//接口
 //群成员数据导出
  async groupMemberDataExportApi(data: any) {
    // return http("/gw-console/v1/data-platform/group-members-data-export", {
    //   method: "GET",
    //   params: data,
    //   responseType: "blob"
    // });
    let url = Serve + "接口地址?";
    for (const k in data) {
      url += `${k}=${data[k]}&`;
    }
    const name = "导出文件名.xlsx";
    const code: number = await downLoadPromise(
      url,
      name,
      LoginManager.getToken() || ""
    );
    return code;
  },
//  ---------
//逻辑
private async groupMemberDataExport() {
    try {
    //此路成功
      await API.groupMemberDataExportApi({
        此处传参数
      });
    } catch (error) {
    //此路error
      console.log(error, "on error");
      this.$message.warning(error.message || "下载失败");
    }
  }
//----------------------------------------
//在接口中：引入两个外部的方法
//1.
import { Serve } from "@/utils/serve";
export const Serve = process.env.VUE_APP_API_ROOT;
//2.
import { downLoadPromise } from "@/utils/down-load";
// 下载文件到本地的方法
export function downLoadPromise(url: string, name: string, token?: string) {
  const promise = new Promise<number>(function(resolve, reject) {
    const x = new XMLHttpRequest();
    x.open("GET", url, true);
    if (token) {
      x.setRequestHeader("Auth-Token", token);
    }
    x.responseType = "blob";
    x.send();
    x.onload = function() {
      if (x.status === 200) {
        const urlResponse = window.URL.createObjectURL(x.response);
        const a = document.createElement("a");
        a.href = urlResponse;
        a.download = name;
        a.click();
        resolve(x.status);
      } else {
        reject(x.status);
      }
    };
  });
  return promise;
}
//3,在接口的最后传token
/**登陆流程相关控制 */
class LoginManager {
  static MOCK_ACCOUNT = "yuruizhi@vchangyi.com"; //本地静默登录账号
  static PASS_WORD = "hOJYZv"; //本地静默登录密码
  // 获取登陆数据
  static getLoginData: () => IUserInfo = function() {
    try {
      return JSON.parse(localStorage.getItem("USERINFO") || "");
    } catch (error) {
      return null;
    }
  };
   // 获取token
  static getToken: () => string | null = function() {
    try {
      return JSON.parse(localStorage.getItem("TOKEN") || "");
    } catch (error) {
      return null;
    }
  };