package action.admin;

import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionForm;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.Action;

import bean.BookTypeBean;

import db.AdminOperation;

public class UpdateBookType extends Action {
	/**
	 * 覆蓋Action的execute（）方法
	 * 
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		// 創建BookTypeBean對象
		BookTypeBean btb = new BookTypeBean();
		// 設置BookTypeBean對象的相關屬性
		btb.setDisplay(request.getParameter("display"));
		btb.setTypeId(Integer.parseInt(request.getParameter("bookTypeId")));
		// 創建數據庫操作的AdminOperation對象
		AdminOperation db = new AdminOperation();
		// 通過AdminOperation對象更新BookType信息
		if (db.updateBookType(btb)) {
			request.setAttribute("message", "<script>alert('更新成功');</script>");
		} else {
			request.setAttribute("message", "<script>alert('更新失敗');</script>");
		}
		// 關閉數據庫的連接
		db.Close();
		return mapping.findForward("booktype");

	}
}