项目常用代码2（js上传头像预览/判断移动端pc端跳转适配）

js上传头像预览

//html
<a href="#" class="fiinput"><img src="./../images/images@2x.png" id="ImgPr" alt="">   <input type="file" class="files" ></a>

//js

$(".files").change(function() {

        var $file = $(this);

        var fileObj = $file[0];

        var windowURL = window.URL || window.webkitURL;

        var dataURL;

        var $img = $("#ImgPr");

        if(fileObj && fileObj.files && fileObj.files[0]){

            dataURL = windowURL.createObjectURL(fileObj.files[0]);

            console.log(dataURL)

            $img.attr('src',dataURL);

        }else{

            dataURL = $file.val();

            var imgObj = document.getElementById("ImgPr");

 imgObj.style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod=scale)";

            imgObj.filters.item("DXImageTransform.Microsoft.AlphaImageLoader").src = dataURL;

            console.log( imgObj.filters.item("DXImageTransform.Microsoft.AlphaImageLoader").src = dataURL)

        }

    })

//判断移动端pc端跳转适配

!function(o){var a=window.location.hash;"#pc"!=a&&/iphone|ipod|ipad|ipad|Android|nokia|blackberry|webos|webos|webmate|bada|lg|ucweb|skyfire|sony|ericsson|mot|samsung|sgh|lg|philips|panasonic|alcatel|lenovo|cldc|midp|wap|mobile/i.test(navigator.userAgent.toLowerCase())&&(o.location.href="http://m.mokuge.com/")}(window);