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在Servlet中将JavaBean对象传递到JSP页
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在Servlet中将JavaBean对象传递到JSP页
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在Servlet中使用HttpServletREquest對象的getParameter()方法，setAttribute()方法和getAtribute()方法
setAttribute()在HttpServletRequest對象中保存一個屬性
getAttribute()方法來獲取屬性值
index.jsp頁面
UserInfo的JavaBean類
public class UserInfo {private String userName; //用戶名private String userPwd; //密碼private String userSex; //性別private int userAge; //年齡private String email; //電子郵件public UserInfo(){} //默認的構(gòu)造方法public String getUserName() {return userName;}public void setUserName(String userName) {this.userName = userName;}public String getUserPwd() {return userPwd;}public void setUserPwd(String userPwd) {this.userPwd = userPwd;}public String getUserSex() {return userSex;}public void setUserSex(String userSex) {this.userSex = userSex;}public int getUserAge() {return userAge;}public void setUserAge(int userAge) {this.userAge = userAge;}public String getEmail() {return email;}public void setEmail(String email) {this.email = email;} }PassServlet的Servlet類
public class PassServlet extends HttpServlet {public void doGet(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {this.doPost(request, response);}public void doPost(HttpServletRequest request, HttpServletResponse response)throws ServletException, IOException {request.setCharacterEncoding("UTF-8"); //設(shè)置請求的字符編碼格式String name = request.getParameter("name"); //獲取用戶名String pwd = request.getParameter("pwd"); //獲取密碼String sex = request.getParameter("sex"); //獲取性別String age = request.getParameter("age"); //獲取年齡String email = request.getParameter("email"); //獲取EmailUserInfo user = new UserInfo(); //創(chuàng)建封裝用戶信息的JavaBean對象//以下方法將獲得的表單數(shù)據(jù)封裝到user對象中user.setUserName(name);user.setUserPwd(pwd);user.setUserSex(sex);Integer userAge = new Integer(age);user.setUserAge(userAge);user.setEmail(email);request.setAttribute("User", user); //將user對象添加到request對象中//將請求轉(zhuǎn)發(fā)到logininfo.jsp頁面request.getRequestDispatcher("logininfo.jsp").forward(request, response);}}logininfo.jsp頁面
<%@ page language="java" import="java.util.*" pageEncoding="gb2312"%> <% String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; %><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html><head><base href="<%=basePath%>"><title>用戶注冊信息</title><meta http-equiv="pragma" content="no-cache"><meta http-equiv="cache-control" content="no-cache"><meta http-equiv="expires" content="0"> <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"><meta http-equiv="description" content="This is my page"><!--<link rel="stylesheet" type="text/css" href="styles.css">--><style type="text/css">table{font-size:12px;font-family: 隸書;color:gray;border: 1px green solid;}</style></head><body><table align="center"><tr><td>用戶名：</td><td><%=request.getParameter("name")%></td></tr><tr><td>密碼：</td><td><%=request.getParameter("pwd")%></td></tr><tr><td>性別：</td><td><%=request.getParameter("sex")%></td></tr><tr><td>年齡：</td><td><%=request.getParameter("age")%></td></tr><tr><td>Email：</td><td><%=request.getParameter("email")%></td></tr></table></body> </html>web.xml配置
<servlet><servlet-name>PassServlet</servlet-name><servlet-class>com.cn.zj.Servlet.PassServlet</servlet-class></servlet><servlet-mapping><servlet-name>PassServlet</servlet-name><url-pattern>/passservlet</url-pattern></servlet-mapping><welcome-file-list><welcome-file>index.jsp</welcome-file></welcome-file-list>總結(jié)
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