CodeDreamfy

Valid Accept Types

<input id="fileSelect" type="file" accept=".csv, application/vnd.openxmlformats-officedocument.spreadsheetml.sheet, application/vnd.ms-excel" />  

For CSV files (.csv), use:

<input type="file" accept=".csv" />

For Excel Files 97-2003 (.xls), use:

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<script type="text/javascript"> 
   var bForcepc
= fGetQuery("dv") == "pc";  
   function
fBrowserRedirect(){  
       var sUserAgent = navigator.userAgent.toLowerCase(); 
       var bIsIpad = sUserAgent.match(/ipad/i) ==
"ipad";   
       var bIsIphoneOs = sUserAgent.match(/iphone os/i) == "iphone os"; 
       var bIsMidp = sUserAgent.match(/midp/i) == "midp"; 

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<script type="text/javascript"> 
if(/AppleWebKit.*Mobile/i.test(navigator.userAgent) || (/MIDP|SymbianOS|NOKIA|SAMSUNG|LG|NEC|TCL|Alcatel|BIRD|DBTEL|Dopod|PHILIPS|HAIER|LENOVO|MOT-|Nokia|SonyEricsson|SIE-|Amoi|ZTE/.test(navigator.userAgent))){
	if(window.location.href.indexOf("?mobile")<0){
		try{
			if(/Android|webOS|iPhone|iPod|BlackBerry/i.test(navigator.userAgent)){
				window.location.href="http://shipei.qq.com/index.htm";
			}else if(/iPad/i.test(navigator.userAgent)){
			}else{
				window.location.href="http://shipei.qq.com/simple/s/index/"
			}

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/* 
* 参考: https://mp.weixin.qq.com/s/X3s4ysLfwclEOXIuKzOK2g
*
*/
// 将对象的所有属性加上get，set监听，并调用dep函数
function observe (obj) {
    Object.keys(obj).forEach(key => {
        let internalValue = obj[key];
        const dep = new Dep();
        Object.defineProperty(obj, key, {

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//HTML5提供了一个新属性naturalWidth/naturalHeight可以直接获取图片的原始宽高。这两个属性在Firefox/Chrome/Safari/Opera及IE9里已经实现。改造下获取图片尺寸的方法。
//http://www.w3.org/TR/2011/WD-html5-author-20110705/the-img-element.html#dom-img-naturalwidth
//http://www.w3.org/TR/2011/WD-html5-author-20110705/the-img-element.html#dom-img-naturalheight

function getImgNaturalDimensions(img, callback) {
	var nWidth, nHeight;
	if (img.naturalWidth) {
		nWidth = img.naturalWidth;
		nHeight = img.naturalHeight;
	} else {

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// 兼容 requestAnimationFrame 与 setTimeout
function _throttle (fn, time) {
  let running = false
  let isFrame = false
  if (!time) isFrame = true
  const getCallback = (self, args) => {
    return () => {
      fn.apply(self, args)
      running = false
    }

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/**
  reset.css
  author : codedreamfy
*/
html,
body,
p,
ol,
ul,
li,

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页面后退路由重新刷新方法
```js
// 第一种
router.beforeEach((to, from, next) => {
    if(sessionStorage.getItem("back_url") === to) {
        刷新
        sessionStorage.setItem("back_url", from)
    }else {
        sessionStorage.setItem("back_url", from)
    }

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var xhrReq = new XMLHttpRequest();
xhrReq.onreadystatechange = function(){
  var elm = document.getElementById('link1');
  if(xhrReq.status == 200 && xhrReq.readyState == 4) {
    elm.href = xhrReq.response.payload.apk_url;
  }
}
xhrReq.open('get',url);
xhrReq.responseType = 'json';
xhrReq.send();

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function loadJs(file){
    var scriptTag = document.getElementById('loadScript');
    var head = document.getElementsByTagName('head').item(0);
    if(scriptTag) head.removeChild(scriptTag);
    script = document.createElement('script');
    script.src = "../js/mi_"+file+".js";
    script.type = 'text/javascript';
    script.id = 'loadScript';
    head.appendChild(script);
}