2012-03-07 59 views
7

客戶端發送的數據不會被反序列化。無法反序列化數組

客戶:

$.ajax({ 
    type: 'POST', 
    dataType: "json", 
    url: 'savecommentsservice', 
    data: { "Pid": 0, "Comments": [{ "User": "bbbbbb", "Text": "aaaaaaaa" }, { "User": "ddddddd", "Text": "ccccccccc"}] }, 

DTO:

public class Comment 
{ 
    public string User { get; set; } 
    public string Text { get; set; } 
} 
public class SaveCommentsRequest 
{ 
    public int Pid { get; set; } 
    public string SiteId { get; set; } 
    public string Column { get; set; } 
    public List<Comment> Comments { get; set; } 
} 

服務器:

Routes.Add<SaveCommentsRequest>("/savecommentsservice"); 

... 

public object Execute(SaveCommentsRequest request) 
    { 
     // Why is request.Comments null !!! All other params of the request works fine 

     // THe string I'm putting in is generated below - just to make sure its correct 
     request.Comments = new List<Comment>(); 
     request.Comments.Add(new Comment { Text = "aaaaaaaa", User = "bbbbbb" }); 
     request.Comments.Add(new Comment { Text = "ccccccccc", User = "ddddddd" }); 

     var thisIsWhatIPutInto$AjaxCall = JsonSerializer.SerializeToString<SaveCommentsRequest>(request); 

任何想法有什麼不對?爲什麼評論數組未填充。正如您從註釋中看到的,我使用servicestack json序列化器生成了字符串。

也許我在這裏錯過了一些隱藏的東西?

編輯 當小提琴手尋找什麼beeing傳遞我看到這一點:

POST http://localhost:4920/savecommentsservice HTTP/1.1 
Host: localhost:4920 
User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:10.0.2) Gecko/20100101 Firefox/10.0.2 
Accept: application/json, text/javascript, */*; q=0.01 
Accept-Language: zh,en-us;q=0.7,en;q=0.3 
Accept-Encoding: gzip, deflate 
Connection: keep-alive 
Content-Type: application/x-www-form-urlencoded; charset=UTF-8 
X-Requested-With: XMLHttpRequest 
Referer: http://localhost:4920/default.cshtml?viewId=3 
Content-Length: 227 
Cookie: ASP.NET_SessionId=slbw453revfgmwuuxyrim1an 
Pragma: no-cache 
Cache-Control: no-cache 

SiteId=Site1&Pid=0&Column=C6&Comments%5B0%5D%5BUser%5D=bbbbbb&Comments%5B0%5D%5BText%5D=aaaaaaaa&Comments%5B1%5D%5BUser%5D=ddddddd&Comments%5B1%5D%5BText%5D=ccccccccc&Comments%5B2%5D%5BUser%5D=ggggggg&Comments%5B2%5D%5BText%5D= 

而且在螢火蟲:

Parametersapplication/x-www-form-urlencoded 
Column C6 
Comments[0][Text] aaaaaaaa 
Comments[0][User] bbbbbb 
Comments[1][Text] ccccccccc 
Comments[1][User] ddddddd 
Comments[2][Text] 
Comments[2][User] ggggggg 
Pid 0 
SiteId SiteId0 
Source 
SiteId=SiteId0&Pid=0&Column=C6&Comments%5B0%5D%5BUser%5D=bbbbbb&Comments%5B0%5D%5BText%5D=aaaaaaaa&Comments%5B1%5D%5BUser%5D=ddddddd&Comments%5B1%5D%5BText%5D=ccccccccc&Comments%5B2%5D%5BUser%5D=ggggggg&Comments%5B2%5D%5BText%5D= 

問候

Larsi

回答

3

正如你可以看到默認的jQuery的Ajax提交其作爲「應用/的X WWW的形式進行了urlencoded」這是默認的HTML表單提交的內容類型。不幸的是,它不能很好地處理嵌套對象,並且ServiceStack會預期在JSV Format中嵌套對象。

所以你要告訴jQuery的通過指定的contentType 發送請求的JSON,你可以做複雜類型/嵌套的對象:應用程序/ JSON參數e.g:

var data = { "Pid": 0, "Comments": [{ "User": "bbbbbb", "Text": "aaaaaaaa" }]}; 
$.ajax({ 
    type: 'POST', 
    dataType: "json", 
    contentType: "application/json", 
    url: 'savecommentsservice', 
    data: JSON.stringify(data) 
); 
+0

嗨!首先,感謝一個偉大的框架。抱歉遲了迴應。將contentType設置爲application/json給了我一個例外:「類型定義應該以'{'開始,期望序列化類型'SaveCommentsRequest',得到的字符串以Pid = 0開頭並且註釋%5B0 ...」我應該在服務中改變任何東西? – Larsi 2012-03-13 07:27:19

+0

嗨,剛剛意識到**數據**需要使用'JSON.stringify()'作爲JSON序列化,因爲jQuery不會自動爲您執行並將它發送到** application/x-www-form-urlencoded **默認情況下,即使您指定了JSON contentType,ContentType也是如此。無論如何修改工作的答案。 – mythz 2012-03-13 08:17:00

1

我相信您需要將參數的名稱(請求)添加到您的字符串中。 東西沿線的..

$.ajax({ 
    type: 'POST', 
    dataType: "json", 
    url: 'savecommentsservice', 
    data: {"request": "Pid": 0, "Comments": [{ "User": "bbbbbb", "Text": "aaaaaaaa" }, { "User": "ddddddd", "Text": "ccccccccc"}] }, 
+0

嗨!感謝您查看這個。但是,不,在添加參數名稱時,沒有任何反序列化。所有最高級別都正確無誤,只有空的陣列 – Larsi 2012-03-07 14:50:24