摘要：
package com.abc.dao;import java.sql.Connection;import java.sql.PreparedStatement;import java.sql.ResultSet;import java.sql.SQLException;import java.util.ArrayList;import java.util.List;import com.abc.entity.Student;import com.abc.entity.Users;public class UsersDao extends BaseDao {public Users findB 阅读全文
摘要：
package com.abc.dao;import java.sql.Connection;import java.sql.DriverManager;import java.sql.ResultSet;import java.sql.SQLException;import java.sql.Statement;public class BaseDao {public Connection getConn(){Connection conn=null;try {Class.forName("com.mysql.jdbc.Driver");} catch (ClassNot 阅读全文