<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %>
<%--
Date: 11/28/18 : 10:55 AM
--%>
<%@ page import="cc.openhome.model.UserService" %>
<%@ page import="java.text.DateFormat" %>
<%@ page import="java.util.Locale" %>
<%@ page import="java.util.List" %>
<%@ page import="cc.openhome.model.Blah" %>
<%
/*
String username = (String) request.getSession().getAttribute("login");
Blah blah = new Blah();
blah.setUsername(username);
*/
%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<meta content="text/html;charset=UTF-8" http-equiv="Content-Type">
<title>微博</title>
<link rel="stylesheet" href="css/member.css" type="text/css">
</head>
<body>
<div class="leftPanel">
<img src="img/mi.png" alt="微博" width="120" height="100"/>
<br><br>
<a href='logout.do?username="${sessionScope.login}"'>
注销${sessionScope.login}
</a>
</div>
<form method="post" action="message.do">
分享新鲜事...<br>
<c:if test="${requestScope.blabla != null}">
信息要在140 字以内
</c:if>
<textarea cols="60" rows="4" name="blabla">
${ requestScope.blabla }</textarea><br>
<button type="submit">送出</button>
</form>
<table style="text-align: left;width: 510px; height: 80px;"
border="0" cellpadding="2" cellspacing="2">
<thead>
<tr>
<th><hr></th>
</tr>
</thead>
<tbody>
<%
/*
UserService userService = (UserService) application.getAttribute("userService");
List<Blah> blahs = userService.getBlahs(blah);
*/
%>
<c:forEach var="blah" items="${requestScope.blahs}">
<tr>
<td style="vertical-align: top">${blah.username}<br>
<c:out value="${blah.txt}"/><br>
<fmt:formatDate value="${blah.date}" type="both"
dateStyle="full" timeStyle="full"/>
<a href="delete.do?message=${blah.date.time}">删除</a>
<hr>
</td>
</tr>
</c:forEach>
</tbody>
</table>
<hr style="width: 100px; height: 1px">
</body>
</html>
程序运行进入到上面jsp中,进行单步调试,首次直接跳过 ,而是等待送出,前端页面的submit后才执行下面的代码,
对于 删除,前端页面点击了删除后,又必须
点击submit 提交后更新的信息才能出来,
刚接触这一块知识,对于这个处理流程不明白,为什么是这个样子的,
请路过的大神指点一下!不胜感激
