SQL 打印效果图\u003C\u002Fspan>\n\u003C\u002Fp>\n\u003Ch2>五、注意点\u003C\u002Fh2>\n\u003Cp>\u003Ccode>p6spy\u003C\u002Fcode> 组件\u003Cstrong>请勿在生产环境使用，因为有性能损耗，推荐仅本地开发开启使用。\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Ch2>六、结语\u003C\u002Fh2>\n\u003Cp>本文给大家介绍了在项目用使用 Mybatis Plus 持久层框架时，如何通过 \u003Ccode>p6spy\u003C\u002Fcode> 组件完整的打印 SQL 语句，以及执行耗时，此功能对于本地开发非常有帮助，有兴趣的小伙伴赶紧在自己的项目中集成一下吧。\u003C\u002Fp>\n13:T3c40,\u003Ch2 id=\"toc-0\">一、前言\u003C\u002Fh2>\n\u003Cp>大家好。\u003C\u002Fp>\n\u003Cp>在《快速入门》\u003Cspan>\u003Csvg xmlns=\"http:\u002F\u002Fwww.w3.org\u002F2000\u002Fsvg\" style=\"color: #aaa; margin-left: 3px;\" aria-hidden=\"true\" focusable=\"false\" x=\"0px\" y=\"0px\" viewBox=\"0 0 100 100\" width=\"15\" height=\"15\" class=\"icon outbound\">\u003Cpath fill=\"currentColor\" d=\"M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z\">\u003C\u002Fpath> \u003Cpolygon fill=\"currentColor\" points=\"45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9\">\u003C\u002Fpolygon>\u003C\u002Fsvg> \u003Cspan class=\"sr-only\">\u003C\u002Fspan>\u003C\u002Fspan>小节中，我们已经使用 Mybatis Plus 对数据库进行了最简单的 CRUD 操作，但是在实际项目中，增删改查操作会更加复杂，接下来，我们将更加深入的学习 Mybatis Plus 的增删改查。\u003C\u002Fp>\n\u003Cp>在这之前呢，我们先配置一下 Mybatis Plus 打印 SQL 功能（包括执行耗时），以方便我们更直观的学习 CRUD, 一方面可以了解到每个操作都具体执行的什么 SQL 语句， 另一方面通过打印执行耗时，也可以规避一些慢 SQL，提前做好优化。\u003Cstrong>注意，生产环境不推荐打印执行 SQL，会有数据泄漏风险，仅推荐本地开发使用。\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cblockquote>\n\u003Cp>TIP : 此种方式为官方推荐，通过 \u003Ccode>p6spy\u003C\u002Fcode> 组件来实现完整的 SQL 打印。请使用 Mybatis Plus 3.1.0 以上版本。\u003C\u002Fp>\n\u003C\u002Fblockquote>\n\u003Ch2 id=\"toc-1\">二、引入依赖\u003C\u002Fh2>\n\u003Ch3 id=\"toc-2\">Maven\u003C\u002Fh3>\n\u003Cdiv class=\"language-xml\" data-ext=\"xml\" data-code=\"%3Cdependency%3E%0A%20%20%3CgroupId%3Ep6spy%3C%2FgroupId%3E%0A%20%20%3CartifactId%3Ep6spy%3C%2FartifactId%3E%0A%20%20%3Cversion%3E%E6%9C%80%E6%96%B0%E7%89%88%E6%9C%AC%3C%2Fversion%3E%0A%3C%2Fdependency%3E%0A\">\n        \u003Cbutton class=\"vp-copy-code-button\" data-copy data-copied=\"已复制\" aria-label=\"复制代码\">\u003C\u002Fbutton>\n        \u003Cpre>\u003Ccode class=\"language-xml\">\u003Cspan class=\"token tag\">\u003Cspan class=\"token tag\">\u003Cspan class=\"token punctuation\"><\u003C\u002Fspan>dependency\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">>\u003C\u002Fspan>\u003C\u002Fspan>\n  \u003Cspan class=\"token tag\">\u003Cspan class=\"token tag\">\u003Cspan class=\"token punctuation\"><\u003C\u002Fspan>groupId\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">>\u003C\u002Fspan>\u003C\u002Fspan>p6spy\u003Cspan class=\"token tag\">\u003Cspan class=\"token tag\">\u003Cspan class=\"token punctuation\"><\u002F\u003C\u002Fspan>groupId\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">>\u003C\u002Fspan>\u003C\u002Fspan>\n  \u003Cspan class=\"token tag\">\u003Cspan class=\"token tag\">\u003Cspan class=\"token punctuation\"><\u003C\u002Fspan>artifactId\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">>\u003C\u002Fspan>\u003C\u002Fspan>p6spy\u003Cspan