?? savebookaction.java
字號:
package bookstore;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Date;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionMessages;
import org.apache.struts.upload.FormFile;
import org.hibernate.Query;
import org.hibernate.Session;
import bookstore.database.Bookinfo;
import bookstore.database.HibernateUtil;
public class SaveBookAction extends Action {
public ActionForward execute(ActionMapping mapping, ActionForm srcForm,
HttpServletRequest request, HttpServletResponse response)
throws Exception {
ActionMessages errors = new ActionMessages();
Bookinfo book = new Bookinfo();
EditBookForm form = (EditBookForm) srcForm;
Session dbSession = HibernateUtil.currentSession();
if (form.getId().intValue() != 0) {
Query query = dbSession
.createQuery("from Bookinfo as b where b.id=:id");
query.setInteger("id", form.getId().intValue());
HibernateUtil.beginTransaction();
List result = query.list();
HibernateUtil.commitTransaction();
if (result.size() != 0) {
book = (Bookinfo) result.get(0);
}
}
book.setBookName(new String(form.getBookName().getBytes("ISO-8859-1"),
"GB2312"));
book.setIsbn("111-222-333");
book.setWriter(new String(form.getWriter().getBytes("ISO-8859-1"),
"GB2312"));
book.setIntro(new String(form.getIntro().getBytes("ISO-8859-1"),
"GB2312"));
book.setPublisher(new String(
form.getPublisher().getBytes("ISO-8859-1"), "GB2312"));
book.setPrice(form.getPrice());
book.setRemaining(form.getRemaining());
book.setDate(new Date(System.currentTimeMillis()));
FormFile file = form.getPicture();
if (!file.getFileName().equals("")) {
// 錕叫訛拷錕僥鹼拷)展錕斤拷錕角鳳拷錕斤拷確
String[] fileNameSpt = file.getFileName().split("\\.");
String ext = fileNameSpt[fileNameSpt.length - 1].toLowerCase();
if (!ext.equals("gif") && !ext.equals("jpg")) {
errors.add("wrongPic", new ActionMessage("savebook.wrongFile"));
this.saveErrors(request, errors);
return mapping.findForward("errorPage");
}
// 錕角鳳拷指錕斤拷錕剿合鳳拷錕斤拷錕僥鹼拷錕斤拷
InputStream is = file.getInputStream();
if (is == null) {
errors
.add("wrongPic", new ActionMessage(
"savebook.invalidPic"));
this.saveErrors(request, errors);
return mapping.findForward("errorPage");
}
// 錕皆碉拷前系統(tǒng)時錕斤拷錕斤拷錕斤拷錕斤拷錕轎
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