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PHP實現資料庫的增刪查改

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這篇文章主要介紹了PHP實現資料庫的增刪查改 ，有著一定的參考價值，現在分享給大家，有需要的朋友可以參考一下


本文用到：jquery、tp架構

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('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);//傳遞資料到前端頁面        $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>資料展示介面</title></head><body id="content"><center>    <h2>學生資訊展示</h2><table border="1">    <th>編號</th>    <th>姓名</th>    <th>年齡</th>    <th>學號</th>    <th>籍貫</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']}">刪除</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('刪除成功');                    location.href('showdata');                }else {                    alert('刪除失敗');                }            }        });    })    $('.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> 學號註冊查詢系統 </title></head><body><form action="{:U('Stu/getdata')}" method="get">    <br>    名字: <input type="text" name="name">    <br>    年齡: <input type="text" name="age">    <br>    學號:<input type="text" name="num">    <br>    籍貫:<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> 學號註冊查詢系統 </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>    年齡: <input type="text" name="age" value="{$data['age']}">    <br>    學號:<input type="text" name="num" value="{$data['num']}">    <br>    籍貫:<input type="text" name="add" value="{$data['address']}">    <br>    <input type="submit" value="提交">    <br></form></body></html>

執行在瀏覽器裡面輸入：http://127.0.0.1:90/TP_3.2.2/index.php/Home/Stu/stushow

注意：連接埠一般是80，由於我修改過設定檔所以是90





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修改：


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