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我有JSP代码如下,我可以检查运行时间的JavaScript代码,但我无法检查运行时的servlet进程,runTime始终为0,我该怎么办?如何在IE调试控制台中显示servlet运行时间?
<%@ page contentType="text/html; charset=UTF-8"%>
<%@ page import="java.util.List"%>
<%@ page import="java.util.ArrayList"%>
<%
long startTime = System.currentTimeMillis();
MyForm myForm = (MyForm) request.getAttribute(ACTION_FORM_KEY);
if(myForm == null) {
myForm = new PsiSearchForm();
}
List<Object> myList = myForm.getMyList();
if(myList == null) {
myList = new ArrayList<Object>();
}
long endTime = System.currentTimeMillis();
long runTime = endTime - startTime;
%>
<html>
...
</form>
</body>
<script language="JavaScript" type="text/JavaScript">
console.time('my_form.jsp');
// javascript process
console.timeEnd('my_form.jsp');
console.log("Select My List time: " + <%=runTime%>);
</script>
</html>
你确定这是不为零,因为运行时间在1毫秒试试? – Juan