jsp第五次作业
1
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html> <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="buy.jsp?id=A1001&price=8765">购买</a><br> 商品编号A1002,价格<%=price %> <a href="buy.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> <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 PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html> <body> <form action="computer.jsp" method=post name=form> 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> <body><%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.println("请输入数字字符"); } %> </body></html>
3
<body><script type="text/javascript">
function validate(){
if(loginForm.uname.value==""){
alert("账号不能为空!");
return;
}
if(loginForm.upwd.value==""){
alert("密码不能为空!");
return;
}
loginForm.submit();
}
</script>
<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>
<input type="button" value="登录" onClick="validate()">
</form>
</body></html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html> <body> <% request.setCharacterEncoding("utf-8");String uname=request.getParameter("uname"); String upwd=request.getParameter("upwd");if(uname.equals("admin")&&upwd.equals("123456")) request.getRequestDispatcher("ok.jsp").forward(request, response);else request.getRequestDispatcher("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> <body> <h1>登陆成功！！</h1> </body></html> <%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html> <body> <h1>登陆失败！！</h1><a href="login.jsp">去下一页面</a> </body></html>
4
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html> <body><script type="text/javascript"> function validate(){ if(loginForm.uname.value==""){ alert("账号不能为空!"); return; } if(loginForm.upwd.value==""){ alert("密码不能为空!"); return; } loginForm.submit(); } </script> <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="vip" value="Y"/>注册 <input type="checkbox" name="vip" value="N"/>再考虑考虑<br> <input type="button" value="登录" onClick="validate()"> </form> </body></html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html> <body> <% request.setCharacterEncoding("utf-8");String uname=request.getParameter("uname"); String upwd=request.getParameter("upwd");if(uname.equals("admin")&&upwd.equals("123456")) request.getRequestDispatcher("ok.jsp").forward(request, response);else request.getRequestDispatcher("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> <body> <h1>登陆成功！！</h1> <% String []vip=request.getParameterValues("vip"); for(int i=0;i<vip.length;i++){ if(vip[i].equals("Y")){ out.print("欢迎您注册为会员"); } } %> </body></html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html>
<body>
<h1>登陆失败！！</h1><a href="login.jsp">去下一页面</a>
</body></html>
5
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html> <body><form action="output.jsp" method="post"> 输入一个数字:<br><input type="text" name="num"><br> <input type="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> <body><% String num=request.getParameter("num"); int N=Integer.parseInt(num);for(int i=0;i<N;i++){ out.print("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> <body><script type="text/javascript"> function validate(){ if(loginForm.uacct.value==""){ alert("账号不能为空!"); return; } if(loginForm.upwd.value==""){ alert("密码不能为空!"); return; } loginForm.submit(); } </script> <form name="loginForm" action="dologin.jsp" method="post"> 用户名:<input type="text" name="uacct" ><br> 密码: <input type="password" name="upwd" > <br> <input type="button" value="登录" onClick="validate()"> </form> </body></html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html> <body> <% request.setCharacterEncoding("utf-8");String uacct=request.getParameter("uacct"); String upwd=request.getParameter("upwd");if(uacct.equals("admin")&&upwd.equals("123456")) request.getRequestDispatcher("page-2.jsp").forward(request, response);else request.getRequestDispatcher("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> <body> <% String uacct = request.getParameter("uacct"); %><form name="uname" action="page-3.jsp" method="post"> 用户姓名:<br><input type="text" name="uname"><br><input type="submit" value="提交"> <input name="uacct" type="hidden" value="<%=uacct%>"></form> </body></html>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html> <body> <% String uname=request.getParameter("uname"); String uacct=request.getParameter("uacct"); %> 账号:<%=uacct %><br> 姓名:<%=uname %> </body></html>
