asp.net-mvc – 返回对象名称为MVC的Json Result

发布时间：2020-12-16 07:34:52 所属栏目：asp.Net 来源：网络整理

导读：当控制器返回json结果时,对象名称似乎丢失了,我通常不介意,但flexbox jquery插件需要特定格式的json结果. Flexcombobox预期的格式 {"results":[ {"id":"1","name":"Ant"},{"id":"2","name":"Bear"},{"id":"3","name":"Cat"},{"id":"4","name":"Dog"},{"id":"

当控制器返回json结果时,对象名称似乎丢失了,我通常不介意,但flexbox jquery插件需要特定格式的json结果.

Flexcombobox预期的格式

{"results":[  
     {"id":"1","name":"Ant"},{"id":"2","name":"Bear"},{"id":"3","name":"Cat"},{"id":"4","name":"Dog"},{"id":"5","name":"Elephant"},{"id":"6","name":"Fox"},{"id":"7","name":"Guinea Pig"},{"id":"8","name":"Horse"},{"id":"9","name":"Iguana"},{"id":"10","name":"Jaguar"}  
 ]}

类

Public Class FlexboxResult

    Private _id As String
    Public Property Id() As String
        Get
            Return _id
        End Get
        Set(ByVal value As String)
            _id = value
        End Set
    End Property

    Private _name As String
    Public Property Name() As String
        Get
            Return _name
        End Get
        Set(ByVal value As String)
            _name = value
        End Set
    End Property

End Class

控制器代码

Function PartYearsList() As JsonResult
            Dim yearSelectList As List(Of FlexboxResult) = New List(Of FlexboxResult)

            For index As Integer = DateTime.Now.Year To 1955 Step -1
                yearSelectList.Add(New FlexboxResult() With {.Id = index,.Name = index})
            Next

            Return Me.Json(yearSelectList.ToArray(),JsonRequestBehavior.AllowGet)
End Function

Json结果返回(缩短)

[{"Id":"2010","Name":"2010"},{"Id":"2009","Name":"2009"},{"Id":"2008","Name":"2008"}]

期望的结果(缩短)

{"results": [{"Id":"2010","Name":"2008"}]}

Flexcombobox文档
http://www.fairwaytech.com/flexbox.aspx

解决方法

在C#中,您可以使用匿名对象在其出路时调整JSON结构：

// The ToArray() probably isn't necessary. Collections like List<T> are treated
//  as JavaScript arrays when JavaScriptSerializer turns them into JSON.
return Json(new { results = yearSelectList});

更新：

从Dien,这是同一件事的VB语法：

Return Json(New With {Key .results = yearSelectList},JsonRequestBehavior.AllowGet)

（编辑：李大同）

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