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我試圖在金字塔框架中運行變色龍模板中的javascript時發現此錯誤。在金字塔框架中使用變色龍模板時名稱錯誤
這是從sqlite數據庫中提取數據的代碼。
@view_config(route_name='ddo2', renderer='../templates/pages/testpage.pt')
def ddo2(request):
query = request.dbsession.query(UserRoles)
allusers = query.filter(UserRoles.role_id == 1).all()
length = len(allusers)
return {'all_users':allusers,'length':length}
變色龍模板文件testpage.pt是這樣的,
<html>
<body>
<script type="text/javascript">
function createMany(nums){
var str = "";
for(i=0;i<nums;i++){
str += "<input type='radio' name='value1' />${all_users[i].id} <br>";
}
document.getElementById("divTxt").innerHTML = str;
}
</script>
<p>
<input type="button" name="button" id="button" value="To view user details click this" onclick="createMany(${length});" />
</p>
<div id="divTxt"></div>
</body>
</html>
錯誤頁面顯示出來說名稱錯誤:我
NameError: i
- Expression: "${all_users[i].id} "
- Filename: c:\nic\pro\scripts\nic\nic\templates\pages\testpage.pt
- Location: (line 11: col 57)
- Source: ... adio' name='value1' />${all_users[i].id} <br>";
^^^^^^^^^^^^^^^^^^^^
- Arguments: repeat: {...} (0)
renderer_name: ../templates/pages/testpage.pt
req: <Request - at 0x560e940L>
request: <Request - at 0x560e940L>
renderer_info: <RendererHelper - at 0x56b53c8L>
length: 2
context: <instance None at 0x56a9988L>
all_users: <list - at 0x56a9e88L>
view: <function ddo2 at 0x55d54a8L>
感謝您的幫助。 :)
感謝您的幫助..其實我解決了這一個。我用Jinja2模板來解決這個問題。有一個循環結構(比如for循環),通過它可以直接訪問python對象並迭代它們。 [鏈接](http://jinja.pocoo.org/docs/dev/templates/) – Sreeram
@Sreeram:不是變色龍沒有任何方法來遍歷Python列表:) – Sergey
這將是有益的,如果你可以告訴我我該如何做到這一點。謝謝:) @Sergey – Sreeram