- Foxtable(狐表) (http://foxtable.net/bbs/index.asp)
-- 专家坐堂 (http://foxtable.net/bbs/list.asp?boardid=2)
---- 当前行如何生成json? (http://foxtable.net/bbs/dispbbs.asp?boardid=2&id=147034)
-- 发布时间：2020/3/8 12:54:00
-- 当前行如何生成json?
我看帮助里面都是json拼接而成,后来查到一句:
根据现有对象生成JSON。
例如根据当前登录用户生成JSON，可在命令窗口执行：
Dim jo As
JObject = JObject.FromObject(User)
Dim js As
String = jo.ToString()
Output.Show(js)
我想把某表的当前行生成json,除了拼接,可以用上面的语句生成吗?该怎么做?
-- 发布时间：2020/3/8 14:15:00
--
送你2个内部函数
Row2JObject:
Dim dr As DataRow = args(0)
Dim jo As JObject = args(1)
For Each dc As DataCol In dr.DataTable.DataCols
If dc.IsString Then
jo(dc.Name) = CStr(dr(dc.Name))
Else If dc.IsBoolean Then
jo(dc.Name) = CBool(dr(dc.Name))
Else If dc.IsNumeric Then
jo(dc.Name) = Val(dr(dc.Name))
Else If dc.IsDate Then
If dr.Isnull(dc.Name) =False Then
jo(dc.Name) = CStr(dr(dc.Name))
Else
jo(dc.Name) = ""
End If
End If
Next
Table2Json：
Dim e As RequestEventArgs = args(0)
Dim dt As DataTable = args(1)
Dim jo As New JObject
Dim ja As New JArray
jo("list") =ja
For i As Integer =0 To (dt.DataRows.Count - 1)
Dim jo2 As new JObject
ja.Add(jo2)
Dim dr As DataRow = dt.DataRows(i)
Functions.Execute("Row2JObject",dr,jo2)
Next
e.WriteString(CompressJson(jo))
\'jo就是你要的最终json
[此贴子已经被作者于2020/3/8 14:16:21编辑过]
-- 发布时间：2020/3/8 14:59:00
--
太感谢了
-- 发布时间：2020/11/26 0:37:00
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