class=\"token tag\">\u003Cspan class=\"token tag\">\u003Cspan class=\"token punctuation\"><\u002F\u003C\u002Fspan>artifactId\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">>\u003C\u002Fspan>\u003C\u002Fspan>\n  \u003Cspan class=\"token tag\">\u003Cspan class=\"token tag\">\u003Cspan class=\"token punctuation\"><\u003C\u002Fspan>version\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">>\u003C\u002Fspan>\u003C\u002Fspan>最新版本\u003Cspan class=\"token tag\">\u003Cspan class=\"token tag\">\u003Cspan class=\"token punctuation\"><\u002F\u003C\u002Fspan>version\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">>\u003C\u002Fspan>\u003C\u002Fspan>\n\u003Cspan class=\"token tag\">\u003Cspan class=\"token tag\">\u003Cspan class=\"token punctuation\"><\u002F\u003C\u002Fspan>dependency\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">>\u003C\u002Fspan>\u003C\u002Fspan>\n\u003C\u002Fcode>\u003C\u002Fpre>\n      \u003C\u002Fdiv>\n\u003Cblockquote>\n\u003Cp>TIP: \u003Cem>最新版本\u003C\u002Fem> 可在 Maven 仓库中查看，链接：\u003Ca href=\"https:\u002F\u002Fmvnrepository.com\u002Fartifact\u002Fp6spy\u002Fp6spy\" rel=\"nofollow noopener noreferrer\" target=\"_blank\">https:\u002F\u002Fmvnrepository.com\u002Fartifact\u002Fp6spy\u002Fp6spy\u003C\u002Fa>\u003Cspan>\u003Csvg xmlns=\"http:\u002F\u002Fwww.w3.org\u002F2000\u002Fsvg\" style=\"color: #aaa; margin-left: 3px;\" aria-hidden=\"true\" focusable=\"false\" x=\"0px\" y=\"0px\" viewBox=\"0 0 100 100\" width=\"15\" height=\"15\" class=\"icon outbound\">\u003Cpath fill=\"currentColor\" d=\"M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z\">\u003C\u002Fpath> \u003Cpolygon fill=\"currentColor\" points=\"45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9\">\u003C\u002Fpolygon>\u003C\u002Fsvg> \u003Cspan class=\"sr-only\">\u003C\u002Fspan>\u003C\u002Fspan>\u003C\u002Fp>\n\u003Cp>\n\u003Cdiv class=\"img-loading\">\u003Cimg src=\"\u002Fupload\u002F167091605638716-eGlp.jpg\" loading=\"lazy\" title=\"p6spy 最新版本\" alt=\"p6spy 最新版本\">\u003C\u002Fdiv>\u003Cspan class=\"image-caption\">p6spy 最新版本\u003C\u002Fspan>\n\u003C\u002Fp>\n\u003C\u002Fblockquote>\n\u003Ch3 id=\"toc-3\">Gradle\u003C\u002Fh3>\n\u003Cdiv class=\"language-sql\" data-ext=\"sql\" data-code=\"compile%20group%3A%20'p6spy'%2C%20name%3A%20'p6spy'%2C%20version%3A%20'%E6%9C%80%E6%96%B0%E7%89%88%E6%9C%AC'%0A\">\n        \u003Cbutton class=\"vp-copy-code-button\" data-copy data-copied=\"已复制\" aria-label=\"复制代码\">\u003C\u002Fbutton>\n        \u003Cpre>\u003Ccode class=\"language-sql\">compile \u003Cspan class=\"token keyword\">group\u003C\u002Fspan>: \u003Cspan class=\"token string\">'p6spy'\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">,\u003C\u002Fspan> name: \u003Cspan class=\"token string\">'p6spy'\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">,\u003C\u002Fspan> version: \u003Cspan class=\"token string\">'最新版本'\u003C\u002Fspan>\n\u003C\u002Fcode>\u003C\u002Fpre>\n      \u003C\u002Fdiv>\n\u003Ch2 id=\"toc-4\">三、添加配置\u003C\u002Fh2>\n\u003Ch3 id=\"toc-5\">3.1 第一步：修改 \u003Ccode>application.yml\u003C\u002Fcode> 配置文件\u003C\u002Fh3>\n\u003Cp>\u003Ccode>application.yml\u003C\u002Fcode> 配置文件：\u003C\u002Fp>\n\u003Cdiv class=\"language-yaml\" data-ext=\"yaml\" data-code=\"spring%3A%0A%20%20datasource%3A%0A%20%20%20%20driver-class-name%3A%20com.p6spy.engine.spy.P6SpyDriver%0A%20%20%20%20url%3A%20jdbc%3Ap6spy%3Amysql%3A%2F%2F127.0.0.1%3A3306%2Ftest%3FcharacterEncoding%3Dutf-8%0A%20%20%20%20...