deleteposition.java

该系统可以实现邮件的收发

package com.action.position;

import java.io.IOException;
import java.util.List;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.service.PositionManager;
import com.service.impl.PositionManagerImpl;

public class DeletePosition extends HttpServlet {

	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		doPost(request,response);
	}

	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		int positionId = Integer.parseInt(request.getParameter("name"));
		PositionManager manager = new PositionManagerImpl();
		boolean isHas = false;	//存放是否有下级状态
		
		//查是否有下级
		List list = manager.searchPositionParentId();
		for(int i = 0;i < list.size();i++){
			String parentId = (String)list.get(i);
			if(positionId != Integer.parseInt(parentId)){  //不相等，表示没有下级
				isHas = true;
			}else{
				isHas = false;
				break;
			}
		}
		//查看是否有员工
		boolean isHasStaff = manager.isHasStaff(positionId);
		if(isHas && !isHasStaff){
			manager.deletePosition(positionId);
		}else{
			request.setAttribute("msg", "有下级，别删！");
			RequestDispatcher rd = request.getRequestDispatcher("/ok.jsp");
			rd.forward(request, response);
		}
	}
}