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                ### 構造器外部寫局部注冊組件 上面上課我們都把局部組件的編寫放到了構造器內部,如果組件代碼量很大,會影響構造器的可讀性,造成拖拉和錯誤。 我們把組件編寫的代碼放到構造器外部或者說單獨文件。 我們需要先聲明一個對象,對象里就是組件的內容。 ~~~ var jspang = { template:`<div>Panda from China!</div>` } ~~~ 聲明好對象后在構造器里引用就可以了。 ~~~ components:{ "jspang":jspang } ~~~ html中引用 `<jspang></jspang>` ### 父子組件的嵌套 我們先聲明一個父組件,比如叫jspang,然后里邊我們加入一個city組件,我們來看這樣的代碼如何寫。 ~~~javascript <!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>conponent3</title> <script type="text/javascript" src="../assets/js/vue.js" ></script> </head> <body> <h1>component3</h1> <hr> <div id="app"> <lv></lv> </div> <script type="text/javascript"> var city = { template:`<p>這是兩只可愛的驢!</p>` } var lvComponent = { template:` <div> <img src="../assets/img/lv.jpg"> <city></city> </div>`, components:{ "city":city } } var app = new Vue({ el:'#app', data:{ message:'四川' }, components:{ "lv":lvComponent } // data:{ // message:'hello world', // } }); </script> </body> </html> ~~~
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