How to use newColorable method of formatter Package

1package log2import (3	"errors"4	"fmt"5	"os"6	"path/filepath"7	"time"8	"github.com/mattn/go-colorable"9	log "github.com/sirupsen/logrus"10)11type logFileWriter struct {12	infoWriter  *os.File13	debugWriter *os.File14	errorWriter *os.File15	warnWriter  *os.File16	rootPath    string17	fileDate    string //日期18	entryLevel  string19}20const (21	infoLevel  = "info"22	debugLevel = "debug"23	errorLevel = "error"24	warnLevel  = "warn"25)26var (27	fileWriter = &logFileWriter{rootPath: "./scopeLog", entryLevel: infoLevel}28	stdout     = colorable.NewColorableStdout()29)30type LoggerFormat struct {31	logWriter *logFileWriter32}33func (s *LoggerFormat) Format(entry *log.Entry) ([]byte, error) {34	timestamp := time.Now().Local().Format("2006-01-02 15:04:05.000")35	var file string36	var length int37	if entry.Caller != nil {38		file = filepath.Base(entry.Caller.File)39		length = entry.Caller.Line40	}41	//d为1 表示高亮42	//red: (prefix=31,b=40,d=1)43	//green (f=32,b=40,d=1)44	//yellow (f=33,b=40,d=1)45	//cyan (f=34,b=40,d=1)46	var colorFomat string47	switch entry.Level {48	case log.DebugLevel:49		//cyan50		colorFomat = fmt.Sprintf("%c[%d;%d;%dm", 0x1B, 1, 1, 34)51		s.logWriter.entryLevel = debugLevel52	case log.InfoLevel:53		//green54		colorFomat = fmt.Sprintf("%c[%d;%d;%dm", 0x1B, 1, 1, 32)55		s.logWriter.entryLevel = infoLevel56	case log.ErrorLevel:57		//red [显示方式（1：高亮）、背景颜色(黑色:40)、颜色 ]58		colorFomat = fmt.Sprintf("%c[%d;%d;%dm", 0x1B, 1, 1, 31)59		s.logWriter.entryLevel = errorLevel60	case log.WarnLevel:61		//yellow62		colorFomat = fmt.Sprintf("%c[%d;%d;%dm", 0x1B, 1, 1, 33)63		s.logWriter.entryLevel = warnLevel64	}65	msg := fmt.Sprintf("%s[%s:] [%s:%d] %s \u001B[0m msg:%s \n", colorFomat, entry.Level.String(), file, length, timestamp, entry.Message)66	return []byte(msg), nil67}68func (p *logFileWriter) Write(data []byte) (n int, err error) {69	if p == nil {70		return 0, errors.New("logFileWriter is nil")71	}72	//判断是否需要切换日期73	fileDate := time.Now().Format("20060102")74	if p.fileDate != fileDate {75		switch p.entryLevel {76		case infoLevel:77			err = os.MkdirAll(fmt.Sprintf("%s/%s", p.rootPath, infoLevel), os.ModePerm)78			if err != nil {79				fmt.Errorf("%s\n", err.Error())80				return 0, err81			}82			infofileName := fmt.Sprintf("%s/%s/%s-%s.logger", p.rootPath, infoLevel, infoLevel, fileDate)83			p.infoWriter, err = os.OpenFile(infofileName, os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0600)84			checkError(err)85			writer := colorable.NewColorable(fileWriter.infoWriter)86			n, err = writer.Write(data)87		case errorLevel:88			err = os.MkdirAll(fmt.Sprintf("%s/%s", p.rootPath, errorLevel), os.ModePerm)89			if err != nil {90				fmt.Errorf("%s\n", err.Error())91				return 0, err92			}93			errorfileName := fmt.Sprintf("%s/%s/%s-%s.logger", p.rootPath, errorLevel, errorLevel, fileDate)94			p.errorWriter, err = os.OpenFile(errorfileName, os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0600)95			checkError(err)96			writer := colorable.NewColorable(fileWriter.errorWriter)97			n, err = writer.Write(data)98		case debugLevel:99			err = os.MkdirAll(fmt.Sprintf("%s/%s", p.rootPath, debugLevel), os.ModePerm)100			if err != nil {101				fmt.Errorf("%s\n", err.Error())102				return 0, err103			}104			debugfileName := fmt.Sprintf("%s/%s/%s-%s.logger", p.rootPath, debugLevel, debugLevel, fileDate)105			p.debugWriter, err = os.OpenFile(debugfileName, os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0600)106			checkError(err)107			writer := colorable.NewColorable(fileWriter.debugWriter)108			n, err = writer.Write(data)109		case warnLevel:110			err = os.MkdirAll(fmt.Sprintf("%s/%s", p.rootPath, warnLevel), os.ModePerm)111			if err != nil {112				fmt.Errorf("%s\n", err.Error())113				return 0, err114			}115			warnfileName := fmt.Sprintf("%s/%s/%s-%s.logger", p.rootPath, warnLevel, warnLevel, fileDate)116			p.warnWriter, err = os.OpenFile(warnfileName, os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0600)117			checkError(err)118			writer := colorable.NewColorable(fileWriter.warnWriter)119			n, err = writer.Write(data)120		default:121			fmt.Errorf("unexpected logger level")122		}123	}124	return125}126func checkError(err error) {127	if err != nil {128		fmt.Errorf("%s\n", err)129		return130	}131}132//初始化日志133func Init() {134	rootPath := "./scopeLog"135	log.SetLevel(log.DebugLevel)136	//创建目录137	err := os.MkdirAll(fmt.Sprintf("%s/%s", rootPath, infoLevel), os.ModePerm)138	checkError(err)139	err = os.MkdirAll(fmt.Sprintf("%s/%s", rootPath, errorLevel), os.ModePerm)140	checkError(err)141	err = os.MkdirAll(fmt.Sprintf("%s/%s", rootPath, debugLevel), os.ModePerm)142	checkError(err)143	err = os.MkdirAll(fmt.Sprintf("%s/%s", rootPath, warnLevel), os.ModePerm)144	checkError(err)145	log.SetFormatter(&LoggerFormat{146		logWriter: fileWriter,147	})148	log.SetReportCaller(true)149	log.SetOutput(fileWriter)150}...

