摘要：class Person{ // 构造 constructor(x,y){ this.x = x; this.y = y; } toString(){ return (this.x + "的年龄是" +this.y+"岁"); } } export {Per... 阅读全文

摘要：//policy 要经过base64编码， signature 还要进一步处理，可以查阅官方文档 function OssUpload(param, file, fileName, callBack) { var policyBase64 = Base64.encode(param.policy); var signature = param.signature.... 阅读全文

摘要：1 function loadScript(src,callback){ 2 //生成新script 3 var newScript = document.createElement('script'); 4 newScript.type = 'text/javascript'; 5 if(window.attac... 阅读全文