本人最近在學習Vue，從網上查詢了很多關于Vue監聽數據變化原理，稍微整理精簡一下做下分享。
淺度監聽
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>淺度監聽</title> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0"> <meta name="apple-mobile-web-app-capable" content="yes"> <meta name="apple-mobile-web-app-status-bar-style" content="black"> <script src="../js/vue1.0.js"></script> <script src="../js/vue-resource.js"></script> <script> window.onload = function(){ var vm = new Vue({ el:'#box', data:{ a:111, b:2 } }); vm.$watch('a',function(){ alert('發生變化了'); }); document.onclick = function(){ vm.a = 1; } } </script></head><body><div id="box"> {{a}} <hr> {{b}}</div></body></html>深度監聽
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>深度監聽</title> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0"> <meta name="apple-mobile-web-app-capable" content="yes"> <meta name="apple-mobile-web-app-status-bar-style" content="black"> <script src="../js/vue1.0.js"></script> <script src="../js/vue-resource.js"></script> <script> window.onload = function(){ var vm = new Vue({ el:'#box', data:{ json:{name:'abcdef',age:'16'}, b:2 } }); vm.$watch('json',function(){ alert('發生變化了'); },{deep:true}); document.onclick = function(){ vm.json.name = "aaaaaa"; } } </script></head><body><div id="box"> {{json | json}} <hr> {{b}}</div></body></html>以上就是本文的全部內容，希望對大家的學習有所幫助，也希望大家多多支持武林網。
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