gox

package module
v1.2.28 Latest Latest
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 Go to latest Published: Dec 1, 2020 License: Apache-2.0 Imports: 32 Imported by: 0

README

gox

Golang的基础库，提供各种便捷的方法，包括

  • 字符串
  • 配置
  • 时间处理
  • 基础类型

感谢

jetbrains-variant-4.png

Documentation

Index

Constants

View Source 
const (
	// Http常用头
	// HeaderAcceptLanguage 可接受的语言
	HeaderAcceptLanguage = "Accept-Language"
	// HeaderContentType 请求数据类型
	HeaderContentType = "Content-Type"
	// HeaderAuthorization 授权
	HeaderAuthorization = "Authorization"
	// HeaderContentDisposition
	HeaderContentDisposition = "Content-disposition"

	// Http方法集合
	// HttpMethodGet GET方法
	HttpMethodGet HttpMethod = "GET"
	// HttpMethodPost POST方法
	HttpMethodPost HttpMethod = "POST"
	// HttpMethodPut PUT方法
	HttpMethodPut HttpMethod = "PUT"
	// HttpMethodDelete DELETE方法
	HttpMethodDelete HttpMethod = "DELETE"
	// MethodPatch PATCH方法
	HttpMethodPatch HttpMethod = "PATCH"
	// MethodHead HEAD方法
	HttpMethodHead HttpMethod = "HEAD"
	// MethodOptions OPTIONS方法
	HttpMethodOptions HttpMethod = "OPTIONS"
)
View Source 
const (
	// DefaultTimeLayout 默认的时间布局
	DefaultTimeLayout = "2006-01-02 15:04:05"

	// 时间常量
	// Day 一天
	Day = 24 * time.Hour
	// Week 一周
	Week = 7 * Day
	// Month 一个月
	Month = 30 * Day
	// Year 一年
	Year = 365 * Day
)

Variables

View Source 
var (
	// 文件相关
	ErrOnCopySelf   = &CodeError{ErrorCode: 1001, Message: "不能复制或者移动自身"}
	ErrSrcIsNotFile = &CodeError{ErrorCode: 1002, Message: "源文件不是文件"}

	// 密钥相关
	ErrKeySize = &CodeError{ErrorCode: 2001, Message: "密钥位数有错，必须是8的倍数"}
)
View Source 
var (
	// Separate nested key components with dots, e.g. "a.b.1.c.d"
	DotStyle = SeparatorStyle{Middle: "."}

	// Separate with path-like slashes, e.g. a/b/1/c/d
	PathStyle = SeparatorStyle{Middle: "/"}

	// Separate ala Rails, e.g. "a[b][c][1][d]"
	RailsStyle = SeparatorStyle{Before: "[", After: "]"}

	// Separate with underscores, e.g. "a_b_1_c_d"
	UnderscoreStyle = SeparatorStyle{Middle: "_"}
)

Default styles

View Source 
var (
	// Epoch is set to the twitter snowflake epoch of Nov 04 2010 01:42:54 UTC in milliseconds
	// You may customize this to set a different epoch for your application.
	Epoch int64 = 1288834974657

	// NodeBits holds the number of bits to use for Snowflake
	// Remember, you have a total 22 bits to share between Snowflake/Step
	NodeBits uint8 = 10

	// StepBits holds the number of bits to use for Step
	// Remember, you have a total 22 bits to share between Snowflake/Step
	StepBits uint8 = 12
)
View Source 
var ErrInvalidBase32 = errors.New("invalid base32")

ErrInvalidBase32 is returned by ParseBase32 when given an invalid []byte

View Source 
var ErrInvalidBase58 = errors.New("invalid base58")

ErrInvalidBase58 is returned by ParseBase58 when given an invalid []byte

View Source 
var NotValidInputError = errors.New("Not a valid input: map or slice")

Nested input must be a map or slice

View Source 
var NotValidJsonInputError = errors.New("Not a valid input, must be a map")

JSON nested input must be a map

View Source 
var WeekdayCN = []string{
	"周日",
	"周一",
	"周二",
	"周三",
	"周四",
	"周五",
	"周六",
}

