前端-vue基础33-自定义指令用法_前端

 前端-vue基础33-自定义指令用法_前端_02

 

<!DOCTYPE html>
<html lang="en">
 
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
 
    </style>
</head>
 
<body>
    <div id="app">
        <input type="text" v-color='msg'>
    </div>
    <script type="text/javascript" src="./js/vue.js"></script>
    <script>
        Vue.directive('color', {
            bind: function(el, binding) {
                //根据参数的指令设置背景色
                console.log(binding.value.color);
                el.style.backgroundColor = binding.value.color;
            }
        });
        var vm = new Vue({
            //绑定的标签
            el: '#app',
            //自定义按键修饰符
            data: {
                msg: {
                    color: 'pink'
                }
            },
            methods: {
 
            }
        });
    </script>
</body>
 
</html>

前端-vue基础33-自定义指令用法_开发语言_03