脚本宝典收集整理的这篇文章主要介绍了jsp6,脚本宝典觉得挺不错的,现在分享给大家,也给大家做个参考。
1 <%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> 2 <!DOCTYPE HTML > 3 <html> 4 <head> 5 <title>My JSP 'index.jsp' starting page</title> 6 </head> 7 <body> 8 <script> 9 function yz() { 10 if (form.user.value == "") { 11 alert('用户名不能为空'); 12 return; 13 } 14 if (form.password.value =="") { 15 alert('密码不能为空'); 16 return; 17 } 18 form.submit(); 19 } 20 </script> 21 <form action="index.jsp" method="post" name="form"> 22 <table> 23 <tr> 24 <td>用户名:</td> 25 <td><input type="text" name="user"></td> 26 </tr> 27 <tr> 28 <td>密码:</td> 29 <td><input type="password" name="password"></td> 30 </tr> 31 <tr> 32 <td><input type="button" value="登录" onclick="yz()"></td> 33 </tr> 34 </table> 35 </form> 36 </body> 37 </html>
1 <%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> 2 <!DOCTYPE HTML > 3 <html> 4 <head> 5 <title>My JSP 'index.jsp' starting page</title> 6 </head> 7 <body> 8 <% 9 String user = request.getParameter("user"); 10 String password = request.getParameter("password"); 11 if (user.equals(password)) { 12 session.setAttribute("user", user); 13 request.getRequestDispatcher("index1.jsp").forward(request, 14 response); 15 } else { 16 response.sendRedirect("Copy of index.jsp"); 17 } 18 %> 19 </body> 20 </html>
1 <%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> 2 <!DOCTYPE HTML > 3 <html> 4 <head> 5 <title>My JSP 'index.jsp' starting page</title> 6 </head> 7 <body> 8 <% 9 String user = (String) session.getAttribute("user"); 10 if (user == null) { 11 response.sendRedirect("Copy of index.jsp"); 12 } 13 %> 14 欢迎你<%=user%> 15 <a href="index2.jsp">退出登录</a> 16 <form action="index3.jsp" method="post"> 17 18 <table border="1" cellpadding="0" cellspacing="0" width="500"> 19 20 <thead> 21 <tr> 22 <th>商品名称</th> 23 <th>价格</th> 24 <th>加购</th> 25 </tr> 26 </thead> 27 <tbody> 28 <tr> 29 <td>篮球</td> 30 <td>299</td> 31 <td align="center"><input type="checkbox" name="sp" value="篮球"> 32 </td> 33 </tr> 34 <tr> 35 <td>足球</td> 36 <td>399</td> 37 <td align="center"><input type="checkbox" name="sp" value="足球"> 38 </td> 39 </tr> 40 <tr> 41 <td>羽毛球</td> 42 <td>2</td> 43 <td align="center"><input type="checkbox" name="sp" value="羽毛球"> 44 </td> 45 </tr> 46 <tr> 47 <td>乒乓球</td> 48 <td>1</td> 49 <td align="center"><input type="checkbox" name="sp" value="乒乓球"> 50 </td> 51 </tr> 52 <tr> 53 <td colspan="3"><input type="submit" value="加购"> 54 </td> 55 </tr> 56 </tbody> 57 </table> 58 </form> 59 </body> 60 <ml>
1 <%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> 2 <!DOCTYPE HTML > 3 <html> 4 <head> 5 <title>My JSP 'index.jsp' starting page</title> 6 </head> 7 <body> 8 <% 9 session.invalidate(); 10 response.sendRedirect("Copy of index.jsp"); 11 %> 12 </body> 13 </html>
1 <%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> 2 <!DOCTYPE HTML > 3 <html> 4 <head> 5 <title>显示购物车</title> 6 </head> 7 <body> 8 <% 9 request.setCharacterEncoding("utf-8"); 10 String[] sp = request.getParameterValues("sp"); 11 for (int i = 0; sp != null && i < sp.length; i++) { 12 out.print(sp[i] + "<br>"); 13 } 14 %> 15 </body> 16 </html>
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