WeekdayCN 中文的星期几

Functions

func CamelName 

func CamelName(name string) string

CamelName 下划线写法转为驼峰写法

func CheckPasswordHash 

func CheckPasswordHash(password, hash string) bool

CheckPasswordHash 检查密码的正确性

func ContentDisposition 

func ContentDisposition(filename string, dispositionType ContentDispositionType) (disposition string)

ContentDisposition 解决附件下载乱码

func Contract 

func Contract(separator string, strings ...string) (result string)

Contract 字符串连接

func CopyFile added in v1.2.0 

func CopyFile(src, dst string) (copyFiles []string, err error)

func CreateDir added in v1.2.0 

func CreateDir(dirName string) error

func CreateFile added in v1.2.0 

func CreateFile(file string) error

func DeleteFile added in v1.2.0 

func DeleteFile(src string) (err error)

DeleteFile 删除的文件

func DirNotExistCreate added in v1.2.0 

func DirNotExistCreate(path string) (err error)

DirNotExistCreate err为空存在,不会空则

func Flatten 

func Flatten(nested map[string]interface{}, prefix string, style SeparatorStyle) (map[string]interface{}, error)

Flatten generates a flat map from a nested one. The original may include values of type map, slice and scalar, but not struct. Keys in the flat map will be a compound of descending map keys and slice iterations. The presentation of keys is set by style. A prefix is joined to each key.

func FlattenString 

func FlattenString(nestedStr, prefix string, style SeparatorStyle) (string, error)

FlattenString generates a flat JSON map from a nested one. Keys in the flat map will be a compound of descending map keys and slice iterations. The presentation of keys is set by style. A prefix is joined to each key.

func GetAllFilesBy added in v1.2.0 

func GetAllFilesBy(pathName string, ty FileType) (allFiles []string, err error)

func GetContentType added in v1.2.0 

func GetContentType(filepath string) (contentType string, err error)

GetContentType 获得文件的ContentType

func GetDirFatherDeep added in v1.2.0 

func GetDirFatherDeep(dir string) int

GetDirFatherDeep dir以/开头

func GetDirSonDeep added in v1.2.0 

func GetDirSonDeep(dir string) int

func GetFileContentType added in v1.2.0 

func GetFileContentType(file *os.File) (contentType string, err error)

GetFileContentType 获得文件的ContentType

func GetFileDir added in v1.2.0 

func GetFileDir(filePath string) string

GetFileDir 获得文件的目录形式

func GetFilename added in v1.2.7 

func GetFilename(filePath string) string

GetFilename 获得文件名

func GetFilenameWithExt added in v1.2.7 

func GetFilenameWithExt(filePath string, ext string) (path string)

GetFilenameWithExt 获得带扩展名的文件名

func GetNeedDeleteFiles added in v1.2.0 

func GetNeedDeleteFiles(src string) (deleteFiles []string, err error)

func HashPassword 

func HashPassword(password string) (string, error)

HashPassword 生成密码

func HashPasswordWithCost 

func HashPasswordWithCost(password string, cost int) (string, error)

HashPasswordWithCost 生成密码

func InitialLowercase 

func InitialLowercase(from string) (to string)

InitialLowercase 首字母小写

func IsDir added in v1.2.0 

func IsDir(path string) (bool, error)

IsDir 判断所给路径是否为文件夹

func IsFileExist added in v1.2.0 

func IsFileExist(filename string) bool

IsFileExist 判断文件是否存在

func IsInArray 

func IsInArray(val interface{}, array interface{}) (exists bool, index int)

IsInArray 通用的判断数据是否在数组中

func JSONInit 

func JSONInit(db *sql.DB, initializer JSONInitializer, table string, field string) (err error)

JSONInit JSON字段初始化

func JSONString 

func JSONString(obj interface{}) string

JSONString 转换成JSON字符串

func ListDir added in v1.2.0 

func ListDir(src string) (infos []string, err error)

func MapToStruct 

func MapToStruct(model map[string]interface{}, obj interface{}) (err error)

MapToStruct Map转换成结构体

func Md5 

func Md5(from string) (to string, err error)

Md5 将字符串加密成Md5字符串

func MoveFile added in v1.2.0 

func MoveFile(src, dst string) (err error)

func MySQLJsonInit 

func MySQLJsonInit(
	table string, filed string,
	conditionFiled string, conditionValue interface{},
	initField string, initFieldValue interface{},
	paths ...string,
) (sql string, err error)

