[JSP]用户注册

//----------------------userRegister.jsp
<%@ page contentType="text/html;charset=gb2312" %>
<%@ page import="java.util.*"%>
<html><head><title>userRegister.jsp</title>
<SCRIPT language=javaScript>
function   formcheck(Fm)
{  var flag=true;
   if(Fm.id.value=="") 
   {   alert("您没有输入帐号，请重新输入！");
          Fm.id.focus();
          flag=false;
   }  
   return  flag;
}
</SCRIPT>
</head>
<body>
<form name="Fm" method="post" action="registerSuccess.jsp" 
    onsubmit= " return formcheck(this)" >
<input name="id" type="text "  value= "" >
<input type="submit" name="Submit" value="提交" >
<input type="reset" name="Submit" value="重置">
</form>

</body>
</html>

//--------------registerSuccess.jsp
<%@ page contentType="text/html;charset=gb2312" %>
<%@ page import="java.util.*"%>
<html><head><title>registerSuccess.jsp</title></head>
<body>
<%
String id=request.getParameter("id").trim();
//String pwd=request.getParameter("password");
//String checkPwd=request.getParameter("checkPwd");
//String name=request.getParameter("name").trim();

if(id.equals("111"))
{
    response.sendRedirect("userRegister.jsp");
}
String  username =request.getParameter("id");
out.println("欢迎访问：");
 byte b[]= username.getBytes("ISO-8859-1");    
 String str=new String(b);
%>
<%=str%>


</body>
</html>