swfupload 批量上传源码-PHP源码-php.cn

Home

php教程

PHP源码

swfupload 批量上传源码

PHP中文网

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
<!DOCTYPE html>
<html>
<head>
<title>SWFUpload Demos - Application Demo</title>
<link href="./default.css" rel="stylesheet" type="text/css" />
<script type="text/javascript" src="./swfupload/swfupload.js"></script>
<script type="text/javascript" src="./swfupload/jquery-1.4.js"></script>
<script type="text/javascript" src="js/handlers.js"></script>
<script type="text/javascript">
$(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: "upload.php",
    post_params: {"PHPSESSID": "<?php echo session_id(); ?>"},

    // File Upload Settings
    file_size_limit : "800", // 2MB 最大容量限制
    file_types : "*.jpg",
    file_types_description : "JPG Images",
    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 : "images/SmallSpyGlassWithTransperancy_17x18.png",
    button_placeholder_id : "spanButtonPlaceholder",
    button_width: 200,
    button_height: 18,
    button_text : &#39;<span class="button">Select Images <span class="buttonSmall">(800 k Max)[*.jpeg]</span></span>&#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 : "./swfupload/swfupload.swf",
    flash9_url : "./swfupload/swfupload_FP9.swf",

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

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

 session_start();
 ini_set("html_errors", "0");

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

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

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

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

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

 $img_ratio = $width / $height;

 if ($target_ratio > $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 > $target_height) {
  $new_height = $target_height;
 }
 if ($new_width > $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 "ERROR:Could not fill new image";
  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 "ERROR:Could not resize image";
  exit(0);
 }

 if (!isset($_SESSION["file_info"])) {
  $_SESSION["file_info"] = 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["Filedata"]["tmp_name"] + rand()*100000);
 $_SESSION["file_info"][$file_id] = $imagevariable;
 //上传图片处理

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

Copy after login

Statement of this Website

The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn