swfupload 批量上传源码-PHP源码-php.cn

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swfupload 批量上传源码

May 25, 2016 pm 05:13 PM

1. [代码][PHP]代码

//首先  准备 swfupload 包
//前端用户体验页面
&lt;!DOCTYPE html&gt;
&lt;html&gt;
&lt;head&gt;
&lt;title&gt;SWFUpload Demos - Application Demo&lt;/title&gt;
&lt;link href=&quot;./default.css&quot; rel=&quot;stylesheet&quot; type=&quot;text/css&quot; /&gt;
&lt;script type=&quot;text/javascript&quot; src=&quot;./swfupload/swfupload.js&quot;&gt;&lt;/script&gt;
&lt;script type=&quot;text/javascript&quot; src=&quot;./swfupload/jquery-1.4.js&quot;&gt;&lt;/script&gt;
&lt;script type=&quot;text/javascript&quot; src=&quot;js/handlers.js&quot;&gt;&lt;/script&gt;
&lt;script type=&quot;text/javascript&quot;&gt;
$(function(){
$(&#39;#btn&#39;).bind(&#39;click&#39;,path);

});

function path()
{
 var url=&#39;&#39;;
$(&#39;#thumbnails img&#39;).each(function(){
url=$(this).attr(&#39;id&#39;)+&#39;{#@T@#}&#39;+url;
})
 alert(url);
}

  var swfu;
  window.onload = function () {
   swfu = new SWFUpload({
    // Backend Settings
    upload_url: &quot;upload.php&quot;,
    post_params: {&quot;PHPSESSID&quot;: &quot;&lt;?php echo session_id(); ?&gt;&quot;},

    // File Upload Settings
    file_size_limit : &quot;800&quot;, // 2MB 最大容量限制
    file_types : &quot;*.jpg&quot;,
    file_types_description : &quot;JPG Images&quot;,
    file_upload_limit : 5,//上传数量限制

    // Event Handler Settings - these functions as defined in Handlers.js
    //  The handlers are not part of SWFUpload but are part of my website and control how
    //  my website reacts to the SWFUpload events.
    swfupload_preload_handler : preLoad,
    swfupload_load_failed_handler : loadFailed,
    file_queue_error_handler : fileQueueError,
    file_dialog_complete_handler : fileDialogComplete,
    upload_progress_handler : uploadProgress,
    upload_error_handler : uploadError,
    upload_success_handler : uploadSuccess,
    upload_complete_handler : uploadComplete,

    // Button Settings
    button_image_url : &quot;images/SmallSpyGlassWithTransperancy_17x18.png&quot;,
    button_placeholder_id : &quot;spanButtonPlaceholder&quot;,
    button_width: 200,
    button_height: 18,
    button_text : &#39;&lt;span class=&quot;button&quot;&gt;Select Images &lt;span class=&quot;buttonSmall&quot;&gt;(800 k Max)[*.jpeg]&lt;/span&gt;&lt;/span&gt;&#39;,
    button_text_style : &#39;.button { font-family: Helvetica, Arial, sans-serif; font-size: 12pt; } .buttonSmall { font-size: 10pt; }&#39;,
    button_text_top_padding: 0,
    button_text_left_padding: 18,
    button_window_mode: SWFUpload.WINDOW_MODE.TRANSPARENT,
    button_cursor: SWFUpload.CURSOR.HAND,
    
    // Flash Settings
    flash_url : &quot;./swfupload/swfupload.swf&quot;,
    flash9_url : &quot;./swfupload/swfupload_FP9.swf&quot;,

    custom_settings : {
     upload_target : &quot;pFileProgressContainer&quot;
    },
    
