Question

我有一个json数组字符串，我从数据库中获取数据，我需要按以下格式格式化DateAndTime字段：yyyy-MM-dd hh：mm：ss，它需要是动态的数据除了DateAndTime

之外，传递的内容总是不同的

以下是我到目前为止所做的尝试。

ASPX

var chartData = <%= DataToJSONChart() %>;
var new_data = []   
for (var i = 0; i < chartData.length; i++) {
   var date = new Date(parseInt(chartData[i].DateAndTime.substr(6)));
   new_data.push(date);
 }
 chartData.tblGeneral = new_data;

VB

Public Function DataToJSONChart() As String
Dim dt As DataTable
Dim ds As New DataSet()
ds = ChartData(4, DateTime.Parse("2012-06-01 00:00:00"), DateTime.Parse("2012-06-10 23:59:59"))
dt = ds.Tables(0)
Dim serializer As System.Web.Script.Serialization.JavaScriptSerializer = New System.Web.Script.Serialization.JavaScriptSerializer()
Dim rows As New List(Of Dictionary(Of String, Object))
Dim row As Dictionary(Of String, Object)
For Each dr As DataRow In dt.Rows
row = New Dictionary(Of String, Object)
For Each col As DataColumn In dt.Columns
row.Add(col.ColumnName, dr(col))
Next
rows.Add(row)
Next
serializer.MaxJsonLength = Int32.MaxValue
Return serializer.Serialize(rows)
End Function

Answer 1

您可以通过检查服务器端的列名来格式化 DateTime ：

For Each dr As DataRow In dt.Rows
    row = New Dictionary(Of String, Object)
    For Each col As DataColumn In dt.Columns
        If col.ColumnName = "DateTimeColumnName" Then
            Dim dt As DateTime = DateTime.Parse(dr(col).ToString())
            row.Add(col.ColumnName, dt.ToString("yyyy-MM-dd hh:mm:ss"))
        Else
            row.Add(col.ColumnName, dr(col))
        End If
    Next
    rows.Add(row)
Next

Json字符串数组格式Date Time字段 - yyyy-MM-dd hh：mm：ss

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