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>
<title></title>
</head>


  <body>
<% double price=98.78;
 %>
 <p style="font-family:宋体;font-size:36;color:blue">
 商品编号A1001,价格8765
 <a href="circle.jsp?id=A1001&price=8765">购买</a><br>
  商品编号A1002,价格<%=price %>
 <a href="circle.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></title>
</head>
  <body>
<p style="font-family:宋体;font-size:36;color:blue">
<%
String id=request.getParameter("id"); 
String price=request.getParameter("price"); 
%>

<b>商品编号:<%=id %><br>
商品价格:<%=price %>
</p>
  </body>
</html>

 

2.

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<!DOCTYPE HTML >
<html>
<head>
<title>My JSP 'index.jsp' starting page</title>
</head>
<body bgcolor="#ffccff">
    <form action="index1.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:<br> <input type="text" name="num1" size=6 /> <select
                name="oper">
                <option selected="selected" value="+"><option value="-"><option value="*"><option value="/"></select>
            <input type="text" name="num2" size=6 />
             <input type="submit"  value="提交">
                </p>
    </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 'index.jsp' starting page</title>
</head>
<body bgcolor=cyan>
    <p style="font-family:宋体;font-size:18;color:black">
        <%
            String numberOne = request.getParameter("numberOne");
            String numberTwo = request.getParameter("numberTwo");
            String operator = request.getParameter("operator");
            if (numberOne == null || numberOne.length() == 0) {
                response.sendRedirect("index.jsp");
                return;
            }
            try {
                double m = Double.parseDouble(numberOne);
                double n = Double.parseDouble(numberTwo);
                double r = 0;
                if (operator.equals("+"))
                    m = m + n;
                else if (operator.equals("-"))
                    m = m - n;
                else if (operator.equals("*"))
                    m = m * n;
                else if (operator.equals("/"))
                    m = m / n;
                out.print(m + "" + operator + "" + n + "=" + 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"%>

<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="aa.jsp" name="loginForm" method="post">
        输入账号:<input name="account" type="text" /><br> 
        输入密码:<input name="password" type="password" /><br>
        <input type="button" value="登录"onClick="validate()">
    </form>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="ISO-8859-1"%>

<html>

  </head>
  
  <body>
  <%
  String account=request.getParameter("account");
  String password=request.getParameter("password");
  if(account.equals(password)){
  request.getRequestDispatcher("ok.jsp").forward(request,response);
  }
  else{
  response.sendRedirect("no.jsp");
  }
   %>
  </body>
</html>

 

 

 

 4.

<form name="loginForm" action="dologin.jsp" method="post">
        用户名:<input type="text" name="uname"><br> 密码: <input
            type="password" name="upwd"> <br> 是否注册为会员:<input
            type="checkbox" name="member" value="注册">注册 <input
            type="checkbox" name="member" value="不注册">不注册<br> <input
            type="button" value="登录" onClick="validate()">

    </form>

 

 

5.

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<!DOCTYPE HTML >
<html>
  <head>
    <title>My JSP 'index.jsp' starting page</title>
  </head>
  <body>
  <form action="index1.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 >
<html>
  <head>
    <title>My JSP 'index.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>

 

 

 

6.

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<!DOCTYPE HTML >
<html>
<head>
<title>My JSP 'index.jsp' starting page</title>
</head>
<body>
    <script>
        function yz() {
            if (form.zh.value == "") {
                alert("用户名不能为空!");
                form.zh.focus();
                return;
            }
            if (form.password.value == "") {
                alert('密码不能为空!');
                form.password.focus();
                return;
            }
            if(form.zh.value==form.password.value){
            form.submit();
            }else{
            alert('登陆失败');
            form.password.focus();
            return;
            }
        }
    </script>

    <form action="index1.jsp" method="post" name="form">
        <table>
            <tr>
                <td>账号</td>
                <td><input type="text" name="zh" />
                </td>
            </tr>
            <tr>
                <td>密码</td>
                <td><input type="password" name="password" />
                </td>
            </tr>
            <tr>
                <td><input type="button" value="登录" onclick="yz()" />
                </td>
            </tr>
        </table>
    </form>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<!DOCTYPE HTML >
<html>
<head>
<title>My JSP 'index.jsp' starting page</title>
</head>
<body>
<%
String zh=request.getParameter("zh");
 %>

    <form action="index2.jsp" method="post">
        <input type="text" name="name" /> 
        <input type="submit" value="提交" />
        <input type="hidden" name="zh" value="<%=zh %>"/>
    </form>
    
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<!DOCTYPE HTML >
<html>
  <head>
    <title>My JSP 'index.jsp' starting page</title>
  </head>
  <body>
  <%
  request.setCharacterEncoding("utf-8");
  String zh=request.getParameter("zh");
  String name=request.getParameter("name");
  out.print("用户姓名:"+name+"<br>"+"用户账号:"+zh);
  %>
  
  
  </body>
</html>

 

 

posted @ 2022-04-17 17:51  叶鑫宇  阅读(3)  评论(0编辑  收藏  举报