影色
2016-05-01 12:10
package com; import java.sql.Statement; import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; public class QuerTest { public static void main(String[] args) throws Exception { //连接数据库的url String url = "jdbc:mysql://127.0.0.1:5653/wuzydb"; //数据库用户名 String user = "root"; //数据库密码 String password = "1111"; //1、加载驱动 Class.forName("com.mysql.jdbc.Driver"); //2、创建数据库连接对象 Connection conn = DriverManager.getConnection(url, user, password); //3、创建Statement对象 Statement stmt = conn.createStatement(); //4、获取ResultSet String sql = "select name,salary,age from t_emp"; ResultSet rs = stmt.executeQuery(sql); while (rs.next()) { //获取字段name数据 String name = rs.getString("name"); //获取字段salary double salary = rs.getDouble("salary"); //获取age数据 int age = rs.getInt("age"); System.out.println(name+ "," +salary+ "," +age); } //5、关闭数据库 rs.next(); stmt.close(); conn.close(); } }
你有在项目中添加mysql驱动的jar包吗?
JDBC之 “ 对岸的女孩看过来”
99329 学习 · 856 问题
相似问题