基于Java语言的ExtJs框架设计源码

package com.sample.ext4.simplebook.action; import java.util.Iterator; import java.util.List; import java.util.Map; import java.util.Set; 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 com.sample.ext4.simplebook.bean.Book; import com.sample.ext4.simplebook.bean.BookType; import com.sample.ext4.simplebook.biz.BookService; /** * 简易图书管理系统Action类 */ public class BookAction extends DispatchAction{ //创建业务层对象。跳转到书籍类型列表页面 private BookService service = new BookService(); /** * 跳转到书籍类型列表页面 */ public ActionForward showBookTypeList(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { List<BookType> bookTypes = service.getBookTypes();//获取书籍类型列表 request.setAttribute("bookTypes", bookTypes);//将书籍类型列表放到请求中 return mapping.findForward("bookTypeList");//跳转到书籍类型列表页面 } /** * 跳转到书籍列表页面 */ public ActionForward showBookList(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { List<Book> books = service.getBooks();//获取书籍列表 request.setAttribute("books", books);//将书籍列表放到请求中 return mapping.findForward("bookList"); //跳转到书籍列表页面 } /** * 跳转到书籍新增页面 */ public ActionForward toAddBook(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { List<BookType> bookTypes = service.getBookTypes(); //获取书籍类型列表 request.setAttribute("bookTypes", bookTypes);//将书籍类型列表放到请求中 return mapping.findForward("addBook");//跳转到书籍新增页面 } /** * 跳转到书籍修改页面 */ public ActionForward toModifyBook(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { int bookId = Integer.parseInt(request.getParameter("bookId"));//获取书籍id List<BookType> bookTypes = service.getBookTypes();//获取书籍类型列表 request.setAttribute("bookTypes", bookTypes);//将书籍类型列表放到请求中 Book book = service.getBook(bookId); //获取指定id的书籍信息 request.setAttribute("book", book);//将书籍信息放到请求中 return mapping.findForward("modifyBook");//跳转到书籍修改页面 } /** * 修改书籍信息 */ public ActionForward modifyBook(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { int bookId = Integer.parseInt(request.getParameter("bookId"));//获取书籍id String bookName = request.getParameter("bookName");//获取书籍名称 String author = request.getParameter("author");//获取书籍作者 int bookTypeId = Integer.parseInt(request.getParameter("bookTypeId")); //获取类型id float price = Float.parseFloat(request.getParameter("price"));//获取书籍金额 String brief = request.getParameter("brief");//获取书籍简介 Book book = new Book(); //创建书籍对象 book.setId(bookId);//设置书籍对象id； book.setBookName(bookName);//设置书籍对象名称信息 book.setAuthor(author);//设置书籍对象作者信息 book.setBookTypeId(bookTypeId);//设置书籍对象类型id信息 book.setPrice(price);//设置书籍对象金额信息； book.setBrief(brief);//设置书籍对象简介信息 boolean isSuccess = service.updateBook(book);//更新书籍信息 if(isSuccess){//判断更新书籍信息是否成功 return mapping.findForward("toBookList");//更新成功跳转到书籍列表页面 }else{ return mapping.findForward("error");//更新失败跳转到错误页面 } } /** * 新增书籍 * 操作成功后将页面跳转到书籍列表页面 */ public ActionForward addBook(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { String bookName = request.getParameter("bookName");//获取书籍名称 String author = request.getParameter("author");//获取书籍作者 int bookTypeId = Integer.parseInt(request.getParameter("bookTypeId"));//获取类型id float price = Float.parseFloat(request.getParameter("price"));//获取书籍金额 String brief = request.getParameter("brief");//获取书籍简介 Book book = new Book();//创建书籍对象； book.setBookName(bookName);//设置书籍对象名称信息 book.setAuthor(author);//设置书籍对象作者信息 book.setBookTypeId(bookTypeId);//设置书籍对象类型id信息 book.setPrice(price);//设置书籍对象金额信息 book.setBrief(brief);//设置书籍对象简介信息 int bookId = service.addBook(book);//新增书籍信息 if(bookId != -1){//判断新增书籍信息是否成功 return mapping.findForward("toBookList");//新增成功跳转到书籍列表页面 }else{ return mapping.findForward("error"); //新增失败跳转到错误页面 } } /** * 新增书籍类型 * 操作成功后将页面跳转到书籍类型列表页面 */ public ActionForward addBookType(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { String title = request.getParameter("title"); //获取书籍类型标题 String detail = request.getParameter("detail");//获取书籍类型描述 BookType bookType = new BookType();//创建书籍类型对象 bookType.setTitle(title);//设置书籍类型对象标题信息 bookType.setDetail(detail);//设置书籍类型对象描述信息 int bookTypeId = service.addBookType(bookType);//新增书籍类型 if(bookTypeId != -1){ //判断书籍类型新增是否成功 return mapping.findForward("toBookTypeList");//新增成功则跳转到类型列表 }else{ return mapping.findForward("error"); //新增失败则跳转到错误页面 } } /** * 跳转到书籍类型新增页面 */ public ActionForward toAddBookType(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { return mapping.findForward("addBookType");//跳转到书籍类型列表页面 } /** * 跳转到书籍类型修改页面 */ public ActionForward toModifyBookType(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { int bookTypeId = Integer.parseInt(request.getParameter("bookTypeId"));//获取类型id BookType bookType = service.getBookType(bookTypeId);//获取指定id的书籍类型 request.setAttribute("bookType", bookType);//将书籍类型放入请求中 return mapping.findForward("modifyBookType");//跳转到书籍类型修改页面 } /** * 修改书籍类型信息 */ public ActionForward modifyBookType(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { int bookTypeId = Integer.parseInt(request.getParameter("bookTypeId"));//获取类型id String title = request.getParameter("title");//获取类型标题 String detail = request.getParameter("detail");//获取类型说明 BookType bookType = new BookType();//创建书籍类型对象 bookType.setId(bookTypeId);//设置书籍类型对象的id信息； bookType.setTitle(title);//设置书籍类型对象的标题信息 bookType.setDetail(detail);//设置书籍类型对象的描述信息 boolean