MySQLJsonInit JSON初始化

func MySQLJsonUpdate 

func MySQLJsonUpdate(
	table string, filed string,
	conditionFiled string, conditionValue interface{},
	data map[string]interface{},
) (sql string, err error)

MySQLJsonUpdate 生成MySQL JSON增量更新SQL语句的快捷方式

func MySQLJsonUpdateWithConfig 

func MySQLJsonUpdateWithConfig(
	table string, filed string,
	conditionFiled string, conditionValue interface{},
	data map[string]interface{},
	prefix string, style SeparatorStyle,
) (sql string, err error)

MySQLJsonUpdateWithConfig 生成MySQL JSON增量更新SQL语句

func NewPage 

func NewPage(items interface{}, totalNum int64, perPage int, page int, extras ...extraPageData) *pageData

NewPage 生成新的分页数据对象

func NewPageExtra added in v1.2.27 

func NewPageExtra(key string, value interface{}) *extraPageData

func RandString 

func RandString(length int) string

RandString 生成随时字符串

func RenameFile added in v1.2.0 

func RenameFile(src, dst string) error

func RenderToFile 

func RenderToFile(filename string, input string, data interface{}, isFile bool) (err error)

RenderToFile 渲染模板到文件

func SearchString 

func SearchString(slice []string, s string) int

SearchString 字符串查询

func StructToMap 

func StructToMap(obj interface{}) (model map[string]interface{}, err error)

StructToMap 结构体转换成Map

func SymmetricKey 

func SymmetricKey(bits uint) (key []byte, err error)

SymmetricKey 生成对称加密算法密钥

func UnZip 

func UnZip(zipFileName, destFileName string) (err error)

解压

func UnderscoreName 

func UnderscoreName(name string, upperInitial bool) string

驼峰式写法转为下划线写法

func ValidFilename added in v1.2.0 

func ValidFilename(filename string) bool

ValidFilename 有效文件名（Windows标准）

func ValidFilepath added in v1.2.0 

func ValidFilepath(filepath string) bool

ValidFilepath 有效文件夹名

func Zip 

func Zip(destFileName string, zipFileNames ...string) (err error)

Zip 压缩文件

Types

type BaseStruct 

type BaseStruct struct {
	// 编号
	Id int64 `xorm:"pk notnull unique index('idx_id') default(0)" json:"id,string"`
	// 创建时间
	CreatedAt Timestamp `xorm:"created default('2020-02-04 09:55:52')" json:"createdAt"`
	// 最后更新时间
	UpdatedAt Timestamp `xorm:"updated default('2020-02-04 09:55:52')" json:"updatedAt"`
}

BaseStruct Xorm基础模型

func (BaseStruct) Exists added in v1.2.0 

func (b BaseStruct) Exists() bool

Exists 对象是否存在

func (BaseStruct) IdString added in v1.2.0 

func (b BaseStruct) IdString() string

IdString Id的字符串形式

type BaseTag 

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

BaseTag Tag基础

func (*BaseTag) Contains 

func (tag *BaseTag) Contains(option string) (contains bool)

Contains 判断Tag是否包含某个属性

type BaseUser 

type BaseUser struct {
	BaseStruct `xorm:"extends"`

	// 用户名
	Username DBString `xorm:"varchar(32) notnull default('') unique(uidx_name)" json:"username" validate:"omitempty,min=1,max=32,email"`
	// 手机号
	// 类似于+86-17089792784
	Phone DBString `xorm:"varchar(15) notnull default('') unique(uidx_phone)" json:"phone" validate:"omitempty,mobile"`
	// 密码
	Pwd string `xorm:"varchar(512) notnull default('')" json:"-"`
}

基础用户数据

type CROS added in v1.2.0 

type CROS struct {
	AllowOrigins     []string `default:"['*']" yaml:"allowOrigins"`
	AllowCredentials bool     `default:"true" yaml:"allowCredentials"`
}

CROS 跨域配置

type CodeError added in v1.2.0 

type CodeError struct {
	// ErrorCode 错误码
	ErrorCode ErrorCode `json:"errorCode"`
	// Message 消息
	Message string `json:"message"`
	// Data 数据
	Data interface{} `json:"data"`
}

