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我昨天的成就（完成了哪个任务，花了多少时间，还剩余多少时间）
- 完成登陆注册模块
- 连接数据库验证用户名与密码
- 花费近5+小时的时间
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遇到什么困难
- 注册登陆成功后页面跳转的问题
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jsp页面放在webapp目录下不容易出现路径错误，但是会出现访问错误
post提交可以直接提交servlet路径（web.xml已经设置好了路径）
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Servlet中判断登录失败时，如何向request域中设置登录失败消息
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Servlet中判断注册失败时，如何在request域中设置注册失败消息
package com.classnet.action; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.struts.action.ActionForm; import org.apache.struts.action.ActionForward; import org.apache.struts.action.ActionMapping; import org.apache.struts.actions.DispatchAction; import org.hibernate.criterion.DetachedCriteria; import org.hibernate.criterion.Restrictions; import com.classnet.dao.UserDao; import com.classnet.entity.UserEntity; public class RegAction extends DispatchAction{ private UserDao userDao; public void setUserDao(UserDao userDao) { this.userDao = userDao; } public ActionForward toreg(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { return mapping.findForward("succ"); } public ActionForward doreg(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { String username = request.getParameter("username"); String password = request.getParameter("password"); String email = request.getParameter("email"); UserEntity userEntity = new UserEntity(); userEntity.setUsername(username); userEntity.setPassword(password); userEntity.setEmail(email); userEntity.setAuthorite("ROLE_USER"); userEntity.setEnable(true); userDao.save_(userEntity); return mapping.findForward("regok"); } public ActionForward checkuser(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { String username = request.getParameter("username"); DetachedCriteria dc = DetachedCriteria.forClass(UserEntity.class); dc.add(Restrictions.eq("username", username)); UserEntity user = userDao.uniqueResult(dc); response.setCharacterEncoding("utf-8"); if(user==null){ response.getWriter().write("1"); } else{ response.getWriter().write("2"); } return null; } }
<%@ page language="java" pageEncoding="utf-8"%> <%@ include file="/WEB-INF/jsp/pub/include.jsp"%> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" lang="UTF-8"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>会员注册</title> <link href="<%=request.getContextPath()%>/css/default.css" rel="stylesheet" type="text/css" /> <link href="<%=request.getContextPath()%>/css/article.css" rel="stylesheet" type="text/css" /> <style type="text/css"> #regtable{line-height: 30px;} #regtable tr td{padding:4px;} </style> <script type="text/javascript" src="<%=request.getContextPath() %>/js/jquery.js"></script> <script type="text/javascript"> function checkUser(user){ if(user==""){ $("#usernamespan").html("用户名不能为空"); } else{ $.ajax({ type:"get", url:"<c:url value="/reg.do?m=checkuser"/>", data:"username="+user, success:function(msg){ if(msg=="1"){ $("#usernamespan").html(""); $("#userFlag").val("1"); } else{ $("#usernamespan").html("该用户名已经存在"); $("#userFlag").val("2"); } } }); } } function check(){ var num=0; if($("#username").val()==""){ $("#usernamespan").html("用户名不能为空"); num++; } else if($("#userFlag").val()=="2"){ $("#usernamespan").html("该用户名已经存在"); num++; } if($("#password").val()==""){ $("#passwordspan").html("密码不能为空"); num++; } if($("#password").val()!=$("#password1").val()){ $("#password1span").html("两次密码输入不一样"); num++; } if($("#email").val()==""){ $("#emailspan").html("邮箱不能为空"); num++; } else if(!/^([a-zA-Z0-9_])+@[a-zA-Z0-9_]+(.([a-zA-Z0-9_]+))+$/.test($("#email").val())){ $("#emailspan").html("邮箱格式不正确"); num++; } if(num>0){ return false; } } </script> </head> <body> <div class="wrap"> <!--头部定义开始--> <div id="header" class="main"> <jsp:include page="/WEB-INF/jsp/pub/header.jsp"></jsp:include> </div> <!--头部定义结束--> <div id="center_all" class="main"> <div id="main_bg"> <div id="main_right"> <div id="main_right_box"> <!-- 网站位置导航信息开始 --> <div class="r_navigation"> 您现在的位置： <a href="<c:url value="/"/>"><f:message key="site_name"/></a>>>用户注册 </div> <!-- 网站位置导航信息结束 --> <div class="c_spacing"></div> <div class="r_ad"> <img src="../classnet/images/rightAD1.jpg" /> </div> <div class="c_spacing"></div> <div class="c_main_box"> <div class="class_title"> <span class="childclass_pic"></span>用户注册 </div> <div class="class_content"> <form action="<c:url value="/reg.do?m=doreg"/>" method="post" style="margin:0" onsubmit="return check()"> <table width="100%" border="0" cellpadding="0" cellspacing="0" id="regtable"> <tr> <td width="60" align="right">用户名:</td> <td align="left"> <input type="text" name="username" id="username" maxlength="16" onchange="checkUser(this.value)"/> <span style="color:red" id="usernamespan"></span> <input type="hidden" name="userFlag" id="userFlag" /> </td> </tr> <tr> <td align="right">密码:</td> <td align="left"><input type="password" name="password" id="password" maxlength="16"/><span style="color:red" id="passwordspan"></span></td> </tr> <tr> <td align="right">重复密码:</td> <td align="left"><input type="password" name="password1" id="password1"/><span style="color:red" id="password1span"></span></td> </tr> <tr> <td align="right">邮箱:</td> <td align="left"><input type="text" name="email" id="email" maxlength="24"/><span style="color:red" id="emailspan"></span></td> </tr> <tr> <td colspan="2" align="center"> <span style="color:red">以上所有信息都必须先正确填写后才能继续下一步注册操作。</span> <br /> <input type="submit" value="提交" /> </td> </tr> </table> </form> </div> <div class="class_bot"></div> </div> </div> </div> <div id="sideBar"> <jsp:include page="/WEB-INF/jsp/userbox.jsp"></jsp:include> </div> </div> </div> <div class="clearbox"></div> <jsp:include page="/WEB-INF/jsp/pub/footer.jsp"></jsp:include> </div> </body> </html>
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今天的任务
- 管理员后台管理界面