package com.demo;

import java.io.IOException;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.*;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import com.dao.Dao;
import com.dao.AuthorityDao;
import com.dao.AuthorityDaoImpl;
import com.domain.Authority;
import com.domain.Tuser;


/**
 * Servlet implementation class PostCheckServlet
 */
@WebServlet(name ="AuthorityServlet",urlPatterns={"/Authority.do"})
public class AuthorityServlet extends HttpServlet implements Dao {
	private static final long serialVersionUID = 1L;
	
//	public void init() {   
//		   String driver = "com.mysql.cj.jdbc.Driver";
//		      String dburl = "jdbc:mysql://127.0.0.1:3306/tooth?useSSL=true";
//		      String username = "root";
//		      String password = "root";
//		      try{
//		          Class.forName(driver); // 加载驱动程序
//		          // 创建连接对象
//		          dbconn = DriverManager.getConnection(
//		      	                     dburl,username,password);
//		      }catch(ClassNotFoundException e1){
//		          System.out.println(e1);
//		          getServletContext().log("驱动程序类找不到！");   
//		      }catch(SQLException e2){
//		    	  System.out.println(e2);
//		      }
//	}
//	 java.sql.Connection dbconn = null; public void init() { String driver =
//	 "com.mysql.jdbc.Driver"; String dburl =
//	"jdbc:mysql://127.0.0.1:3306/xinxin?useSSL=true"; String username = "root";
//	 String password = "zhao157"; try{ Class.forName(driver); // 加载驱动程序 // 创建连接对象
//	  dbconn = DriverManager.getConnection(dburl,username,password);
//	 }catch(ClassNotFoundException e1){ System.out.println(e1);
//	  getServletContext().log("驱动程序类找不到！"); }catch(SQLException e2){
//	 System.out.println(e2); } }
	 
       

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	public void doGet(HttpServletRequest request,
            HttpServletResponse response)
            throws ServletException,IOException{
		doPost(request,response);
		
	}
	
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
			  String action = request.getParameter("action");
			     if(action!=null&&action.equals("remove")){
			         removeAuthority(request,response);
			     } 
			     else if (action.equals("list")){
			         listAuthority(request,response);
			     }else {
			    	 System.out.println("失败");
			     }
		
	}
	
	 private void listAuthority(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException{
    	 // TODO Auto-generated method stub
		 
		 AuthorityDao dao = new AuthorityDaoImpl();
		 try{
			 
			 List<Authority> list= dao.listAuthority();
			 request.setAttribute("AuthorityList",list);
			 
		 }catch(SQLException e) {}
		RequestDispatcher rd = request.getRequestDispatcher("da-authority.jsp");
		
		rd.forward(request, response);

     }


			private void removeAuthority(HttpServletRequest request, HttpServletResponse response)  throws ServletException, IOException{
				// TODO Auto-generated method stub
				int Cid=Integer.parseInt(request.getParameter("Cid"));
				AuthorityDao dao=new AuthorityDaoImpl();
				try {
					int success=dao.removeAuthority(Cid);
					if(success>0) {
						listAuthority(request,response);
						}
					}catch(SQLException e) {}
				}
}