Question

thinkphp图片和二进制互相转换的问题，

Answer 1

<?php
//方法一

//存入
$conn=@mysql_connect("localhost","root","123") or die("服务器连接错误!"); //链接数据库
@mysql_select_db("img_text",$conn) or die("未发现数据库!");

if(isset($_POST['sub']))
{
$fp=fopen($_FILES['img']['tmp_name'],"rb");
$fp=fread($fp,$_FILES['img']['size']);
$fp=addslashes($fp);
$sql="insert into img(img) value('$fp')";
mysql_query($sql) or die("$sql");
}

//读取
$conn=@mysql_connect("localhost","root","123") or die("服务器连接错误!"); //链接数据库
@mysql_select_db("img_text",$conn) or die("未发现数据库!");
$query="select * from img where id=6";
$result=mysql_query($query);
if(!$result) die("error: mysql query");
$num=mysql_num_rows($result);
if($num<1) die("error: no this recorder");
$data = mysql_result($result,0,"img");
echo $data;
?>