%0A\">\n        \u003Cbutton class=\"vp-copy-code-button\" data-copy data-copied=\"已复制\" aria-label=\"复制代码\">\u003C\u002Fbutton>\n        \u003Cpre>\u003Ccode class=\"language-yaml\">\u003Cspan class=\"token key atrule\">spring\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">:\u003C\u002Fspan>\n  \u003Cspan class=\"token key atrule\">datasource\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">:\u003C\u002Fspan>\n    \u003Cspan class=\"token key atrule\">driver-class-name\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">:\u003C\u002Fspan> com.p6spy.engine.spy.P6SpyDriver\n    \u003Cspan class=\"token key atrule\">url\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">:\u003C\u002Fspan> jdbc\u003Cspan class=\"token punctuation\">:\u003C\u002Fspan>p6spy\u003Cspan class=\"token punctuation\">:\u003C\u002Fspan>mysql\u003Cspan class=\"token punctuation\">:\u003C\u002Fspan>\u002F\u002F127.0.0.1\u003Cspan class=\"token punctuation\">:\u003C\u002Fspan>3306\u002Ftest\u003Cspan class=\"token punctuation\">?\u003C\u002Fspan>characterEncoding=utf\u003Cspan class=\"token punctuation\">-\u003C\u002Fspan>\u003Cspan class=\"token number\">8\u003C\u002Fspan>\n    \u003Cspan class=\"token punctuation\">...\u003C\u002Fspan>\n\u003C\u002Fcode>\u003C\u002Fpre>\n      \u003C\u002Fdiv>\n\u003Cblockquote>\n\u003Cp>\u003Cstrong>注意：\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Cul>\n\u003Cli>\u003Ccode>driver-class-name\u003C\u002Fcode> 用 \u003Ccode>p6spy\u003C\u002Fcode> 提供的驱动类;\u003C\u002Fli>\n\u003Cli>\u003Ccode>url\u003C\u002Fcode> 前缀为 \u003Ccode>jdbc:p6spy\u003C\u002Fcode> 跟着冒号，后面对应数据库连接地址；\u003C\u002Fli>\n\u003C\u002Ful>\n\u003C\u002Fblockquote>\n\u003Ch3 id=\"toc-6\">3.2 第二步：添加 \u003Ccode>p6spy\u003C\u002Fcode> 配置文件\u003C\u002Fh3>\n\u003Cp>然后在 \u003Ccode>resources\u003C\u002Fcode> 目录下添加 \u003Ccode>spy.properties\u003C\u002Fcode> 配置文件：\u003C\u002Fp>\n\u003Cp>\n\u003Cdiv class=\"img-loading\">\u003Cimg src=\"\u002Fupload\u002F167091681899519-tEqD.jpg\" loading=\"lazy\" title=\"添加 spy.properties 配置文件\" alt=\"添加 spy.properties 配置文件\">\u003C\u002Fdiv>\u003Cspan class=\"image-caption\">添加 spy.properties 配置文件\u003C\u002Fspan>\n\u003C\u002Fp>\n\u003Cp>配置文件内容如下：\u003C\u002Fp>\n\u003Cdiv