bookaction.java

采用struts+hibernate技术实现的网上书店系统

package org.web;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;

import org.apache.struts2.ServletActionContext;
import org.apache.struts2.interceptor.SessionAware;
import org.dao.IBookDao;
import org.dao.impl.BookDaoImpl;
import org.model.Bookinfo;
import org.model.Userinfo;
import org.web.interceptor.AuthenticationInterceptor;
import org.web.paging.PageInfo;

import com.opensymphony.xwork2.ActionSupport;

public class BookAction extends ActionSupport implements SessionAware{
	
	//实例化bookDao
	IBookDao dao = new BookDaoImpl();
	
	private String bookName;
	
	private Bookinfo book;
	
	private Integer bookID;
	
	private List<Bookinfo> result = new ArrayList<Bookinfo>();
	
    private Map sessionMap;
	
	private Userinfo user;
	
	// 分页信息
	private PageInfo pageInfo = new PageInfo();

	//搜索
	public String search()throws Exception{
		//用以判断用户权限
		//如果是管理员,user.power是1,拥有新增修改删除书本的功能
		user = (Userinfo)sessionMap.get(AuthenticationInterceptor.USER_SESSION_KEY);
	
		//从url参数request对象中提取分页属性
		HttpServletRequest request = ServletActionContext.getRequest();
		//从url参数中提取第几条记录开始属性
		String offsetStr = request.getParameter("offset");
		if (null!=offsetStr)
			pageInfo.setFirstResult(offsetStr);
		//从url参数中提取每页多少条记录属性
		String pageSizeStr = request.getParameter("pageSize");
		if (null!=pageSizeStr)
			pageInfo.setMaxResults(pageSizeStr);
		result = dao.getBookListByName(bookName, pageInfo);
		
		setPageInfo(pageInfo);
		
		return "search";
	}
	
	//编辑
	public String edit()throws Exception{
		book = dao.getByID(bookID);
		return "edit";
	}
	
	//浏览
	public String view()throws Exception{
		book = dao.getByID(bookID);
		return "view";
	}
	
	//修改
	public String update()throws Exception{
		dao.update(book);
		return SUCCESS;
	}
	
	//新增
	public String add()throws Exception{
		dao.save(book);
		return SUCCESS;
	}
	//删除
	public String del()throws Exception{
		dao.delete(bookID);
		return SUCCESS;
	}

	public String getBookName() {
		return bookName;
	}

	public void setBookName(String bookName) {
		this.bookName = bookName;
	}

	public List<Bookinfo> getResult() {
		return result;
	}

	public void setResult(List<Bookinfo> result) {
		this.result = result;
	}

	
	public Bookinfo getBook() {
		return book;
	}

	public void setBook(Bookinfo book) {
		this.book = book;
	}

	public Integer getBookID() {
		return bookID;
	}

	public void setBookID(Integer bookID) {
		this.bookID = bookID;
	}

	public void setSession(Map sessionMap) {
		this.sessionMap = sessionMap;
	}

	public Userinfo getUser() {
		return user;
	}

	public void setUser(Userinfo user) {
		this.user = user;
	}

	public PageInfo getPageInfo() {
		return pageInfo;
	}

	public void setPageInfo(PageInfo pageInfo) {
		this.pageInfo = pageInfo;
	}
}