Javascript 如何在IE调试控制台中显示servlet运行时?
我有如下JSP代码,我可以检查javascript代码的运行时,但我不能检查servlet进程的运行时,运行时总是0,我能做什么Javascript 如何在IE调试控制台中显示servlet运行时?,javascript,java,jsp,servlets,Javascript,Java,Jsp,Servlets,我有如下JSP代码,我可以检查javascript代码的运行时,但我不能检查servlet进程的运行时,运行时总是0,我能做什么 <%@ page contentType="text/html; charset=UTF-8"%> <%@ page import="java.util.List"%> <%@ page import="java.util.ArrayList"%> <% long startTime = System.currentT
<%@ 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>
...
time('my_form.jsp');
//javascript进程
timeEnd('my_form.jsp');
log(“选择我的列表时间:+);
尝试使用System.nanoTime()代码>
从
尝试使用System.nanoTime()代码>
从
您确定它不是零,因为运行时小于1毫秒吗?您确定它不是零,因为运行时小于1毫秒吗?
long startTime = System.nanoTime();
// ... the code being measured ...
long estimatedTime = System.nanoTime() - startTime;