A GBK codec library for Dart developers.
GBK 编解码器，支持 File 和 HttpClient 的 Stream interface。用法和 utf8 codec完全一致。
Created from templates made available by Stagehand under a BSD-style license.
version
fast_gbk: 1.0.0
Usage
- A simple usage example:
import 'package:fast_gbk/fast_gbk.dart';
void main() async {
var encoded = gbk.encode("白日依山尽，黄河入海流");
var decoded = gbk.decode([176, 215, 200, 213, 210, 192, 201, 189, 190, 161, 163,
172, 187, 198, 186, 211, 200, 235, 186, 163, 193, 247]);
}
- Example: read a GBK file.
import 'dart:convert';
import 'dart:io';
import 'package:fast_gbk/fast_gbk.dart';
void main() {
File gbkFile = File("gbkFile.txt");
var stream = gbkFile.openRead();
stream.transform(gbk.decoder)
.transform(const LineSplitter())
.listen((line) {
stdout.writeln(line);
});
}
- Example: write a GBK file.
import 'dart:io';
import 'package:fast_gbk/fast_gbk.dart';
void main() async {
File output = File("gbk.txt");
var stream = output.openWrite(encoding: gbk);
stream.write("123");
stream.writeln("456");
stream.writeCharCode(0x41);
await stream.close();
}
- Example: decode HttpClient response
import 'dart:io';
import 'package:fast_gbk/fast_gbk.dart';
void main() async {
var gbkWebUrl = "http://www.newsmth.net/nForum/#!mainpage";
var httpClient = HttpClient();
HttpClientRequest request = await httpClient.getUrl(Uri.parse(gbkWebUrl));
HttpClientResponse response = await request.close();
var responseBody = await response.transform(gbk.decoder).join();
print(responseBody);
httpClient.close();
}
FAQ
Q: support for malformed gbk characters.
Q: when input string contains malformed GBK characters, we do not want to received a exception.
A: 0.1.1+1 export GbkCodec api, users can use as follows:
//output a �, instead of throw a exception.
var codec = GbkCodec(allowMalformed: true);
var decodedMalform = codec.decode([20001]);
Q: null safety support? A: 1.0.0 version supports null safety.
Features and bugs
Please feel free to post issue or pull request to this github link.
换用gbk2utf8解码正常，但是速度太慢，严重影响使用。希望fast_gbk可以增加GB18030编码支持。
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