package BA_Control;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.helloBar.barBean;
import com.helloBar.barDAO;
import net.sf.json.JSONArray;
public class helloPie extends HttpServlet {
/**
* Constructor of the object.
*/
public helloPie() {
super();
}
/**
* Destruction of the servlet.
*/
public void destroy() {
super.destroy(); // Just puts "destroy" string in log
// Put your code here
}
/**
* The doGet method of the servlet.
*
* This method is called when a form has its tag value method equals to get.
*
* @param request the request send by the client to the server
* @param response the response send by the server to the client
* @throws ServletException if an error occurred
* @throws IOException if an error occurred
*/
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out
.println("");
out.println("");
out.println(" A Servlet");
out.println(" ");
out.print(" This is ");
out.print(this.getClass());
out.println(", using the GET method");
out.println(" ");
out.println("");
out.flush();
out.close();
}
/**
* The doPost method of the servlet.
*
* This method is called when a form has its tag value method equals to post.
*
* @param request the request send by the client to the server
* @param response the response send by the server to the client
* @throws ServletException if an error occurred
* @throws IOException if an error occurred
*/
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
//鍒涘缓浜嗕竴涓猙ardao鐨勫璞★紝barDAO涓昏鏄鏁版嵁搴撶殑杩炴帴鍜屽鏁版嵁搴撶殑鎿嶄綔
barDAO bardao=new barDAO();
//璋冪敤bardao鐨剆elect_all()鏂规硶鎶婁粠鏁版嵁搴撲腑璇诲彇鎵�鏈夌殑鏁版嵁杩斿洖鐨勬槸涓�涓狝rrayList锛孉rrayList閲岄潰鏀剧殑鏄竴涓猙arBean
ArrayList array = (ArrayList) bardao.listAll();
System.out.println("s"+array);
//璁剧疆杩斿洖鏃剁殑缂栫爜鏍煎紡
response.setContentType("text/html; charset=utf-8");
//璋冪敤JSONArray.fromObject鏂规硶鎶奱rray涓殑瀵硅薄杞寲涓篔SON鏍煎紡鐨勬暟缁�
JSONArray json=JSONArray.fromObject(array);
System.out.println(json.toString());
//杩斿洖缁欏墠娈甸〉闈�
PrintWriter out = response.getWriter();
out.println(json);
out.flush();
out.close();
}
/**
* Initialization of the servlet.
*
* @throws ServletException if an error occurs
*/
public void init() throws ServletException {
// Put your code here
}
}