第七次作业 

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

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    
    <title>My JSP 'Work1_main.jsp' starting page</title>
   
  </head>
  
  <body>
     <%
    double price = 98.78;
     %>
     <p style = "font-family:宋体;font-size:18;color:blue">
     商品编号A1001,价格8765
     <a href = "Work1_receive.jsp?id=A1001&price=8765">购买</a><br>
     商品编号A1002,价格<%=price %>
      <a href = "Work1_receive.jsp?id=A1002&price=<%=price %>>">购买</a>
     </p>
  </body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>

    <title>My JSP 'Work1_receive.jsp' starting page</title>
    
  </head>
  
  <body>
   <p style = "font-family:宋体;font-size:18;color:blue">
    <%  
        String id=request.getParameter("id");
        String price=request.getParameter("price");
     %>
       商品编号:<%=id %><br>
       商品价格:<%=price %>  
   </p>
  </body>
</html>

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

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    
    <title>My JSP 'Work2_input.jsp' starting page</title>
    
  </head>
  
 <body bgcolor=#ffccff>
     <form action="Work2_computer.jsp" method=post name=form>
     <p style="font_family:宋体；font-size:18;color:blue">
     输入运算数，选择运算符号:<br>
    <input type=text name="numberOne"  size=6/>
    <select name="operator">
    <option selected="selected" value="+">加
    <option value="-">减
    <option value="*">乘
    <option value="/">除
    </select>
    <input type=text name="numberTwo" size=6 />
    <br><input type="submit" name="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>
    
    <title>My JSP 'Work2_computer.jsp' starting page</title>

  </head>
  
  <body>
  <%
          String numberOne = request.getParameter("numberOne");
          String numberTwo = request.getParameter("numberTwo");
          String operator = request.getParameter("operator");
         String submit = request.getParameter("submit");
  
      if(numberOne==null||numberOne.length()==0){
      response.sendRedirect("input.jsp");
  return; 
  }else if(numberTwo==null||numberTwo.length()==0){
  response.sendRedirect("input.jsp");
  return;
  }
  try{
  double a = Double.parseDouble(numberOne);
  double b = Double.parseDouble(numberTwo);
  double c = 0;
  if(operator.equals("+")){
   c=a+b;
   }else if(operator.equals("-")){
   c=a-b;
   }else if(operator.equals("*")){
   c=a-b;
   }else if(operator.equals("/")){
   c=a/b;
   }
  out.print(a+""+operator+""+b+"="+c);
  }catch(Exception e){
  out.print("请输入数字字符");
        } 
  %>
  </body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    
    <title>My JSP 'Work2_computer.jsp' starting page</title>

  </head>
  
  <body>
  <%
          String numberOne = request.getParameter("numberOne");
          String numberTwo = request.getParameter("numberTwo");
          String operator = request.getParameter("operator");
         String submit = request.getParameter("submit");
  
      if(numberOne==null||numberOne.length()==0){
      response.sendRedirect("input.jsp");
  return; 
  }else if(numberTwo==null||numberTwo.length()==0){
  response.sendRedirect("input.jsp");
  return;
  }
  try{
  double a = Double.parseDouble(numberOne);
  double b = Double.parseDouble(numberTwo);
  double c = 0;
  if(operator.equals("+")){
   c=a+b;
   }else if(operator.equals("-")){
   c=a-b;
   }else if(operator.equals("*")){
   c=a-b;
   }else if(operator.equals("/")){
   c=a/b;
   }
  out.print(a+""+operator+""+b+"="+c);
  }catch(Exception e){
  out.print("请输入数字字符");
        } 
  %>
  </body>
</html>

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

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
  <title>My JSP 'Work3_main.jsp' starting page</title>
  </head>
  
    <body>
     <script>

        function login() {
            if (form.user.value == "") {
                alert("账号不能为空!");
                return;
            }
            if (form.password.value == "") {
                alert("密码不能为空!");
                return;
            }

            form.submit();
        }
    </script>

    <form action="Work3_jump.jsp" method="post" name="form">
        用户名:<input type="text" name="user" /> <br>
        密码：<input type="password" name="password" /><br>
    <input type="submit" value="登录" onclick="login()" />
<br>  

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

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>  
    <title>My JSP 'Work3_jump.jsp' starting page</title>
    
  </head>
  
  <body>
  <%
      request.setCharacterEncoding("utf-8");
      
        String user =request.getParameter("user");
        String password =request.getParameter("password");
        
        if (user.equals(password)) {
            request.getRequestDispatcher("Work3_ok.jsp").forward(request, response);
        } else {
            request.getRequestDispatcher("Work3_no.jsp").forward(request, response);
        }
    %>
  </body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <title>My JSP 'Work3_ok.jsp' starting page</title>
  </head>

