utils

Documentation

Index

• func B2S(b []byte) string
• func ChineseLength(str string, limit int) int
• func ChunkString(s string, chunkSize int) []string
• func ComputeMd5AndLength(r io.Reader) ([]byte, int64)
• func HttpGetBytes(url, cookie string) ([]byte, error)
• func HttpPostBytes(url string, data []byte) ([]byte, error)
• func HttpPostBytesWithCookie(url string, data []byte, cookie string, contentType ...string) ([]byte, error)
• func IsChanClosed(ch interface{}) bool
• func MultiReadSeeker(r ...io.ReadSeeker) io.ReadSeeker
• func RandomString(len int) string
• func RandomStringRange(len int, str string) string
• func S2B(s string) (b []byte)
• func ToGroupCode(groupUin int64) int64
• func ToGroupUin(groupCode int64) int64
• type Cache
  • func NewCache(interval time.Duration) *Cache
  • func (cache *Cache) Add(key string, value interface{}, ttl time.Duration)
  • func (cache *Cache) Count() int
  • func (cache *Cache) Get(key string) (interface{}, bool)
  • func (cache *Cache) GetAndUpdate(key string, ttl time.Duration) (interface{}, bool)
  • func (cache *Cache) GetKeys() []interface{}

Functions

func B2S

func B2S(b []byte) string

from github.com/savsgio/gotils/strconv B2S converts byte slice to a string without memory allocation. See https://groups.google.com/forum/#!msg/Golang-Nuts/ENgbUzYvCuU/90yGx7GUAgAJ .

func ChineseLength

func ChineseLength(str string, limit int) int

func ChunkString

func ChunkString(s string, chunkSize int) []string

func ComputeMd5AndLength

func ComputeMd5AndLength(r io.Reader) ([]byte, int64)

func HttpGetBytes

func HttpGetBytes(url, cookie string) ([]byte, error)

HttpGetBytes 带 cookie 的 GET 请求

func HttpPostBytes

func HttpPostBytes(url string, data []byte) ([]byte, error)

func HttpPostBytesWithCookie

func HttpPostBytesWithCookie(url string, data []byte, cookie string, contentType ...string) ([]byte, error)

func IsChanClosed

func IsChanClosed(ch interface{}) bool

func MultiReadSeeker

func MultiReadSeeker(r ...io.ReadSeeker) io.ReadSeeker

func RandomString

func RandomString(len int) string

func RandomStringRange

func RandomStringRange(len int, str string) string

func S2B

func S2B(s string) (b []byte)

S2B converts string to a byte slice without memory allocation.

Note it may break if string and/or slice header will change in the future go versions.

func ToGroupCode

func ToGroupCode(groupUin int64) int64

func ToGroupUin

func ToGroupUin(groupCode int64) int64

Types

type Cache

type Cache struct {
	// contains filtered or unexported fields
}

Cache - simple implementation of cache More information: https://en.wikipedia.org/wiki/Time_to_live

func NewCache

func NewCache(interval time.Duration) *Cache

NewCache - initialization of new cache. For avoid mistake - minimal time to live is 1 minute. For simplification, - key is string and cache haven`t stop method

func (*Cache) Add

func (cache *Cache) Add(key string, value interface{}, ttl time.Duration)

Add - add key/value in cache

func (*Cache) Count

func (cache *Cache) Count() int

Count - return amount element of TTL map.

func (*Cache) Get

func (cache *Cache) Get(key string) (interface{}, bool)

Get - return value from cache

func (*Cache) GetAndUpdate

func (cache *Cache) GetAndUpdate(key string, ttl time.Duration) (interface{}, bool)

func (*Cache) GetKeys

func (cache *Cache) GetKeys() []interface{}

GetKeys - return all keys of cache map