{"id":5842,"date":"2024-04-16T00:44:19","date_gmt":"2024-04-15T16:44:19","guid":{"rendered":"http:\/\/zyg.luchers.cn\/?p=5842"},"modified":"2024-04-16T00:44:19","modified_gmt":"2024-04-15T16:44:19","slug":"%e4%ba%94%e3%80%81springboot3%e6%95%b4%e5%90%88mybatis","status":"publish","type":"post","link":"http:\/\/zyg.luchers.cn\/index.php\/2024\/04\/16\/%e4%ba%94%e3%80%81springboot3%e6%95%b4%e5%90%88mybatis\/","title":{"rendered":"\u4e94\u3001SpringBoot3\u6574\u5408Mybatis"},"content":{"rendered":"

\u4e94\u3001SpringBoot3\u6574\u5408Mybatis<\/h1>\n

1\u3001\u6b65\u9aa4<\/h2>\n
    \n
  1. \u5bfc\u5165\u4f9d\u8d56\uff1a\u5728\u60a8\u7684Spring Boot\u9879\u76ee\u7684\u6784\u5efa\u6587\u4ef6\uff08\u5982pom.xml\uff09\u4e2d\u6dfb\u52a0MyBatis\u548c\u6570\u636e\u5e93\u9a71\u52a8\u7684\u76f8\u5173\u4f9d\u8d56\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f7f\u7528MySQL\u6570\u636e\u5e93\uff0c\u60a8\u9700\u8981\u6dfb\u52a0MyBatis\u548cMySQL\u9a71\u52a8\u7684\u4f9d\u8d56\u3002<\/li>\n
  2. \u914d\u7f6e\u6570\u636e\u6e90\uff1a\u5728application.properties<\/code>\u6216application.yml<\/code>\u4e2d\u914d\u7f6e\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\uff0c\u5305\u62ec\u6570\u636e\u5e93URL\u3001\u7528\u6237\u540d\u3001\u5bc6\u7801\u3001mybatis\u7684\u529f\u80fd\u914d\u7f6e\u7b49\u3002<\/li>\n
  3. \u521b\u5efa\u5b9e\u4f53\u7c7b\uff1a\u521b\u5efa\u4e0e\u6570\u636e\u5e93\u8868\u5bf9\u5e94\u7684\u5b9e\u4f53\u7c7b\u3002<\/li>\n
  4. \u521b\u5efaMapper\u63a5\u53e3\uff1a\u521b\u5efa\u4e0e\u6570\u636e\u5e93\u8868\u4ea4\u4e92\u7684Mapper\u63a5\u53e3\u3002<\/li>\n
  5. \u521b\u5efaMapper\u63a5\u53e3SQL\u5b9e\u73b0\uff1a \u53ef\u4ee5\u4f7f\u7528mapperxml\u6587\u4ef6\u6216\u8005\u6ce8\u89e3\u65b9\u5f0f<\/li>\n
  6. \u521b\u5efa\u7a0b\u5e8f\u542f\u52a8\u7c7b<\/li>\n
  7. \u6ce8\u89e3\u626b\u63cf\uff1a\u5728Spring Boot\u7684\u4e3b\u5e94\u7528\u7c7b\u4e0a\u6dfb\u52a0@MapperScan<\/code>\u6ce8\u89e3\uff0c\u7528\u4e8e\u626b\u63cf\u548c\u6ce8\u518cMapper\u63a5\u53e3\u3002<\/li>\n
  8. \u4f7f\u7528Mapper\u63a5\u53e3\uff1a\u5728\u9700\u8981\u4f7f\u7528\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u5730\u65b9\uff0c\u901a\u8fc7\u4f9d\u8d56\u6ce8\u5165\u6216\u76f4\u63a5\u5b9e\u4f8b\u5316Mapper\u63a5\u53e3\uff0c\u5e76\u8c03\u7528\u5176\u4e2d\u7684\u65b9\u6cd5\u8fdb\u884c\u6570\u636e\u5e93\u64cd\u4f5c\u3002<\/li>\n<\/ol>\n

    2\u3001\u6574\u5408\u5b9e\u6218<\/h2>\n

    1\u3001\u5bfc\u5165\u4f9d\u8d56<\/h3>\n

    1\u3001\u6ce8\u610f\uff1a\u57281.2.20\u4e4b\u540e\u7684druid\u914d\u7f6e\u5c31\u652f\u6301SpringBoot3\u4e2d\u7684\u914d\u7f6e\u53c2\u6570\u4e86<\/p>\n

    2\u3001\u4f9d\u8d56<\/p>\n

