c3p0--jdbc基本操作源码

package text;

import java.beans.PropertyVetoException;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

import com.mchange.v2.c3p0.ComboPooledDataSource;

public class c3p0 {
	
	public static void main(String[] args) throws SQLException, PropertyVetoException {
		
		ComboPooledDataSource c3p0 = new ComboPooledDataSource();
		c3p0.setDriverClass("com.mysql.jdbc.Driver");
		c3p0.setJdbcUrl("jdbc:mysql://localhost:3306/jdbc?useSSL=false");
		Connection connection = c3p0.getConnection("root","root");
		//增 删 改 查
		//查询
		Statement sqlquery = connection.createStatement();
		String sql = "select * from users";
		ResultSet resultSet = sqlquery.executeQuery(sql);
		
		while(resultSet.next()) {
			
			String id = resultSet.getString("id");
			String name = resultSet.getString("name");
			String email = resultSet.getString("email");
			String password = resultSet.getString("password");
			System.out.println("id--"+id+"name--"+name+"email--"+email+"password--"+password);
		}
		
		
		//增 删 改 查
		/*  增
		Statement sqlquery = connection.createStatement();
		String sql = "insert into users values(1,'张三','[email protected]','zxzx')";
		int i = sqlquery.executeUpdate(sql);
		
		System.out.println("成功插入"+i+"条数据");
		*/
		
		/*   改
		 Statement sqlquery = connection.createStatement();
		 String sql = "update users set name=\"zxc\" where id=8";
		 int i = sqlquery.executeUpdate(sql);
		
		 System.out.println("成功修改"+i+"条数据");
		 */
		/*  查
		Statement sqlquery = connection.createStatement();
		String sql = "delete from users where id = 8";
		int i = sqlquery.executeUpdate(sql);
		
		System.out.println("成功删除"+i+"条数据");
		*/
		resultSet.close();
		sqlquery.close();
		connection.close();
		c3p0.close();
	}
	
}