框架
https://github.com/go-martini/martini
图形验证码
https://github.com/dchest/captcha
ORM
https://github.com/jinzhu/gorm
表单验证
https://github.com/asaskevich/govalidator
时间插件
https://github.com/uniplaces/carbon
Redis
https://github.com/go-redis/redis
Excel
https://github.com/tealeg/xlsx
配置
https://github.com/spf13/viper
https://github.com/go-gomail/gomail/
Curl
解析未知json
https://github.com/bitly/go-simplejson