delproductservlet.java

基于jsp的网上书店


package adminshop;

import java.io.IOException;
import java.util.ArrayList;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;




public final class DelProductServlet extends HttpServlet{  
	protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        
   			Integer 	productId = (Integer)req.getAttribute("Id");
		
			//进行数据库中删除操作
   			DB  db=new DB();
			shopadmin sa=new shopadmin();
			try {
				Product product = sa.getProduct(db, productId.intValue());
				sa.delete(product);
			} catch (Exception e) {
				// TODO 自动生成 catch 块
				e.printStackTrace();
			}
			//ActionMessages errors = new ActionMessages();
			ArrayList error = null;
			error.add(ActionMessages.GLOBAL_MESSAGE,
				new ActionMessages("label.delOk"));
			if (!error.isEmpty()) {
				saveErrors(req, error);
			} 
			 resp.sendRedirect("toWrong");  
 	}

	private void saveErrors(HttpServletRequest req, ArrayList error) {
		// TODO 自动生成方法存根
		
	}
}