package main import ( "fmt" "os" ) func main() { // Specify the path of the directory you want to create directoryPath := "./my_directory" // Check if the directory already exists if _, err := os.Stat(directoryPath); os.IsNotExist(err) { // The directory does not exist, so...
= nil{// fmt.Println("err:",err)// return//}//fmt.Println("多层文件夹创建成功")//3.创建文件:Create采用模式0666(任何人都可读写,不可执行)创建一个名为name的文件,如果文件已存在会截断它(为空文件)//file1,err :=os.Create("/Users/ruby/Documents/pro/a/ab.txt")//if err != nil{// ...
realRoot, err = utils.ReadSymlinkedDirectory(config.Root)iferr !=nil{returnnil, fmt.Errorf("Unable to get the full path to root (%s): %s", config.Root, err) } } config.Root = realRoot// Create the root directory if it doesn't existsiferr := os.MkdirAll(config.Root,0700); err...
})// Prepare to be able to save configurationcfgFile := locations[locConfigFile]varmyNamestring// Load the configuration file, if it exists.// If it does not, create a template.ifinfo, err := os.Stat(cfgFile); err ==nil{if!info.Mode().IsRegular() { l.Fatalln("Config file is ...
// 创建文件,如果文件不存在 O_CREATE int = syscall.O_CREAT // create a new file if none exists. // 与创建文件一同使用,文件必须存在 O_EXCL int = syscall.O_EXCL // used with O_CREATE, file must not exist. // 打开一个同步的文件流 O_SYNC int = syscall.O_SYNC // open for synchr...
O_CREATE int = syscall.O_CREAT//create a new file if none exists.17//O_EXCL int = syscall.O_EXCL//used with O_CREATE, file must not exist18//O_SYNC int = syscall.O_SYNC//open for synchronous I/O.19//O_TRUNC int = syscall.O_TRUNC//if possible, truncate file when opened.20...
有了后端服务,现在可以添加前端框架。我们使用esbuild-create-react-app来安装react框架 现在根目录下安装React npx esbuild-create-react-app app cd app yarn start | npm run start 过程中您会看到语言的选择,请选择Typescript。 W E L C O M E T O ...
Create directory $GOPATH/src/github.com/nknorg/ if not exists In directory $GOPATH/src/github.com/nknorg/ clone the repository $ git clone https://github.com/nknorg/nkn.git Install package management toolglideif it's not installed on your system. ...
build constraints// consider the values of GOARCH and GOOS as satisfied tags.BuildTags[]stringReleaseTags[]string// The install suffix specifies a suffix to use in the name of the installation// directory. By default it is empty, but custom builds that need to keep// their outputs separate...
1ctx, cancelfunc := context.WithTimeout(context.Background(), 5*time.Second)2defer cancelfunc()3res, err := db.ExecContext(ctx, "CREATE DATABASE IF NOT EXISTS "+dbname)4if err != nil {5log.Printf("Error %s when creating DB\n", err)6return7}8no, err := res.RowsAffected()9...