初学Golang就记一下go语言的文件操作 Read File func main(){ rw,err := os.Open("") if err != nil { panic(err) } defer rw.Close() rb := bufio.NewReader(rw) for { line, _, err := rb.ReadLine() if err == io.EOF { break } //do something fmt.Println(string(line)) } } ...
opRead readOp = -1 // Any other read operation. opInvalid readOp = 0 // Non-read operation. opReadRune1 readOp = 1 // Read rune of size 1. opReadRune2 readOp = 2 // Read rune of size 2. opReadRune3 readOp = 3 // Read rune of size 3. opReadRune4 readOp = 4 // Rea...
//通过string创建Buffer bf2 := bytes.NewBufferString(data); //读取第一个 delim 及其之前的内容,返回遇到的错误 line, _ := bf2.ReadBytes('3'); fmt.Println(string(line)); //效果同上,返回string line2, _ := bf2.ReadString('7'); fmt.Println(line2); //创建一个空Buffer bf3 := bytes....
fmt.Printf("readByLine: %d %s\n", i+1, line) }//*fmt.Println() lines, err= readLikeTail(testFileName,3)fori, line :=range lines { fmt.Printf("readLikeTail: %d %s\n", i+1, line) } } 写文件的操作: func writeToFile(msgstring) { f, err := os.OpenFile("/home/mingbai/d...
func (b *Buffer) ReadFrom(r io.Reader) (n int64, err error) func (b *Buffer) ReadRune() (r rune, size int, err error) func (b *Buffer) ReadString(delim byte) (line string, err error) func (b *Buffer) Reset() func (b *Buffer) String() string ...
README BSD-3-Clause license Go Tools This repository provides thegolang.org/x/toolsmodule, comprising various tools and packages mostly for static analysis of Go programs, some of which are listed below. Use the "Go reference" link above for more information about any package. ...
.github binding docs examples ginS internal render testdata .gitignore .golangci.yml .goreleaser.yaml AUTHORS.md BENCHMARKS.md CHANGELOG.md CODE_OF_CONDUCT.md CONTRIBUTING.md LICENSE Makefile README.md auth.go auth_test.go benchmarks_test.go ...
在学习和使用Go语言过程中,了解其执行原理和常用命令是非常重要的。同时,编写规范的代码和使用常用工具也是提高开发效率和代码质量的关键。本文将深入探讨Go语言的执行原理,介绍常用的命令,以及详细讲解编码规范和常用工具的使用方法。 摘要: 本文通过介绍Go语言的执行原理和常用命令,帮助读者全面了解Go的工作原理和常用命...
varname stringvarage intvarheight float64vargraduated bool// &name 就是接收用户命令行中输入的-n后面的参数值// 返回值是一个用来存储name参数的值的指针/地址// 定义string类型命令行参数name,括号中依次是变量名、flag参数名、默认值、参数说明flag.StringVar(&name,"n","","name参数,默认为空")// 定...
作者:smallyang,腾讯 IEG 运营开发工程师 当我深入的学习和了解了 GORM,XORM 后,我还是觉得它们不够简洁和优雅,有些笨重,有很大的学习成本。本着学习和探索的目的,于是我自己实现了一个简单且优雅的 go 语言…