Dingdong_client/Utils/MapUtils.js

import * as Location from 'expo-location';
import * as Permissions from 'expo-permissions';
import * as TaskManager from 'expo-task-manager';
import request from './RequestUtils';
import { alert } from './TotastUtils';

const LOCATION_TASK_NAME = 'background-location-task';

TaskManager.defineTask(LOCATION_TASK_NAME, ({ data, error }) => {
  if (error) {
    // Error occurred - check `error.message` for more details.
    return;
  }
  if (data) {
    const { locations } = data;
    console.log(data);
    // do something with the locations captured in the background
  }
});
const key = 'c4faf80125b298f93bbc1477db10e69c';
const tengxunKey = 'GLFBZ-ZR2W6-76XSA-MF7CQ-GDJ6Z-6FB5K';

let lat = '31.981746';
let lng = '118.734661';

async function getLocation() {
  return Location.requestPermissionsAsync()
    .then((res) => {
      if (res.status === 'granted') {
        return Location.getCurrentPositionAsync(LOCATION_TASK_NAME, {
          enableHighAccuracy: false,
          timeout: 5000,
          maximumAge: 10000,
        });
      } else {
        return Promise.reject();
      }
    })
    .then(({ coords }) => {
      lat = coords.latitude;
      lng = coords.longitude;

      return request.get(
        `https://apis.map.qq.com/ws/coord/v1/translate?locations=${lat},${lng}&type=1&key=${tengxunKey}&get_poi=1`,
        {
          prefix: '',
          mode: 'no-cors',
        }
      );
    })
    .then((res) => {
      if (res.status === 0) {
        lat = res.locations[0].lat;
        lng = res.locations[0].lng;
      }
      return request.get(
        `https://apis.map.qq.com/ws/geocoder/v1/?location=${lat},${lng}&key=${tengxunKey}&get_poi=1`,
        {
          prefix: '',
          mode: 'no-cors',
        }
      );
    })
    .then((res) => {
      if (res.status === 0) {
        return Promise.resolve({
          addressName: res.result.address,
          location: res.result.location,
        });
      } else {
        return Promise.reject();
      }
    })
    .catch((e) => {
      console.log(e);
      return Promise.resolve({
        addressName: '定位失败',
        location: {
          lat,
          lng,
        },
      });
    });
}

function getSearch(searchKey, boundary) {
  return request
    .get(
      `https://apis.map.qq.com/ws/place/v1/search?boundary=${boundary}&keyword=${searchKey}&page_size=20&page_index=1&orderby=_distance&key=${tengxunKey}`,
      {
        prefix: '',
        mode: 'no-cors',
      }
    )
    .then((res) => {
      if (res.status === 0) {
        return Promise.resolve({
          pois: res.data,
        });
      } else {
        return Promise.reject();
      }
    })
    .catch(() => {
      return Promise.resolve({
        pois: [],
      });
    });
}

function mapMarks(params) {
  return `https://restapi.amap.com/v3/staticmap?zoom=15&size=500*500&paths=10,0x0000ff,1,,:116.31604,39.96491;116.320816,39.966606;116.321785,39.966827;116.32361,39.966957&key=${key}`;
}

export { getLocation, getSearch };