$.ajaxFileUpload({
   url:'www.coding/mobi/file/uploadSingleFile.html',//处理图片脚本
   secureuri :false,
   fileElementId :'image2',//file控件id。就是input type="file" id="image2"
   dataType : 'json',
   success : function (data, status){
    console.log(data);
   },
   error: function(data, status, e){
    alert(e);
   }
   })

uploadHttpData: function( r, type ) {
 var data = !type;
 data = type == "xml" || data ? r.responseXML : r.responseText;
 // If the type is "script", eval it in global context
 if ( type == "script" )
  jQuery.globalEval( data );
 // Get the JavaScript object, if JSON is used.
 if ( type == "json" )
  eval( "data = " + data );
 // evaluate scripts within html
 if ( type == "html" )
  jQuery("<div>").html(data).evalScripts();
  //alert($('param', data).each(function(){alert($(this).attr('value'));}));
 return data;
 }

uploadHttpData: function( r, type ) {
 var data = !type;
 data = type == "xml" || data ? r.responseXML : r.responseText;
 // If the type is "script", eval it in global context
 if ( type == "script" )
  jQuery.globalEval( data );
 // Get the JavaScript object, if JSON is used.
 if ( type == "json" ){
  // 因为json数据会被<pre>标签包着，所以有问题，现在添加以下代码，
  // update by hzy
  var reg = /<pre.+?>(.+)<\/pre>/g; 
  var result = data.match(reg);
  result = RegExp.$1;
  // update end
  data = $.parseJSON(result);
  // eval( "data = " + data );
 // evaluate scripts within html
 }
 if ( type == "html" )
  jQuery("<div>").html(data).evalScripts();
  //alert($('param', data).each(function(){alert($(this).attr('value'));}));
 return data;
 }

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] ); 
    } 
 }