📄 m_del2.jsp
字号:
<%@ page language="java" import="java.sql.*" pageEncoding="utf-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>My JSP 'M_add.jsp' starting page</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
</head>
<jsp:useBean id="db" scope="session" class="news.sql_data"/>
<body>
<% try{
String dataid=request.getParameter("dataid"); //这样不行,submit没有提交任何参数
String mysql = "delete from news_table where dataid="+dataid;
//这里还是有问题啊,之前是通过js将dataid放入text中的
//不知道怎样通过链接实现删除啊
db.executeUpdate(mysql);
out.println("删除成功!<a href='manager/M_del.jsp'>返回");
}catch(Exception e){
out.println("删除操作失败!"+e.getMessage());
}
%>
</body>
</html>
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -