registaction.java

本博客系统是在J2EE平台上用Hibernate框架技术和MVC模式构建

package com.blog;

import java.io.IOException;
import java.util.List;

import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import com.blog.tableclass.*;

public class RegistAction extends HttpServlet {
    
	public void init(ServletConfig config) throws ServletException {
    }
    
    /*
     *  处理<GET> 请求方法.
     */
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
    	//设置接收信息的字符集
    request.setCharacterEncoding("UTF-8");
    	//接收浏览器端提交的信息
	String uname = request.getParameter("username");
	String psw = request.getParameter("password");	
	String subject = request.getParameter("subject");
	byte str[]=subject.getBytes("ISO-8859-1"); 
	subject=new String(str);	
	String email = request.getParameter("email");	
	String name="所有文章";

	if(uname!="")
	{
		OperateDatabase	db=new OperateDatabase();
		List blogList=db.allBlog();
		Blog existBlog=null;
		int flag=0;
		if(blogList!=null)
		{
			for(int i = 0;i < blogList.size();i++)
			{
				existBlog=(Blog)blogList.get(i);
				if(existBlog.getUsername()==uname){
					flag=1;
				}
				else {
					flag=0;
				}
			}
		}
       /*
        * 保存信息
        */
		if(flag==0){
			Blog blog=new Blog();		
			blog.setUsername(uname);
			blog.setPassword(psw);
			blog.setSubject(subject);
			blog.setEmail(email);
			blog.setImage("head1.jpg");
			db.save(blog);
			HttpSession session = request.getSession(true);
			session.setAttribute(Constants.LOGIN_USER_KEY,blog);
			Sort sort =new Sort();
        	sort.setName(name);
        	sort.setBlogid(blog.getId());
    		db.save(sort);
			response.sendRedirect("/NewBlog/successRegist.jsp");
		}
		else{
			response.sendRedirect("/NewBlog/error.jsp");
		}
	}
	else
	{
		response.sendRedirect("/NewBlog/error.jsp");
	}
	
    }

	protected void doPost(HttpServletRequest arg0, HttpServletResponse arg1) throws ServletException, IOException {
		// TODO 自动生成方法存根
		this.doGet(arg0,arg1);
	}
    
    
}