ExtJsweb应用程序开发指南配套代码

package action; import java.util.ArrayList; 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 bean.Book; import bean.BookType; import biz.BookService; import util.ExtHelper; public class BookActionExt extends DispatchAction { private BookService service = new BookService(); /* * 显示书籍列表页面 */ public ActionForward showBookList(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { return mapping.findForward("bookList"); } /* * 显示书籍类型列表页面 */ public ActionForward showBookTypeList(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { return mapping.findForward("bookTypeList"); } /* * 查询书籍列表 */ public ActionForward getBookList(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { List books = service.getBooks(); String xml = ExtHelper.getXmlFromList(books); response.setContentType("application/xml;charset=UTF-8"); response.getWriter().write(xml); return null; } /* * 查询书籍类型列表 */ public ActionForward getBookTypeList(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { List bookTypes = service.getBookTypes(); String xml = ExtHelper.getXmlFromList(bookTypes); response.setContentType("application/xml;charset=UTF-8"); response.getWriter().write(xml); return null; } /* * 新增书籍 */ public ActionForward addBook(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { String bookName = request.getParameter("bookName"); String author = request.getParameter("author"); int bookTypeId = Integer.parseInt(request.getParameter("bookTypeId")); float price = Float.parseFloat(request.getParameter("price")); String brief = request.getParameter("brief"); Book book = new Book(); book.setBookName(new String(bookName.getBytes("ISO-8859-1"),"UTF-8")); book.setAuthor(new String(author.getBytes("ISO-8859-1"),"UTF-8")); book.setBookTypeId(bookTypeId); book.setPrice(price); book.setBrief(new String(brief.getBytes("ISO-8859-1"),"UTF-8")); int bookId = service.addBook(book); boolean isSuccess = true; if(bookId == -1){ isSuccess = false; } response.setContentType("text/json;charset=UTF-8"); response.getWriter().write("{success:"+isSuccess+",bookId:"+bookId+"}"); return null; } /* * 新增书籍类型 */ public ActionForward addBookType(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { String title = request.getParameter("title"); String detail = request.getParameter("detail"); BookType bookType = new BookType(); bookType.setTitle(new String(title.getBytes("ISO8859-1"),"UTF-8")); bookType.setDetail(new String(detail.getBytes("ISO8859-1"),"UTF-8")); int bookTypeId = service.addBookType(bookType); boolean isSuccess = true; if(bookTypeId == -1){ isSuccess = false; } response.setContentType("text/json;charset=UTF-8"); response.getWriter().write("{success:"+isSuccess+",bookTypeId:"+bookTypeId+"}"); return null; } /* * 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("id")); String bookName = request.getParameter("bookName"); String author = request.getParameter("author"); int bookTypeId = Integer.parseInt(request.getParameter("bookTypeId")); float price = Float.parseFloat(request.getParameter("price")); String brief = request.getParameter("brief"); Book book = new Book(); book.setId(bookId); book.setBookName(new String(bookName.getBytes("ISO-8859-1"),"UTF-8")); book.setAuthor(new String(author.getBytes("ISO-8859-1"),"UTF-8")); book.setBookTypeId(bookTypeId); book.setPrice(price); book.setBrief(new String(brief.getBytes("ISO-8859-1"),"UTF-8")); boolean isSuccess = service.updateBook(book); response.setContentType("text/json;charset=UTF-8"); response.getWriter().write("{success:"+isSuccess+",bookId:"+bookId+"}"); return null; } /* * 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("id")); String title = request.getParameter("title"); String detail = request.getParameter("detail"); BookType bookType = new BookType(); bookType.setId(bookTypeId); bookType.setTitle(new String(title.getBytes("ISO8859-1"),"UTF-8")); bookType.setDetail(new String(detail.getBytes("ISO8859-1"),"UTF-8")); boolean isSuccess = service.updateBookType(bookType); response.setContentType("text/json;charset=UTF-8"); response.getWriter().write("{success:"+isSuccess+",bookTypeId:"+bookTypeId+"}"); return null; } /* * 删除书籍类型 */ public ActionForward deleteBookType(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { int bookTypeId = Integer.parseInt(request.getParameter("bookTypeId")); int num = service.getBookNum(bookTypeId); response.setContentType("text/json;charset=UTF-8"); if(num == 0){ boolean isSuccess = service.deleteBookType(bookTypeId); response.getWriter().write("{success:"+isSuccess+",num:"+num+"}"); }else{ response.getWriter().write("{success:false,num:"+num+"}"); } return null; } /* * 根据书籍id查询书籍信息 */ public ActionForward getBookById(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { response.setContentType("text/json;charset=UTF-8"); int bookId = Integer.parseInt(request.getParameter("bookId")); Book book = service.getBook(bookId); String json = null; if(book != null){ json = "{success:true,data:"+ExtHelper.getJsonFromBean(book)+"}"; }else{ json = "{success:false}"; } response.getWriter().write(json); return null; } /* * 根据书籍类型id查询书籍类型信息 */ public ActionForward getBookTypeById(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { response.setContentType("text/json;charset=UTF-8"); int bookTypeId = Integer.parseInt(request.getParameter("bookTypeId")); BookType bookType = service.getBookType(bookTypeId); String json = null; if(bookType != null){ json = "{success:true,data:"+ExtHelper.getJsonFromBean(bookType)+"}"; }else{ json = "{success:false}"; } response.getWriter().write(json); return null; } /* * 删除书籍信息 */ public ActionForward deleteBooks(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception { String bookIds = request.getParameter("bookIds"); String[] ids = bookIds.split("-"); List idList = new ArrayList(); for(int i = 0 ; i < ids.length ; i++){ Integer id = new Integer(ids[i]); idList.add(id); } boolean isSuccess = service.deleteBooks(idList); response.setContentType("text/json;charset=UTF-8"); response.getWriter().write("{success:"+isSuccess+"}"); return null