  <body>
  <% request.setCharacterEncoding("utf-8");%>
 登录成功<br>
  </body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <title>My JSP 'Work3_no.jsp' starting page</title>
  </head>
  
  <body>
  <% request.setCharacterEncoding("utf-8");%>
  登录失败<br>
  </body>
</html>

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

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <title>My JSP 'Work4_jump.jsp' starting page</title>

  </head>
  
  <body>
  <%
      request.setCharacterEncoding("utf-8");
      
        String user =request.getParameter("user");
        String password =request.getParameter("password");
        
        if (user.equals(password)) {
            request.getRequestDispatcher("Work4_ok.jsp").forward(request, response);
        } else {
            request.getRequestDispatcher("Work4_no.jsp").forward(request, response);
        }
    %>
  
  </body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <title>My JSP 'Work4_login.jsp' starting page</title>
  </head>
  
  <body>
      <script>

        function login() {
            if (form.user.value == "") {
                alert("账号不能为空!");
                return;
            }
            if (form.password.value == "") {
                alert("密码不能为空!");
                return;
            }

            form.submit();
        }
    </script>

    <form action="Work4_jump.jsp" method="post" name="form">
        用户名:<input type="text" name="user" /> <br>
        密码：<input type="password" name="password" /><br>
                是否注册会员：<input type="radio" name="lg" value="是" />是
                <input type="radio" name="lg" value="否" />否 <br>           
            <input type="submit" value="登录" onclick="login()" />
<br>   
    </form>
  </body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<%
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>
   
    <title>My JSP 'Work4_no.jsp' starting page</title>
    
  </head>
  
  <body>
     <% request.setCharacterEncoding("utf-8");%>
     登录失败<br>
  </body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <title>My JSP 'Work4_ok.jsp' starting page</title>
  </head>
  
  <body>
   <%
    request.setCharacterEncoding("utf-8");
        String lg=request.getParameter("lg");
        if(lg.equals("是")){
            out.print("欢迎您注册为会员");
        }
        %>
        登录成功<br>
  </body>
</html>

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

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>  
    <title>My JSP 'Work5_main.jsp' starting page</title>
  </head>
  
  <body>
    <form action="Work5_huanying.jsp" method="post">
  <input  type="text" name="num"  />
  <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>
    <title>My JSP 'Work5_huanying.jsp' starting page</title> 
  </head>
  
  <body>
    <%
  String string=request.getParameter("num");
  int i=string==null? -1:Integer.parseInt(string);
  for(int j=0;j<i;j++){
  out.print("欢迎"+"<br>");
  }
   %>
  </body>
</html>

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

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    
    <title>My JSP 'Work6_login.jsp' starting page</title>
   
  </head>
  
  <body>
     <script>
        function login() {
            if (form.user.value == "") {
                alert("账号不能为空!");
                form.user.focus();
                return;
            }
            if (form.password.value == "") {
                alert('密码不能为空!');
                form.password.focus();
                return;
            }
            if(form.user.value==form.password.value){
            form.submit();
            }else{
            alert('登陆失败');
            form.password.focus();
            return;
            }
        }
    </script>

    <form action="Work6_jump.jsp" method="post" name="form">
       账号：<input type="text" name="admin" /> <br>
        密码：<input type="password" name="password" /><br>
        <input type="submit" value="登录" onclick="login()" />
    </form>
  </body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    
    <title>My JSP 'Work6_jump.jsp' starting page</title>

  </head>
  
  <body>
    <%
      request.setCharacterEncoding("utf-8");
      
        String admin = request.getParameter("admin");
        String password = request.getParameter("password");
        
        if (admin.equals(password)) {
            request.getRequestDispatcher("Work6_ok.jsp").forward(request, response);
        } else {
            request.getRequestDispatcher("Work6_no.jsp").forward(request, response);
        }
    %>
  </body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    
    <title>My JSP 'Work6_ok.jsp' starting page</title>
    
  </head>
  
  <body>
      登录成功！<br>
    <%
    String admin = request.getParameter("admin");
     %>
    <form action="Work6_text.jsp">
        用户名：<input type="text" name="uname"> <input type="submit"value="提交"> 
        <input name="admin" type="hidden"value="<%= admin %>">
    </form>
  </body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    
    <title>My JSP 'Work6_no.jsp' starting page</title>
    
  </head>
  
  <body>
     登录失败<br>
  </body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
   
    <title>My JSP 'Work6_text.jsp' starting page</title>
       
  </head>
  
  <body>
    <%
  request.setCharacterEncoding("utf-8");
  String admin=request.getParameter("admin");
  String uname=request.getParameter("uname");
  out.print("用户名："+uname+"<br>"+"账号："+admin);
  %>
  
  </body>
</html>

 

posted @ 2022-04-17 18:18  w-j  阅读(48)  评论(0)    收藏  举报