import语句show和asimport语句之间有什么区别?
例如,有什么区别
import 'dart:convert' show JSON;
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和
import 'package:google_maps/google_maps.dart' as GoogleMap;
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我show何时使用,何时使用as?
如果我切换到show GoogleMap所有引用GoogleMap(例如GoogleMap.LatLng)对象被报告为未定义.
我已经导入了一个 Eosdart 包,它有 action.dart 文件,甚至 flutter 也有 action.dart 文件,所以应该选择哪个有冲突。请帮助消除冲突 我在代码中提到了错误详细信息作为注释,其中我收到了错误
class _AddBorrowerState extends State<AddBorrower> {
eos.Account _account;
eos.EOSClient _eosClient = eos.EOSClient(
'http://jungle2.cryptolions.io:80', 'v1',
privateKeys: ["5JfVW2PtRkAcLbLETevxCwaQuT8NNWvP2eBYCrPRKPBWDgZDEo1"]);
List<eos.Authorization> auth = [
eos.Authorization()
..actor = 'guru11111111'
..permission = 'active'
];
Map data = {
'acc_name': myController1.text,**error only static member can be accessed in initializers**
'b_id': '119',
'location': 'mumbai',
'b_phone': '11231212',
};
List<eos.Action> actions = [
eos.Action()
..account = 'guru11111111'
..name = 'addborrower'
..authorization = auth **ERROR only static member can be accessed in …Run Code Online (Sandbox Code Playgroud)