class=\"language-bash\" data-ext=\"bash\" data-code=\"%233.2.1%E4%BB%A5%E4%B8%8A%E4%BD%BF%E7%94%A8%0Amodulelist%3Dcom.baomidou.mybatisplus.extension.p6spy.MybatisPlusLogFactory%2Ccom.p6spy.engine.outage.P6OutageFactory%0A%233.2.1%E4%BB%A5%E4%B8%8B%E4%BD%BF%E7%94%A8%E6%88%96%E8%80%85%E4%B8%8D%E9%85%8D%E7%BD%AE%0A%23modulelist%3Dcom.p6spy.engine.logging.P6LogFactory%2Ccom.p6spy.engine.outage.P6OutageFactory%0A%23%20%E8%87%AA%E5%AE%9A%E4%B9%89%E6%97%A5%E5%BF%97%E6%89%93%E5%8D%B0%0AlogMessageFormat%3Dcom.baomidou.mybatisplus.extension.p6spy.P6SpyLogger%0A%23%E6%97%A5%E5%BF%97%E8%BE%93%E5%87%BA%E5%88%B0%E6%8E%A7%E5%88%B6%E5%8F%B0%0Aappender%3Dcom.baomidou.mybatisplus.extension.p6spy.StdoutLogger%0A%23%20%E4%BD%BF%E7%94%A8%E6%97%A5%E5%BF%97%E7%B3%BB%E7%BB%9F%E8%AE%B0%E5%BD%95%20sql%0A%23appender%3Dcom.p6spy.engine.spy.appender.Slf4JLogger%0A%23%20%E8%AE%BE%E7%BD%AE%20p6spy%20driver%20%E4%BB%A3%E7%90%86%0Aderegisterdrivers%3Dtrue%0A%23%20%E5%8F%96%E6%B6%88JDBC%20URL%E5%89%8D%E7%BC%80%0Auseprefix%3Dtrue%0A%23%20%E9%85%8D%E7%BD%AE%E8%AE%B0%E5%BD%95%20Log%20%E4%BE%8B%E5%A4%96%2C%E5%8F%AF%E5%8E%BB%E6%8E%89%E7%9A%84%E7%BB%93%E6%9E%9C%E9%9B%86%E6%9C%89error%2Cinfo%2Cbatch%2Cdebug%2Cstatement%2Ccommit%2Crollback%2Cresult%2Cresultset.%0Aexcludecategories%3Dinfo%2Cdebug%2Cresult%2Ccommit%2Cresultset%0A%23%20%E6%97%A5%E6%9C%9F%E6%A0%BC%E5%BC%8F%0Adateformat%3Dyyyy-MM-dd%20HH%3Amm%3Ass%0A%23%20%E5%AE%9E%E9%99%85%E9%A9%B1%E5%8A%A8%E5%8F%AF%E5%A4%9A%E4%B8%AA%0A%23driverlist%3Dorg.h2.Driver%0A%23%20%E6%98%AF%E5%90%A6%E5%BC%80%E5%90%AF%E6%85%A2SQL%E8%AE%B0%E5%BD%95%0Aoutagedetection%3Dtrue%0A%23%20%E6%85%A2SQL%E8%AE%B0%E5%BD%95%E6%A0%87%E5%87%86%202%20%E7%A7%92%0Aoutagedetectioninterval%3D2%0A\">\n        \u003Cbutton class=\"vp-copy-code-button\" data-copy data-copied=\"已复制\" aria-label=\"复制代码\">\u003C\u002Fbutton>\n        \u003Cpre>\u003Ccode class=\"language-bash\">\u003Cspan class=\"token comment\">#3.2.1以上使用\u003C\u002Fspan>\n\u003Cspan class=\"token assign-left variable\">modulelist\u003C\u002Fspan>\u003Cspan class=\"token operator\">=\u003C\u002Fspan>com.baomidou.mybatisplus.extension.p6spy.MybatisPlusLogFactory,com.p6spy.engine.outage.P6OutageFactory\n\u003Cspan class=\"token comment\">#3.2.1以下使用或者不配置\u003C\u002Fspan>\n\u003Cspan class=\"token comment\">#modulelist=com.p6spy.engine.logging.P6LogFactory,com.p6spy.engine.outage.P6OutageFactory\u003C\u002Fspan>\n\u003Cspan class=\"token comment\"># 自定义日志打印\u003C\u002Fspan>\n\u003Cspan class=\"token assign-left variable\">logMessageFormat\u003C\u002Fspan>\u003Cspan class=\"token operator\">=\u003C\u002Fspan>com.baomidou.mybatisplus.extension.p6spy.P6SpyLogger\n\u003Cspan class=\"token comment\">#日志输出到控制台\u003C\u002Fspan>\n\u003Cspan class=\"token assign-left variable\">appender\u003C\u002Fspan>\u003Cspan class=\"token operator\">=\u003C\u002Fspan>com.baomidou.mybatisplus.extension.p6spy.StdoutLogger\n\u003Cspan class=\"token comment\"># 使用日志系统记录 sql\u003C\u002Fspan>\n\u003Cspan class=\"token comment\">#appender=com.p6spy.engine.spy.appender.Slf4JLogger\u003C\u002Fspan>\n\u003Cspan class=\"token comment\"># 设置 p6spy driver 代理\u003C\u002Fspan>\n\u003Cspan class=\"token assign-left variable\">deregisterdrivers\u003C\u002Fspan>\u003Cspan class=\"token operator\">=\u003C\u002Fspan>true\n\u003Cspan class=\"token comment\"># 取消JDBC URL前缀\u003C\u002Fspan>\n\u003Cspan class=\"token assign-left variable\">useprefix\u003C\u002Fspan>\u003Cspan class=\"token operator\">=\u003C\u002Fspan>true\n\u003Cspan class=\"token comment\"># 配置记录 Log 例外,可去掉的结果集有error,info,batch,debug,statement,commit,rollback,result,resultset.