common

func FromJSONBase64 ¶

func FromJSONBase64(encodeStr string, obj interface{}) error

Decode encodeStr using base64, and then use json to convert to obj.

func Paginate ¶

func Paginate(total, perPage, page int) (begin, end int)

This function implements the paging of List, inputting the total number of data (usually the length of Slice), the number of each page, and the page number. The function guarantees that Begin and End do not exceed the total number of data.

If input perPage is less than 1, it will be set as DefaultPerPage. If input page is less than 1, it will be set as DefaultPage.

Returns the start and end position of the pagination.

func ToJSONBase64 ¶

func ToJSONBase64(obj interface{}) (string, error)

Convert obj to json string, and then encode it with base64.