wechat_hitxy/spa/assets/js/spa.js

function readURL(input) {
    if (input.files && input.files[0]) {
        var reader = new FileReader();
        reader.onload = function (e) {
            $(input).closest("div.row").find("div.previewrapper > img.uploadpreview").attr('src', e.target.result)
            $(input).closest("div.row").find("div.previewrapper").removeClass("hide");
            $(input).closest("div.row").find("div.previewrapper").fadeIn(1000)
        }
        reader.readAsDataURL(input.files[0]);
    }
}

$(".uploadimg").change(function(){
    readURL(this);
});

$("div.previewrapper > img.removepreview").click(function(){
    $(this).closest("div.row").find("input.uploadimg").val('');
    $(this).closest("div.row").find("input.file-path").val('');
                    $(this).closest("div.previewrapper").fadeOut(1000);
});

function isWeixinBrowser(){
  var ua = navigator.userAgent.toLowerCase();
  return (/micromessenger/.test(ua)) ? true : false ;
}

function closeWechatBrowser(){
	if (typeof WeixinJSBridge == "object" && typeof WeixinJSBridge.invoke == "function") {
    	WeixinJSBridge.call('closeWindow');
	}     
    $(document).on("WeixinJSBridgeReady", function(){
        WeixinJSBridge.call('closeWindow');
    });
}