我的JSON对象结果为null，我看不出为什么

Question

所以我一直在网络上寻找一种方法将数据从我的js发送到我的控制器，并遇到了一个看似很好的解决方案。

function syncDB() { 
if (localStorage.length != 0) { 
    var data = viewLog(); 
    for (var i = 0; i < localStorage.length; i++) { 
     $.ajax({ 
      url: "/Leads/RegisterOfflineEntries", 
      type: "POST", 
      dataType: "json", 
      data: JSON.stringify(data) 
     }); 
    } 
} 

}

这个被发送到：

public ActionResult RegisterOfflineEntries(string[] leads) 
    { 
     string[] splitLeads; 
     for (int i = 0; i < leads.Length; i++) 
     { 
      splitLeads = leads[i].Split(','); 
      var validFields = new List<LeadFields>(); 
      var fields = new List<LeadFields> 
      { 
       new LeadFields() {Value = splitLeads[0], FieldsId = 1}, 
       new LeadFields() {Value = splitLeads[1], FieldsId = 2}, 
       new LeadFields() {Value = splitLeads[2], FieldsId = 3}, 
       new LeadFields() {Value = splitLeads[3], FieldsId = 4}, 
       new LeadFields() {Value = splitLeads[4], FieldsId = 5} 
      }; 
      foreach (var v in fields.Where(v => !(string.IsNullOrEmpty(v.Value)))) 
      { 
       v.Value = v.Value.ToUpper(); 
       validFields.Add(v); 
      } 

     } 
     return RedirectToAction("Index","Home"); 
    } 

现在，不读入代码太多，会使问题在于ActionMethod的参数。它是空的，我不知道为什么，因为当我在其他地方使用js数据时，我可以读取它上面的数据，但将它发送到控制器不起作用。

谢谢！

编辑： 对象IM尝试发送是从事件浏览器方法，看起来像这样

function viewLog() { 
var localDbList = [localStorage.length]; 
for (var i = 0; i < localStorage.length; i++) { 
    localDbList[i] = localStorage[i]; 
} 
return localDbList; 

}

我有什么是离线支持localStorage的，我想取采取这里存储的值，并将其保存在我的服务器上

编辑：

Request URL:http://localhost:59848/Leads/RegisterOfflineEntries 
Request Headers 
Provisional headers are shown 
Accept:*/* 
Content-Type:json 
Origin:http://localhost:59848<br> 
Referer:http://localhost:59848/Leads/Register 
User-Agent:Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/38.0.2125.111 Safari/537.36 
X-DevTools-Emulate-Network-Conditions-Client-Id:C8AD858A-EBA0-4A75-8D89-38956182F914 
X-Requested-With:XMLHttpRequest 
Request Payloadview source 
[DAVE, DAVID, [email protected], , ] 
0: "DAVE" 
1: "DAVID" 
2: "[email protected]" 
3: "" 
4: "" 

Answer 1

我不知道原来的问题是什么，从来没有真正解决过这个问题，而是使用API​​控制器做到了，所以它可以在后台顺利地完成。下面的代码如果任何人感兴趣

function OfflineSync() { 
if (localStorage.length != 0) { 
    $.post('/api/TrackApi', { '': localStorage.length }); 
    var formatedList = formatViewLog(); 
    for (var k = 0; k < formatedList.length; k += 5) { 
     var value = JSON.stringify([ 
      formatedList[k], 
      formatedList[k + 1], 
      formatedList[k + 2], 
      formatedList[k + 3], 
      formatedList[k + 4] 
     ]); 
     $.post('/api/Offline', { '': value }); 
    } 
} 
localStorage.clear(); 
} 

Answer 2

您还没有公布确切的格式data是，它应该是这样的前字串

var leadsStrings = new Array(); 
leadsStrings.push("string1"); 
leadsStrings.push("string2"); //etc 
var dataObj = { 
    leads: leadsStrings 
}; 

data : dataObj 



function syncDB() { 
var data = new Array(); 
if (localStorage.length != 0) { 
    for (var i = 0; i < localStorage.length; i++) { 
     data.push(localStorage[i]); 
    } 
    var dataObj = { 
     leads: data 
    }; 
     $.ajax({ 
      url: "/Leads/RegisterOfflineEntries", 
      data: dataObj 
     }); 
    } 
} 

你的意思是这样的吗？