新闻发布项目——后台JSP界面adminManage/addCategory.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<link href="../CSS/admin.css" rel="stylesheet" type="text/css" />
<title>添加主题</title>
<script type="text/javascript" src="../js/jquery-1.8.3.min.js"></script>
<script type="text/javascript">
		//页面加载的事件
	$(function(){
	//表单验证
		$("#form1").submit(function(){
			var cname=$("#categoryName").val();
			var flag=true;
			if(cname==""){
			alert("类别名不能为空!");
				 flag=false;
			}
			return flag;
		})
	})
</script>
</head>

<body>

<form action="../doCategoryaddServlet" method="post" id="form1">
<div id="opt_type">添加主题</div>
	<%
	//获取错误信息
		String msg=(String)request.getAttribute("ermsg");
		if(msg==null){
		msg="";
		}
	 %>
	<!--  显示错误信息 -->
            主题:<input type="text" class="classlist" name="categoryName" id="categoryName"/><br/>
	 <span style="color:red"><%=msg %></span><br/>
            <input type="submit" value="提交" class="classlist" />
            <input type="reset" value="重置" class="classlist"/>      
        </form>
</body>
</html>

原文地址:https://www.cnblogs.com/a1111/p/12816468.html