标准库常用包介绍

标准库

https://godoc.org/-/go

builtin 包

常量

true,false,iota

函数

len cap close(c chan Type) delete(map,key) make new panic recover

类型

int8 ~ int64 uint8(byte) ~ uint64 uint int  uintptr float32 float64 rune bool error string

strings 包

函数

Contains  Index Split Replace ToLower ToUpper Trim

类型

Reader Replacer

strconv 包

函数

Atoi Itoa FormatInt  ParseInt

sort 包

对 slices 和自定义集合进行排序

函数

Sort

os 包

函数

Exit （code int）

Exit causes the current program to exit with the given status code. Conventionally, code zero indicates success, non-zero an error. The program terminates immediately; deferred functions are not run.

Mkdir Remove Rename Truncate

类型

File FileInfo PathError Process  Signal

exec 包

类型

Cmd Error ExitError Mutex

sync 包

类型

Cond  Locker Mutex RWMutex Pool WaitGroup

io 包

函数

Copy ReadFull WriteString

类型

ByteReader ByteScanner ByteWriter Closer PipedReader PipedWriter ReadWriter Reader Seeker Writer WriterTo WriterAt

io/util 包

函数

ReaderAll ReadDir ReadFile WriterFile TempDir TempFile

bufio 包

常量

MaxScanTokenSize = 64 * 1024

函数

ScanBytes ScanLines ScanWords

类型

Reader  Writer ReadWriter Scanner

time 包

函数

After Sleep Tick

类型

Time Duration Location Month Weekday TickerTimer

path 包

函数

Base Clean Dir Join Match Split

database/sql 包

函数

Drivers Register

类型

ColumnType DB Result Rows Scanner Stmt

net 包

函数

LookupAddr LookupCNAME LookupHost LookupIP LookupPort

类型

Addr Buffers Conn Pipe Dialer Flags IP IPAddr IPConn DialIP ListenIP IPNet  Listener Resolver TCPAddr TCPConn TCPListener UDPAddr UDPConn UnixAddr UnixConn UnixListener UnknownNetworkError

net/http 包

函数

Error Handle HandleFunc ListenAndServe NotFound Redirect ServeFile SetCookie

类型

Client Cookie Dir File FileSystem RedirectHandler HandlerFunc Header Pusher Request Response Server Transport