PHP realizes the addition, deletion, checking and modification function of the database and the complete code php example-PHP Tutorial-php.cn

PHP realizes the addition, deletion, checking and modification function of the database and the complete code php example

jacklove

Release： 2023-04-01 20:24:01

Original

2528 people have browsed it

This article mainly introduces the PHP implementation of database addition, deletion, query and modification functions and the complete code. Friends in need can refer to the following

This article uses: jquery, tp framework

TP_3.2.2/Application/Home/Controller/StuController.class.php

<?php 
/** 
 * Created by PhpStorm. 
 * User: root 
 * Date: 2018/4/17 
 * Time: 16:32 
 */ 
namespace Home\Controller; 
use Think\Controller; 
class StuController extends Controller 
{ 
 public function StuShow(){ 
  $this->display("school/stu"); 
 } 
 public function getdata(){ 
  $Studata = M(&#39;stu&#39;); 
  $data[&#39;id&#39;]=&#39;&#39;; 
  $data[&#39;name&#39;]=I(&#39;get.name&#39;); 
  $data[&#39;age&#39;]=I(&#39;get.age&#39;); 
  $data[&#39;num&#39;]=I(&#39;get.num&#39;); 
  $data[&#39;address&#39;]=I(&#39;get.add&#39;); 
  $Studata->add($data); 
  $this->success("正在。。。",U(&#39;Stu/showdata&#39;)); 
 } 
 public function showdata() 
 { 
  $Studata = M(&#39;stu&#39;); 
  $data=$Studata->select(); 
  $this->assign(&#39;info&#39;,$data); 
  $this->display(&#39;school/showdata&#39;); 
 } 
 public function del(){ 
  $id = I(&#39;get.id&#39;); 
  $Studata = M(&#39;stu&#39;); 
  $bool = $Studata->where([&#39;id&#39;=>$id])->delete(); 
  if($bool){ 
   echo 1; 
  }else{ 
   echo 0; 
  } 
 } 
 public function updata() 
 { 
  $id = I(&#39;get.id&#39;); 
  $Studata = M(&#39;stu&#39;); 
  $data = $Studata->where([&#39;id&#39;=>$id])->find(); 
  $this->assign(&#39;data&#39;,$data); 
  $this->display("school/upshowdata"); 
 } 
 public function updatadeal() 
 { 
  $Studata = M(&#39;stu&#39;); 
  $id = I(&#39;get.id&#39;); 
  $data[&#39;name&#39;]=I(&#39;get.name&#39;); 
  $data[&#39;age&#39;]=I(&#39;get.age&#39;); 
  $data[&#39;num&#39;]=I(&#39;get.num&#39;); 
  $data[&#39;address&#39;]=I(&#39;get.add&#39;); 
  $bool = $Studata->where([&#39;id&#39;=>$id])->save($data); 
  if($bool){ 
   $this->showdata(); 
  }else{ 
   echo 0; 
  } 
 } 
}

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TP_3.2.2/Application/Home/View/ school/showdata.html

<!DOCTYPE html> 
<html lang="en"> 
<head> 
 <meta charset="UTF-8"> 
 <title>数据展示界面</title> 
</head> 
<body id="content"> 
<center> 
 <h2>学生信息展示</h2> 
<table border="1"> 
 <th>编号</th> 
 <th>姓名</th> 
 <th>年龄</th> 
 <th>学号</th> 
 <th>籍贯</th> 
 <th>操作</th> 
 <th>操作</th> 
<foreach name="info" item="vo" > 
 <tr> 
  <td>{$vo[&#39;id&#39;]}</td> 
  <td>{$vo[&#39;name&#39;]}</td> 
  <td>{$vo[&#39;age&#39;]}</td> 
  <td>{$vo[&#39;num&#39;]}</td> 
  <td>{$vo[&#39;address&#39;]}</td> 
  <td><a href="javascript:void(0)" rel="external nofollow" rel="external nofollow" class="del" where="{$vo[&#39;id&#39;]}">删除</a></td> 
   <td><a href="javascript:void(0)" rel="external nofollow" rel="external nofollow" class="up" where="{$vo[&#39;id&#39;]}">修改</a></td> 
 </tr> 
</foreach> 
</table> 
</center> 
</body> 
</html> 
<script src="http://libs.baidu.com/jquery/2.1.4/jquery.min.js"></script> 
<script> 
 $(&#39;.del&#39;).click(function () { 
  var where = $(this).attr(&#39;where&#39;); 
  $.ajax({ 
   type: "get", 
   url: "{:U(&#39;Stu/del&#39;)}?id="+where, 
   success: function(msg){ 
    if(msg==1){ 
     alert(&#39;删除成功&#39;); 
     location.href(&#39;showdata&#39;); 
    }else { 
     alert(&#39;删除失败&#39;); 
    } 
   } 
  }); 
 }) 
 $(&#39;.up&#39;).click(function () { 
  var where = $(this).attr(&#39;where&#39;); 
  location.href(&#39;updata?id=&#39;+where); 
  // $.ajax({ 
  //  type: "get", 
  //  url: "{:U(&#39;Stu/updata&#39;)}?id="+where, 
  //  success: function(msg){ 
  //   $(&#39;#content&#39;).html(msg); 
  //  } 
  // }); 
 }) 
</script>

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TP_3.2.2/Application/Home/View/school/stu.html

<!doctype html> 
<html lang="en"> 
<head> 
 <meta charset="UTF-8"> 
 <meta name="viewport" 
   content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0"> 
 <meta http-equiv="X-UA-Compatible" content="ie=edge"> 
 <title> 学号注册查询系统 </title> 
</head> 
<body> 
<form action="{:U(&#39;Stu/getdata&#39;)}" method="get"> 
 <br> 
 名字: <input type="text" name="name"> 
 <br> 
 年龄: <input type="text" name="age"> 
 <br> 
 学号:<input type="text" name="num"> 
 <br> 
 籍贯:<input type="text" name="add"> 
 <br> 
 <input type="submit" value="提交"> 
 <br> 
</form> 
</body> 
</html>

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##TP_3.2.2/Application/Home/View/school/stu.html

<!doctype html> 
<html lang="en"> 
<head> 
 <meta charset="UTF-8"> 
 <meta name="viewport" 
   content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0"> 
 <meta http-equiv="X-UA-Compatible" content="ie=edge"> 
 <title> 学号注册查询系统 </title> 
</head> 
<body> 
<form action="{:U(&#39;Stu/updatadeal&#39;)}" method="get"> 
 <input type="hidden" value="{$data[&#39;id&#39;]}" name="id"> 
 <br> 
 名字: <input type="text" name="name" value="{$data[&#39;name&#39;]}"> 
 <br> 
 年龄: <input type="text" name="age" value="{$data[&#39;age&#39;]}"> 
 <br> 
 学号:<input type="text" name="num" value="{$data[&#39;num&#39;]}"> 
 <br> 
 籍贯:<input type="text" name="add" value="{$data[&#39;address&#39;]}"> 
 <br> 
 <input type="submit" value="提交"> 
 <br> 
</form> 
</body> 
</html>

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Execute and enter in the browser: http://127.0.0.1:90/TP_3.2.2/index.php/Home/Stu/stushow

Click to delete

Revise:

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