eclipse中spring访问mysql的简易实现

eclipse中构建一个maven基础上的带有TestNG测试插件的spring项目
目录结构如下所示：

这个简易的实现，包括四个文件
1.java源码（访问数据库代码）
2.测试源码（TestNG测试插件的代码）
3.spring配置文件（让spring起作用）
4.pom配置文件（基于maven构建项目）

下面罗列一下四个文件的代码：

1.java源码

package com.infotech.access.dao;

import java.sql.ResultSet;
import java.sql.SQLException;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.core.RowCallbackHandler;
import org.springframework.stereotype.Repository;

import com.infotech.access.domain.CheckedList;

@Repository
public class CheckedlistDao {
    
    private JdbcTemplate jdbcTemplate;

    @Autowired
    public void setJdbcTemplate(JdbcTemplate jdbcTemplate) {
        this.jdbcTemplate = jdbcTemplate;
    }
    
    /**
     * @param skostl
     * @return
     */
    public String getData(String smname) {
        
        final String sr =null;
        
        jdbcTemplate.query("select * from ruku_log where SN =?", new Object[] { smname }, new RowCallbackHandler() {

            public void processRow(ResultSet rs) throws SQLException {
              String sr2 = rs.getString("logcode");
            }
            
        });
        
        return sr;
    }
    

    public static void main(String[] args) {
        // TODO Auto-generated method stub

    }

}

2.测试源码

package com.infotech.access.dao;

import java.util.Date;
import org.springframework.test.context.testng.AbstractTransactionalTestNGSpringContextTests;
import org.testng.annotations.*;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;

import com.infotech.access.domain.CheckedList;
import static org.testng.Assert.*;

@ContextConfiguration("classpath*:/ruku-context.xml")
public class CheckedlistDaoTest extends AbstractTransactionalTestNGSpringContextTests{
    
    private CheckedlistDao cld;
    
    @Autowired
    public void setCheckedlistDao(CheckedlistDao cldlocal){
        this.cld = cldlocal;
    }

    @Test
    public void testAcess() {
        
        String sb1 = this.cld.getData("1");
        System.out.println(sb1);
        
    }
    
}

3.spring配置文件

<?xml version="1.0" encoding="UTF-8"?>  
<beans xmlns="http://www.springframework.org/schema/beans"  
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  xmlns:p="http://www.springframework.org/schema/p"
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:aop="http://www.springframework.org/schema/aop" xmlns:tx="http://www.springframework.org/schema/tx"
    xsi:schemaLocation="http://www.springframework.org/schema/beans
        classpath:/org/springframework/beans/factory/xml/spring-beans-4.0.xsd     
        http://www.springframework.org/schema/context
        classpath:/org/springframework/context/config/spring-context-4.0.xsd
        http://www.springframework.org/schema/aop
        http://www.springframework.org/schema/aop/spring-aop-4.0.xsd
        http://www.springframework.org/schema/tx
        http://www.springframework.org/schema/tx/spring-tx-4.0.xsd">     
        
    <!-- 扫描类包，将标注Spring注解的类自动转化Bean，同时完成Bean的注入 -->
    <context:component-scan base-package="com.infotech.access.dao"/>
        
    <!-- 配置ucanaccess数据源 -->
    <bean id="dsmysql" class="org.apache.commons.dbcp.BasicDataSource"
        destroy-method="close" 
        p:driverClassName="com.mysql.cj.jdbc.Driver"
        p:url="jdbc:mysql://localhost:6062/ruku_v1?serverTimezone=GMT"
        p:username="root"
        p:password="password" />
        
    <!-- 配置事务管理器 -->
    <bean id="transactionManager"
        class="org.springframework.jdbc.datasource.DataSourceTransactionManager"
        p:dataSource-ref="dsmysql" />
    
    <!-- 配置JdbcTemplate  -->
    <bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate"
        p:dataSource-ref="dsmysql" />

</beans>  

4.maven配置文件

<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/maven-v4_0_0.xsd">

    <modelVersion>4.0.0</modelVersion>
    <groupId>infotech.com</groupId>
    <artifactId>ruku</artifactId>
    <packaging>war</packaging>
    
    <version>0.0.1-SNAPSHOT</version>
    <name>ruku Maven Webapp</name>
    <url>http://maven.apache.org</url>

    <dependencies>
        <dependency>
            <groupId>junit</groupId>
            <artifactId>junit</artifactId>
            <version>4.12</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-context</artifactId>
            <version>4.3.11.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>net.sf.ucanaccess</groupId>
            <artifactId>ucanaccess</artifactId>
            <version>4.0.1</version>
        </dependency>
        <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-jdbc</artifactId>
            <version>4.3.11.RELEASE</version>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>8.0.7-dmr</version>
        </dependency>
        <dependency>
            <groupId>org.testng</groupId>
            <artifactId>testng</artifactId>
            <version>6.8</version>
            <scope>test</scope>
        </dependency>
        
          <dependency>
            <groupId>org.springframework</groupId>
            <artifactId>spring-test</artifactId>
            <version>4.3.11.RELEASE</version>
            <scope>test</scope>
        </dependency> 
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-core</artifactId>
             <version>4.3.11.RELEASE</version>
         </dependency>
         <dependency>
             <groupId>commons-dbcp</groupId>
             <artifactId>commons-dbcp</artifactId>
             <version>1.4</version>
         </dependency>
         <dependency>
             <groupId>org.springframework</groupId>
             <artifactId>spring-beans</artifactId>
             <version>4.3.11.RELEASE</version>
         </dependency>
    </dependencies>
    
    <build>
        <finalName>ruku</finalName>
    </build>
</project>

上述几个文件的逻辑关系如下图：

上述spring配置文件中负责数据库连接的部分，url中使用的localhost而不是ip地址。如果你全新安装了mysql那么默认情况下是无法使用ip地址进行远程访问或者甚至本地访问的。

需要给mysql开通远程访问的权限。