package com.dao;
import java.util.*;
import java.util.Date;
import java.sql.*;
import com.domain.PostCheck;

public class PostCheckDaoImpl implements PostCheckDao {
    
    // 随机检索学生方法
//	public PostCheck findDyid(int Dyid) throws DaoException{
//		String sql="SELECT Dyid,Uid,Uname,Rtime,Content"+"FROM Dynamic WHERE id=?";
//		PostCheck postcheck = new PostCheck();
//		try(
//			Connection conn=getConnection();
//			PreparedStatement pstmt=conn.prepareStatement(sql)){
//			pstmt.setInt(1, Dyid);
//			try(ResultSet rst=pstmt.executeQuery()){
//				if(rst.next()) {
//					postcheck.setDyid(rst.getInt("Dyid"));
//					postcheck.setUid(rst.getString("Uid"));
//					postcheck.setUname(rst.getString("Uname"));
//					postcheck.setRtime(rst.getDate("Rtime"));
//					postcheck.setContent(rst.getString("Content"));
//				}
//			}
//		}catch(SQLException se) {
//			return null;
//		}
//		return postcheck;
//	}
    

	@Override
	public List<PostCheck> listPostCheck() throws SQLException {
		// TODO Auto-generated method stub
		PostCheck postcheck = new PostCheck();
		
		Connection conn = getConnection(); 
		List<PostCheck> list = new ArrayList<PostCheck>(); 
	  	String sql = "SELECT * FROM Dynamic"; 
	  	  try (
	  	  	PreparedStatement pstmt = conn.prepareStatement(sql);
	  	    ResultSet rs = pstmt.executeQuery()){
	  	    System.out.println(rs+"test1");
	  	   while(rs.next()){
//	  	       int Dyid = rs.getInt("Dyid");
//	  	       String Uid = rs.getString(2);
//	  	       String Uname = rs.getString(3);
//	  	       Date Rtime = rs.getDate(4);
//	  	       String Content = rs.getString(5);
//	  	       PostCheck s = new PostCheck();
//	  	       s.setDyid(Dyid);
//	  	       s.setUid(Uid);
//	  	       s.setUname(Uname);
//	  	       s.setRtime(Rtime);
//	  	       s.setContent(Content);
//	  	       System.out.println(list+"test2");//
//	  	       list.add(s);
	  		    postcheck.setDyid(rs.getInt("Dyid")); 
				postcheck.setUid(rs.getString("Uid"));
				postcheck.setUname(rs.getString("Uname"));
				postcheck.setRtime(rs.getDate("Rtime"));
				postcheck.setContent(rs.getString("Content"));
				list.add(postcheck);
	  	     }
	  	 System.out.println(list+"test2");
	  	     return list;
	  	     
	  	  }catch(SQLException e){
	  	   	System.out.println(e);
	  	   		return null;
	  	  }
	}
	@Override
	// 删除学生
	public int removePostCheck(int Dyid) throws SQLException {
		// TODO Auto-generated method stub
		Connection conn = getConnection();
	    	String sql = "DELETE FROM Dynamic WHERE Dyid=?";  
	      	try {
	      
	      	 	PreparedStatement pstmt = conn.prepareStatement(sql);
	      	    pstmt.setInt(1, Dyid);
	      	    return pstmt.executeUpdate();
	      	}catch(SQLException sqle){
	      	   	System.out.println(sqle);
	      	 	return 0;
	      	} 
	}
	
}