📄 checkregister.jsp

📁 毕业设计时做的,一个管理关于污染管理的, 源代码,呵呵想想当时还真厉害,可以实现污染检测

💻 JSP

字号:

<HTML>
<BODY>
<%@ page import="java.util.*, java.sql.*"
	contentType="text/html;charset=GB2312" %>
<jsp:useBean id="pool" scope="application" class="chapter10.ConnPool"/>
<%String name=new String(request.getParameter("name").getBytes("ISO8859_1"),"GBK");
  String password1=new String(request.getParameter("password1").getBytes("ISO8859_1"),"GBK");
  String password2=new String(request.getParameter("password2").getBytes("ISO8859_1"),"GBK");
  String email=request.getParameter("email");
  boolean valid=true;
  String err="";
%>
<%@ include file="conn.jsp"%>
<%
sql="select ID from Users where Name='"+name+"'";
ResultSet rs=statement.executeQuery(sql);
if (rs.next()){
	err+="该用户名已经存在，请更换用户名！<br>";
	valid=false;
}else if (name.equals("")||password1.equals("")||password2.equals("")||email.equals("")){
	err+="用户名、电子邮箱、密码和密码确认都不能为空！<br>";
	valid=false;
}else if (!password1.equals(password2)){
	err+="两次输入的密码不同！<br>";
	valid=false;
}else{
	sql="insert into Users (Name,Password,Email,IsAdmin,Disable) values ('"
		+name+"','"+password1+"','"+email+"',false,false)";
	statement.executeUpdate(sql);
}%>
<%@ include file="disconn.jsp"%>
<%if (valid) {
	response.sendRedirect("login.html");
}else{%>
	<%=err%>
	<a href="javascript:history.back();">返回</a>
<%}%>
</BODY>
</HTML>

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