getcontent.java

JSP Ajax开发实例 技术平台：Tomcat 5.0服务器； 开发工具：Eclipse＋Lomboz、EditPlus开发工具

package cn.ajax;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import cn.ajax.db.DBConnect;

public class getContent extends HttpServlet{
	private static final long serialVersionUID = 1L;
	public void doPost(HttpServletRequest request,HttpServletResponse response) throws ServletException, java.io.IOException{
		PrintWriter out = response.getWriter();
		StringBuffer buf = new StringBuffer();
		String tagId = request.getParameter("tagId");
		String str = "select * from contents where tagId="+tagId;
		try{
			DBConnect dbconnect = new DBConnect();
			dbconnect.excuteQuery(str);
			buf.append("");
			if(dbconnect.next()){
				buf.append("<div>title:"+dbconnect.getString("title")+"description:"+dbconnect.getString("description")+"</div><br/>");
			}	
		}catch(Exception e)
		{
			e.printStackTrace();
		}
        out.print(buf.toString());		
	}
	public void doGet(HttpServletRequest request,HttpServletResponse response) throws ServletException, java.io.IOException{		
		doPost(request,response);
	}
}