JSP第七周作业
<body bgcolor="#ffccff"> <% 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="my.jsp?id = A1001&price=8765">购买</a><br> 商品编号A1002,价格<%=price %> <a href="my.jsp?id = A1001&price=<%=price%>>">购买</a><br> </p> </body>
<body bgcolor="#eeeeff"> <p style="font-family: 宋体;font-size: 36;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>
<body bgcolor="#ffccff"> <form action="computer.jsp"> <p style="font-family: 宋体;font-size: 36;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>
<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("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 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>
<form action="judge.jsp"> 用户名:<input type="text" name="username"><br> 密 码:<input type="text" name="password"><br> <input type="submit" value="登录"> </form>
<% String username = request.getParameter("username"); String password = request.getParameter("password"); if("admin".equals(username) && "12345".equals(password)){ response.sendRedirect("wel.jsp"); } else if(username == null){ response.sendRedirect("defeat.jsp"); } else{ response.sendRedirect("defeat.jsp"); } %>
<body>
欢迎你，登录成功！
</body>
<body>
登陆失败！
</body>
<body>
<script>
function lg() {
if (form.user.value == "") {
alert("账号不能为空!");
return;
}
if (form.password.value == "") {
alert("密码不能为空!");
return;
}
if (form.validationCode.value == "") {
alert("验证码不能为空，请输入验证码");
form.validationCode.focus();
return;
}
if (form.validationCode.value != form.validationCode1.value) {
alert("请输入正确的验证码");
form.validationCode.focus();
return;
}
form.submit();
}
</script>
<%
int intmethod1 = (int) ((((Math.random()) * 5)) + 1);
int intmethod2 = (int) ((((Math.random()) * 5)) + 1);
int intmethod3 = (int) ((((Math.random()) * 5)) + 1);
int intmethod4 = (int) ((((Math.random()) * 5)) + 1);
String intsum = intmethod1 + "" + intmethod2 + intmethod3
+ intmethod4;
%>
<form action="login.jsp" method="post" name="form">
用户名:<input type="text" name="user" /> <br>
密码：<input type="password" name="password" /><br>
验证码：<input type="text" name="validationCode"
onKeyDown="if(event.keyCode==13){form.submit.focus();}" size="6">
<input type="button" name="validationCode1" size="1"
value="<%=intsum%>"><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="yz()" />
<br>
</form>
</body>
<body> <% request.setCharacterEncoding("utf-8"); String user = request.getParameter("user") == null ? "" : request.getParameter("user"); String password = request.getParameter("password") == null ? "": request.getParameter("password"); if (user.equals(password)) { request.getRequestDispatcher("03ok.jsp").forward(request, response); } else { request.getRequestDispatcher("03no.jsp").forward(request, response); } %> </body>
<body>
<h1>登陆成功</h1>
<%
request.setCharacterEncoding("utf-8");
String lg=request.getParameter("lg");
if(lg.equals("是")){
out.print("欢迎您注册为会员");
}
%>
</body>
<body>
<h1>登陆失败</h1>
<% request.setCharacterEncoding("utf-8");%>
</body>
<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>
<%@ 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>
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