Flutter 로그가 너무 길어 출력이 불완전하게 되는 문제 해결 - LogUtil
void main() {
print("""{"code":200,"msg":"OK","timestamp":0,"data":[{"cover":"","sub_title":"","listen_num":0,"report":"","id":23644,"title":"","type":10002,"jump_info":{"mid":"","id":0,"url":"000kD0DI1EXpLO"},"pic_info":{"urlex2":"","mid":"","url":"http://y.gtimg.cn/music/common/upload/MUSIC_FOCUS/1788145.jpg","urlex1":""}},{"cover":"","sub_title":"","listen_num":0,"report":"","id":23601,"title":"","type":3002,"jump_info":{"mid":"","id":0,"url":"https://y.qq.com/m/digitalbum/gold/index.html?openinqqmusic=1&_video=true&mid=000XEFal22lEwn&g_f=yqqjiaodian"},"pic_info":{"urlex2":"","mid":"","url":"http://y.gtimg.cn/music/common/upload/MUSIC_FOCUS/1781138.jpg","urlex1":""}},{"cover":"","sub_title":"","listen_num":0,"report":"","id":23646,"title":"","type":10002,"jump_info":{"mid":"","id":0,"url":"
003XxGq831zlQv"},"pic_info":{"urlex2":"","mid":"","url":"http://y.gtimg.cn/music/common/upload/MUSIC_FOCUS/1788739.jpg","urlex1":""}},{"cover":"","sub_title":"","listen_num":0,"report":"","id":23554,"title":"","type":3002,"jump_info":{"mid":"","id":0,"url":"https://y.qq.com/m/digitalbum/gold/index.html?openinqqmusic=1&_video=true&mid=000H3CIo2BRJCl&g_f=yqqjiaodian"},"pic_info":{"urlex2":"","mid":"","url":"http://y.gtimg.cn/music/common/upload/MUSIC_FOCUS/1781158.jpg","urlex1":""}},{"cover":"","sub_title":"","listen_num":0,"report":"","id":23648,"title":"","type":10002,"jump_info":{"mid":"","id":0,"url":"003VJ4rz4FltZy"},"pic_info":{"urlex2":"","mid":"","url":"http://y.gtimg.cn/music/common/upload/MUSIC_FOCUS/1788440.jpg","urlex1":""}},{"cover":"","sub_title":"","listen_num":0,"report":"","
id":23636,"title":"","type":10002,"jump_info":{"mid":"","id":0,"url":"003BVXph3haZPj"},"pic_info":{"urlex2":"","mid":"","url":"http://y.gtimg.cn/music/common/upload/MUSIC_FOCUS/1783665.jpg","urlex1":""}},{"cover":"","sub_title":"","listen_num":0,"report":"","id":23619,"title":"","type":10002,"jump_info":{"mid":"","id":0,"url":"000iCavD0beBPq"},"pic_info":{"urlex2":"","mid":"","url":"http://y.gtimg.cn/music/common/upload/MUSIC_FOCUS/1784125.jpg","urlex1":""}},{"cover":"","sub_title":"","listen_num":0,"report":"","id":23629,"title":"","type":10002,"jump_info":{"mid":"","id":0,"url":"003HbRAe4Y8qqG"},"pic_info":{"urlex2":"","mid":"","url":"http://y.gtimg.cn/music/common/upload/MUSIC_FOCUS/1786011.jpg","urlex1":""}},{"cover":"","sub_title":"","listen_num":0,"report":"","id":23617,"title":"","t
ype":10002,"jump_info":{"mid":"","id":0,"url":"000W8zPv1woZcd"},"pic_info":{"urlex2":"","mid":"","url":"http://y.gtimg.cn/music/common/upload/MUSIC_FOCUS/1780111.jpg","urlex1":""}}]}""");
}
실행 결과-근소량