CodeError 带错误编号和消息的错误

func NewCodeError added in v1.2.0 

func NewCodeError(errorCode ErrorCode, message string, data interface{}) *CodeError

NewCodeError 创建错误

func (*CodeError) Error added in v1.2.0 

func (ce *CodeError) Error() string

func (*CodeError) ToData added in v1.2.0 

func (ce *CodeError) ToData() interface{}

func (*CodeError) ToErrorCode added in v1.2.0 

func (ce *CodeError) ToErrorCode() ErrorCode

func (*CodeError) ToMessage added in v1.2.25 

func (ce *CodeError) ToMessage() string

type Connection added in v1.2.11 

type Connection struct {
	// MaxOpen 最大打开连接数
	MaxOpen int `default:"150" yaml:"maxOpen" json:"maxOpen"`
	// MaxIdle 最大休眠连接数
	MaxIdle int `default:"30" yaml:"maxIdle" json:"maxIdle"`
	// MaxLifetime 每个连接最大存活时间
	MaxLifetime time.Duration `default:"5s" yaml:"maxLifetime" json:"maxLifetime"`
}

Connection 连接池配置

type ContentDispositionType 

type ContentDispositionType string

ContentDispositionType 下载类型 

const (
	// ContentDispositionTypeAttachment 附件下载
	ContentDispositionTypeAttachment ContentDispositionType = "attachment"
	// ContentDispositionTypeInline 浏览器直接打开
	ContentDispositionTypeInline ContentDispositionType = "inline"
)

type CreateStruct added in v1.2.0 

type CreateStruct struct {
	// 编号
	Id int64 `xorm:"pk notnull unique index('idx_id') default(0)" json:"id,string"`
	// 创建时间
	CreatedAt Timestamp `xorm:"created default('2020-02-04 09:55:52')" json:"createdAt"`
}

CreateStruct 带创建时间模型

type DBString added in v1.2.0 

type DBString string

func (*DBString) FromDB added in v1.2.0 

func (s *DBString) FromDB(bytes []byte) error

func (DBString) ToDB added in v1.2.0 

func (s DBString) ToDB() ([]byte, error)

type Database added in v1.2.0 

type Database struct {
	// Type 数据库类型，支持
	Type string `default:"sqlite3"`

	Address  string `default:"127.0.0.1:3306"`
	Username string
	Password string
	Protocol string `default:"tcp"`
	// Connection 连接池配置
	Connection Connection

	Suffix             string
	Prefix             string
	Schema             string `default:"schema"`
	MigrationTableName string `default:"migration"`
	Parameters         string
	Path               string `default:"data.db"`
}

Database 数据库配置

func (*Database) Dsn added in v1.2.0 

func (db *Database) Dsn() string

Dsn 取得数据库的DSN

type DeleteStruct added in v1.2.0 

type DeleteStruct struct {
	// 编号
	Id int64 `xorm:"pk notnull unique index('idx_id') default(0)" json:"id,string"`
	// 创建时间
	CreatedAt Timestamp `xorm:"created default('2020-02-04 09:55:52')" json:"createdAt"`
	// 最后更新时间
	UpdatedAt Timestamp `xorm:"updated default('2020-02-04 09:55:52')" json:"updatedAt"`
	// 删除时间
	// 用户软删除
	DeletedAt Timestamp `xorm:"deleted default('2020-02-04 09:55:52')" json:"deletedAt"`
}

DeleteStruct 软删除模型

type Duration 

type Duration time.Duration

Duration 弥补标准库不能使用ParseDuration

func (*Duration) Duration 

func (d *Duration) Duration() time.Duration

Duration 转换成time.Duration

func (Duration) MarshalJSON 

func (d Duration) MarshalJSON() ([]byte, error)

MarshalJSON 编码成JSON

func (*Duration) UnmarshalJSON 

func (d *Duration) UnmarshalJSON(b []byte) (err error)

UnmarshalJSON 解析JSON

type Error added in v1.2.0 

type Error interface {
	// ToErrorCode 返回错误码
	ToErrorCode() ErrorCode
	// ToMessage 返回错误消息
	ToMessage() string
	// ToData 返回错误实体
	// 在某些错误下，可能需要返回额外的信息给前端处理
	// 比如，认证错误，需要返回哪些字段有错误
	ToData() interface{}
}

