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96 lines
2.9 KiB
96 lines
2.9 KiB
package com.dao;
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import java.util.*;
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import java.util.Date;
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import java.sql.*;
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import com.domain.PostCheck;
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public class PostCheckDaoImpl implements PostCheckDao {
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// 随机检索学生方法
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// public PostCheck findDyid(int Dyid) throws DaoException{
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// String sql="SELECT Dyid,Uid,Uname,Rtime,Content"+"FROM Dynamic WHERE id=?";
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// PostCheck postcheck = new PostCheck();
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// try(
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// Connection conn=getConnection();
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// PreparedStatement pstmt=conn.prepareStatement(sql)){
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// pstmt.setInt(1, Dyid);
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// try(ResultSet rst=pstmt.executeQuery()){
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// if(rst.next()) {
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// postcheck.setDyid(rst.getInt("Dyid"));
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// postcheck.setUid(rst.getString("Uid"));
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// postcheck.setUname(rst.getString("Uname"));
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// postcheck.setRtime(rst.getDate("Rtime"));
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// postcheck.setContent(rst.getString("Content"));
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// }
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// }
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// }catch(SQLException se) {
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// return null;
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// }
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// return postcheck;
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// }
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@Override
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public List<PostCheck> listPostCheck() throws SQLException {
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// TODO Auto-generated method stub
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PostCheck postcheck = new PostCheck();
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Connection conn = getConnection();
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List<PostCheck> list = new ArrayList<PostCheck>();
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String sql = "SELECT * FROM Dynamic";
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try (
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PreparedStatement pstmt = conn.prepareStatement(sql);
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ResultSet rs = pstmt.executeQuery()){
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System.out.println(rs+"test1");
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while(rs.next()){
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// int Dyid = rs.getInt("Dyid");
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// String Uid = rs.getString(2);
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// String Uname = rs.getString(3);
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// Date Rtime = rs.getDate(4);
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// String Content = rs.getString(5);
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// PostCheck s = new PostCheck();
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// s.setDyid(Dyid);
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// s.setUid(Uid);
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// s.setUname(Uname);
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// s.setRtime(Rtime);
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// s.setContent(Content);
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// System.out.println(list+"test2");//
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// list.add(s);
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postcheck.setDyid(rs.getInt("Dyid"));
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postcheck.setUid(rs.getString("Uid"));
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postcheck.setUname(rs.getString("Uname"));
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postcheck.setRtime(rs.getDate("Rtime"));
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postcheck.setContent(rs.getString("Content"));
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list.add(postcheck);
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}
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System.out.println(list+"test2");
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return list;
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}catch(SQLException e){
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System.out.println(e);
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return null;
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}
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}
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@Override
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// 删除学生
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public int removePostCheck(int Dyid) throws SQLException {
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// TODO Auto-generated method stub
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Connection conn = getConnection();
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String sql = "DELETE FROM Dynamic WHERE Dyid=?";
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try {
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PreparedStatement pstmt = conn.prepareStatement(sql);
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pstmt.setInt(1, Dyid);
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return pstmt.executeUpdate();
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}catch(SQLException sqle){
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System.out.println(sqle);
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return 0;
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}
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}
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}
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