System.out.println(new java.text.SimpleDateFormat( "yyyyMMddHHmmss ").format(new Date()));
这样会报错
org.apache.jasper.JasperException: Unable to compile class for JSP
An error occurred at line: 47 in the jsp file: /helpadmin.jsp
Generated servlet error:
The constructor Date() is undefined
org.apache.jasper.compiler.DefaultErrorHandler.javacError(DefaultErrorHandler.java:84)
org.apache.jasper.compiler.ErrorDispatcher.javacError(ErrorDispatcher.java:328)
org.apache.jasper.compiler.JDTCompiler.generateClass(JDTCompiler.java:397)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:288)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:267)
org.apache.jasper.compiler.Compiler.compile(Compiler.java:255)
org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:556)
org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:296)
org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:295)
org.apache.jasper.servlet.JspServlet.service(JspServlet.java:245)
javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
------解决方案--------------------
还有 java.text
Date 和 SimpleDateFormat 分别在 两个包中,我不记得了,你查一下。
要引用这两个包
------解决方案--------------------
服务器报的错误是“Date()构造方法没有定义”,肯定是你导入了 java.sql.Date 的类,这个类是没有空构造的。
------解决方案--------------------
<%@ page contentType= "text/html; charset=GB2312 " %>
<%@page import= "java.util.* " %>
<%@page import= "java.text.* " %>
<%
SimpleDateFormat df=new SimpleDateFormat();
out.println(df.format(new java.util.Date()));
%>
代码迷推荐解决方案:org.apache.jasper.JasperException: Unable to compile class,http://www.daimami.com/search?q=2308