sendbookcomments.java

用最近的dojo1.2.1制作前端的ajax购书网站

package server.servlet;

import java.io.IOException;
import javax.servlet.ServletException;

import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.*;
import comment.*;


/**
 * @version 	1.0
 * @author
 */
public class SendBookComments extends HttpServlet {

	/**
	* @see javax.servlet.http.HttpServlet#void (javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)


	*/

comment cm=new comment();

private ArrayList readData(HttpServletRequest req,ArrayList data)
	{
			ArrayList array=new ArrayList();
			Map map=req.getParameterMap();
			
			for(int i=0;i<data.size();i++)
			array.add(((String[])map.get(data.get(i)))[0]);
			 
			return array;
	}
	
	private boolean readResult(HttpServletRequest req )
	{	ArrayList comments=new ArrayList();
		ArrayList data=new ArrayList();
		data.add("context");
		data.add("book_id");
		ArrayList result=readData(req,data);
//		cm.sendComment()
	 
	//	String temp=result.get(0).toString();
	 
	//	int temp1=Integer.parseInt(temp);
	//	comments=cm.readComment(result.get(1).toString(),temp);
	
	
	Date d=new Date();
	String date=d.toString();
	String ipdata=req.getRemoteAddr().toString();
	String id=result.get(1).toString();
	String context=result.get(0).toString();

	
return	cm.sendComment(id,ipdata,date,context);
		 
	}
		public StringBuffer returnResult(HttpServletRequest req)
		{
			StringBuffer str=new StringBuffer();
		str.append("{\n");
		str.append("result :");
		if(readResult(req)==true)
		str.append("true");
		else
		str.append("false");
		str.append("}");
		return str;
		}	


	public void doGet(HttpServletRequest req, HttpServletResponse resp)
		throws ServletException, IOException {
			StringBuffer str=returnResult(req);
			resp.getWriter().print(str.toString());
	
	
 

	}

	/**
	* @see javax.servlet.http.HttpServlet#void (javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
	*/
	public void doPost(HttpServletRequest req, HttpServletResponse resp)
		throws ServletException, IOException {
		doGet(req,resp);
		
	}

	/**
	* @see javax.servlet.GenericServlet#void ()
	*/
	public void init() throws ServletException {

		super.init();

	}

}