deletebooktype.java

该系统实现了网上购物及书店管理

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 db.AdminOperation;

public class DeleteBookType extends Action {
	/**
	 * 覆盖Action的execute（）方法
	 * 
	 */
	public ActionForward execute(ActionMapping mapping, ActionForm form,
			HttpServletRequest request, HttpServletResponse response) {
		// 从request中取得bookTypeId信息
		int bookTypeId = Integer.parseInt(request.getParameter("bookTypeId"));
		// 创建AdminOperation对象
		AdminOperation db = new AdminOperation();
		// 通过AdminOperation从数据库中删除某个商品类型信息
		if (db.deleteBookType(bookTypeId)) {
			request.setAttribute("message", "<script>alert('删除成功');</script>");
		} else {
			request.setAttribute("message", "<script>alert('删除失败');</script>");
		}
		// 关闭数据库连接
		db.Close();
		return mapping.findForward("booktype");
	}
}