    <?xml version="1.0" encoding="UTF-8"?>\n<project xmlns="http:\/\/maven.apache.org\/POM\/4.0.0"\n         xmlns:xsi="http:\/\/www.w3.org\/2001\/XMLSchema-instance"\n         xsi:schemaLocation="http:\/\/maven.apache.org\/POM\/4.0.0 http:\/\/maven.apache.org\/xsd\/maven-4.0.0.xsd">\n    <modelVersion>4.0.0<\/modelVersion>\n\n    <groupId>com.atguigu<\/groupId>\n    <artifactId>springboot-base-mybatis-05<\/artifactId>\n    <version>1.0-SNAPSHOT<\/version>\n\n    <parent>\n        <groupId>org.springframework.boot<\/groupId>\n        <artifactId>spring-boot-starter-parent<\/artifactId>\n        <version>3.0.5<\/version>\n    <\/parent>\n\n    <properties>\n        <maven.compiler.source>17<\/maven.compiler.source>\n        <maven.compiler.target>17<\/maven.compiler.target>\n        <project.build.sourceEncoding>UTF-8<\/project.build.sourceEncoding>\n    <\/properties>\n\n    <dependencies>\n        <!--  web\u5f00\u53d1\u7684\u573a\u666f\u542f\u52a8\u5668 -->\n        <dependency>\n            <groupId>org.springframework.boot<\/groupId>\n            <artifactId>spring-boot-starter-web<\/artifactId>\n        <\/dependency>\n\n        <!-- \u6570\u636e\u5e93\u76f8\u5173\u914d\u7f6e\u542f\u52a8\u5668 jdbctemplate \u4e8b\u52a1\u76f8\u5173-->\n        <dependency>\n            <groupId>org.springframework.boot<\/groupId>\n            <artifactId>spring-boot-starter-jdbc<\/artifactId>\n        <\/dependency>\n\n        <!-- druid\u542f\u52a8\u5668\u7684\u4f9d\u8d56  -->\n        <dependency>\n            <groupId>com.alibaba<\/groupId>\n            <artifactId>druid<\/artifactId>\n            <version>1.2.20<\/version>\n        <\/dependency>\n\n        <!-- \u9a71\u52a8\u7c7b-->\n        <dependency>\n            <groupId>mysql<\/groupId>\n            <artifactId>mysql-connector-java<\/artifactId>\n            <version>8.0.28<\/version>\n        <\/dependency>\n\n        <dependency>\n            <groupId>org.projectlombok<\/groupId>\n            <artifactId>lombok<\/artifactId>\n            <version>1.18.28<\/version>\n        <\/dependency>\n\n        <dependency>\n            <groupId>org.mybatis.spring.boot<\/groupId>\n            <artifactId>mybatis-spring-boot-starter<\/artifactId>\n            <version>3.0.1<\/version>\n        <\/dependency>\n<!--        aop\u7684-->\n        <dependency>\n            <groupId>org.springframework.boot<\/groupId>\n            <artifactId>spring-boot-starter-aop<\/artifactId>\n        <\/dependency>\n\n    <\/dependencies>\n\n    <!--    SpringBoot\u5e94\u7528\u6253\u5305\u63d2\u4ef6-->\n    <build>\n        <plugins>\n            <plugin>\n                <groupId>org.springframework.boot<\/groupId>\n                <artifactId>spring-boot-maven-plugin<\/artifactId>\n            <\/plugin>\n        <\/plugins>\n    <\/build>\n\n<\/project><\/code><\/pre>\n
    2\u3001\u914d\u7f6e\u6587\u4ef6<\/h3>\n
    1\u3001\u5982\u4e0b\u914d\u7f6e<\/p>\n
