77 lines
1.8 KiB
HTML
77 lines
1.8 KiB
HTML
<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<meta http-equiv="X-UA-Compatible" content="IE=edge">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Document</title>
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</head>
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<body>
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<div class="app">
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<h2 ref="test">我是h2</h2>
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<h1>{{ msg | shenglh }}</h1>
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<h3>{{ test2 }}</h3>
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</div>
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</body>
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<script src="https://cdn.jsdelivr.net/npm/vue@2.6.14/dist/vue.js"></script>
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<script>
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var mix = {
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data(){
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return {
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page:0,
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totalPage:10,
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}
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},
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methods:{
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bottom(){
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}
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}
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}
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var vm = new Vue({
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el:'.app',
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mixins:[mix],
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data:{
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msg:'hahahhahahhahahhahahhahahhahahhahah'
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},
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watch:{
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msg(newVal,oldVal){
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console.log(newVal,oldVal);
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}
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},
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beforeCreate(){
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},
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created(){
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console.log(this.page);
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console.log("created");
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},
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mounted(){
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console.log("mounted");
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},
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filters:{
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//()中会自动收到一个value值，为14行中自动调用shenglh方法，
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//把msg中的值传到这个方法中用（）中的字母随便填
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//return返回的值会再次覆盖msg
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shenglh(val){
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return val.substring(0,3)+"..."
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}
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},
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methods:{
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test2(){
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return "你好"
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}
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},
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//computed用于大量数据的计算
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computed:{
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test(){
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return "test"
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}
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},
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})
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</script>
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</html> |