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import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.*;
import com.mysql.jdbc.Connection;
import com.mysql.jdbc.Statement;
import java.sql.SQLException;

public class Test {
public void main(String []args)throws Exception  
{

Class.forName("com.mysql.jdbc.Driver");
Connection con= DriverManager.getConnection(("jdbc:mysql://127.0.0.1:3306/test", "root", "123");

Statement sm=con.createStatement();
ResultSet rs=sm.executeQuery("SELECT * from wangpan");
while(rs.next())
{
System.out.println("UserId:"+rs.getString(0));
System.out.println("UserName:"+rs.getString(1));
System.out.println();

}

}

}


Connection con= DriverManager.getConnection(("jdbc:mysql://127.0.0.1:3306/test", "root", "123");

Statement sm=con.createStatement();
ÕâÁ½¾ä×ÜÊDZ¨´í¡£¡£¡£¡£Ëµtype mismatch: cannot convert from Connection to Connection
È¥µôÕâ¸öimport com.mysql.jdbc.Connection;

Ò»¸öÊÇimport com.mysql.jdbc.Connection;
Ò»¸öÊÇjava.sql.Connection;


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