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Home Backend Development PHP Tutorial 简单的PHP图片上传程序_php技巧

简单的PHP图片上传程序_php技巧

May 17, 2016 am 09:37 AM
php upload picture

第一种:
php部分

复制代码 代码如下:

if($_FILES['file']['error'] > 0){ 
   echo '!problem:'; 
   switch($_FILES['file']['error']) 
   { 
     case 1: echo '文件大小超过服务器限制'; 
             break; 
     case 2: echo '文件太大!'; 
             break; 
     case 3: echo '文件只加载了一部分!'; 
             break; 
     case 4: echo '文件加载失败!'; 
             break; 
   } 

   exit; 

if($_FILES['file']['size'] > 1000000){ 
   echo '文件过大!'; 
   exit; 

if($_FILES['file']['type']!='image/jpeg' && $_FILES['file']['type']!='image/gif'){ 
   echo '文件不是JPG或者GIF图片!'; 
   exit; 

$today = date("YmdHis"); 
$filetype = $_FILES['file']['type']; 
if($filetype == 'image/jpeg'){ 
  $type = '.jpg'; 

if($filetype == 'image/gif'){ 
  $type = '.gif'; 

$upfile = 'upfile/' . $today . $type; 
if(is_uploaded_file($_FILES['file']['tmp_name'])) 

   if(!move_uploaded_file($_FILES['file']['tmp_name'], $upfile)) 
   { 
     echo '移动文件失败!'; 
     exit; 
    } 

else 

   echo 'problem!'; 
   exit; 

echo '

success!


';  
echo '文件大小:' . $_FILES['file']['size'] . '字节' . '
'; 
echo '文件路径:' . $upfile; 
echo '
' . '

'; 
$dirr = 'upfile/'; 
$dir = opendir($dirr); 
echo $dirr . '--Listing:

    '; 
    while($file = readdir($dir)){ 
      echo "
  • $file
  • "; 

    echo '
'; 
closedir($dir); 
?> 


第二种:
复制代码 代码如下:


if(empty($_GET[submit])) 



?> 
?submit=1" method="post"> 
Send this file:  
 
 
}else{ 
    $path="uploadfiles/";        //上传路径 

//echo $_FILES["filename"]["type"]; 


if(!file_exists($path)) 

    //检查是否有该文件夹,如果没有就创建,并给予最高权限 
    mkdir("$path", 0700); 
}//END IF 
//允许上传的文件格式 
$tp = array("image/gif","image/pjpeg","image/png"); 
//检查上传文件是否在允许上传的类型 
if(!in_array($_FILES["filename"]["type"],$tp)) 

    echo "格式不对"; 
    exit; 
}//END IF 
if($_FILES["filename"]["name"]) 

        $file1=$_FILES["filename"]["name"]; 
        $file2 = $path.time().$file1; 
        $flag=1; 
}//END IF 
if($flag) $result=move_uploaded_file($_FILES["filename"]["tmp_name"],$file2); 
//特别注意这里传递给move_uploaded_file的第一个参数为上传到服务器上的临时文件 
if($result) 

    //echo "上传成功!".$file2; 
    echo "<script>"; <BR> echo "alert(\"上传成功!\");"; <BR> echo " location='add_aaa.php?pname=$file2'"; <BR> echo "</script>"; 
}//END IF 




?>
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