開始我進入mysql建表的時候一直報錯密碼不對什么的，我就使用的匿名登錄，沒有用密碼登陸進去了，但是寫JDBC程序的時候要連接mysql，程序報錯如下：（PS：應該怎么解決呢？急求?。。﹋ava.sql.SQLException: Access denied for user 'root'@'localhost' (using password: YES) at com.mysql.jdbc.SQLError.createSQLException(SQLError.java:964) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3970) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:3906) at com.mysql.jdbc.MysqlIO.checkErrorPacket(MysqlIO.java:873) at com.mysql.jdbc.MysqlIO.secureAuth411(MysqlIO.java:4417) at com.mysql.jdbc.MysqlIO.doHandshake(MysqlIO.java:1278) at com.mysql.jdbc.ConnectionImpl.coreConnect(ConnectionImpl.java:2253) at com.mysql.jdbc.ConnectionImpl.connectOneTryOnly(ConnectionImpl.java:2284) at com.mysql.jdbc.ConnectionImpl.createNewIO(ConnectionImpl.java:2083) at com.mysql.jdbc.ConnectionImpl.<init>(ConnectionImpl.java:806) at com.mysql.jdbc.JDBC4Connection.<init>(JDBC4Connection.java:47) at sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62) at sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45) at java.lang.reflect.Constructor.newInstance(Constructor.java:408) at com.mysql.jdbc.Util.handleNewInstance(Util.java:425) at com.mysql.jdbc.ConnectionImpl.getInstance(ConnectionImpl.java:410) at com.mysql.jdbc.NonRegisteringDriver.connect(NonRegisteringDriver.java:328) at java.sql.DriverManager.getConnection(DriverManager.java:664) at java.sql.DriverManager.getConnection(DriverManager.java:247) at TestJDBC.main(TestJDBC.java:16)源程序如下：import java.sql.Connection;import java.sql.DriverManager;import java.sql.ResultSet;import java.sql.SQLException;import java.sql.Statement;public class TestJDBC {? ? public static void main(String[] args){? ? ? ? ResultSet rs=null;? ? Statement stmt=null;? ? Connection conn=null;? ? try{? ? Class.forName("com.mysql.jdbc.Driver");? ? conn=DriverManager.getConnection("jdbc:mysql://localhost:3306/yuangong","root","root");? ? stmt=conn.createStatement();? ? rs=stmt.executeQuery("select* from yuangongbiao");? ? while(rs.next()){? ? System.out.print(rs.getInt("employee_id"));? ? System.out.print(rs.getInt("name"));? ? System.out.print(rs.getInt("email"));? ? System.out.print(rs.getInt("salary"));? ? System.out.print(rs.getInt("birthday"));? ? }? ? }catch(ClassNotFoundException e){? ? e.printStackTrace();? ? ? ? }catch(SQLException e){? ? e.printStackTrace();? ? }finally{? ? try{? ? if(rs!=null){? ? rs.close();? ? rs=null;? ? }? ? if(stmt!=null){? ? stmt.close();? ? stmt=null;? ? }? ? }catch(SQLException e){? ? ? ? e.printStackTrace();? ? }? ? }? ? ? ? }}