Error 接口，符合条件的错误统一处理

type ErrorCode added in v1.2.0 

type ErrorCode int

ToErrorCode 错误码

type FileSize added in v1.2.0 

type FileSize string

默认大小:B

func (*FileSize) Size added in v1.2.0 

func (fs *FileSize) Size() (num int64)

返回多少B

type FileType added in v1.2.0 

type FileType int
const (
	// FileTypeAny 任何文件
	FileTypeAny FileType = 0
	// FileTypeDir 目录
	FileTypeDir FileType = 1
	// FileTypeFile 文件
	FileTypeFile FileType = 2
)

type HttpHeader 

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

HttpHeader Http请求头

func NewHttpHeader 

func NewHttpHeader(key string, value string) *HttpHeader

NewHttpHeader 创建一个Http请求头

func (*HttpHeader) Key 

func (hh *HttpHeader) Key() string

func (*HttpHeader) Type 

func (hh *HttpHeader) Type() HttpParameterType

func (*HttpHeader) Value 

func (hh *HttpHeader) Value() string

type HttpMethod 

type HttpMethod string

HttpMethod Http方法

type HttpParameter 

type HttpParameter interface {
	// Type 类型
	Type() HttpParameterType
	// Key 键
	Key() string
	// Value 值
	Value() string
}

HttpParameter Http额外参数接口

type HttpParameterType 

type HttpParameterType string

HttpParameterType Http额外参数类型 

const (
	// ContentDispositionTypeHeader 请求头
	HttpParameterTypeHeader HttpParameterType = "header"
	// ContentDispositionTypePathParameter 路径参数
	HttpParameterTypePathParameter HttpParameterType = "path"
)

type HttpPathParameter 

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

HttpPathParameter Http路径参数

func NewHttpPathParameter 

func NewHttpPathParameter(key string, value string) *HttpPathParameter

NewHttpPathParameter 创建一个Http路径参数

func (*HttpPathParameter) Key 

func (hh *HttpPathParameter) Key() string

func (*HttpPathParameter) Type 

func (hh *HttpPathParameter) Type() HttpParameterType

func (*HttpPathParameter) Value 

func (hh *HttpPathParameter) Value() string

type Id 

type Id int64

An Id is a custom type used for a snowflake Id. This is used so we can attach methods onto the Id.

func ParseBase2 added in v1.2.0 

func ParseBase2(id string) (Id, error)

ParseBase2 converts a Base2 string into a snowflake Id

func ParseBase32 added in v1.2.0 

func ParseBase32(b []byte) (Id, error)

ParseBase32 parses a base32 []byte into a snowflake Id NOTE: There are many different base32 implementations so becareful when doing any interoperation.

func ParseBase36 added in v1.2.0 

func ParseBase36(id string) (Id, error)

ParseBase36 converts a Base36 string into a snowflake Id

func ParseBase58 added in v1.2.0 

func ParseBase58(b []byte) (Id, error)

ParseBase58 parses a base58 []byte into a snowflake Id

func ParseBase64 

func ParseBase64(id string) (Id, error)

ParseBase64 converts a base64 string into a snowflake Id

func ParseBytes 

func ParseBytes(id []byte) (Id, error)

ParseBytes converts a byte slice into a snowflake Id

func ParseInt64 

func ParseInt64(id int64) Id

ParseInt64 converts an int64 into a snowflake Id

func ParseIntBytes 

func ParseIntBytes(id [8]byte) Id

ParseIntBytes converts an array of bytes encoded as big endian integer as a snowflake Id

func ParseString 

func ParseString(id string) (Id, error)

ParseString converts a string into a snowflake Id

func (Id) Base2 added in v1.2.0 

func (f Id) Base2() string

Base2 returns a string base2 of the snowflake Id

func (Id) Base32 added in v1.2.0 

func (f Id) Base32() string

Base32 uses the z-base-32 character set but encodes and decodes similar to base58, allowing it to create an even smaller result string. NOTE: There are many different base32 implementations so becareful when doing any interoperation.

