Question

myeclipse已经和mysql连接成功了，但是为什么运行java文件，还是报错啊

package com.imooc.db;import java.sql.Connection;import java.sql.DriverManager;import java.sql.ResultSet;import java.sql.SQLException;import java.sql.Statement;public class DBUtil { private static final String URL="jdbc:mysql://127.0.0.1:3306/imooc"; private static final String USER="root"; private static final String PASSWORD="root"; public static void main(String[] args) throws Exception{ try{ //1.加载驱动程序 Class.forName("com.mysql.jdbc.Driver"); //2.获得数据库的连接 Connection conn=DriverManager.getConnection(URL, USER, PASSWORD); //3.通过数据库的连接操作数据库，实现增删改查 Statement stmt=conn.createStatement(); ResultSet rs=stmt.executeQuery("select user_name,age from imooc_goddness"); while(rs.next()){ System.out.println(rs.getString("user_name")+","+rs.getInt("age")); } } catch(ClassNotFoundException e){ e.printStackTrace(); }catch(SQLException e){ e.printStackTrace(); } }}报错的内容如下：java.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:1055) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:956) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3515) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3447) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:911)然后等等...

Answer 1

这个用户名密码有问题，可能错了。换一个试试，代码和错误信息最好完成截图下来

Answer 2

MYSQL的登录不对

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