Question

Im利用Chameleon在Adhury网站Im开发。这里是一部法典:

<option tal:repeat="option options"
        value="${option.isoformat()}"
        selected="${if request.get_param( %s%d%s  %(day, row, type))==option.isoformat():  selected }">
    ${int(option.strftime( %I ))}${option.strftime( :%M%p )}
</option>

但是,出于某种原因,我总是会遇到一起错:

ExpressionError: invalid syntax

- String:   "if request.get_param( %s%d%s  %(day, row, type))==option.isoformat():  selected "
- Filename: /Users/theron/Sites/python/restaurateur/views/settings/hours.pt

I don t see what I m doing wrong. Any help?

Answer 1

诚然,我认为我已经指出: 声明无效是因为没有其他声明,所以如果声明被评价为虚假,则没有产出。我确定如下:

<option tal:repeat="option options"
        value="${option.isoformat()}"
        tal:attributes="selected  selected  if request.get_param( %s%d%s  %(day, row,
        type))==option.isoformat() else None">
    ${int(option.strftime( %I ))}${option.strftime( :%M%p )}
</option>

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