firstaction.java

博客系统

package cn.com.blogonline;

import java.io.IOException;
import java.io.PrintWriter;
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;


public class FirstAction 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 {
		
        //利用hibernate查询热点博客和最新文章
		DbOperate	db=new DbOperate();
		List blogList=db.getBlogs(10);
		List artileList=db.getArticles(10);
		
		//设置输出信息的格式及字符集        
        response.setContentType("text/xml; charset=UTF-8");
        response.setHeader("Cache-Control", "no-cache");
        //创建输出流对象
        PrintWriter out = response.getWriter();
        //依据验证结果输出不同的数据信息
        out.println("<response>");		
		/*
		 * 输出热点博客
		 */        
		Blog curBlog=null;
		for (int i=0;i<blogList.size();i++){
			curBlog = (Blog)blogList.get(i);
	        out.println("<blog>");		
			out.println("<id>" + curBlog.getId() + "</id>");
			out.println("<name>" + curBlog.getSubject() + "</name>");
	        out.println("</blog>");		
		}
		/*
		 * 输出最新文章
		 */        
		Article curArticle=null;
		for (int i=0;i<artileList.size();i++){
			curArticle = (Article)artileList.get(i);
	        out.println("<article>");		
			out.println("<id>" + curArticle.getId() + "</id>");
			out.println("<title>" + curArticle.getTitle() + "</title>");
			out.println("<time>" + curArticle.getPubtime() + "</time>");
	        out.println("</article>");		
		}
		
		out.println("</response>");
		out.close();
    }

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