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這個JSP頁面的62行根本沒實例化對象,連聲明都沒寫,為什么還可以執(zhí)行方法?

這個JSP頁面的62行根本沒實例化對象,連聲明都沒寫,為什么還可以執(zhí)行方法?

fenkapian 2016-10-06 20:37:21
<%@page?import="java.text.SimpleDateFormat"%> <%@page?import="cn.pb.news.entity.News"%> <%@?page?language="java"?import="java.util.*"?pageEncoding="UTF-8"%> <%@include?file="../../common/common.jsp"?%> <script?type="text/javascript"> var?flag?=?'${param.flag}'; if(flag?!=?null?&&?flag?!=?''?&&?flag?!=?undefined)?{ if(flag?==?'success')?{ alert('刪除成功'); }else?if(flag?==?'failed')?{ alert('刪除失敗'); } } function?addNews()?{ window.location?=?"newsDetailCreateSimple.jsp"; } </script> ??<div?class="main-content-right"> ????????<!--即時新聞--> ????????<div?class="main-text-box"> ????????????<div?class="main-text-box-tbg"> ????????????????<div?class="main-text-box-bbg"> ????????????????????<form?name?="searchForm"?id="searchForm"?action="/news/jsp/admin/newsDetailList.jsp"?method="post"> ? <div> ? 新聞分類: ? <select?name="categoryId"> ? <option?value="0">全部</option> ???????? ???????? <option?value='1'?>國內(nèi)</option> ???????? ???????? <option?value='2'?>國際</option> ???????? ???????? <option?value='3'?>娛樂</option> ???????? ???????? <option?value='4'?>軍事</option> ???????? ???????? <option?value='5'?>財經(jīng)</option> ???????? ???????? <option?value='6'?>天氣</option> ???????? ???????? </select> ? 新聞標題<input?type="text"?name="title"?id="title"?value=''/> ? <button?type="submit"?class="page-btn">GO</button> ? <button?type="button"?onclick="addNews();"?class="page-btn">增加</button> ? <input?type="hidden"?name="currentPageNo"?value="1"/> ? <input?type="hidden"?name="pageSize"?value="10"/> ? <input?type="hidden"?name="totalPageCount"?value="2"/> ? </div> ? </form> <table?cellpadding="1"?cellspacing="1"?class="admin-list"> <thead?> <tr?class="admin-list-head"> <th>新聞標題</th> ????????????????????????<th>作者</th> ????????????????????????<th>時間</th> ????????????????????????<th>操作</th> ????????????????????</tr> ????????????????</thead> ????????????????<% ???????????????? List<News>?newsList=newsService.getNewsList(); ???????????????? int?i=0; ???????????????? for(News?news:newsList){ ???????????????? i++; ????????????????%> ????????????????<tbody> ???????????????? <tr?<%if(i?%?2?!=?0){%>class="admin-list-td-h2"<%}?%>> ???????????????? <td><a?href='adminNewsView.jsp?id=2'><%=news.getTitle()?%></a></td> ???????????????? <td><%=news.getAuthor()%></td> ???????????????? <td><%=new?SimpleDateFormat("yyyy-MM-dd").format(news.getCreateDate())??%></td> ???????????????? <td> ???????????????? <a?href='adminNewsCreate.jsp?id=2'>修改</a> ???????????????? <a?href="javascript:if(confirm('確認是否刪除此新聞?'))?location='adminNewsDel.jsp?id=2'">刪除</a> ???????????????? </td> ???????????????? </tr>? ????????????????</tbody> ????????????????<% ???????????????? } ????????????????%> ????????????</table> ???????????<div?class="page-bar"> <ul?class="page-num-ul?clearfix"> <li>共7條記錄&nbsp;&nbsp;?1/2頁</li> <a?href="javascript:page_nav(document.forms[0],2);">下一頁</a> <a?href="javascript:page_nav(document.forms[0],2);">最后一頁</a>&nbsp;&nbsp; </ul> ?<span?class="page-go-form"><label>跳轉(zhuǎn)至</label> ?????<input?type="text"?name="inputPage"?id="inputPage"?class="page-key"?/>頁 ?????<button?type="button"?class="page-btn"?onClick='jump_to(document.forms[0],document.getElementById("inputPage").value)'>GO</button> </span> </div>? ????????</div> ???????</div> ???</div> ???</div> </div>
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1 回答

?
happyJared

TA貢獻7條經(jīng)驗 獲得超1個贊

這是jsp+servlet,加載頁面時通過反射配置在web.xml下的servlet就會自動執(zhí)行對應servlet下的方法

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反對 回復 2016-10-08
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