Spring JDBC

华科易迅2026-03-28 17:59

Spring JDBC

Spring JDBC封装所有的JDBC API,使用Spring JDBC可以屏蔽JDBC API单调乏味的、底层细节处理工作。

POM.xml

xml 复制代码 
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>

  <groupId>com.hk.eshop</groupId>
  <artifactId>SpringOne</artifactId>
  <version>1.0-SNAPSHOT</version>
  <packaging>jar</packaging>

  <name>SpringOne</name>
  <url>http://maven.apache.org</url>

  <properties>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
  </properties>

  <dependencies>
    <dependency>
      <groupId>junit</groupId>
      <artifactId>junit</artifactId>
      <version>3.8.1</version>
      <scope>test</scope>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-context</artifactId>
      <version>3.2.18.RELEASE</version>
      <scope>compile</scope>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-aspects</artifactId>
      <version>3.2.18.RELEASE</version>
    </dependency>
    <dependency>
      <groupId>cglib</groupId>
      <artifactId>cglib-full</artifactId>
      <version>2.0.2</version>
    </dependency>
    <dependency>
      <groupId>aspectj</groupId>
      <artifactId>aspectj-tools</artifactId>
      <version>1.0.6</version>
    </dependency>
    <dependency>
      <groupId>commons-dbcp</groupId>
      <artifactId>commons-dbcp</artifactId>
      <version>1.4</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-tx</artifactId>
      <version>3.2.18.RELEASE</version>
    </dependency>
    <dependency>
      <groupId>org.springframework</groupId>
      <artifactId>spring-jdbc</artifactId>
      <version>3.2.18.RELEASE</version>
    </dependency>
    <dependency>
      <groupId>mysql</groupId>
      <artifactId>mysql-connector-java</artifactId>
      <version>5.1.18</version>
    </dependency>
  </dependencies>
</project>

beans.xml

xml 复制代码 
<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:p="http://www.springframework.org/schema/p"
       xmlns:aop="http://www.springframework.org/schema/aop"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
	http://www.springframework.org/schema/beans/spring-beans.xsd
	http://www.springframework.org/schema/context
	http://www.springframework.org/schema/context/spring-context-3.0.xsd
	http://www.springframework.org/schema/aop
	http://www.springframework.org/schema/aop/spring-aop-3.0.xsd">

    <context:component-scan base-package="com.hk.eshop"/>
    <!--配置DBCP数据库连接池-->
    <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
        <property name="driverClassName" value="com.mysql.jdbc.Driver"/>
        <property name="url" value="jdbc:mysql://localhost:3306/test01?useUnicode=true&amp;characterEncoding=utf8"/>
        <property name="username" value="root"/>
        <property name="password" value="root"/>

        <!--连接池中初始化连接数量-->
        <property name="initialSize" value="1"/>
        <!--连接池中连接数量最大值-->
        <property name="maxActive" value="500"/>
        <!--连接池中连接最大空闲连接数-->
        <property name="maxIdle" value="2"/>
        <!--连接池中连接最小空闲连接数-->
        <property name="minIdle" value="1"/>
    </bean>
    <bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
        <property name="dataSource" ref="dataSource"/>
    </bean>
    <bean id="userMng" class="com.hk.eshop.jdbc.UserMng">
        <property name="jdbcTemplate" ref="jdbcTemplate"/>
    </bean>

    <aop:aspectj-autoproxy/>
</beans>







建表SQL

create table spring_user (

id varchar(100),

name varchar(100),

pwd varchar(100),

email varchar(100)

)


代码片段

java 复制代码 
package com.hk.eshop.jdbc;

import java.util.List;

public interface IUserMng {
    public void saveUser(UserInfo ui);
    public void updateUser(UserInfo ui);
    public void deleteById(String id);
    public UserInfo getUser(String id);
    public List<UserInfo> find();
}


package com.hk.eshop.jdbc;

public class UserInfo {
    private String id = null;
    private String name = null;
    private String pwd = null;
    private String email = null;
    public String getId() {
        return id;
    }
    public void setId(String id) {
        this.id = id;
    }
    public String getName() {
        return name;
    }
    public void setName(String name) {
        this.name = name;
    }
    public String getPwd() {
        return pwd;
    }
    public void setPwd(String pwd) {
        this.pwd = pwd;
    }
    public String getEmail() {
        return email;
    }
    public void setEmail(String email) {
        this.email = email;
    }
}



package com.hk.eshop.jdbc;

import org.springframework.jdbc.core.JdbcTemplate;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.List;

import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.core.RowMapper;

public class UserMng implements IUserMng{
    private JdbcTemplate jdbcTemplate;

    public JdbcTemplate getJdbcTemplate() {
        return jdbcTemplate;
    }
    public void setJdbcTemplate(JdbcTemplate jdbcTemplate) {
        this.jdbcTemplate = jdbcTemplate;
    }
    public void saveUser(UserInfo ui)
    {
        String sql = "insert into spring_user(id,name,pwd,email) values (?,?,?,?)";
        Object [] args = {ui.getId(),ui.getName(),ui.getPwd(),ui.getEmail()};
        int [] argTypes = {java.sql.Types.VARCHAR,java.sql.Types.VARCHAR,
                java.sql.Types.VARCHAR,java.sql.Types.VARCHAR};
        jdbcTemplate.update(sql, args,argTypes);

    }
    public void updateUser(UserInfo ui)
    {
        String sql = "update spring_user set name=?,pwd=?,email=? where id=?";
        Object [] args = {ui.getName(),ui.getPwd(),ui.getEmail(),ui.getId()};
        jdbcTemplate.update(sql, args);

    }
    public void deleteById(String id)
    {
        String sql = "delete from spring_user where id=?";
        Object [] args = {id};
        jdbcTemplate.update(sql, args);

