出现500错误
来源:2-13 自由编程
Adopat
2019-07-17 00:01:50
package com.imooc.jstl.practice;
public class Notice {
private String id;
private String name;
public Notice(String id,String name) {
this.id=id;
this.name=name;
}
public String getcid() {
return id;
}
public void setcid(String cid) {
this.id = cid;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String toString() {
return id+"-----"+name;
}
}
package com.imooc.jstl.practice;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* Servlet implementation class NoticeServlet
*/
@WebServlet("/NoticeServlet")
public class NoticeServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
/**
* @see HttpServlet#HttpServlet()
*/
public NoticeServlet() {
super();
// TODO Auto-generated constructor stub
}
/**
* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
*/
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
List list = new ArrayList();
list.add(new Notice("001","欢迎来到慕课网!"));
list.add(new Notice("002","欢迎学习Java Web课程!"));
list.add(new Notice("003","一定要多写代码,多练习哟!"));
request.setAttribute("notice", list);
request.getRequestDispatcher("/notice.jsp").forward(request, response);
}
}
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<h1>公告展示</h1>
<c:forEach items="${requestScope.notice}" var="notice" varStatus="idx">
<h2>${idx.index}.${notice.id}---${notice.name}</h2>
</c:forEach>
</body>
</html>1回答
同学你好,同学的Notice类中id属性的get和set方法有些问题,属性的get和set方法的方法名应该是get/set加上属性名,属性名首字母大写,如;

而同学写为了cid,如:

建议同学修改一下再试试。
如果我的回答解决了你的疑惑,请采纳。祝:学习愉快~
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