点击提交后list没有新增数据
<%@ page language="java" import="java.util.*" pageEncoding="ISO-8859-1"%>
<%
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 'index.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">
-->
<script src="./vue.js" type="text/javascript"></script>
</head>
<body>
<div id="root">{{msg}}
<input v-model="inputnum"/>
<button @onclick="handleClick">submit</button>
<ul>
<li v-for="(item,index) of list" :key="index">{{item}}</li>
</ul>
</div>
<script>
new Vue({
el:"#root",
data:{
msg:"hello world",
inputnum:"",
list:[]
},
methods:{
handleClick: function(){
this.list.push(this.inputnum)
this.inputnum=""
}
},
})
</script>
</body>
</html>
个回答
-
- 柯伊伯带的一颗小星星
- 2020-04-19 04:07:59
<button @onclick="handleClick">submit</button>
改成
<button @click="handleClick">submit</button>
注： @onclick 改成 @click