jsp第七次作业

1.

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
        
  </head>
  
  <body>
  <% double price=98.78; %>
  商品编号 A1001,价格8765
  <a href="bbb.jsp?id=A1001&price=8765">购买</a><br>
  商品编号 A1002,价格 <%=price %>
  <a href="bbb.jsp?id=A1002&price=<%=price %>">购买</a><br>
  </body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
        
  </head>
  
  <body>
  <% 
  String id=request.getParameter("id"); 
  String price=request.getParameter("price"); %>
  商品编号:<%=id %><br>
  商品价格:<%=price %><br>
  </body>
</html>

 

 

 

 

 

 

2.

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
        
  </head>
  
  <body>
  <form action="ddd.jsp" >
  输入运算数,选择运算符号:<br>
 <input type="text" name="numberone">
  <select name="operator">
  <option selected="selected" value="+">+
  <option value="-">-
  <option value="*">*
  <option value="/">/
  </select>
  <input type="text" name="numbertwo"><br>
   <input type="submit" name="submit" value="提交"><br>
   
   </form>
  </body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
        
  </head>
  
  <body>
  <%
  String numberone=request.getParameter("numberone");
  String numbertwo=request.getParameter("numbertwo");
  String operator=request.getParameter("operator");
  if(numberone==null||numberone.length()==0){
  response.sendRedirect("ccc.jsp");
  return;
  }
  try{
  double a=Double.parseDouble(numberone);
   double b=Double.parseDouble(numbertwo);
   double r=0;
   if(operator.equals("+")){r=a+b;}
   else if(operator.equals("-")){r=a-b;}
   else if(operator.equals("*")){r=a*b;}
   else if(operator.equals("/")){r=a/b;}
   out.print(a+""+operator+""+b+"="+r);
  }
  catch(Exception e){
  out.print("请输入数字字符");
  }
   %>
  </body>
</html>

 

 

 

 

 

3.

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
        
  </head>
  
  <body>
  <script type="text/javascript">
        function validate() {
            if (loginForm.account.value == "") {
                alert("账号不能为空!");
                return;
            } else if (loginForm.password.value == "") {
                alert("密码不能为空!");
                return;
            }
            loginForm.submit();
        }
    </script>
  <form action="fff.jsp" >
  
  用  户  名: <input type="text" name="uname"><br>&nbsp&nbsp&nbsp&nbsp&nbsp     码:    <input type="password" name="upwd"><br>
 <input type="submit" value="提交">
</form>

  </body>
</html>

 

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>      
  </head>
  <body>
  <%
  request.setCharacterEncoding("utf-8");
  String uname=request.getParameter("uname");
  String upwd=request.getParameter("upwd");
  
  if(uname.equals(upwd)){
  request.getRequestDispatcher("ok.jsp").forward(request,response);
  }
  else{
  response.sendRedirect("no.jsp");
  }
 
   %>
  </body>
</html>

 

 

4.

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
        
  </head>
  
  <body>
  <script type="text/javascript">
        function validate() {
            if (loginForm.account.value == "") {
                alert("账号不能为空!");
                return;
            } else if (loginForm.password.value == "") {
                alert("密码不能为空!");
                return;
            }
            loginForm.submit();
        }
    </script>
  <form action="hhh.jsp" >
  
  用  户  名: <input type="text" name="uname"><br>&nbsp&nbsp&nbsp&nbsp&nbsp     码:    <input type="password" name="upwd"><br>
  <input type="checkbox" name="check">注册会员
    <input type="checkbox" name="nocheck">跳过
 <input type="submit" value="提交">
</form>
  </body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>    
  </head> 
  <body>
  <%
  request.setCharacterEncoding("utf-8");
  String uname=request.getParameter("uname");
  String upwd=request.getParameter("upwd");
  String check=request.getParameter("check");
  String nocheck=request.getParameter("check");

  if(uname.equals(upwd)){
  out.println("登陆成功");
  if(check.equals("on"))out.print("欢迎您注册会员");
  else if(nocheck.equals("on"))out.print("欢迎使用");
     
  }
  else{
  out.println("登陆失败"); 
       }
   %>
 
 
  </body>
</html>

 

 5.

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
        
  </head>
  
  <body>
  <form action="jjj.jsp" >
  
  请输入一个数字 <input type="text" name="num"><br>
 
 <input type="submit" value="提交">
</form>
  </body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
        
  </head>
  
  <body>
  <%
  request.setCharacterEncoding("utf-8");
  String num=request.getParameter("num");
  double n=Double.parseDouble(num);
  for(int i=0;i<n;i++){
  out.println("欢迎");}
  
   %>
 
 
  </body>
</html>

 

 

 

 6.

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
        
  </head>
  
  <body>
  <script >
  function validate() {
            if (loginForm.account.value == "") {
                alert("账号不能为空!");
                return;
            } else if (loginForm.password.value == "") {
                alert("密码不能为空!");
                return;
            }
            loginForm.submit();
        }
    </script>
  <form action="lll.jsp" >
  
 账号: <input type="text" name="uname"><br>
 密码: <input type="password" name="upwd"><br>
 <input type="submit" value="提交">
</form>

  </body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
        
  </head>
  
  <body>
  <%
  request.setCharacterEncoding("utf-8");
  String uname=request.getParameter("uname");
  String upwd=request.getParameter("upwd");
  if (uname.equals(upwd)) {
            request.getRequestDispatcher("mmm.jsp").forward(request,
                    response);
        } else {
            response.sendRedirect("no.jsp");
        }
  
   %>
 
 
  </body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
        
  </head>
  
  <body>
  <%
  request.setCharacterEncoding("utf-8");
  String uname=request.getParameter("uname");
  
  
   %><br>
   <form action="nnn.jsp" >
 用  户  名: <input type="text" name="name"><br>
  
 <input type="submit" value="提交">
 <input name="uname" type="hidden" value="<%=uname%>">
 </form>
  </body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>


<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
        
  </head>
  
  <body>
   <%
  request.setCharacterEncoding("utf-8");
  String uname=request.getParameter("uname");
  String name=request.getParameter("name");
  out.print("账号是"+uname+",密码是"+name);
  out.print(name);

   %>
  </body>
</html>

 

 

 

 
posted @ 2022-04-17 18:02  陈杭威  阅读(7)  评论(0编辑  收藏  举报