1. View頁面代碼

1
<
script
src
="http://www.cnblogs.com/Scripts/jquery.form.js"
type
="text/javascript"
></
script
>
2
3 < form id ="filePost" action ="/Home/Upload" method ="post" enctype ="multipart/form-data" >
4
5 < label > Filename: < input type ="file" name ="file" onchange ="save();" /></ label >
6 < input id ="ButtonUpload" type ="submit" value ="Upload" />
7 </ form >
8
9 < div id ="outputdiv" > </ div
2
3 < form id ="filePost" action ="/Home/Upload" method ="post" enctype ="multipart/form-data" >
4
5 < label > Filename: < input type ="file" name ="file" onchange ="save();" /></ label >
6 < input id ="ButtonUpload" type ="submit" value ="Upload" />
7 </ form >
8
9 < div id ="outputdiv" > </ div
2.Controller頁面

1
public JsonResult Upload(HttpPostedFileBase file)
2 {
3
4 if (file.ContentLength == 0)
5 {
6 return Json( new
7 {
8 bRet = false,
9 sMsg = " 請選擇圖片! "
10 }, " text/html ");
11 }
12 // 上傳文件代碼 記得先新建一下 Upload 文件夾
13 var fileName = Path.Combine(Request.MapPath( " ~/Upload "), Path.GetFileName(file.FileName));
14 try
15 {
16 file.SaveAs(fileName);
17
18 return Json( new
19 {
20 bRet = true,
21 sMsg = " 上傳成功 "
22 }, " text/html ");
23 }
24 catch
25 {
26 return Json( new
27 {
28 bRet = false,
29 sMsg = " 上傳失敗 "
30 }, " text/html ");
31 }
32
2 {
3
4 if (file.ContentLength == 0)
5 {
6 return Json( new
7 {
8 bRet = false,
9 sMsg = " 請選擇圖片! "
10 }, " text/html ");
11 }
12 // 上傳文件代碼 記得先新建一下 Upload 文件夾
13 var fileName = Path.Combine(Request.MapPath( " ~/Upload "), Path.GetFileName(file.FileName));
14 try
15 {
16 file.SaveAs(fileName);
17
18 return Json( new
19 {
20 bRet = true,
21 sMsg = " 上傳成功 "
22 }, " text/html ");
23 }
24 catch
25 {
26 return Json( new
27 {
28 bRet = false,
29 sMsg = " 上傳失敗 "
30 }, " text/html ");
31 }
32
3.javascript

1
function save() {
2 var options = {
3
4 beforeSubmit: showRequest,
5 error: showError,
6 success: showResponse
7 };
8
9 $('#filePost').ajaxSubmit(options);
10 }
11
12 $(document).ready( function () {
13 var options = {
14 target: '#outputdiv',
15 beforeSubmit: showRequest,
16 error: showError,
17 success: showResponse
18 };
19 $('#filePost').submit( function () {
20 $( this).ajaxSubmit(options);
21 return false;
22 });
23 });
24 function showRequest(formData, jqForm, options) {
25 alert('發送前');
26 return true;
27 }
28 function showError(data) {
29 alert('error');
30 }
31
32 function showResponse(responseText, statusText) {
33
34 alert(responseText + "," + statusText + "," + '發送后');
35
2 var options = {
3
4 beforeSubmit: showRequest,
5 error: showError,
6 success: showResponse
7 };
8
9 $('#filePost').ajaxSubmit(options);
10 }
11
12 $(document).ready( function () {
13 var options = {
14 target: '#outputdiv',
15 beforeSubmit: showRequest,
16 error: showError,
17 success: showResponse
18 };
19 $('#filePost').submit( function () {
20 $( this).ajaxSubmit(options);
21 return false;
22 });
23 });
24 function showRequest(formData, jqForm, options) {
25 alert('發送前');
26 return true;
27 }
28 function showError(data) {
29 alert('error');
30 }
31
32 function showResponse(responseText, statusText) {
33
34 alert(responseText + "," + statusText + "," + '發送后');
35
4 jquery.form.js 下載