...5	"regexp"6	"strings"7)8// ColorableStdOut and ColorableStdErr enable color output support on Windows9var ColorableStdOut = newColorable(os.Stdout)10var ColorableStdErr = newColorable(os.Stderr)11const COLS = 8012type ColorMode uint813const (14	ColorModeNone ColorMode = iota15	ColorModeTerminal16	ColorModePassthrough17)18var SingletonFormatter = New(ColorModeTerminal)19func F(format string, args ...interface{}) string {20	return SingletonFormatter.F(format, args...)21}22func Fi(indentation uint, format string, args ...interface{}) string {23	return SingletonFormatter.Fi(indentation, format, args...)24}...

1import (2func main() {3    formatter := color.New(color.FgHiBlue)4    formatter.Printf("This is a %s5    log.SetOutput(colorable.NewColorable(formatter))6    log.Println("This is a formatted log entry")7}

1import (2func main() {3	f := color.New(color.FgRed, color.Bold, color.Underline)4	fmt.Println(f.Sprintf("This is a %s", "formatted string"))5}6import (7func main() {8	f := color.New(color.FgRed, color.Bold, color.Underline)9	fmt.Println(f.Sprintf("This is a %s", "formatted string"))10}11import (12func main() {13	f := color.New(color.FgRed, color.Bold, color.Underline)14	fmt.Println(f.Sprintf("This is a %s", "formatted string"))15}16import (17func main() {18	f := color.New(color.FgRed, color.Bold, color.Underline)19	fmt.Println(f.Sprintf("This is a %s", "formatted string"))20}21import (22func main() {23	f := color.New(color.FgRed, color.Bold