datastorage

Documentation

Overview

use google cloud storage to store media files like image since go cloud storage package is in experimental and may make backwards-incompatible changes, this package should be updated correspondingly

Index

• Variables
• func Put(key string, data []byte, ctx appengine.Context) (string, error)
• func PutMulti(key []string, data [][]byte, ctx appengine.Context) ([]string, []error)

Variables

var ErrNumberNotMatch = errors.New("#key isn't same as #data")

used in PutMulti to enforce that number of keys should equal with number of data

Functions

func Put

func Put(key string, data []byte, ctx appengine.Context) (string, error)

Put stores data into bucket under with filrname "key". if returns a url that can be used to read this data what if data already exist?

func PutMulti

func PutMulti(key []string, data [][]byte, ctx appengine.Context) ([]string, []error)

PutMulti stores multiple item in cloud storage in one stroke. It use goroutine to do multitasking It will return error[0] with ErrNumberNotMatch if the #key isn't same as #datas It will return a slice of strings as url if that item is stored successfully. But if there is an error to store that item, then an error will be put in corresponding space.