    spring:\n  datasource:\n    # \u8fde\u63a5\u6c60\u7c7b\u578b\n    type: com.alibaba.druid.pool.DruidDataSource\n\n    # Druid\u7684\u5176\u4ed6\u5c5e\u6027\u914d\u7f6e springboot3\u6574\u5408\u60c5\u51b5\n    url: jdbc:mysql:\/\/localhost:3306\/manager\n    username: root\n    password: root\n    driver-class-name: com.mysql.cj.jdbc.Driver\n\nmybatis:\n  #\u6307\u5b9amapper.xml\u914d\u7f6e\u6587\u4ef6\u7684\u4f4d\u7f6e\n  mapper-locations: classpath:mappers\/*.xml\n  #\u6307\u5b9a\u5b9e\u4f53\u7c7b\u6240\u5728\u7684\u5305\uff0c\u81ea\u52a8\u626b\u63cf\u5305\u4e0b\u8fb9\u7684\u5b9e\u4f53\u7c7b\uff0c\u81ea\u52a8\u5c06\u5b9e\u4f53\u7c7b\u4e0emapper.xml\u8fdb\u884c\u7ed1\u5b9a\n  type-aliases-package: com.atguigu.pojo\n  configuration:\n    map-underscore-to-camel-case: true #\u5f00\u542f\u9a7c\u5cf0\u5f0f\n    auto-mapping-behavior: full #\u5f00\u542f\u81ea\u52a8\u6620\u5c04\uff0c\u6df1\u5c42\n    log-impl: org.apache.ibatis.logging.slf4j.Slf4jImpl #\u5f00\u542f\u65e5\u5fd7\n<\/code><\/pre>\n
    3\u3001\u5b9e\u73b0\u7c7b\u51c6\u5907<\/h3>\n
    1\u3001Teacher\u7c7b<\/p>\n
    package com.atguigu.pojo;\n\nimport lombok.Data;\n\n@Data\npublic class Teacher {\n\n    private Integer id;\n    private String username;\n    private String password;\n    private String name;\n    private String role;\n}<\/code><\/pre>\n
    4\u3001Mapper\u63a5\u53e3<\/h3>\n
    1\u3001UserMapper.java\u63a5\u53e3<\/p>\n
    package com.atguigu.mapper;\n\nimport com.atguigu.pojo.Teacher;\n\nimport java.util.List;\n\npublic interface UserMapper {\n\n    List<Teacher> queryAll();\n\n    int delete(int id);\n\n}\n<\/code><\/pre>\n
    5\u3001Mapper\u63a5\u53e3\u7684\u5b9e\u73b0\uff08XML\uff09\u6587\u4ef6<\/h3>\n
    1\u3001\u4f4d\u7f6e\uff1aresources\/mapper\/UserMapper.xml<\/p>\n
    2\u3001\u4ee3\u7801UserMapper.xml<\/p>\n
    <?xml version="1.0" encoding="UTF-8" ?>\n<!DOCTYPE mapper\n        PUBLIC "-\/\/mybatis.org\/\/DTD Mapper 3.0\/\/EN"\n        "https:\/\/mybatis.org\/dtd\/mybatis-3-mapper.dtd">\n<!-- namespace\u7b49\u4e8emapper\u63a5\u53e3\u7c7b\u7684\u5168\u9650\u5b9a\u540d,\u8fd9\u6837\u5b9e\u73b0\u5bf9\u5e94 -->\n<mapper namespace="com.atguigu.mapper.UserMapper">\n    <select id="queryAll" resultType="teacher">\n        select * from teacher;\n    <\/select>\n\n    <delete id="delete">\n        delete from teacher where id = #{id}\n    <\/delete>\n<\/mapper><\/code><\/pre>\n
    6\u3001\u7f16\u5199\u542f\u52a8\u7c7b\u548c\u63a5\u53e3\u626b\u63cf\u6ce8\u89e3<\/h3>\n
    1\u3001\u5b9e\u73b0<\/p>\n
    package com.atguigu;\n\nimport org.mybatis.spring.annotation.MapperScan;\nimport org.springframework.boot.SpringApplication;\nimport org.springframework.boot.autoconfigure.SpringBootApplication;\n\n@SpringBootApplication\n@MapperScan("com.atguigu.mapper")\/\/ \u626b\u63cfmapper\u63a5\u53e3\npublic class Main {\n    public static void main(String[] args) {\n        SpringApplication.run(Main.class, args);\n    }\n}<\/code><\/pre>\n