I/flutter (25292): {"code":200,"msg":"OK","timestamp":0,"data":[{"cover":"","sub_title":"","listen_num":0,"report":"","id":23644,"title":"","type":10002,"jump_info":{"mid":"","id":0,"url":"000kD0DI1EXpLO"},"pic_info":{"urlex2":"","mid":"","url":"http://y.gtimg.cn/music/common/upload/MUSIC_FOCUS/1788145.jpg","urlex1":""}},{"cover":"","sub_title":"","listen_num":0,"report":"","id":23601,"title":"","type":3002,"jump_info":{"mid":"","id":0,"url":"https://y.qq.com/m/digitalbum/gold/index.html?openinqqmusic=1&_video=true&mid=000XEFal22lEwn&g_f=yqqjiaodian"},"pic_info":{"urlex2":"","mid":"","url":"http://y.gtimg.cn/music/common/upload/MUSIC_FOCUS/1781138.jpg","urlex1":""}},{"cover":"","sub_title":"","listen_num":0,"report":"","id":23646,"title":"","type":10002,"jump_info":{"mid":"","id":0,"url":"
I/flutter (25292): 003XxGq831zlQv"},"pic_info":{"urlex2":"","mid":"","url":"http://y.gtimg.cn/music/common/upload/MUSIC_FOCUS/1788739.jpg","urlex1":""}},{"cover":"","sub_title":"","listen_num":0,"report":"","id":23554,"title":"","type":3002,"jump_info":{"mid":
jump로 출력되는 것을 볼 수 있습니다info ": {"mid ": 중단되었습니다. json을 완전히 출력하지 않았습니다.
디버깅할 때 이 데이터를 사용할 수 있지만, 로그 인쇄가 완전하지 않기 때문입니다.이 데이터를 가져오는 것을 끊어야 한다.아마 900Char 이후로는 출력을 하지 않을 거예요.따라서 지정한 limit 길이에 따라 로그 정보를 세그먼트로 인쇄합니다.LogUtil이 생겼습니다.
LogUtil 사용
void main() {
LogUtil.d("""{"code":200,"msg":"OK","timestamp":0,"data":[{"cover":"","sub_title":"","listen_num":0,"report":"","id":23644,"title":"","type":10002,"jump_info":{"mid":"","id":0,"url":"000kD0DI1EXpLO"},"pic_info":{"urlex2":"","mid":"","url":"http://y.gtimg.cn/music/common/upload/MUSIC_FOCUS/1788145.jpg","urlex1":""}},{"cover":"","sub_title":"","listen_num":0,"report":"","id":23601,"title":"","type":3002,"jump_info":{"mid":"","id":0,"url":"https://y.qq.com/m/digitalbum/gold/index.html?openinqqmusic=1&_video=true&mid=000XEFal22lEwn&g_f=yqqjiaodian"},"pic_info":{"urlex2":"","mid":"","url":"http://y.gtimg.cn/music/common/upload/MUSIC_FOCUS/1781138.jpg","urlex1":""}},{"cover":"","sub_title":"","listen_num":0,"report":"","id":23646,"title":"","type":10002,"jump_info":{"mid":"","id":0,"url":"
003XxGq831zlQv"},"pic_info":{"urlex2":"","mid":"","url":"http://y.gtimg.cn/music/common/upload/MUSIC_FOCUS/1788739.jpg","urlex1":""}},{"cover":"","sub_title":"","listen_num":0,"report":"","id":23554,"title":"","type":3002,"jump_info":{"mid":"","id":0,"url":"https://y.qq.com/m/digitalbum/gold/index.html?openinqqmusic=1&_video=true&mid=000H3CIo2BRJCl&g_f=yqqjiaodian"},"pic_info":{"urlex2":"","mid":"","url":"http://y.gtimg.cn/music/common/upload/MUSIC_FOCUS/1781158.jpg","urlex1":""}},{"cover":"","sub_title":"","listen_num":0,"report":"","id":23648,"title":"","type":10002,"jump_info":{"mid":"","id":0,"url":"003VJ4rz4FltZy"},"pic_info":{"urlex2":"","mid":"","url":"http://y.gtimg.cn/music/common/upload/MUSIC_FOCUS/1788440.jpg","urlex1":""}},{"cover":"","sub_title":"","listen_num":0,"report":"","
id":23636,"title":"","type":10002,"jump_info":{"mid":"","id":0,"url":"003BVXph3haZPj"},"pic_info":{"urlex2":"","mid":"","url":"http://y.gtimg.cn/music/common/upload/MUSIC_FOCUS/1783665.jpg","urlex1":""}},{"cover":"","sub_title":"","listen_num":0,"report":"","id":23619,"title":"","type":10002,"jump_info":{"mid":"","id":0,"url":"000iCavD0beBPq"},"pic_info":{"urlex2":"","mid":"","url":"http://y.gtimg.cn/music/common/upload/MUSIC_FOCUS/1784125.jpg","urlex1":""}},{"cover":"","sub_title":"","listen_num":0,"report":"","id":23629,"title":"","type":10002,"jump_info":{"mid":"","id":0,"url":"003HbRAe4Y8qqG"},"pic_info":{"urlex2":"","mid":"","url":"http://y.gtimg.cn/music/common/upload/MUSIC_FOCUS/1786011.jpg","urlex1":""}},{"cover":"","sub_title":"","listen_num":0,"report":"","id":23617,"title":"","t
ype":10002,"jump_info":{"mid":"","id":0,"url":"000W8zPv1woZcd"},"pic_info":{"urlex2":"","mid":"","url":"http://y.gtimg.cn/music/common/upload/MUSIC_FOCUS/1780111.jpg","urlex1":""}}]}""");
}
수행 결과 - 차이 없음
I/flutter (25762): =========Yl-Log=========
I/flutter (25762):
I/flutter (25762): {"code":200,"msg":"OK","timestamp":0,"data":[{"cover":"","sub_title":"","listen_num":0,"report":"","id":23644,"title":"","type":10002,"jump_info":{"mid":"","id":0,"url":"000kD0DI1EXpLO"},"pic_info":{"urlex2":"","mid":"","url":"http://y.gtimg.cn/music/common/upload/MUSIC_FOCUS/1788145.jpg","urlex1":""}},{"cover":"","sub_title":"","listen_num":0,"report":"","id":23601,"title":"","type":3002,"jump_info":{"mid":"","id":0,"url":"https://y.qq.com/m/digitalbum/gold/index.html?openinqqmusic=1&_video=true&mid=000XEFal22lEwn&g_f=yqqjiaodian"},"pic_info":{"urlex2":"","mid":"","url":"http://y.gtimg.cn/music/common/upload/MUSIC_FOCUS/1781138.jpg","urlex1":""}},{"cover":"","sub_title":"","listen_num":0,"report":"","id":23646,"title":"","type":10002,"jump_info":{"mid":"","id":0,"url":"
I/flutter (25762): 003XxGq831zlQv"},"p
I/flutter (25762): ic_info":{"urlex2":"","mid":"","url":"http://y.gtimg.cn/music/common/upload/MUSIC_FOCUS/1788739.jpg","urlex1":""}},{"cover":"","sub_title":"","listen_num":0,"report":"","id":23554,"title":"","type":3002,"jump_info":{"mid":"","id":0,"url":"https://y.qq.com/m/digitalbum/gold/index.html?openinqqmusic=1&_video=true&mid=000H3CIo2BRJCl&g_f=yqqjiaodian"},"pic_info":{"urlex2":"","mid":"","url":"http://y.gtimg.cn/music/common/upload/MUSIC_FOCUS/1781158.jpg","urlex1":""}},{"cover":"","sub_title":"","listen_num":0,"report":"","id":23648,"title":"","type":10002,"jump_info":{"mid":"","id":0,"url":"003VJ4rz4FltZy"},"pic_info":{"urlex2":"","mid":"","url":"http://y.gtimg.cn/music/common/upload/MUSIC_FOCUS/1788440.jpg","urlex1":""}},{"cover":"","sub_title":"","listen_num":0,"report":"","
I/flutter (25762): id":23636,"title":