    }
    public UserInfo getUser(String id)
    {
        String sql = "select id,name,pwd,email from spring_user where id=?";
        Object [] args = {id};
        RowMapper<UserInfo> rowMapper = new RowMapper<UserInfo>() {
            public UserInfo mapRow(ResultSet rs, int rowNum) throws SQLException {
                UserInfo ui = new UserInfo();
                ui.setId(rs.getString("id"));
                ui.setName(rs.getString("name"));
                ui.setPwd(rs.getString("pwd"));
                ui.setEmail(rs.getString("email"));
                return ui;
            }
        };
        UserInfo ui = jdbcTemplate.queryForObject(sql, args, rowMapper);
        return ui;
    }
    public List<UserInfo> find()
    {
        String sql = "select id,name,pwd,email from spring_user";
        RowMapper<UserInfo> rowMapper = new RowMapper<UserInfo>() {
            public UserInfo mapRow(ResultSet rs, int rowNum) throws SQLException {
                UserInfo ui = new UserInfo();
                ui.setId(rs.getString("id"));
                ui.setName(rs.getString("name"));
                ui.setPwd(rs.getString("pwd"));
                ui.setEmail(rs.getString("email"));
                return ui;
            }
        };
        List<UserInfo> list = jdbcTemplate.query(sql, rowMapper);
        return list;
    }
}




package com.hk.eshop.jdbc;


import java.util.List;

import javax.sql.DataSource;

import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

public class Main {
    public static void main(String[] args) throws Exception
    {
        //UserInfo ui = new UserInfo();
        ApplicationContext ac = new ClassPathXmlApplicationContext("beans.xml");
        UserMng um = (UserMng)ac.getBean("userMng");
        UserInfo ui = new UserInfo();
        ui.setId("0");
        ui.setName("java");
        ui.setPwd("pwd");
        ui.setEmail("java@test.com");
        um.saveUser(ui);
        System.out.println("saveUser############ ui.id="+ui.getId()+",ui.name="+ui.getName());

        UserInfo ui2 = um.getUser("0");
        System.out.println("getUser############ ui2.id="+ui2.getId()+",ui2.name="+ui2.getName());

        List<UserInfo> lst = um.find();
        System.out.println("find############ lst.size()="+lst.size());

        um.deleteById("0");
        System.out.println("deleteById############");

        List<UserInfo> lst2 = um.find();
        System.out.println("find############ lst2.size()="+lst2.size());

    }
}



<beans xmlns="http://www.springframework.org/schema/beans"
       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:context="http://www.springframework.org/schema/context"
       xmlns:p="http://www.springframework.org/schema/p"
       xmlns:aop="http://www.springframework.org/schema/aop"
       xsi:schemaLocation="http://www.springframework.org/schema/beans
	http://www.springframework.org/schema/beans/spring-beans.xsd
	http://www.springframework.org/schema/context
	http://www.springframework.org/schema/context/spring-context-3.0.xsd
	http://www.springframework.org/schema/aop
	http://www.springframework.org/schema/aop/spring-aop-3.0.xsd">

    <context:component-scan base-package="com.hk.eshop"/>
    <!--配置DBCP数据库连接池-->
    <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
        <property name="driverClassName" value="com.mysql.jdbc.Driver"/>
        <property name="url" value="jdbc:mysql://localhost:3306/test01?useUnicode=true&amp;characterEncoding=utf8"/>
        <property name="username" value="root"/>
        <property name="password" value="root"/>

        <!--连接池中初始化连接数量-->
        <property name="initialSize" value="1"/>
        <!--连接池中连接数量最大值-->
        <property name="maxActive" value="500"/>
        <!--连接池中连接最大空闲连接数-->
        <property name="maxIdle" value="2"/>
        <!--连接池中连接最小空闲连接数-->
        <property name="minIdle" value="1"/>
    </bean>
    <bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
        <property name="dataSource" ref="dataSource"/>
    </bean>
    <bean id="userMng" class="com.hk.eshop.jdbc.UserMng">
        <property name="jdbcTemplate" ref="jdbcTemplate"/>
    </bean>

    <aop:aspectj-autoproxy/>
</beans>
相关推荐
云烟成雨TD2 小时前
Spring AI 1.x 系列【17】函数型工具开发与使用
java·人工智能·spring
小村儿2 小时前
一起吃透 Claude Code，告别 AI 编程迷茫
前端·后端·ai编程
程序员大飞哥2 小时前
云控SLA的数学：250ms端到端延迟预算怎么分配给传输层
后端
云烟成雨TD2 小时前
Spring AI 1.x 系列【15】AI Agent 基石：Tool Calling 标准与 Spring AI 集成
java·人工智能·spring
咸鱼2.02 小时前
【java入门到放弃】杂记
java·开发语言
舒一笑2 小时前
客户现场没有外网，Docker 服务怎么部署？
运维·后端·自动化运维
小谢小哥2 小时前
01-Java语言核心-语法特性-泛型机制详解
后端
猫咪老师2 小时前
Day4 Python的函数和参数机制
后端·python
亦暖筑序2 小时前
《Spring AI 实战系列 入门篇》第 3 篇
java
热门推荐
012026年3月AI领域大事件：DeepSeek引领开源风暴02GitHub 镜像站点03围棋-html版本04小黑课堂计算机二级WPSoffice题库软件下载安装教程（2026年3月最新版）05班级宠物园部署指南06【计算机一级WPSoffice】小黑课堂题库软件下载安装教程（2026年3月最新版）07UV安装并设置国内源08Qwen3.5 开源全解析：从 0.8B 到 397B，代际升级 + 全场景选型指南09OpenClaw 使用和管理 MCP 完全指南10中国象棋-html版本