categoryupdateinservlet.java

来自「JDBC数据库高级编程源代码」· Java 代码 · 共 40 行

package jdbcbook.photo;

import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.util.*;

import jdbcbook.pub.util.*;

/**
 * 修改照片分类信息Servlet
 */
public class CategoryUpdateInServlet extends HttpServlet
{

	public void doPost(HttpServletRequest request, HttpServletResponse response)
						throws IOException, ServletException
	{
		// 生成照片分类对象
		Category category = new Category();
		// 将用户提交的数据，赋值给相应的属性
		RequestUtil.populate( request, category );

		// 查询用户要修改的照片分类记录
		category = CategoryBean.getCategory( category );
		request.setAttribute( "category", category );

		// 跳转到CategoryListServlet
		RequestDispatcher dispatcher = request.getRequestDispatcher( "categorylist" );
		dispatcher.forward( request, response );
	}

	public void doGet(HttpServletRequest request, HttpServletResponse response)
						throws IOException, ServletException
	{
		doPost( request, response );
	}
}