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ASP JSON: Object not a collection

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情歌与酒
情歌与酒 2020-12-04 03:55

How should I retrieve PitcherID from this JSON? I am using the class from http://aspjson.com.

JSON

[
 {
  \"PitcherID\": \"456068\"
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2条回答
  • 迷失自我
    2020-12-04 04:17

    The problem is the class from http://aspjson.com is limited and personally I've always found it hard to find decent examples of how to use it.

    Why do you get the Object not a collection error?

    It's quite simple really the object you are trying to iterate through like an array / collection is not one.

    This line

    For Each thing In oJSON.data("PitcherID")

    will fail because oJSON.data("PitcherID") is not a collection object which means you cannot iterate through it. For PitcherID to be enumerable the source JSON structure would look more like this

    {
  "PitcherID": [
    "456068",
    "431148"
  ]
}

    for example.

    Links

    • Any good libraries for parsing JSON in Classic ASP?
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  • Happy的楠姐
    2020-12-04 04:25

    In my experience it's far easier to just use JScript as your server side scripting language than to use the aspjson class. You could render your JSON object as follows

    <%@language="javascript"%>
<!DOCTYPE html>
<html>
<body>


    <%
    var oJSON =[
     {
      "PitcherID": "456068"
     },
     {
      "PitcherID": "431148"
     }
    ]
    for (i in oJSON)
    { 
     Response.write((oJSON[i].PitcherID) + "<br />");
    } 
    %>

</body>
</html>

    I realise that this may cause problems if the json processing is only part of a page and the rest of it uses VBScript, however you can execute server side JS in what is otherwise a VBS page by using <script runat="server"> eg

    <%@language="VBScript"%>
<!DOCTYPE html>
<html>
<head>

<script language="javascript" runat="server">
var oJSON =[
 {
  "PitcherID": "456068"
 },
 {
  "PitcherID": "431148"
 }
]
var strout = ""
for (i in oJSON)
{ 
 strout = strout + ((oJSON[i].PitcherID) + "<br />");
} 
</script>


</head>
<body>

<% Response.write strout %>

</body>
</html>
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