userinfoaction.java

《struts 应用开发完全手册》中的源代码第一到第五章。

package com.action;

import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionForm;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.ActionForward;
import com.domain.UserInfoForm;
import org.apache.struts.actions.LookupDispatchAction;
import java.util.Map;
import java.util.HashMap;
import java.io.UnsupportedEncodingException;
import com.dao.Chinese;
import com.dao.UserInfoDao;

public class UserInfoAction extends LookupDispatchAction {
    private UserInfoDao dao = null;
    public UserInfoAction() {
        dao = new UserInfoDao();
    }

    protected Map getKeyMethodMap() {
        Map map = new HashMap();
        map.put("selectone","selectOneUserInfo");
        map.put("update","updateUserInfo");
        map.put("delete","deleteUserInfo");
        return map;
    }



//修改用户操作
    public ActionForward updateUserInfo(ActionMapping mapping, ActionForm form,
                                        HttpServletRequest request,
                                        HttpServletResponse response) throws
            UnsupportedEncodingException {
        request.setCharacterEncoding("gb2312");
        UserInfoForm userInfoForm = (UserInfoForm) form;
        userInfoForm.setName(Chinese.chinese(request.getParameter("name")));
        userInfoForm.setAge(userInfoForm.getAge());
        userInfoForm.setProfession(Chinese.chinese(userInfoForm.getProfession()));
        dao.updateUserInfo(userInfoForm);
        request.setAttribute("success", "修改用户信息成功！！！");
        return mapping.findForward("success");
    }

//条件查询操作
    public ActionForward selectOneUserInfo(ActionMapping mapping,
                                           ActionForm form,
                                           HttpServletRequest request,
                                           HttpServletResponse response) throws
            UnsupportedEncodingException {
        request.setCharacterEncoding("gb2312");
        Integer id = Integer.valueOf(request.getParameter("id"));
        request.setAttribute("form", dao.userList(id));
        return mapping.findForward("selectOne");
    }

    //删除用户操作
    public ActionForward deleteUserInfo(ActionMapping mapping, ActionForm form,
                                        HttpServletRequest request,
                                        HttpServletResponse response) throws
            UnsupportedEncodingException {
        request.setCharacterEncoding("gb2312");

        Integer id = Integer.valueOf(request.getParameter("id"));
        System.out.println("id="+id);
        dao.deleteUserInfo(id);
        request.setAttribute("success", "删除用户信息成功！！！");
        return mapping.findForward("success");
    }
}