AjaxFileUpload.js实现异步上传文件功能

<script type="text/javascript" src="https://api.mayuko.cn/js/jquery.min.js"></script>
<script type="text/javascript" src="https://api.mayuko.cn/js/ajaxfileupload.js"></script>

<td height="52" class="inputContent" ><div align="center">附件1
<input type="file" name="upload_file" id="ss_upload_file1"></td>
<td colspan="3"><input type="button" name="Submit3" value="上 传" class="button" id="ss_file_upload"></td>

$("#ss_file_upload").click(function(){ 
 $.ajaxFileUpload({
 url:'doajaxfileupload.php',//请求地址
 secureuri:false,//是否需要安全协议
 fileElementId:'ss_upload_file1',//file的ID
 dataType: 'text',//返回值类型，一般为json
 success: function(img_data1)//成功后执行
 {
 $(ss_file1_url).attr("value",img_data1);
 alert("上传成功");
 },
 error:function(img_data1,status,e){ 
 alert("上传失败"); 
 }
 })
})

<?php
//echo var_dump($_FILES);
//echo $_FILES['upload_file']['tmp_name'];
$file_infor = array("status"=>'',"url"=>'');
require_once("qiniu/io.php");
require_once("qiniu/rs.php");
$bucket = "";//你的bucket
$key1 = $_FILES["upload_file"]["name"] ;
$accessKey = '';//AK
$secretKey = '';//SK
Qiniu_SetKeys($accessKey, $secretKey);
$putPolicy = new Qiniu_RS_PutPolicy($bucket);
$upToken = $putPolicy->Token(null);
$putExtra = new Qiniu_PutExtra();
$putExtra->Crc32 = 1;
list($ret, $err) = Qiniu_PutFile($upToken, $key1,$_FILES["upload_file"]["tmp_name"], $putExtra);
$url='bucket域名'.$key1;
if ($_FILES["upload_file"]["error"] > 0){
$file_infor["status"] = 'error';
}
else{
$file_infor["status"] = 'success';
$file_infor["url"] = $url;
}

echo $url;
?>

array (
‘upload_file' =>
array (
‘name' => ‘733626970332872971.jpg',
‘type' => ‘image/jpeg',
‘tmp_name' => ‘C:\\Windows\\Temp\\phpF203.tmp',
‘error' => 0,
‘size' => 210744,
),
)

handleError: function( s, xhr, status, e ) {
// If a local callback was specified, fire it
if ( s.error ) {
s.error.call( s.context || s, xhr, status, e );
}

// Fire the global callback
if ( s.global ) {
(s.context ? jQuery(s.context) : jQuery.event).trigger( "ajaxError", [xhr, s, e] );
}
}

$("#upload_file").change(function(){ 
 UploadImg();
});
UploadImg = function() {
 $(window).bind('beforeunload',function(){return '正在上传，确定离开此页面吗？';});
 $('#loading').attr('style','display:block;')
 $.ajaxFileUpload({
 url:'upload_ajax.php',
 secureuri:false,
 fileElementId:'upload_file',
 dataType: 'text',
 success: function(data)
 {
  $('#loading').attr('style','display:none;');
  if(data == 0){
   $("body").overhang({
   type: "error",
   message: "上传失败，CODE:00020"
   });
  }
  else if(data == 1){
   $("body").overhang({
   type: "success",
   message: "上传成功！"
   });
   setTimeout(function(){
      window.location.reload(); 
   },1000);

  }

  else{
   $("body").overhang({
   type: "error",
   message: "格式错误，仅支持jpg,png,gif"
   });
  }
  $(window).unbind('beforeunload');
  $("#upload_file").change(function () {
    UploadImg();
  });

 },
 error:function(data,status,e){ 
   $("body").overhang({
   type: "error",
   message: "上传失败，CODE:00031"
   });
 }
 })   
}