{"id":5840,"date":"2024-04-16T00:43:24","date_gmt":"2024-04-15T16:43:24","guid":{"rendered":"http:\/\/zyg.luchers.cn\/?p=5840"},"modified":"2024-04-16T00:43:24","modified_gmt":"2024-04-15T16:43:24","slug":"%e5%9b%9b%e3%80%81springboot3%e6%95%b4%e5%90%88druid%e6%95%b0%e6%8d%ae%e6%ba%90","status":"publish","type":"post","link":"http:\/\/zyg.luchers.cn\/index.php\/2024\/04\/16\/%e5%9b%9b%e3%80%81springboot3%e6%95%b4%e5%90%88druid%e6%95%b0%e6%8d%ae%e6%ba%90\/","title":{"rendered":"\u56db\u3001SpringBoot3\u6574\u5408Druid\u6570\u636e\u6e90"},"content":{"rendered":"

\u56db\u3001SpringBoot3\u6574\u5408Druid\u6570\u636e\u6e90<\/h1>\n

1\u3001\u6b65\u9aa4<\/h2>\n

1\u3001\u521b\u5efa\u7a0b\u5e8f<\/p>\n

2\u3001\u5f15\u5165\u76f8\u5173\u4f9d\u8d56\u5230pom.xml<\/p>\n

3\u3001\u8bbe\u7f6e\u542f\u52a8\u7c7b<\/p>\n

4\u3001\u914d\u7f6e\u6587\u4ef6\u7f16\u5199<\/p>\n

5\u3001\u7f16\u5199controller<\/p>\n

6\u3001\u542f\u52a8\u6d4b\u8bd5<\/p>\n

2\u3001\u5f15\u5165\u76f8\u5173\u4f9d\u8d56<\/h2>\n

1\u3001\u5728pom.xml\u5f15\u5165<\/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    <parent>\n        <groupId>org.springframework.boot<\/groupId>\n        <artifactId>spring-boot-starter-parent<\/artifactId>\n        <version>3.0.5<\/version>\n    <\/parent>\n\n    <groupId>com.atguigu<\/groupId>\n    <artifactId>springboot-base-druid-04<\/artifactId>\n    <version>1.0-SNAPSHOT<\/version>\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    <\/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
3\u3001\u7f16\u5199\u542f\u52a8\u7c7b<\/h2>\n
1\u3001\u4e0d\u51fa\u610f\u5916\u7684\u8bdd\uff0c\u8fd8\u662f\u548c\u524d\u9762\u4e00\u6837<\/p>\n
2\u3001\u5b9e\u73b0<\/p>\n
package com.atguigu;\n\nimport org.springframework.boot.SpringApplication;\nimport org.springframework.boot.autoconfigure.SpringBootApplication;\n\n@SpringBootApplication\npublic class Main {\n    public static void main(String[] args) {\n        SpringApplication.run(Main.class, args);\n    }\n}<\/code><\/pre>\n
4\u3001\u914d\u7f6e\u6587\u4ef6\u7f16\u5199<\/h2>\n
1\u3001\u6dfb\u52a0druid\u8fde\u63a5\u6c60\u7684\u57fa\u672c\u914d\u7f6e<\/h3>\n
1\u3001application.yaml<\/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\u4e0b,\u6570\u636e\u5e93\u8fde\u63a5\u4fe1\u606f\u5fc5\u987b\u5728Druid\u5c5e\u6027\u4e0b!\n    url: jdbc:mysql:\/\/localhost:3306\/manager\n    username: root\n    password: root\n    driver-class-name: com.mysql.cj.jdbc.Driver\n    druid:\n\n      # \u521d\u59cb\u5316\u65f6\u5efa\u7acb\u7269\u7406\u8fde\u63a5\u7684\u4e2a\u6570\n      initial-size: 5\n      # \u8fde\u63a5\u6c60\u7684\u6700\u5c0f\u7a7a\u95f2\u6570\u91cf\n      min-idle: 5\n      # \u8fde\u63a5\u6c60\u6700\u5927\u8fde\u63a5\u6570\u91cf\n      max-active: 20\n      # \u83b7\u53d6\u8fde\u63a5\u65f6\u6700\u5927\u7b49\u5f85\u65f6\u95f4\uff0c\u5355\u4f4d\u6beb\u79d2\n      max-wait: 60000\n      # \u7533\u8bf7\u8fde\u63a5\u7684\u65f6\u5019\u68c0\u6d4b\uff0c\u5982\u679c\u7a7a\u95f2\u65f6\u95f4\u5927\u4e8etimeBetweenEvictionRunsMillis\uff0c\u6267\u884cvalidationQuery\u68c0\u6d4b\u8fde\u63a5\u662f\u5426\u6709\u6548\u3002\n      test-while-idle: true\n      # \u65e2\u4f5c\u4e3a\u68c0\u6d4b\u7684\u95f4\u9694\u65f6\u95f4\u53c8\u4f5c\u4e3atestWhileIdel\u6267\u884c\u7684\u4f9d\u636e\n      time-between-eviction-runs-millis: 60000\n      # \u9500\u6bc1\u7ebf\u7a0b\u65f6\u68c0\u6d4b\u5f53\u524d\u8fde\u63a5\u7684\u6700\u540e\u6d3b\u52a8\u65f6\u95f4\u548c\u5f53\u524d\u65f6\u95f4\u5dee\u5927\u4e8e\u8be5\u503c\u65f6\uff0c\u5173\u95ed\u5f53\u524d\u8fde\u63a5(\u914d\u7f6e\u8fde\u63a5\u5728\u6c60\u4e2d\u7684\u6700\u5c0f\u751f\u5b58\u65f6\u95f4)\n      min-evictable-idle-time-millis: 30000\n      # \u7528\u6765\u68c0\u6d4b\u6570\u636e\u5e93\u8fde\u63a5\u662f\u5426\u6709\u6548\u7684sql \u5fc5\u987b\u662f\u4e00\u4e2a\u67e5\u8be2\u8bed\u53e5(oracle\u4e2d\u4e3a select 1 from dual)\n      validation-query: select 1\n      # \u7533\u8bf7\u8fde\u63a5\u65f6\u4f1a\u6267\u884cvalidationQuery\u68c0\u6d4b\u8fde\u63a5\u662f\u5426\u6709\u6548,\u5f00\u542f\u4f1a\u964d\u4f4e\u6027\u80fd,\u9ed8\u8ba4\u4e3atrue\n      test-on-borrow: false\n      # \u5f52\u8fd8\u8fde\u63a5\u65f6\u4f1a\u6267\u884cvalidationQuery\u68c0\u6d4b\u8fde\u63a5\u662f\u5426\u6709\u6548,\u5f00\u542f\u4f1a\u964d\u4f4e\u6027\u80fd,\u9ed8\u8ba4\u4e3atrue\n      test-on-return: false\n      # \u662f\u5426\u7f13\u5b58preparedStatement, \u4e5f\u5c31\u662fPSCache,PSCache\u5bf9\u652f\u6301\u6e38\u6807\u7684\u6570\u636e\u5e93\u6027\u80fd\u63d0\u5347\u5de8\u5927\uff0c\u6bd4\u5982\u8bf4oracle,\u5728mysql\u4e0b\u5efa\u8bae\u5173\u95ed\u3002\n      pool-prepared-statements: false\n      # \u8981\u542f\u7528PSCache\uff0c\u5fc5\u987b\u914d\u7f6e\u5927\u4e8e0\uff0c\u5f53\u5927\u4e8e0\u65f6\uff0cpoolPreparedStatements\u81ea\u52a8\u89e6\u53d1\u4fee\u6539\u4e3atrue\u3002\u5728Druid\u4e2d\uff0c\u4e0d\u4f1a\u5b58\u5728Oracle\u4e0bPSCache\u5360\u7528\u5185\u5b58\u8fc7\u591a\u7684\u95ee\u9898\uff0c\u53ef\u4ee5\u628a\u8fd9\u4e2a\u6570\u503c\u914d\u7f6e\u5927\u4e00\u4e9b\uff0c\u6bd4\u5982\u8bf4100\n      max-pool-prepared-statement-per-connection-size: -1\n      # \u5408\u5e76\u591a\u4e2aDruidDataSource\u7684\u76d1\u63a7\u6570\u636e\n      use-global-data-source-stat: true\n\nlogging:\n  level:\n    root: debug<\/code><\/pre>\n
5\u3001\u7f16\u5199controller<\/h2>\n
