text: //  默认导出ajax请求参数 格式为form data
   const formatParams=(data)=> {
    let arr = [];
    for (let name in data) {
        arr.push(encodeURIComponent(name) + "=" + encodeURIComponent(data[name]));
    }
    arr.push(("v=" + Math.random()).replace(".", ""));
    return arr.join("&");
  };
  
  export default formatParams ;