{"id":24,"date":"2023-03-02T10:10:46","date_gmt":"2023-03-02T02:10:46","guid":{"rendered":"https:\/\/www.jishuge.cn\/?p=24"},"modified":"2023-03-02T10:26:16","modified_gmt":"2023-03-02T02:26:16","slug":"mybatis%e6%a1%86%e6%9e%b6%e5%9c%a8springboot%e4%b8%ad%e4%bd%bf%e7%94%a8%e6%ad%a5%e9%aa%a4","status":"publish","type":"post","link":"https:\/\/blog.jishuge.cn\/?p=24","title":{"rendered":"MyBatis\u6846\u67b6\u5728SpringBoot\u4e2d\u4f7f\u7528\u6b65\u9aa4"},"content":{"rendered":"\n

\u4e00\u3001\u6dfb\u52a0mybatis\u548c\u6570\u636e\u5e93\u9a71\u52a8\u4f9d\u8d56<\/h3>\n\n\n\n
        <!--\u6dfb\u52a0mybatis\u4f9d\u8d56-->\n        <dependency>\n            <groupId>org.mybatis.spring.boot<\/groupId>\n            <artifactId>mybatis-spring-boot-starter<\/artifactId>\n            <version>2.3.0<\/version>\n        <\/dependency>\n        <!--\u6dfb\u52a0mysql\u9a71\u52a8\u4f9d\u8d56-->\n        <dependency>\n            <groupId>mysql<\/groupId>\n            <artifactId>mysql-connector-java<\/artifactId>\n            <version>8.0.29<\/version>\n        <\/dependency><\/code><\/pre>\n\n\n\n

\u4e8c\u3001\u5728pom.xml\u6307\u5b9amapper\u8def\u5f84\u4fdd\u62a4\u5230classpath\u4e2d\u53bb\u3002<\/h3>\n\n\n\n
       <!--  resouce\u63d2\u4ef6  -->\n        <resources>\n            <resource>\n                <directory>src\/main\/resources<\/directory>\n                <includes>\n                     <include>**\/*.*<\/include>\n                <\/includes>\n            <\/resource>\n        <\/resources><\/code><\/pre>\n\n\n\n

\u4e09\u3001\u521b\u5efa\u5b9e\u4f53\u7c7b<\/h3>\n\n\n\n
public class User {\n\n    private Integer id;\n    private String type;\n    private String name;\n    private String description;\n\n\n    public Integer getId() {\n        return id;\n    }\n\n    public void setId(Integer id) {\n        this.id = id;\n    }\n\n    public String getType() {\n        return type;\n    }\n\n    public void setType(String type) {\n        this.type = type;\n    }\n\n    public String getName() {\n        return name;\n    }\n\n    public void setName(String name) {\n        this.name = name;\n    }\n\n    public String getDescription() {\n        return description;\n    }\n\n    public void setDescription(String description) {\n        this.description = description;\n    }\n\n    @Override\n    public String toString() {\n        return \"User{\" +\n                \"id=\" + id +\n                \", type='\" + type + '\\'' +\n                \", name='\" + name + '\\'' +\n                \", description='\" + description + '\\'' +\n                '}';\n    }\n}<\/code><\/pre>\n\n\n\n

\u56db\u3001\u521b\u5efaDao\u63a5\u53e3\uff0c\u5e76\u5b9a\u4e49\u4e1a\u52a1\u65b9\u6cd5\u3002<\/h3>\n\n\n\n
import com.jishuge.app01.model.User;\nimport org.apache.ibatis.annotations.Mapper;\n\nimport javax.websocket.server.PathParam;\n\n\n\/**\n * @Mapper\uff1a\u544a\u8bc9Mybatis\u8fd9\u662fdao\u63a5\u53e3\uff0c\u521b\u5efa\u8be5\u63a5\u53e3\u7684\u4ee3\u7406\u5bf9\u8c61\u3002\n *\/\n@Mapper\npublic interface UserDao {\n\n    User selectById(@PathParam(\"id\") Integer id);\n\n}<\/code><\/pre>\n\n\n\n

