spring-dbcp Demo

<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>com.rimi</groupId>
  <artifactId>SpringDBCP</artifactId>
  <packaging>war</packaging>
  <version>0.0.1-SNAPSHOT</version>
  <name>SpringDBCP Maven Webapp</name>
  <url>http://maven.apache.org</url>
  <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>4.3.9.RELEASE</version>
    </dependency>
    
    <dependency>
        <groupId>org.springframework</groupId>
        <artifactId>spring-jdbc</artifactId>
        <version>4.3.9.RELEASE</version>
    </dependency>
    
    <dependency>
        <groupId>commons-dbcp</groupId>
        <artifactId>commons-dbcp</artifactId>
        <version>1.4</version>
    </dependency>
    
    <dependency>
        <groupId>mysql</groupId>
        <artifactId>mysql-connector-java</artifactId>
        <version>5.1.38</version>
    </dependency>
    
  </dependencies>
  <build>
    <finalName>SpringDBCP</finalName>
  </build>
</project>

<?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:context="http://www.springframework.org/schema/context"
    xmlns:jdbc="http://www.springframework.org/schema/jdbc"
    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-4.3.xsd
        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-4.3.xsd
        http://www.springframework.org/schema/jdbc http://www.springframework.org/schema/jdbc/spring-jdbc-4.3.xsd">
    
    <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource">
       <property name="driverClassName" value="com.mysql.jdbc.Driver"></property>
       <property name="url" value="jdbc:mysql://127.0.0.1:3306/j1702?useSSL=false"></property>
       <property name="username" value="root"></property>
       <property name="password" value="123456"></property>
        <property name="initialSize" value="10"></property>
       <property name="maxActive" value="100"></property>
       <property name="minIdle" value="10"></property>
       <property name="maxIdle" value="50"></property>
       <property name="defaultAutoCommit" value="false"></property>
       <property name="maxWait" value="1000"></property>
       <property name="timeBetweenEvictionRunsMillis" value="3600000"></property>
       <property name="minEvictableIdleTimeMillis" value="3600000"></property>
   </bean>

</beans>

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

import org.apache.commons.dbcp.BasicDataSource;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import com.sun.jndi.ldap.Connection;

public class App {

    public static void main(String[] args) {
    
        ApplicationContext ac=new ClassPathXmlApplicationContext("classpath:ApplicationConnext.xml");
        BasicDataSource ds=(BasicDataSource) ac.getBean("dataSource");
        java.sql.Connection conn = null;
        String sql="select * from user where name='admin'";
        PreparedStatement ps = null;
        ResultSet rSet=null;
        try {
            conn = ds.getConnection();
            ps =conn.prepareStatement(sql);
            rSet=ps.executeQuery();
            while(rSet.next()){
                System.out.println("name:"+rSet.getString("name"));
            }
        } catch (SQLException e) {
            e.printStackTrace();
        }
    }

}