\u003C\u002Fspan>\n\u003Cspan class=\"token assign-left variable\">excludecategories\u003C\u002Fspan>\u003Cspan class=\"token operator\">=\u003C\u002Fspan>info,debug,result,commit,resultset\n\u003Cspan class=\"token comment\"># 日期格式\u003C\u002Fspan>\n\u003Cspan class=\"token assign-left variable\">dateformat\u003C\u002Fspan>\u003Cspan class=\"token operator\">=\u003C\u002Fspan>yyyy-MM-dd HH:mm:ss\n\u003Cspan class=\"token comment\"># 实际驱动可多个\u003C\u002Fspan>\n\u003Cspan class=\"token comment\">#driverlist=org.h2.Driver\u003C\u002Fspan>\n\u003Cspan class=\"token comment\"># 是否开启慢SQL记录\u003C\u002Fspan>\n\u003Cspan class=\"token assign-left variable\">outagedetection\u003C\u002Fspan>\u003Cspan class=\"token operator\">=\u003C\u002Fspan>true\n\u003Cspan class=\"token comment\"># 慢SQL记录标准 2 秒\u003C\u002Fspan>\n\u003Cspan class=\"token assign-left variable\">outagedetectioninterval\u003C\u002Fspan>\u003Cspan class=\"token operator\">=\u003C\u002Fspan>\u003Cspan class=\"token number\">2\u003C\u002Fspan>\n\u003C\u002Fcode>\u003C\u002Fpre>\n      \u003C\u002Fdiv>\n\u003Ch2 id=\"toc-7\">四、看看打印效果\u003C\u002Fh2>\n\u003Cp>配置添加完成后，单元测试执行一条插入语句：\u003C\u002Fp>\n\u003Cdiv class=\"language-java\" data-ext=\"java\" data-code=\"%40Test%0A%20%20%20%20void%20testInsertUser()%20%7B%0A%20%20%20%20%20%20%20%20System.out.println((%22-----%20%E5%BC%80%E5%A7%8B%E6%B5%8B%E8%AF%95%20mybatis-plus%20%E6%8F%92%E5%85%A5%E6%95%B0%E6%8D%AE%20------%22))%3B%0A%20%20%20%20%20%20%20%20User%20user%20%3D%20User.builder()%0A%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20.name(%22%E5%BC%A0%E4%B8%89%E6%95%99%E7%A8%8B%20www.mashangan.com%22)%0A%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20.age(30)%0A%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20.gender(1)%0A%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20%20.build()%3B%0A%0A%20%20%20%20%20%20%20%20userMapper.insert(user)%3B%0A%20%20%20%20%7D%0A\">\n        \u003Cbutton class=\"vp-copy-code-button\" data-copy data-copied=\"已复制\" aria-label=\"复制代码\">\u003C\u002Fbutton>\n        \u003Cpre>\u003Ccode class=\"language-java\">\u003Cspan class=\"token annotation punctuation\">@Test\u003C\u002Fspan>\n    \u003Cspan class=\"token keyword\">void\u003C\u002Fspan> \u003Cspan class=\"token function\">testInsertUser\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">(\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">)\u003C\u002Fspan> \u003Cspan class=\"token punctuation\">{\u003C\u002Fspan>\n        \u003Cspan class=\"token class-name\">System\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">.\u003C\u002Fspan>out\u003Cspan class=\"token punctuation\">.