PHP-mysql存儲照片的兩種方式

時間 2019-11-30

標籤 php mysql 存儲照片兩種方式欄目 PHP 简体版

原文原文鏈接

PHP-mysql存儲照片的兩種方式php

方式一：把圖片數據存儲在數據庫中（二進制）html

數據庫代碼：mysql

CREATE TABLE `photo` (
`id` int(10) unsigned NOT NULL auto_increment,
`type` varchar(100) NOT NULL,
`binarydata` mediumblob NOT NULL,
PRIMARY KEY (`id`)
) ENGINE=MyISAM DEFAULT CHARSET=latin1 AUTO_INCREMENT=1 ;sql

展示代碼：數據庫

<?php 
 // 鏈接數據庫 
$conn=@mysql_connect("localhost","root","root") or die(mysql_error()); 
 @mysql_select_db('test',$conn) or die(mysql_error()); 
 

// 判斷action 
 $action = isset($_REQUEST['action'])? $_REQUEST['action'] : '';

// 上傳圖片 
if($action=='add'){ 
 $image = mysql_escape_string(file_get_contents($_FILES['photo']['tmp_name'])); 
 $type = $_FILES['photo']['type']; 
 $sqlstr = "insert into photo(type,binarydata) values('".$type."','".$image."')"; 
 @mysql_query($sqlstr) or die(mysql_error()); 
 header('location:test.php'); 
 exit(); 
 // 顯示圖片 
}elseif($action=='show'){ 
 $id = isset($_GET['id'])? intval($_GET['id']) : 0; 
 $sqlstr = "select * from photo where id=$id"; 
 $query = mysql_query($sqlstr) or die(mysql_error()); 
 $thread = mysql_fetch_assoc($query); 
 if($thread){ 
 header('content-type:'.$thread['type']); 
 echo $thread['binarydata']; 
 exit(); 
 } 
 }else{ 
 // 顯示圖片列表及上傳表單 
?> 
 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> 
 <html> 
 <head> 
 <meta http-equiv="content-type" content="text/html; charset=utf-8"> 
 <title> upload image to db demo </title> 
 </head> 

 <body> 
 <form name="form1" method="post" action="test.php" enctype="multipart/form-data"> 
 <p>圖片：<input type="file" name="photo"></p> 
 <p><input type="hidden" name="action" value="add"><input type="submit" name="b1" value="提交"></p> 
 </form> 

 <?php 
 $sqlstr = "select * from photo order by id desc"; 
 $query = mysql_query($sqlstr) or die(mysql_error()); 
 $result = array(); 
 while($thread=mysql_fetch_assoc($query)){ 
 $result[] = $thread; 
 } 
 foreach($result as $val){ 
 echo '<p><img src="test.php?action=show&id='.$val['id'].'&t='.time().'" width="150"></p>'; 
 } 
 ?> 
 </body> 
 </html> 
 <?php 
 } 
 ?>

結果截圖：服務器