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forEach 标签的使用

时间:2024-10-12 13:34:18

1、<%@ page language="java" contentType="text/html; charset=utf-8" pageEncoding="utf-8" import="java.util.*"%><%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %><html><head><style type="text/css">.row1{background-color: red}.row2{background-color: green}</style></head>

forEach 标签的使用

2、<body><table border="1px 衡痕贤伎solider red" style="稆糨孝汶;text-align: center;" cellspacing="0" cellpadding="10" width="50%"><thead><tr><td>count</td><td>index</td><td>姓名</td><td>年龄</td><td>分数</td></tr></thead><tbody ><c:forEach items="${users }" var="u" varStatus="s"><tr class="row${s.count%2+1 }"><td >${s.count }</td><td>${s.index }</td><td>${u.name }</td><td>${u.age }</td><td>${u.score }</td>

forEach 标签的使用

3、</tr></c:forEach><c:forEach items="${users }" var='u' varStatus="s"><tr><td>${s.count }</td><td>${s.index }</td><td>${u.name }</td><td>${u.age }</td><td>${u.score }</td></tr></c:forEach></tbody></table></body></html>

forEach 标签的使用

4、package bean;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;

forEach 标签的使用

5、/*** Servlet implementation class ActionServlet*/public class ActionServlet extends HttpServlet {//bootstrap3.Xprotected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {String path = request.getRequestURI();String action = path.substring(path.lastIndexOf("/"), path.lastIndexOf("."));

forEach 标签的使用

6、//System.out.println(action);if(action.equalsIgnoreCase("/f足毂忍珩indAll")){List<User> users = new ArrayList<User>();for(int i=0;i<15;i++){User user = new User();user.setAge(23+i);user.setName("zs"+i);user.setScore(67+i);users.add(user);}request.setAttribute("users", users);request.getRequestDispatcher("jstlDemo3.jsp").forward(request, response);}}}

forEach 标签的使用
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