ajax多图片上传demo

 1 <!DOCTYPE html>
 2 <html>
 3 <head>
 4     <title></title>
 5 </head>
 6 <body>
 7 <input type="file" multiple name="image[]" /> <br> 
 8 <input type="file" multiple name="image[]" /> <br> 
 9 <input type="file" multiple name="image[]" /> <br> 
10 <input type="button" value="提交"> 
11 </body>
12 <script src="jquery.min.js"></script>
13 <script type="text/javascript">
14     $(':button').click(function() {
15     　　//formdata储存异步上传数据
16         var formData = new FormData();
17         formData.append('image[]',$(':file')[0].files[0]);
18         formData.append('image[]',$(':file')[1].files[0]);
19         formData.append('image[]',$(':file')[2].files[0]);
20     
21         $.ajax({
22             url:"upload.php",
23             type: 'POST',
24             data: formData,
25             //这两个设置项必填
26             contentType: false,
27             processData: false,
28             success:function(data){
29             }
30         })
31     });
32 </script>
33 </html>
FormData使用详解