简单封装axios

	import axios from "axios"

	export default function ajax(url='',data={},type='GET'){
	    if(type === "GET"){
	        //准备url  query参数数据
	        let dataStr = "",//数据拼接字符串
	        Object.keys(data).forEach(key => {
	            dataStr += key + '=' + data[key] + '&'
	        });
	
	        if(dataStr !== ''){
	            dataStr = dataStr.substring(0,dataStr.lastIndexOf('&'));
	            url = url + '?' + dataStr
	        }
	        //发送ajax请求
	        return axios.get(url)
	    }else{
	        //发送post请求
	        return axios.post(url,data);
	    }
	}

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