updatepassword.java

oa办公系统

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

import java.io.IOException;
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.jx.ecjtu.oa.common.Constant;
import cn.jx.ecjtu.oa.ps.pojo.LoginUser;
import cn.jx.ecjtu.oa.services.Result;
import cn.jx.ecjtu.oa.services.ResultType;
import cn.jx.ecjtu.oa.services.ServiceFactory;
import cn.jx.ecjtu.oa.services.SysUserService;
import cn.jx.ecjtu.oa.services.UserInSession;

public class UpdatePassword extends HttpServlet {

	/**
	 * Destruction of the servlet. <br>
	 */
	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 {

		response.setContentType("text/html");
		String oldPassword = request.getParameter("oldPassword");
		String newPassword = request.getParameter("newPassword");
		UserInSession user_in_session = (UserInSession)request.getSession().getAttribute(Constant.USER_IN_SESSION);
		LoginUser user = service.getLoginUserInfo(user_in_session.getId());
		if(user.getPassWord().equals(oldPassword)){
			Result result = service.updatePassword(user_in_session.getId(), newPassword);
			if(result.getRet().equals(ResultType.RET_FAIL)||result.getRet().equals(ResultType.RET_EXCEPTION)){
				request.setAttribute("message", result.getMessage());
				request.getRequestDispatcher("error.jsp").forward(request, response);
			}else{
				request.setAttribute("success", result.getMessage());
				request.getRequestDispatcher("modify_password.jsp").forward(request, response);
			}
		}else{
			request.setAttribute("message", "@@旧密码输入有误!!!");
			//获得了项目的根目录
			getServletContext().getRequestDispatcher("/error.jsp").forward(request, response);
		}
	}

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

}