    7\u3001\u4e09\u5c42\u67b6\u6784<\/h3>\n
    1\u3001UserController.java\u4ee3\u7801<\/p>\n
    package com.atguigu.controller;\n\nimport com.atguigu.mapper.UserMapper;\nimport com.atguigu.pojo.Teacher;\nimport com.atguigu.service.UserService;\nimport org.springframework.beans.factory.annotation.Autowired;\nimport org.springframework.web.bind.annotation.*;\n\nimport java.util.List;\n\n@RestController\n@RequestMapping("user")\npublic class UserController {\n\n    @Autowired\n    private UserService userService;\n\n    @GetMapping("\/{id}")\n    public void deleteUser(@PathVariable("id") int id){\n        userService.delete(id);\n    }\n}<\/code><\/pre>\n
    2\u3001Userservice.java\u63a5\u53e3<\/p>\n
    package com.atguigu.service;\n\npublic interface UserService {\n    int delete(int id);\n}\n<\/code><\/pre>\n
    3\u3001UserServiceImpl.java\u5b9e\u73b0\u7c7b<\/p>\n
    package com.atguigu.service.impl;\n\nimport com.atguigu.mapper.UserMapper;\nimport com.atguigu.service.UserService;\nimport org.springframework.beans.factory.annotation.Autowired;\nimport org.springframework.stereotype.Service;\nimport org.springframework.transaction.annotation.Transactional;\n\n@Service\npublic class UserServiceImpl implements UserService {\n    @Autowired\n    private UserMapper userMapper;\n\n    @Override\n    @Transactional\n    public int delete(int id) {\n        int row =userMapper.delete(id);\n\/\/        int  s = 1\/0;\n        return row;\n    }\n}\n<\/code><\/pre>\n
    4\u3001UserMapper.java\u4ee3\u7801<\/p>\n
    package com.atguigu.mapper;\n\nimport com.atguigu.pojo.Teacher;\n\nimport java.util.List;\n\npublic interface UserMapper {\n\n    int delete(int id);\n}<\/code><\/pre>\n
    5\u3001UserMapper.xml\u6587\u4ef6<\/p>\n
    <?xml version="1.0" encoding="UTF-8" ?>\n<!DOCTYPE mapper\n        PUBLIC "-\/\/mybatis.org\/\/DTD Mapper 3.0\/\/EN"\n        "https:\/\/mybatis.org\/dtd\/mybatis-3-mapper.dtd">\n<!-- namespace\u7b49\u4e8emapper\u63a5\u53e3\u7c7b\u7684\u5168\u9650\u5b9a\u540d,\u8fd9\u6837\u5b9e\u73b0\u5bf9\u5e94 -->\n<mapper namespace="com.atguigu.mapper.UserMapper">\n    <select id="queryAll" resultType="teacher">\n        select * from teacher;\n    <\/select>\n\n    <delete id="delete">\n        delete from teacher where id = #{id}\n    <\/delete>\n<\/mapper><\/code><\/pre>\n
    6\u3001\u6d4b\u8bd5<\/p>\n
    3\u3001\u58f0\u660e\u5f0f\u4e8b\u52a1\u6574\u5408\u914d\u7f6e<\/h2>\n
    1\u3001\u5bfc\u5165\u4f9d\u8d56<\/h3>\n
    1\u3001\u4f9d\u8d56<\/p>\n
     <dependency>\n    <groupId>org.springframework.boot<\/groupId>\n    <artifactId>spring-boot-starter-jdbc<\/artifactId>\n<\/dependency><\/code><\/pre>\n
    2\u3001\u6ce8\u610f<\/h3>\n
      \n
    • SpringBoot\u9879\u76ee\u4f1a\u81ea\u52a8\u914d\u7f6e\u4e00\u4e2a DataSourceTransactionManager<\/li>\n