1\u3001\u7f16\u5199UserController.java\u6587\u4ef6<\/p>\n
2\u3001\u8fd9\u91cc\u5c31\u4e0d\u8d70\u4e09\u5c42\u67b6\u6784\u4e86<\/p>\n
3\u3001\u5b9e\u73b0<\/p>\n
package com.atguigu.controller;\n\nimport com.atguigu.pojo.Teacher;\nimport com.atguigu.pojo.User;\nimport org.springframework.beans.factory.annotation.Autowired;\nimport org.springframework.jdbc.core.BeanPropertyRowMapper;\nimport org.springframework.jdbc.core.JdbcTemplate;\nimport org.springframework.web.bind.annotation.GetMapping;\nimport org.springframework.web.bind.annotation.RequestMapping;\nimport org.springframework.web.bind.annotation.RestController;\n\nimport java.util.List;\n\n@RestController\n@RequestMapping("user")\npublic class UserController {\n    @Autowired\n    private JdbcTemplate jdbcTemplate;\n\n    @GetMapping("list")\n    public List<Teacher> query(){\n        \/\/ 1. \u5b9a\u4e49sql\n        String sql = "select * from teacher";\n        \/\/ 2. \u6267\u884csql\n        List<Teacher> userList = jdbcTemplate.query(sql, new BeanPropertyRowMapper<>(Teacher.class));\n        \/\/ 3. \u8fd4\u56de\u7ed3\u679c\n        return userList;\n    }\n}\n<\/code><\/pre>\n
6\u3001\u9047\u5230\u7684\u9519\u8bef<\/h2>\n
1\u3001Invalid bound statement (not found): com.atguigu.mapper.UserMapper.queryAll<\/h3>\n
\"image-20240121115653188\"<\/div><\/p>\n
1\u3001\u89e3\u51b3<\/h3>\n
\"image-20240121115702251\"<\/div><\/p>\n
1\u3001\u914d\u7f6exml\u6587\u4ef6\u5939\u6ca1\u5199\u5168\u3002\u5bfc\u81f4\u6620\u5c04\u4e0d\u5230\u8fd9\u4e2axml\u6587\u4ef6\u3002\u4ee5\u81f3\u4e8e\u627e\u4e0d\u5230queryAll()\u65b9\u6cd5<\/p>\n","protected":false},"excerpt":{"rendered":"
\u56db\u3001SpringBoot3\u6574\u5408Druid\u6570\u636e\u6e90 1\u3001\u6b65\u9aa4 1\u3001\u521b\u5efa\u7a0b\u5e8f 2\u3001\u5f15\u5165\u76f8\u5173\u4f9d\u8d56\u5230pom.xml 3\u3001 […]<\/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-5840","post","type-post","status-publish","format-standard","hentry","category-springboot"],"_links":{"self":[{"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/posts\/5840","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=5840"}],"version-history":[{"count":1,"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/posts\/5840\/revisions"}],"predecessor-version":[{"id":5841,"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/posts\/5840\/revisions\/5841"}],"wp:attachment":[{"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/media?parent=5840"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/categories?post=5840"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/zyg.luchers.cn\/index.php\/wp-json\/wp\/v2\/tags?post=5840"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}