1、非空验证1functioncPhoneModlue(){2varvalphone=$.trim($('.phone_Module').val());3if(valphone==""){4$('.phone_Module').parents(".mandatory").addClass("warning");5tru...

1<script>2functionloading(){34functionLoad(){}56Load.prototype.loadImgs=function(urls,callback){7this.urls=urls;8this.imgNumbers=urls.length;9this.loadImg...

核心知识点：drawImage作用：将图片加载在canvashtml:<canvasid="myCanvas"width="200"height="100"style="border:1pxsolid#c3c3c3;">Yourbrowserdoesnotsupportthecanvaselement.&l...

  2018-08-14补充：图片存在则显示，不存在则显示默认图片：<imgclass="po-avtdata-avt"src="${isUrl?obj.user.avastar:'../../res/image/1.jpg'}"> 在界面嵌入一个url实现方案： &...