useraction.java

来自「《JSP网站开发典型模块与实例精讲》一书光盘源码」· Java 代码 · 共 111 行

package book.example.photoprint.action;

import java.util.List;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.actions.DispatchAction;

import book.example.photoprint.exception.DBException;
import book.example.photoprint.form.UserForm;
import book.example.photoprint.po.User;
import book.example.photoprint.service.UserService;

public class UserAction extends DispatchAction {

	public ActionForward add(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		UserForm userForm = (UserForm) form;
		User user = new User();
		if (userForm.getId() != null && !userForm.getId().equals("")) {
			user.setId(userForm.getId());
		}
		user.setUsername(userForm.getUsername());
		user.setPasswd(userForm.getPasswd());
		user.setName(userForm.getName());
		user.setTel(userForm.getTel());
		user.setCellphone(userForm.getCellphoto());
		user.setEmail(userForm.getEmail());
		user.setAddress(userForm.getAddress());
		UserService service = new UserService();
		try {
			if (user.getId() == null) {
				User user1 = service.getUserByUsername(userForm.getUsername());
				if (user1 == null) {
					service.addUser(user);
					return mapping.findForward("success");
				} else {
					request.setAttribute("info","帐号"+userForm.getUsername()+"已经存在");
					return mapping.findForward("erro");
				}
			} else {
				// 更新用户
				service.addUser(user);
				request.getSession().setAttribute("user",user);
				return this.preModify(mapping,form,request,response);
			}
		} catch (DBException e) {
			e.printStackTrace();
			request.setAttribute("info","保存失败");
			return mapping.findForward("error");
		}
	}

	public ActionForward login(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		UserForm userForm = (UserForm) form;
		String username = userForm.getUsername();
		UserService service = new UserService();
		User user = null;
		try {
			user = service.getUserByUsername(username);
		} catch (DBException e) {
			e.printStackTrace();
			return mapping.findForward("loginerror");
		}
		if (user == null || !user.getPasswd().equals(userForm.getPasswd())) {
			return mapping.findForward("loginerror");
		}
		request.getSession().setAttribute("user", user);
		return mapping.findForward("loginsuccess");
	}

	public ActionForward list(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		UserService service = new UserService();
		String username = request.getParameter("username");
		List list = null;
		try {
			list = service.getUserList(username);
			request.setAttribute("list", list);
			System.out.println(">>>>>>>>>>>>>>>>>" + list.size());
		} catch (DBException e) {
			e.printStackTrace();
			return mapping.findForward("listerror");
		}
		return mapping.findForward("listsuccess");
	}

	public ActionForward preModify(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		
		UserForm userForm = new UserForm();
		
		User user = (User) request.getSession().getAttribute("user");
		if (user != null) {
			userForm.setId(user.getId());
			userForm.setAddress(user.getAddress());
			userForm.setCellphoto(user.getCellphone());
			userForm.setEmail(user.getEmail());
			userForm.setName(user.getName());
			userForm.setPasswd(user.getPasswd());
			userForm.setUsername(user.getUsername());
			userForm.setTel(user.getTel());
		}
		request.setAttribute("userForm", userForm);
		return mapping.findForward("modify");
	}
}