错误描述
代码
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8" contentType="text/html; charset=UTF-8"%>
<%
String path = request.getContextPath() + "/";
String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort() + path;
%>
<%@ page import="tool.DBTool" %>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<%
//接值
String id=request.getParameter("id");
//操作数据
String sql="delete from book where id=?";
//跳转页面
int row=new DBTool().update(sql, new String[]{id});
if(row>0){
//不需要携带数据 跳转页面 使用重定向跳转
response.sendRedirect(basePath+"book/do/cddeletebook_do.jsp");
}
%>
