diff --git a/common/http.js b/common/http.js
index c75ad23..69800b2 100644
--- a/common/http.js
+++ b/common/http.js
@@ -24,7 +24,7 @@ function getsign(params) {
 	return params;
 }
 
-function $http(url, data = {}){
+function $http(url, data = {}, options = {}){
 	return new Promise((resolve, reject) => {
 		// 绑定this
 		let that = this;
@@ -74,6 +74,12 @@ function $http(url, data = {}){
 		// 生成sign
 		getsign(data);
 		console.log(url, data);
+		
+		// 动态赋值是否显示loading加载框 TODO验证一下是否有问题
+		if(that.$shared.isValueType(options.showLoading) != 'undefined'){
+			that.$u.http.setConfig({showLoading: options.showLoading});
+		}
+		
 		// 发起请求
 		that.$u.post(url, data).then(res => {
 			resolve(res);
diff --git a/common/shared.js b/common/shared.js
new file mode 100644
index 0000000..c7a8b9c
--- /dev/null
+++ b/common/shared.js
@@ -0,0 +1,43 @@
+/* 
+  全局共享实用方法 shared.js
+ */
+
+// 设置角标, 必须传入下标值，设置值可传可不传，传参时显示，不传时移除角标
+function setBadge(index = 0, value){
+	if(isRight(value)){
+		uni.setTabBarBadge({
+			index: Number(index),
+			text: value > 99 ? '99+' : String(value)
+		})
+	}else{
+		uni.removeTabBarBadge({index: Number(index)});
+	}
+}
+
+// 判断对错/是否显示，万能校验 
+function isRight(obj) {
+	if (isValueType(obj) === 'string') {
+		obj = obj.trim();
+		if (obj === 'null' || obj === 'undefined') {
+			return false;
+		}
+	} else if (isValueType(obj) === 'number' && (isValueType(obj) === "number" && !isNaN(obj)) && obj !== 0) {
+		return true;
+	}
+	for (var key in obj) {
+		return true;
+	}
+	return false;
+}
+
+// 判断一个值所属的类型，返回一个字符串
+function isValueType(value) {
+	let str = Object.prototype.toString.call(value);
+	return str.match(/\[object (.*?)\]/)[1].toLowerCase();
+}
+
+module.exports = {
+	setBadge,
+	isRight,
+	isValueType
+}
\ No newline at end of file
diff --git a/main.js b/main.js
index 1a69262..a972626 100644
--- a/main.js
+++ b/main.js
@@ -2,6 +2,7 @@ import Vue from 'vue'
 import App from './App'
 import mixin from '@/common/mixin.js';
 import * as API from '@/common/api.js';
+import $shared from '@/common/shared.js';
 
 Vue.config.productionTip = false
 
@@ -10,6 +11,8 @@ Vue.mixin(mixin);
 
 // 将API注入全局
 Vue.prototype.API = API;
+// 全局共享方法
+Vue.prototype.$shared = $shared;
 
 // 引入全局uView
 import uView from 'uview-ui'