openblogaction.java

ajax+jsp打造的Blog源码,运行环境：eclipse+tomcat5.5

package cn.com.blogonline;

import java.io.IOException;
import java.util.ArrayList;
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;


public class OpenBlogAction 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 blogId = request.getParameter("blogid");
		int iBlogId =  Integer.parseInt(blogId);
		
		/*
		 *左侧框架页信息设置
		 */
	    HttpSession session = request.getSession(true);
		DbOperate	db=new DbOperate();
		
		Blog blog = db.getBlog(iBlogId);
		blog.setVisitcount(blog.getVisitcount() + 1);
		db.update(blog);
		session.setAttribute(Constants.VISIT_BLOG_KEY,blog);
		
		List sortList=db.getBlogSorts(iBlogId);
		session.setAttribute(Constants.SORT_LIST_KEY,sortList);
		
		List linkList=db.getBlogLinks(iBlogId);
		session.setAttribute(Constants.LINK_LIST_KEY,linkList);

		List articleList=db.getBlogArticles(iBlogId,0);
	    /*
	     * 分页显示
	     */
    	List  dispList=new ArrayList();
    	for (int i=0;i<articleList.size();i++){
			if (i<Constants.ARTICLE_PAGE_SIZE){
				dispList.add(articleList.get(i));
			}
    	}
		session.setAttribute(Constants.ARTICLE_LIST_KEY,dispList);
//		session.setAttribute(Constants.CUR_BLOGID_KEY,new Integer(iBlogId));
		session.setAttribute(Constants.CUR_PAGEID_KEY,new Integer(0));
		session.setAttribute(Constants.CUR_SORTID_KEY,new Integer(0));

		response.sendRedirect("/BlogOnline/blogMain.jsp");
        
    }
}