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我有双重条件对我的进度表进行测试。这是我使用的第一个条件:
<zk if="${item.progres <= '33'}"> <style> span.z-progressmeter-image{ background-image:url('images/vert.GIF'); } </style> </zk>
当我运行程序时,出现此错误:
与元素类型“null”关联的属性“if”的值不能包含“<”字符。