saveroletopermissionservlet.java

oa办公系统

package cn.jx.ecjtu.oa.servlets.users;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import cn.jx.ecjtu.oa.services.Result;
import cn.jx.ecjtu.oa.services.ServiceFactory;
import cn.jx.ecjtu.oa.services.SysUserService;

public class SaveRoleToPermissionServlet extends HttpServlet {

	/**
	 * 这个servlet用来实现权限的分配功能
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * 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 {
      doPost(request, response);
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * 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 {
		Result rs=null;		
		String permissionid=request.getParameter("permissionid");//获得提交的权限ID字符串
		String  roleid=request.getParameter("roleid");//获得提交的角色ID字符串
		int roleId=Integer.parseInt(roleid);//将角色ID字符串转化为int型
		 String[]  id=null;	
		id=permissionid.split(",");//将权限ID字符串以','为分割成字符串数组
		
		List<Integer> permissionIds=new ArrayList<Integer>();
	       
		for(int i=0;i<id.length;i++)//循环将权限ID字符串数组转化为Intger List
		{   
			if(id[i]!="")
			{
			int a=Integer.parseInt(id[i]);
			permissionIds.add(a);
			}
		}
		try{
	      rs=sus.UpdateRolePermission(roleId, permissionIds);//调用服务层方法，实现权限的分配
		}catch(Exception e){
			 request.setAttribute("message", rs.getMessage());//如果出现异常，则将操作结果转发到error.jsp
				request.getRequestDispatcher("../../error.jsp").forward(request, response);
		}
		 //将操作结果转发到result.jsp
		 request.setAttribute("message", "分配权限成功!");
		 request.getRequestDispatcher("result.jsp").forward(request, response);
	}

	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException if an error occure
	 */
	private SysUserService sus=null;
	public void init() throws ServletException {
		sus=(SysUserService)ServiceFactory.getService(SysUserService.class);
	}

}