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BL-apron conveyor

Apron conveyor is used for conveying materials from storage bin to crusher, conveyor and other equipments. The type of conveyor can be divided into light and middle size. And it was widely used in mining, metallurgy and cement industry. And it is suitable for transport large and edge materials.
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Introduction

Apron conveyor is used for conveying materials from storage bin to crusher, conveyor and other equipments. The type of conveyor can be divided into light and middle size. And it was widely used in mining, metallurgy and cement industry. And it is suitable for transport large and edge materials.

Technical



$(function () { imgLazyLoad(); //初始化 $(document).scroll(imgLazyLoad); //当滚动条滚动时,扫描需要加载的div //扫描需要加载的div function imgLazyLoad() { $.each($('body img.lazy'), function (i, o) { //获取窗口高度 var windowHeight = $(window).height(); // windowHeight = windowHeight/2; 设置滚动条在显示屏幕高度2分之1的时候加载图片 //获取滚动条 var scrollTop = $(document).scrollTop(); //先判断是否是加载完的图片 跳出 if ($(o).attr('src') == $(o).attr('data-original')) { return true; } else if ( $(o).offset().top <= scrollTop + windowHeight && $(o).offset().top >= scrollTop ) { //判断div是不是出在可见的位置 if ( $(o).attr('data-original') != undefined || $(o).attr('data-original') != 'undefined' ) { var ObjectSrc = $(o).attr('data-original'); //把pic的值赋给src值 $(o).attr('src', ObjectSrc); //css属性改为可见 $(o).css('visibility', 'visible'); //渐变时间和渐变值 $(o).fadeTo(1000, 1.0); } } }); } });
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