    • \u6240\u4ee5\u6211\u4eec\u53ea\u9700\u5728\u65b9\u6cd5\uff08\u6216\u8005\u7c7b\uff09\u52a0\u4e0a @Transactional \u6ce8\u89e3\uff0c\u5c31\u81ea\u52a8\u7eb3\u5165 Spring \u7684\u4e8b\u52a1\u7ba1\u7406\u4e86<\/li>\n<\/ul>\n
      3\u3001\u4f8b\u5b50<\/h3>\n
      @Transactional\npublic void update(){\n    User user = new User();\n    user.setId(1);\n    user.setPassword("test2");\n    user.setAccount("test2");\n    userMapper.update(user);\n}<\/code><\/pre>\n
      4\u3001AOP\u6574\u5408\u914d\u7f6e<\/h2>\n
      1\u3001\u4f9d\u8d56\u5bfc\u5165<\/h3>\n
      <dependency>\n    <groupId>org.springframework.boot<\/groupId>\n    <artifactId>spring-boot-starter-aop<\/artifactId>\n<\/dependency><\/code><\/pre>\n
      2\u3001\u4f8b\u5b50<\/h3>\n
      1\u3001\u6574\u4f53\u548c\u4e0a\u9762\u7684\u6574\u5408\u5b9e\u6218\u4e00\u6837<\/p>\n
      2\u3001\u8fd9\u91cc\u7740\u91cd\u8bb2AOP\u7684\u5b9e\u4f8b\u914d\u7f6e<\/p>\n
      3\u3001\u5b9e\u73b0<\/p>\n
      package com.atguigu.advice;\n\nimport org.aspectj.lang.JoinPoint;\nimport org.aspectj.lang.annotation.Aspect;\nimport org.aspectj.lang.annotation.Before;\nimport org.springframework.core.annotation.Order;\nimport org.springframework.stereotype.Component;\n\n\/**\n * \u5207\u7247\n *\/\n@Component\n@Aspect\n@Order(5)\npublic class LogAdvice {\n    @Before("execution(* com..service.*.*(..))")\n    public void before(JoinPoint joinPoint){\n        String className = joinPoint.getTarget().getClass().getSimpleName();\n        String methodName = joinPoint.getSignature().getName();\n        System.out.println("LogAdvice.before: "+className+"."+methodName+"()");\n        System.out.println("LogAdvice.before: \u5f00\u59cb\u4e8b\u52a1...");\n    }\n}\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
      \u4e94\u3001SpringBoot3\u6574\u5408Mybatis 1\u3001\u6b65\u9aa4 \u5bfc\u5165\u4f9d\u8d56\uff1a\u5728\u60a8\u7684Spring Boot\u9879\u76ee\u7684\u6784\u5efa\u6587\u4ef6\uff08 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[14],"tags":[],"class_list":["post-5842","post","type-post","status-publish","format-standard","hentry","category-springboot"],"_links":{"self":[{"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/posts\/5842","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/comments?post=5842"}],"version-history":[{"count":1,"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/posts\/5842\/revisions"}],"predecessor-version":[{"id":5843,"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/posts\/5842\/revisions\/5843"}],"wp:attachment":[{"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/media?parent=5842"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/categories?post=5842"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/tags?post=5842"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}