;(function ($) {
	var defaultConfig = {
    	async: true,
    	cache: false,
    	type: "get",
    	dataType: "json",
    	timeout: 5000,
    	timeoutErr: "请求超时，请重试",
    	notice: "处理中...",
    	requestFlag: false, //是否请求中
    	loadList: false //请求类型 false请求商品类  true提交信息类
	};

	window.lib.webApi = {
    	httpRequest: function (config) {
        	var setting = $.extend({}, defaultConfig, config),
            	self = this;

        	if (setting.requestFlag) {
            	return;
        	} else {
            	setting.requestFlag = true;

            	$.ajax({
                	url: setting.url || "",
                	data: setting.data || "",
                	type: setting.type,
                	dataType: setting.dataType,
                	async: setting.async,
                	cache: setting.cache,
                	jsonpCallback: setting.jsonpCallback || "",
                	timeout: setting.timeout,
                	beforeSend: setting.beforeSend || self.beforeSendCb(setting),
                	success: function (data) {
                    	config.successCb && config.successCb(data);

                    	self.completeCb(setting);
                	},
                	error: function () {
                    	setting.error || self.errorCb(self, setting)()
                	}
            	});
        	}
    	},
    	beforeSendCb: function (setting) {
        	setting.loadList ? this.renderLoading(setting) : this.renderMask(setting, setting.notice);
    	},
    	//请求错误回调
    	errorCb: function (self, setting) {
        	self.completeCb(setting);

        	return (function (xml, textStatus) {
            	if (textStatus == 'timeout') {
                	self.renderMask(setting, setting.timeoutErr);
            	} else {
                	self.renderMask(setting, "出错啦");
            	}
       		})
    	},
    	//请求完成回调
    	completeCb: function (setting) {
        	setting.loadList ? $('.J-loading').hide() : $('.J-ajax-mask').hide();
    	},
    	//弹出层信息 表单提交
    	renderMask: function (setting, text) {
        	var target = $('.J-ajax-mask');
        	if (target.length > 0) {
            	target.text(text);
            	target.show();
            	return;
        	}
        	var elMask = document.createElement("div"),
            	style = elMask.style;
        	elMask.className += "ajax-mask J-ajax-mask";
        	elMask.textContent = text;
        	style.position = "absolute";
        	style.top = "50%";
        	style.left = "50%";
        	style.padding = "0 1rem";
        	style.transform = "translate(-50%, -50%)";
        	style.height = "2rem";
        	style.lineHeight = "2rem";
        	style.background = "rgba(0, 0, 0, .8)";
        	style.borderRadius = ".15rem";
        	style.fontSize = ".6rem";
        	style.color = "#fff";
        	style.textAlign = "center";
        	document.documentElement.appendChild(elMask);
    	},
    	//加载中 请求列表 需加载loading样式
    	renderLoading: function (setting) {
        	var target = $('.J-loading');
        	if (target.length > 0) {
            	target.show();
            	return;
        	}
        	var elContainer = document.createElement("div"),
            	elImg = document.createElement("div"),
            	elText = document.createElement("span");
        		elImg.className += "loading-img";
        	elText.className += "loading-text";
        	elText.textContent = "加载中";
        	elContainer.className += "loading-container J-loading";
        	elContainer.appendChild(elImg);
        	elContainer.appendChild(elText);
        	document.documentElement.appendChild(elContainer);
    	}
	};
})(Zepto);