\u003C\u002Fspan>\u003Cspan class=\"token function\">println\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">(\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">(\u003C\u002Fspan>\u003Cspan class=\"token string\">\"----- 开始测试 mybatis-plus 插入数据 ------\"\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">)\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">)\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">;\u003C\u002Fspan>\n        \u003Cspan class=\"token class-name\">User\u003C\u002Fspan> user \u003Cspan class=\"token operator\">=\u003C\u002Fspan> \u003Cspan class=\"token class-name\">User\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">.\u003C\u002Fspan>\u003Cspan class=\"token function\">builder\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">(\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">)\u003C\u002Fspan>\n                \u003Cspan class=\"token punctuation\">.\u003C\u002Fspan>\u003Cspan class=\"token function\">name\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">(\u003C\u002Fspan>\u003Cspan class=\"token string\">\"编码世界\"\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">)\u003C\u002Fspan>\n                \u003Cspan class=\"token punctuation\">.\u003C\u002Fspan>\u003Cspan class=\"token function\">age\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">(\u003C\u002Fspan>\u003Cspan class=\"token number\">30\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">)\u003C\u002Fspan>\n                \u003Cspan class=\"token punctuation\">.\u003C\u002Fspan>\u003Cspan class=\"token function\">gender\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">(\u003C\u002Fspan>\u003Cspan class=\"token number\">1\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">)\u003C\u002Fspan>\n                \u003Cspan class=\"token punctuation\">.\u003C\u002Fspan>\u003Cspan class=\"token function\">build\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">(\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">)\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">;\u003C\u002Fspan>\n\n        userMapper\u003Cspan class=\"token punctuation\">.\u003C\u002Fspan>\u003Cspan class=\"token function\">insert\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">(\u003C\u002Fspan>user\u003Cspan class=\"token punctuation\">)\u003C\u002Fspan>\u003Cspan class=\"token punctuation\">;\u003C\u002Fspan>\n    \u003Cspan class=\"token punctuation\">}\u003C\u002Fspan>\n\u003C\u002Fcode>\u003C\u002Fpre>\n      \u003C\u002Fdiv>\n\u003Cp>打印效果图如下，可以看到完整的打印了执行语句，以及执行耗时为 8ms：\u003C\u002Fp>\n\u003Cp>\n\u003Cdiv class=\"img-loading\">\u003Cimg src=\"\u002Fupload\u002F167091701684028-JgsJ.jpg\" loading=\"lazy\" title=\"SQL 打印效果图\" alt=\"SQL 打印效果图\">\u003C\u002Fdiv>\u003Cspan class=\"image-caption\">SQL 打印效果图\u003C\u002Fspan>\n\u003C\u002Fp>\n\u003Ch2 id=\"toc-8\">五、注意点\u003C\u002Fh2>\n\u003Cp>\u003Ccode>p6spy\u003C\u002Fcode> 组件\u003Cstrong>请勿在生产环境使用，因为有性能损耗，推荐仅本地开发开启使用。\u003C\u002Fstrong>\u003C\u002Fp>\n\u003Ch2 id=\"toc-9\">六、结语\u003C\u002Fh2>\n\u003Cp>本文给大家介绍了在项目用使用 Mybatis Plus 持久层框架时，如何通过 \u003Ccode>p6spy\u003C\u002Fcode> 组件完整的打印 SQL 语句，以及执行耗时，此功能对于本地开发非常有帮助，有兴趣的小伙伴赶紧在自己的项目中集成一下吧。\u003C\u002Fp>"]