clientvalidate.java

java web开发宝典源代码

package com.yxq.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.yxq.bean.Change;
import com.yxq.bean.UserInfo;

public class ClientValidate implements Filter {
	FilterConfig filterconfig=null;

	public void destroy() {
		this.filterconfig=null;		
	}

	public void doFilter(ServletRequest Srequest, ServletResponse Sresponse,FilterChain chain) throws IOException, ServletException {
		HttpServletRequest request=(HttpServletRequest)Srequest;
		HttpServletResponse response=(HttpServletResponse)Sresponse;
		RequestDispatcher rd=null;
		
		String rdpath="";
		String action=request.getParameter("type");
		if(action==null)
			action="";
		if((action.equals("clientInsert")||(action.equals("doUpdate")))){
			if(action.equals("clientInsert"))
				rdpath="/pages/client/ClientAdd.jsp";
			else
				rdpath="/pages/client/ClientModify.jsp";
			
			UserInfo user=new UserInfo();			
			String userName=Change.ChangeEncoding(request.getParameter("userName"));
			String trueName=Change.ChangeEncoding(request.getParameter("trueName"));
			String userPwd=Change.ChangeEncoding(request.getParameter("userPwd"));
			String aginPwd=Change.ChangeEncoding(request.getParameter("aginPwd"));
			String userEmail=Change.ChangeEncoding(request.getParameter("userEmail"));
			String userPhone=Change.ChangeEncoding(request.getParameter("userPhone"));
			String address=Change.ChangeEncoding(request.getParameter("address"));
			
			user.setUserId(userName);
			user.setUserName(trueName);
			user.setUserPwd(userPwd);
			user.setAginPwd(aginPwd);
			user.setUserEmail(userEmail);
			user.setUserPhone(userPhone);
			user.setUserAddr(address);
			request.setAttribute("user",user);
			
			String message="";
			boolean mark=true;
			if(userName==null||userName.equals("")){
				mark=false;
				message+="<li>请输入 用户名！</li><br><br>";
			
			}
			if(trueName==null||trueName.equals("")){
				mark=false;
				message+="<li>请输入 真实姓名！</li><br><br>";
			}
			if(userPwd==null||userPwd.equals("")){
				mark=false;
				message+="<li>请输入 密码！</li><br><br>";
			}
			if(aginPwd==null||aginPwd.equals("")){
				mark=false;
				message+="<li>请输入 确认密码！</li><br><br>";
			}
			if(userEmail==null||userEmail.equals("")){
				mark=false;
				message+="<li>请输入 电子邮箱！</li><br><br>";
			}
			if(userPhone==null||userPhone.equals("")){
				mark=false;
				message+="<li>请输入 电话号码！</li><br><br>";
			}
			if(address==null||address.equals("")){
				mark=false;
				message+="<li>请输入 详细住址！</li>";
			}
			if(!mark){
				request.setAttribute("message",message);
				rd=request.getRequestDispatcher(rdpath);
				rd.forward(request,response);
			}
			else{
				String emailRegex="\\w+([-+.]\\w+)*@\\w+([-.]\\w+)*\\.\\w+([-.]\\w+)*";
				if(!userPwd.equals(aginPwd)){
					mark=false;
					message+="<li>两次输入密码不同！</li><br><br>";
				}
				if(!userEmail.matches(emailRegex)){
					mark=false;
					message+="<li>Email格式不正确！</li><br><br>";
				}
				try{
					Long.parseLong(userPhone);
				}catch(Exception e){
					mark=false;
					message+="<li>电话号码格式不正确！</li>";
				}
				if(!mark){
					request.setAttribute("message",message);
					rd=request.getRequestDispatcher(rdpath);
					rd.forward(request,response);					
				}
				else
					chain.doFilter(request,response);
			}
		}
		else 
			if(action.equals("dosearch")){
				String subsql=request.getParameter("subsql");
				String sqlvalue=request.getParameter("sqlvalue");
				boolean mark=true;
				if(subsql==null||subsql.equals("")){
					mark=false;
					request.setAttribute("SearchSql","请输入查询类型！");				
				}
				if(sqlvalue==null||sqlvalue.equals("")){
					mark=false;
					request.setAttribute("SearchValue","请输入要查询关键字！");
				}
				if(!mark){
					rd=request.getRequestDispatcher("/pages/client/ClientSearch.jsp");
					rd.forward(request,response);
				}
				else{
					chain.doFilter(request,response);
				}
		    }
		else
			chain.doFilter(request,response);

	}

	public void init(FilterConfig filterconfig) throws ServletException {
		this.filterconfig=filterconfig;
	}
}