I/flutter (25762): "","type":10002,"jump_info":{"mid":"","id":0,"url":"003BVXph3haZPj"},"pic_info":{"urlex2":"","mid":"","url":"http://y.gtimg.cn/music/common/upload/MUSIC_FOCUS/1783665.jpg","urlex1":""}},{"cover":"","sub_title":"","listen_num":0,"report":"","id":23619,"title":"","type":10002,"jump_info":{"mid":"","id":0,"url":"000iCavD0beBPq"},"pic_info":{"urlex2":"","mid":"","url":"http://y.gtimg.cn/music/common/upload/MUSIC_FOCUS/1784125.jpg","urlex1":""}},{"cover":"","sub_title":"","listen_num":0,"report":"","id":23629,"title":"","type":10002,"jump_info":{"mid":"","id":0,"url":"003HbRAe4Y8qqG"},"pic_info":{"urlex2":"","mid":"","url":"http://y.gtimg.cn/music/common/upload/MUSIC_FOCUS/1786011.jpg","urlex1":""}},{"cover":"","sub_title":"","listen_num":0,"report":"","id":23617,"title":"","t
I/flutter (25762): ype":10002,"jump_
I/flutter (25762): info":{"mid":"","id":0,"url":"000W8zPv1woZcd"},"pic_info":{"urlex2":"","mid":"","url":"http://y.gtimg.cn/music/common/upload/MUSIC_FOCUS/1780111.jpg","urlex1":""}}]}
I/flutter (25762):
I/flutter (25762): =====================
LogUtil
Api
///
///const bool isDebug = !const bool.fromEnvironment("dart.vm.product");
// isDebug true limitLength 800
LogUtil.init(title: " LogUtil", isDebug: isDebug,limitLength:800);
var log = " ";
// Debug
LogUtil.d(log);
LogUtil.d(" ");
//
LogUtil.v(log);
LogUtil.v(" ");
LogUtil 소스 logutil
import 'package:flutter/cupertino.dart';
class LogUtil {
static var _separator = "=";
static var _split =
"$_separator$_separator$_separator$_separator$_separator$_separator$_separator$_separator$_separator";
static var _title = "Yl-Log";
static var _isDebug = true;
static int _limitLength = 800;
static String _startLine = "$_split$_title$_split";
static String _endLine = "$_split$_separator$_separator$_separator$_split";
static void init({String title, @required bool isDebug,int limitLength}) {
_title = title;
_isDebug = isDebug;
_limitLength = limitLength??=_limitLength;
_startLine = "$_split$_title$_split";
var endLineStr = StringBuffer();
var cnCharReg = RegExp("[\u4e00-\u9fa5]");
for (int i = 0; i < _startLine.length; i++) {
if (cnCharReg.stringMatch(_startLine[i]) != null) {
endLineStr.write(_separator);
}
endLineStr.write(_separator);
}
_endLine = endLineStr.toString();
}
// Debug
static void d(dynamic obj) {
if (_isDebug) {
_log(obj.toString());
}
}
static void v(dynamic obj) {
_log(obj.toString());
}
static void _log(String msg) {
print("$_startLine");
_logEmpyLine();
if(msg.length<_limitLength){
print(msg);
}else{
segmentationLog(msg);
}
_logEmpyLine();
print("$_endLine");
}
static void segmentationLog(String msg) {
var outStr = StringBuffer();
for (var index = 0; index < msg.length; index++) {
outStr.write(msg[index]);
if (index % _limitLength == 0 && index!=0) {
print(outStr);
outStr.clear();
var lastIndex = index+1;
if(msg.length-lastIndex<_limitLength){
var remainderStr = msg.substring(lastIndex,msg.length);
print(remainderStr);
break;
}
}
}
}
static void _logEmpyLine(){
print("");
}
}
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