智享笔记 <body>
<div id="app">
<div>
<span>名：</span>
<span>
<input type="text" v-model='firstName'>
</span>
</div>
<div>
<span>姓：</span>
<span>
<input type="text" v-model='lastName'>
</span>
</div>
<div>{{fullName}}</div>
</div>
<script type="text/javascript" src="js/vue.js"></script>
<script type="text/javascript">
/*
侦听器
*/
var vm = new Vue({
el: '#app',
data: {
firstName: 'Jim',
lastName: 'Green',
// fullName: 'Jim Green'
},
computed: {
fullName: function(){
return this.firstName + ' ' + this.lastName;
}
},
watch: {
// firstName: function(val) {
// this.fullName = val + ' ' + this.lastName;
// },
// lastName: function(val) {
// this.fullName = this.firstName + ' ' + val;
// }
}
});
</script>
</body>侦听器基本用法
相关推荐
-
生成图片
from PIL import Image, ImageColor, ImageDraw, ImageFont, ImageFilterdef create_image_with_text(size, color, text, font_path, font_size, text_color, shadow_color, output_path): """ Create a new image of specified size and color with centered text that has a border and shadow. :param size: A tuple con
-
获取指定目录下的所有图片信息
1 获取指定目录下的所有图片信息// 获取指定目录下的所有图片信息 public function getImagesInfo($directory) { $images = []; // 创建递归目录迭代器 $iterator = new \RecursiveIteratorIterator( new \RecursiveDirectoryIterator($directory, \RecursiveDirectoryIterator::SKIP_DOTS), \RecursiveIteratorIterator::LEAVES_ONLY ); // 遍历目录中的每个文件 foreach (
-
Thinkphp各版本的PHP要求
ThinkPHP 8.0：运行环境要求PHP8.0+，兼容PHP8.3ThinkPHP 6.1：运行环境要求PHP7.2+，兼容PHP8.1ThinkPHP 6.0：运行环境要求PHP7.2+，兼容PHP8.1ThinkPHP 5.1：运行环境要求PHP5.6+，兼容PHP8.0ThinkPHP 5.0：运行环境要求PHP5.4+，兼容PHP7.3
