adminarticleaction.java

用java开发的blog

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;
import javax.servlet.http.HttpSession;


public class AdminArticleAction 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 action = request.getParameter("action");		
		String articleid = request.getParameter("articleid");
		String sortid = request.getParameter("sortid");
		
		int iSortId = 0;
		if (sortid!=null) {
			iSortId = Integer.parseInt(sortid);
		}
	    HttpSession session = request.getSession(true);
		Blog blog = (Blog)session.getAttribute(Constants.LOGIN_USER_KEY);
	    
		//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>");		
        /*
         * 执行数据库操作并返回结果
         */
		DbOperate	db=new DbOperate();
        if ("load".equals(action)){
    		List sortList=db.getBlogSorts(blog.getId());
        	for (int i=0;i<sortList.size();i++){
    			Sort sort =	(Sort)sortList.get(i);
    	        out.println("<sort>");		
    			out.println("<id>" + sort.getId() + "</id>");
    			out.println("<name>" + sort.getName() + "</name>");
    	        out.println("</sort>");		
     	    }
    		List artList=db.getBlogArticles(blog.getId(),iSortId);
        	for (int i=0;i<artList.size();i++){
    			Article article =	(Article)artList.get(i);
    	        out.println("<article>");		
    			out.println("<id>" + article.getId() + "</id>");
    			out.println("<name>" + article.getTitle() + "</name>");
    			out.println("<time>" + article.getPubtime() + "</time>");
    	        out.println("</article>");		
     	    }
        }
        if ("show".equals(action)){
    		List artList=db.getBlogArticles(blog.getId(),iSortId);
        	for (int i=0;i<artList.size();i++){
    			Article article =	(Article)artList.get(i);
    	        out.println("<article>");		
    			out.println("<id>" + article.getId() + "</id>");
    			out.println("<name>" + article.getTitle() + "</name>");
    			out.println("<time>" + article.getPubtime() + "</time>");
    	        out.println("</article>");		
     	    }
        }
        else if ("delete".equals(action)){
        	Article article = db.getArticle(Integer.parseInt(articleid));
    		db.delete(article);
    		out.println("<id>" + articleid + "</id>");
        }
		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);
	}
    
    
}