实例介绍
【实例截图】
首页:
添加地址:
购物车:
http://localhost:8080/BookStore/manageAction.do 后台登录: admin 123456
【核心代码】
public class ProductAction extends ActionSupport {
private int bookId;
private String ISBN;
private String bookName;
private String synopsis;
private String publish;
private Date publishingTime;
private int page;
private double price;
private String bookBigPic;
private String bookSmaPic;
private int bookStatus;
private BookType bookType;
private int bookTypeId;
private int pageIndex;
private int totalPages;
private static int pageSize;
private List bookTypes;
private List books;
private Book book;
private String keyWord; //关键字
private File myFile1 ;
private String myFile1FileName;
private String myFile1ContentType; //文件类型
@Resource
private BookTypeService bookTypeService;
@Resource
private BookService bookService;
static {
pageSize = 8;
}
//关键字查书名
public String showBookByKeyWord(){
books = bookService.searchingBook(keyWord);
return SUCCESS;
}
//返回热卖图书
public String showBookByHot(){
books = bookService.showHotBook(pageSize);
pageIndex = 1;
totalPages = 1;
return SUCCESS;
}
//跳转到添加图书页面
public String toAddBook(){
bookTypes = bookTypeService.showBookTypes();
return SUCCESS;
}
//添加图书
public String addBook(){
book = new Book();
book.setBookName(bookName);
book.setBookStatus(bookStatus);
bookType = bookTypeService.showBookTypeById(bookTypeId);
book.setBookType(bookType);
book.setISBN(ISBN);
book.setPage(page);
book.setPrice(price);
book.setPublish(publish);
book.setPublishingTime(publishingTime);
book.setSynopsis(synopsis);
if(myFile1!=null){
String fileName = new Date().getTime() getExtention(myFile1FileName);
String url = ServletActionContext.getServletContext().getRealPath("images/smaPic");
File imageFile = new File(url,fileName);
try {
FileUtils.copyFile(myFile1, imageFile);
} catch (Exception e) {
e.printStackTrace();
}
book.setBookBigPic(fileName);
book.setBookSmaPic(fileName);
}
bookService.addBook(book);
return SUCCESS;
}
//查看所有类型图书
public String showAllBook(){
totalPages = bookService.getTotalPages(pageSize);
if(pageIndex<1){
pageIndex = 1;
}else if(pageIndex>totalPages){
pageIndex = totalPages;
}
books = bookService.PageBook(pageSize, pageIndex);
return SUCCESS;
}
//查看同一类型图书
public String showBookByType(){
totalPages = bookService.getTotalPagesByType(pageSize, bookTypeId);
if(totalPages == 0)
totalPages=1;
if(pageIndex<1){
pageIndex = 1;
}else if(pageIndex>totalPages){
pageIndex = totalPages;
}
books = bookService.PageBookByType(pageSize, pageIndex, bookTypeId);
return SUCCESS;
}
//通过ID查看图书具体信息
public String showBookById(){
book = bookService.showBookById(bookId);
return SUCCESS;
}
//删除图书信息
public String deleteBook(){
String url = ServletActionContext.getServletContext().getRealPath("images/smaPic");
File imageFile = new File(url,bookSmaPic);
if(imageFile.exists()){
if(imageFile.delete()){
bookService.deleteBook(bookId);
return SUCCESS;
}
}else{
bookService.deleteBook(bookId);
return SUCCESS;
}
return INPUT;
}
//跳转至修改图书信息界面
public String toModifyBook(){
bookTypes = bookTypeService.showBookTypes();
book = bookService.showBookById(bookId);
return SUCCESS;
}
//修改图书信息
public String modifyBook(){
book = new Book();
book.setBookName(bookName);
book.setBookStatus(bookStatus);
book.setBookId(bookId);
bookType = bookTypeService.showBookTypeById(bookTypeId);
book.setBookType(bookType);
book.setISBN(ISBN);
book.setPage(page);
book.setPrice(price);
book.setPublish(publish);
book.setPublishingTime(publishingTime);
book.setSynopsis(synopsis);
if(myFile1!=null){
String fileName = new Date().getTime() getExtention(myFile1FileName);
String url = ServletActionContext.getServletContext().getRealPath("images/smaPic");
File imageFile = new File(url,fileName);
try {
FileUtils.copyFile(myFile1, imageFile);
} catch (Exception e) {
e.printStackTrace();
}
book.setBookBigPic(fileName);
book.setBookSmaPic(fileName);
File deleteFile = new File(url,bookSmaPic);
if(deleteFile.exists()){
deleteFile.delete();
}
}else{
book.setBookBigPic(bookSmaPic);
book.setBookSmaPic(bookSmaPic);
}
bookService.updateBook(book);
return SUCCESS;
}
/**
* 获取后缀名
* @param fileName 文件名
* @return 后缀名
*/
private static String getExtention(String fileName) {
int pos = fileName.lastIndexOf(".");
return fileName.substring(pos);
}
}
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