• java与mysql数据库连接测试


    package com.java;

    import java.sql.DriverManager;

    import com.mysql.jdbc.Connection;
    import com.mysql.jdbc.ResultSet;
    import com.mysql.jdbc.Statement;

    public class TestMySql{

    public static void main(String[] args){
    try {
    Class.forName("com.mysql.jdbc.Driver"); //加载MYSQL JDBC驱动程序
    //Class.forName("org.gjt.mm.mysql.Driver");
    System.out.println("Success loading Mysql Driver!");
    }
    catch (Exception e) {
    System.out.print("Error loading Mysql Driver!");
    e.printStackTrace();
    }
    try {
    Connection connect = (Connection) DriverManager.getConnection(
    "jdbc:mysql://localhost:3306/school","root","");
    //连接URL为 jdbc:mysql//服务器地址/数据库名 ,后面的2个参数分别是登陆用户名和密码

    System.out.println("Success connect Mysql server!");
    Statement stmt = (Statement) connect.createStatement();
    ResultSet rs = (ResultSet) stmt.executeQuery("select * from student");
    //user 为你表的名称
    while (rs.next()) {
    System.out.print(" "+rs.getString("sno"));
    System.out.print(" "+rs.getString("sname"));
    System.out.print(" "+rs.getString("sdept"));
    System.out.println(" "+rs.getString("sage"));


    }
    }
    catch (Exception e) {
    System.out.print("get data error!");
    e.printStackTrace();
    }
    }

    }

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  • 原文地址:https://www.cnblogs.com/new-comer/p/5024379.html
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