我想遍历一个 JSONArray。例如,
[{"attribute_name":"222","value":"333","monitor_name":"111"}, {"attribute_name":"bbb","value":"ccc","monitor_name":"aaa"}]
我应该遍历 JSONArray 中的每个 JSONObject 并获取该对象的每个键的值。我试过这样的东西,
<c:forEach var="eachEntry" items="${widgetDataForAll}"></c:forEach>
循环通过,但它说
javax.servlet.jsp.JspTagException: Don't know how to iterate over supplied "items" in <forEach>
另外,我不知道如何获取每个键的值。