    // Debug Settings
    debug: false
   });
  };
 &lt;/script&gt;
&lt;/head&gt;
&lt;body&gt;
&lt;h2&gt;最多上传5张图片&lt;h2&gt;
 &lt;form&gt;
  &lt;p style=&quot;width: 200px; height: 18px; border: solid 1px #7FAAFF; background-color: #C5D9FF; padding: 2px;&quot;&gt;
   &lt;span id=&quot;spanButtonPlaceholder&quot;&gt;&lt;/span&gt;
  &lt;/p&gt;
 &lt;/form&gt;
 &lt;p id=&quot;pFileProgressContainer&quot; style=&quot;height: 75px;&quot;&gt;&lt;/p&gt;
 &lt;p id=&quot;thumbnails&quot; style=&#39;width:500px;border:1px solid lime;padding-left:20px&#39;&gt;&lt;/p&gt;
&lt;/p&gt;
&lt;button id=&#39;btn&#39;&gt;提交&lt;/button&gt;
&lt;/body&gt;
&lt;/html&gt;

//后台处理页面 upload.php
&lt;?php
  
 if (isset($_POST[&quot;PHPSESSID&quot;])) {
  session_id($_POST[&quot;PHPSESSID&quot;]);
 }

 session_start();
 ini_set(&quot;html_errors&quot;, &quot;0&quot;);

 // Check the upload
 if (!isset($_FILES[&quot;Filedata&quot;]) || !is_uploaded_file($_FILES[&quot;Filedata&quot;][&quot;tmp_name&quot;]) || $_FILES[&quot;Filedata&quot;][&quot;error&quot;] != 0) {
  echo &quot;ERROR:invalid upload&quot;;
  exit(0);
 }

 // Get the image and create a thumbnail
 $img = imagecreatefromjpeg($_FILES[&quot;Filedata&quot;][&quot;tmp_name&quot;]);
 if (!$img) {
  echo &quot;ERROR:could not create image handle &quot;. $_FILES[&quot;Filedata&quot;][&quot;tmp_name&quot;];
  exit(0);
 }

 $width = imageSX($img);
 $height = imageSY($img);

 if (!$width || !$height) {
  echo &quot;ERROR:Invalid width or height&quot;;
  exit(0);
 }

 // Build the thumbnail
 $target_width = 100;
 $target_height = 100;
 $target_ratio = $target_width / $target_height;

 $img_ratio = $width / $height;

 if ($target_ratio &gt; $img_ratio) {
  $new_height = $target_height;
  $new_width = $img_ratio * $target_height;
 } else {
  $new_height = $target_width / $img_ratio;
  $new_width = $target_width;
 }

 if ($new_height &gt; $target_height) {
  $new_height = $target_height;
 }
 if ($new_width &gt; $target_width) {
  $new_height = $target_width;
 }

 $new_img = ImageCreateTrueColor(100, 100);
 if (!@imagefilledrectangle($new_img, 0, 0, $target_width-1, $target_height-1, 0)) { // Fill the image black
  echo &quot;ERROR:Could not fill new image&quot;;
  exit(0);
 }

 if (!@imagecopyresampled($new_img, $img, ($target_width-$new_width)/2, ($target_height-$new_height)/2, 0, 0, $new_width, $new_height, $width, $height)) {
  echo &quot;ERROR:Could not resize image&quot;;
  exit(0);
 }

 if (!isset($_SESSION[&quot;file_info&quot;])) {
  $_SESSION[&quot;file_info&quot;] = array();
 }

 // Use a output buffering to load the image into a variable
 ob_start();
 imagejpeg($new_img);
 $imagevariable = ob_get_contents();
 ob_end_clean();
 $file_id = md5($_FILES[&quot;Filedata&quot;][&quot;tmp_name&quot;] + rand()*100000);
 $_SESSION[&quot;file_info&quot;][$file_id] = $imagevariable;
 //上传图片处理

if(!is_dir(&quot;uploadimage&quot;))
{
   mkdir(&quot;uploadimage&quot;);
}
$pre_fix=md5(&#39;120ask120&#39;);
  move_uploaded_file($_FILES[&quot;Filedata&quot;][&quot;tmp_name&quot;],trim(&quot;./uploadimage/&quot;.$pre_fix.$file_id.&quot;.jpg&quot;));
/*图片处理结束*/  
 echo &quot;FILEID:&quot; . $file_id; // Return the file id to the script
 
?&gt;

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