Maison > Article > développement back-end > PHP implémente l'ajout, la suppression, la requête et la modification de bases de données
Cet article présente principalement l'ajout, la suppression, la vérification et la modification de la base de données en PHP. Il a une certaine valeur de référence. Maintenant, je le partage avec tout le monde. Les amis dans le besoin peuvent s'y référer
<?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('stu'); $data['id']=''; $data['name']=I('get.name'); $data['age']=I('get.age'); $data['num']=I('get.num'); $data['address']=I('get.add'); $Studata->add($data); $this->success("正在。。。",U('Stu/showdata')); } public function showdata() { $Studata = M('stu'); $data=$Studata->select(); $this->assign('info',$data); $this->display('school/showdata'); } public function del(){ $id = I('get.id'); $Studata = M('stu'); $bool = $Studata->where(['id'=>$id])->delete(); if($bool){ echo 1; }else{ echo 0; } } public function updata() { $id = I('get.id'); $Studata = M('stu'); $data = $Studata->where(['id'=>$id])->find(); $this->assign('data',$data);//传递数据到前端页面 $this->display("school/upshowdata"); } public function updatadeal() { $Studata = M('stu'); $id = I('get.id'); $data['name']=I('get.name'); $data['age']=I('get.age'); $data['num']=I('get.num'); $data['address']=I('get.add'); $bool = $Studata->where(['id'=>$id])->save($data); if($bool){ $this->showdata(); }else{ echo 0; } } }
TP_3.2.2/Application/Home/View/school/showdata.html
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>数据展示界面</title> </head> <body id="content"> <center> <h2>学生信息展示</h2> <table border="1"> <th>编号</th> <th>姓名</th> <th>年龄</th> <th>学号</th> <th>籍贯</th> <th>操作</th> <th>操作</th> <foreach name="info" item="vo" > <tr> <td>{$vo['id']}</td> <td>{$vo['name']}</td> <td>{$vo['age']}</td> <td>{$vo['num']}</td> <td>{$vo['address']}</td> <td><a href="javascript:void(0)" class="del" where="{$vo['id']}">删除</a></td> <td><a href="javascript:void(0)" class="up" where="{$vo['id']}">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> $('.del').click(function () { var where = $(this).attr('where'); $.ajax({ type: "get", url: "{:U('Stu/del')}?id="+where, success: function(msg){ if(msg==1){ alert('删除成功'); location.href('showdata'); }else { alert('删除失败'); } } }); }) $('.up').click(function () { var where = $(this).attr('where'); location.href('updata?id='+where); // $.ajax({ // type: "get", // url: "{:U('Stu/updata')}?id="+where, // success: function(msg){ // $('#content').html(msg); // } // }); }) </script>
TP_3.2.2/Application/Home/View/school/stu.html
<!doctype html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0"> <meta http-equiv="X-UA-Compatible" content="ie=edge"> <title> 学号注册查询系统 </title> </head> <body> <form action="{:U('Stu/getdata')}" method="get"> <br> 名字: <input type="text" name="name"> <br> 年龄: <input type="text" name="age"> <br> 学号:<input type="text" name="num"> <br> 籍贯:<input type="text" name="add"> <br> <input type="submit" value="提交"> <br> </form> </body> </html>
TP_3.2.2/Application/Home/View/school/stu.html
<!doctype html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0"> <meta http-equiv="X-UA-Compatible" content="ie=edge"> <title> 学号注册查询系统 </title> </head> <body> <form action="{:U('Stu/updatadeal')}" method="get"> <input type="hidden" value="{$data['id']}" name="id"> <br> 名字: <input type="text" name="name" value="{$data['name']}"> <br> 年龄: <input type="text" name="age" value="{$data['age']}"> <br> 学号:<input type="text" name="num" value="{$data['num']}"> <br> 籍贯:<input type="text" name="add" value="{$data['address']}"> <br> <input type="submit" value="提交"> <br> </form> </body> </html>Pour exécuter, saisissez dans le navigateur : http://127.0.0.1:90/TP_3.2.2/index.php/Home/Stu/stushowRemarque : le port est généralement 80, car j'ai modifié le fichier de configuration. Il fait 90
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