php登录注册页面及加载

 1 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 2 <html xmlns="http://www.w3.org/1999/xhtml">
 3 <head>
 4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
 5 <title>无标题文档</title>
 6 </head>
 7 
 8 <body>
 9 <h1>水果信息表</h1>
10 <table width="100%" border="1" cellpadding="0" cellpadding="0">
11             <tr>
12             <td>代号</td>
13         <td>名称</td>
14         <td>价格</td>
15         <td>产地</td>
16         <td>库存</td>
17         
18             </tr>
19 
20 <?php
21 //1.造链接对象
22 $db = new MySQLi("localhost","root","511108","text");
23 //2.写SQL语句
24 $sql = "select*from fruit";
25 //3.执行
26 $result = $db->query($sql);
27 //4.读取数据
28 $attr = $result->fetch_all();
29 foreach($attr as $v)
30 {
31     echo"<tr><td>{$v[0]}</td><td>{$v[1]}</td><td>{$v[2]}</td><td>{$v[3]}</td><td>{$v[4]}</td></tr>";
32 }
39 
40 ?>
45 下图1是调取本地数据库表的全部信息
图1
 1 删除一条数据并且点击删除的时候有提示是否删除,删除加个点击事件,先执行,点击提示
 2 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
 3 <html xmlns="http://www.w3.org/1999/xhtml">
 4 <head>
 5 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
 6 <title>无标题文档</title>
 7 </head>
 8 
 9 <body>
10 <h1>水果信息表</h1>
11 <table width="100%" border="1" cellpadding="0" cellpadding="0">
12             <tr>
13             <td>代号</td>
14         <td>名称</td>
15         <td>价格</td>
16         <td>产地</td>
17         <td>库存</td>
18         <td>删除</td>
19             </tr>
20 
21 <?php
22 //1.造链接对象
23 $db = new MySQLi("localhost","root","511108","text");
24 //2.写SQL语句
25 $sql = "select*from fruit";
26 //3.执行
27 $result = $db->query($sql);
28 //4.读取数据(有两种方法)
29 //1.方法
30 /*$attr = $result->fetch_all();
31 foreach($attr as $v)
32 {
33     echo"<tr><td>{$v[0]}</td><td>{$v[1]}</td><td>{$v[2]}</td><td>{$v[3]}</td><td>{$v[4]}</td></tr>";
34 
35 }*/
36 //2.方法
37 while($attr = $result->fetch_row())
38 {
39     echo "<tr><td>{$attr[0]}</td><td>{$attr[1]}</td><td>{$attr[2]}</td><td>{$attr[3]}</td><td>{$attr[4]}</td><td>
40     <a href='shanchu.php?code={$attr[0]}'onclick="return confirm('确定删除吗')">删除
41     </a>
42 </td></tr>";    
43 
44 }
45 
46 
47 ?>
48 </table>
49 
50 
51 </body>
52 </html>
下图2是添加删除并且给删除加超链接
图2
 对苹果信息表做里内容做删除如图1。并且按删除给出一个提示如图2。下图3是点击确定以后的结果
1
<?php 2 $code = $_GET["code"]; 3 //1.造链接对象 4 $db = new MySQLi("localhost","root","511108","text"); 5 //2.写SQL语句 6 $sql = "delete from fruit where ids='{$code}'";//fruit表格名。ids表格里的主键 7 //3.执行 8 $r = $db->query($sql); 9 if($r) 10 { 11 header("location:pingguoxinxi.php");//删除完成后,跳转到location:pingguoxinxi.php网页,等于从新刷新 12 } 13 else 14 { 15 echo"删除失败!"; 16 }

图1

图2

下图3

         添加水果或商品如下

//在pingguoxinxi.php里面做个添加数据的链接如下图1,图2,图3,图4。

图1

              往水果表里添加水果数据
1
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 2 <html xmlns="http://www.w3.org/1999/xhtml"> 3 <head> 4 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> 5 <title>无标题文档</title> 6 </head> 7 8 <body> 9 <h1>添加水果</h1> 10 <form action="tianjiashuiguoshuju.php" method="post"> 11 <div>代号:<input type="text" name="ids" /></div> 12 <div>名称:<input type="text" name="name" /></div> 13 <div>价格:<input type="text" name="price" /></div> 14 <div>产地:<input type="text" name="chandi" /></div> 15 <div>库存:<input type="text" name="numbers" /></div> 16 <div><input type="submit" value="添加" /></div> 17 18 </form> 19 20 </body> 21 </html>
图2
 1 <?php
 2 $ids = $_POST["ids"];
 3 $name = $_POST["name"];
 4 $price = $_POST["price"];
 5 $chandi = $_POST["chandi"];
 6 $numbers = $_POST["numbers"];
 7 //1ps造链接对象
 8 $db = new MySQLi("localhost","root","511108","text");
 9 //2.写SQL语句
10 $sql = "insert into fruit values('{$ids}','{$name}',{$price},'{$chandi}',{$numbers},'')";
11 
12 //执行
13 $r = $db->query($sql);
14 
15 if($r)
16 {
17     header("location:pingguoxinxi.php");
18 }
19 else
20 {
21     echo "添加失败!";
22 }
图3图4

原文地址:https://www.cnblogs.com/aqxss/p/6197764.html