\u4e94\u3001\u5728mapper\u4e2d\u521b\u5efa\u5bf9\u5e94\u7684xml\u6587\u4ef6\uff0c\u5199sql\u8bed\u53e5<\/h3>\n\n\n\n
<?xml version=\"1.0\" encoding=\"UTF-8\" ?>\n<!DOCTYPE mapper\n        PUBLIC \"-\/\/mybatis.org\/\/DTD Mapper 3.0\/\/EN\"\n        \"http:\/\/mybatis.org\/dtd\/mybatis-3-mapper.dtd\">\n\n<!--\u6307\u5b9a\u662f\u90a3\u4e2aDao\u6587\u4ef6\u63a5\u53e3\u3002-->\n<mapper namespace=\"com.jishuge.app01.dao.UserDao\">\n    <!--id\u5e94\u8be5\u662f\u65b9\u6cd5\u540d\u79f0\uff0c\u8fd9\u6837\u53ef\u4ee5\u4fdd\u6301\u552f\u4e00\u6027-->\n    <!--    #{id}  \u5c31\u662f\u4f20\u5165\u7684\u65b9\u6cd5\u53c2\u6570  -->\n    <select id=\"selectById\" resultType=\"com.jishuge.app01.model.User\">\n        select * from user where id= #{id};\n    <\/select>\n<\/mapper><\/code><\/pre>\n\n\n\n

\u516d\u3001\u521b\u5efaService\u5c42\u5bf9\u8c61\uff0c\u521b\u5efaService\u63a5\u53e3\u548c\u5b9e\u73b0\u7c7b\uff0c\u8c03\u7528Dao\u5bf9\u8c61\u65b9\u6cd5\u3002<\/h3>\n\n\n\n
\/\/\u521b\u5efaService\u63a5\u53e3\npublic interface UserService {\n\n    public User queryUser(Integer id);\n\n}\n\n\n\n\/\/\u5b9e\u73b0Service\u63a5\u53e3\n\/**\n * \u4e00\u5b9a\u8981\u52a0\u5165\u8fd9\u4e2a@service,\u58f0\u660e\u4e3a\u4e1a\u52a1\u5c42\u5bf9\u8c61\u3002\n *\/\n@Service\npublic class UserServiceImpl implements UserService {\n\n    \/**\n     * \u81ea\u52a8\u6ce8\u5165\n     *\/\n    @Autowired\n    private UserDao userDao;\n\n    @Override\n    public User queryUser(Integer id) {\n        return userDao.selectById(id);\n    }\n}<\/code><\/pre>\n\n\n\n

\u4e03\u3001\u521b\u5efacontroller\u5bf9\u8c61\u8bbf\u95eeService<\/h3>\n\n\n\n
@Controller\npublic class BootController {\n\n    @Autowired\n    private UserService userService;\n\n    @RequestMapping(\"\/user\/info\")\n    @ResponseBody\n    public String getUserInfo(Integer id) {\n        User user = userService.queryUser(id);\n        return user.toString();\n    }\n\n}\n<\/code><\/pre>\n\n\n\n

\u516b\u3001\u5728application.yml\u6587\u4ef6\u914d\u7f6e\u6570\u636e\u5e93\u94fe\u63a5\u4fe1\u606f\u3002<\/h3>\n\n\n\n
spring:\n  datasource:\n    url: jdbc:mysql:\/\/localhost:3306\/test?useUnicode=true&characterEncoding=utf8&useSSL=false&serverTimezone=PRC\n    password: root\n    username: root\n    driver-class-name: com.mysql.cj.jdbc.Driver\nmybatis:\n  configuration:\n    log-impl: org.apache.ibatis.logging.stdout.StdOutImpl #\u65e5\u5fd7\u914d\u7f6e\uff0c\u8f93\u51fa\u5230\u63a7\u5236\u53f0\n  mapper-locations: classpath:mapper\/*.xml #\u6307\u5b9amapper\u6587\u4ef6\u5730\u5740\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"
\u4e00\u3001\u6dfb\u52a0mybatis\u548c\u6570\u636e\u5e93\u9a71\u52a8\u4f9d\u8d56 \u4e8c\u3001\u5728pom.xml\u6307\u5b9amapper\u8def\u5f84\u4fdd\u62a4\u5230classpath\u4e2d\u53bb\u3002 … \u7ee7\u7eed\u9605\u8bfbMyBatis\u6846\u67b6\u5728SpringBoot\u4e2d\u4f7f\u7528\u6b65\u9aa4<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":26,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5,6],"tags":[],"class_list":["post-24","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-java","category-mybatis"],"_links":{"self":[{"href":"https:\/\/blog.jishuge.cn\/index.php?rest_route=\/wp\/v2\/posts\/24","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.jishuge.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.jishuge.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.jishuge.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.jishuge.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=24"}],"version-history":[{"count":16,"href":"https:\/\/blog.jishuge.cn\/index.php?rest_route=\/wp\/v2\/posts\/24\/revisions"}],"predecessor-version":[{"id":42,"href":"https:\/\/blog.jishuge.cn\/index.php?rest_route=\/wp\/v2\/posts\/24\/revisions\/42"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.jishuge.cn\/index.php?rest_route=\/wp\/v2\/media\/26"}],"wp:attachment":[{"href":"https:\/\/blog.jishuge.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=24"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.jishuge.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=24"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.jishuge.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=24"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}