HarmonyOS 获取本机ip地址

使用接口 connection.getConnectionProperties 可获取当前使用网络IP，模块需配置权限：ohos.permission.GET_NETWORK_INFO；

参考链接：https://developer.huawei.com/consumer/cn/doc/harmonyos-references-V5/js-apis-net-connection-V5#connectiongetconnectionproperties

"requestPermissions": [
{
  "name": "ohos.permission.GET_NETWORK_INFO"
}
]


import { connection } from '@kit.NetworkKit';
import { BusinessError } from '@kit.BasicServicesKit';

@Entry
@Component
struct NetPage {
  @State message: string = 'Hello World';

  build() {
    RelativeContainer() {
      Text(this.message)
        .onClick(async ()=>{
          let netHandle = await connection.getDefaultNet();
          if (netHandle) {
            let connectionProperties = await connection.getConnectionProperties(netHandle)
            if (connectionProperties && connectionProperties.linkAddresses) {
              connectionProperties.linkAddresses.forEach((address: connection.LinkAddress, index: number) => {
                console.info("get address info: " + JSON.stringify(address));
              })
            }
          }

        })
    }
    .height('100%')
    .width('100%')
  }
}