HarmonyOS 鸿蒙Next 将坐标转换为地理描述 报错

// xxx.ets
import { abilityAccessCtrl, common, Permissions } from '@kit.AbilityKit';
import { geoLocationManager } from '@kit.LocationKit';
@Entry
@Component
struct Index {
@State localText: string = ‘当前位置’
permissions: Array<Permissions> = [‘ohos.permission.APPROXIMATELY_LOCATION’, ‘ohos.permission.LOCATION’];
getLocal() {
const context: common.UIAbilityContext = getContext(this) as common.UIAbilityContext;
let atManager: abilityAccessCtrl.AtManager = abilityAccessCtrl.createAtManager();
// requestPermissionsFromUser会判断权限的授权状态来决定是否唤起弹窗
atManager.requestPermissionsFromUser(context, this.permissions).then((data) => {
let grantStatus: Array<number> = data.authResults;
let length: number = grantStatus.length;
for (let i = 0; i < length; i++) {
if (grantStatus[i] === 0) {
// 用户授权，可以继续访问目标操作
const requestInfo: geoLocationManager.LocationRequest = {
‘priority’: geoLocationManager.LocationRequestPriority.FIRST_FIX,
‘scenario’: geoLocationManager.LocationRequestScenario.UNSET,
‘timeInterval’: 1,
‘distanceInterval’: 0,
‘maxAccuracy’: 0
};
geoLocationManager.getCurrentLocation(requestInfo)
.then((location: geoLocationManager.Location) => {
let reverseGeocodeRequest: geoLocationManager.ReverseGeoCodeRequest = location;
try {
geoLocationManager.getAddressesFromLocation(reverseGeocodeRequest).then((data) => {
console.log('getAddressesFromLocation: ’ + JSON.stringify(data));
this.localText = data[0].placeName + ‘’
})
.catch((error: number) => {
console.error(‘promise, getAddressesFromLocation: error=’ + JSON.stringify(error));
});
} catch (err) {
console.error(“errCode:”);
}
})
.catch((err: Error) => {
console.error(Failed to get current location. Code is , message is <span class="hljs-subst">${err.message}</span>);
});
} else {
// 用户拒绝授权
return;
}
}
// 授权成功
}).catch((err: Error) => {
console.error(Failed to request permissions from user. Code is , message is <span class="hljs-subst">${err.message}</span>);
})
}
build() {
Column() {
Button(this.localText).onClick(() => {
this.getLocal();
})
}
}
}

​
 @State num: Array<geoLocationManager.GeoAddress> = [] // 这个数据类型是接口给的,不需要自己定义
aboutToAppear() {
let reverseGeocodeRequest: geoLocationManager.ReverseGeoCodeRequest = {
“latitude”: 44.43288,
“longitude”: 125.184742,
“maxItems”: 2,
“locale”: “zh”
};
// 调用逆地理编码服务，将坐标转换为地理描述
geoLocationManager.getAddressesFromLocation(reverseGeocodeRequest, (err, data) => {
if (err) {
console.info('getAddressesFromLocation err: ’ + JSON.stringify(err.name));
}
if (data) {
console.info(‘getAddressesFromLocation: data=’ + JSON.stringify(data));
// 把data中的数据遍历给num
for (let entry of data) {
this.num.push(entry)
}
}
});
}
build() {
Column() {
Text(JSON.stringify(this.num)).fontColor(Color.Black).margin(16)
  <span class="hljs-comment">// 遍历num中的数据</span>
  <span class="hljs-title class_">ForEach</span>(<span class="hljs-variable language_">this</span>.<span class="hljs-property">num</span>, <span class="hljs-function">(<span class="hljs-params">item: geoLocationManager.GeoAddress</span>) =&gt;</span> {
    <span class="hljs-title class_">Column</span>() {
      <span class="hljs-title class_">Text</span>(<span class="hljs-string">`地区信息:<span class="hljs-subst">${<span class="hljs-string">'\n'</span>}</span><span class="hljs-subst">${item.placeName}</span>`</span>).<span class="hljs-title function_">fontSize</span>(<span class="hljs-number">13</span>)
      <span class="hljs-title class_">Text</span>(<span class="hljs-string">`路名信息:<span class="hljs-subst">${item.roadName}</span>`</span>).<span class="hljs-title function_">fontSize</span>(<span class="hljs-number">13</span>)
    }.<span class="hljs-title function_">width</span>(<span class="hljs-string">'100%'</span>).<span class="hljs-title function_">alignItems</span>(<span class="hljs-title class_">HorizontalAlign</span>.<span class="hljs-property">Start</span>).<span class="hljs-title function_">margin</span>({ <span class="hljs-attr">top</span>: <span class="hljs-number">30</span> })
  })
}.<span class="hljs-title function_">width</span>(<span class="hljs-string">'100%'</span>).<span class="hljs-title function_">height</span>(<span class="hljs-string">'100%'</span>)
}
​