func (Id) Base36 added in v1.2.0 

func (f Id) Base36() string

Base36 returns a base36 string of the snowflake Id

func (Id) Base58 added in v1.2.0 

func (f Id) Base58() string

Base58 returns a base58 string of the snowflake Id

func (Id) Base64 

func (f Id) Base64() string

Base64 returns a base64 string of the snowflake Id

func (Id) Bytes 

func (f Id) Bytes() []byte

Bytes returns a byte slice of the snowflake Id

func (Id) Int64 

func (f Id) Int64() int64

Int64 returns an int64 of the snowflake Id

func (Id) IntBytes 

func (f Id) IntBytes() [8]byte

IntBytes returns an array of bytes of the snowflake Id, encoded as a big endian integer.

func (Id) MarshalJSON 

func (f Id) MarshalJSON() ([]byte, error)

MarshalJSON returns a json byte array string of the snowflake Id.

func (Id) Node 

func (f Id) Node() int64

Snowflake returns an int64 of the snowflake Id node number

func (Id) Step 

func (f Id) Step() int64

Step returns an int64 of the snowflake step (or sequence) number

func (Id) String 

func (f Id) String() string

String returns a string of the snowflake Id

func (Id) Time 

func (f Id) Time() int64

Time returns an int64 unix timestamp in milliseconds of the snowflake Id time

func (*Id) UnmarshalJSON 

func (f *Id) UnmarshalJSON(b []byte) error

UnmarshalJSON converts a json byte array of a snowflake Id into an Id type.

type IdStruct 

type IdStruct struct {
	// 编号
	Id int64 `xorm:"pk notnull unique index('idx_id') default(0)" json:"id,string"`
}

IdStruct 带序列号的模型

func (IdStruct) IdString 

func (b IdStruct) IdString() string

IdString Id的字符串形式

type Int64Slice added in v1.2.0 

type Int64Slice []int64

func (*Int64Slice) FromDB added in v1.2.0 

func (s *Int64Slice) FromDB(bytes []byte) error

func (Int64Slice) MarshalJSON added in v1.2.0 

func (s Int64Slice) MarshalJSON() ([]byte, error)

func (Int64Slice) ToDB added in v1.2.0 

func (s Int64Slice) ToDB() ([]byte, error)

func (*Int64Slice) UnmarshalJSON added in v1.2.0 

func (s *Int64Slice) UnmarshalJSON(bytes []byte) error

func (*Int64Slice) UnmarshalParam added in v1.2.0 

func (s *Int64Slice) UnmarshalParam(src string) error

type JSONFielder 

type JSONFielder interface {
	// InitializeField 初始化字段
	InitializeField() string
}

JSONFielder JSON字段

type JSONInitialized 

type JSONInitialized struct {
	// Initialized 是否初始化
	Initialized bool `json:"initialized,omitempty"`
}

JSONInitialized JSON是否初始化

func (JSONInitialized) InitializeField 

func (ji JSONInitialized) InitializeField() string

func (JSONInitialized) IsInitialized 

func (ji JSONInitialized) IsInitialized() bool

type JSONInitializer 

type JSONInitializer interface {
	// InitSQL 初始化SQL
	InitSQL(table string, field string) (string, error)
	// IsInitialized 是否已经初始化完成
	IsInitialized() bool
}

JSONInitializer JSON初始化者

type JSONSyntaxError 

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

A JSONSyntaxError is returned from UnmarshalJSON if an invalid Id is provided.

func (JSONSyntaxError) Error 

func (j JSONSyntaxError) Error() string

type MapStruct 

type MapStruct interface {
	// ToMap 转换成Map
	StructToMap() (model map[string]interface{}, err error)
	// 转换成结构体
	MapToStruct(model map[string]interface{}) (err error)
}

MapStruct Map和结构体转换

type NamedTag 

type NamedTag struct {
	BaseTag
	// contains filtered or unexported fields
}

NamedTag 描述Golang的Tag标记

func NewNamedTag 

func NewNamedTag(tagString string) *NamedTag

NewTag 创建新Tag

func (*NamedTag) GetName 

func (tag *NamedTag) GetName() string

GetName 获得Tag的名称

type Paging 

type Paging struct {
	// 当前页
	Page int `default:"1" json:"page" validate:"min=1"`
	// 每页个数
	PerPage int `default:"20" json:"perPage" validate:"min=1"`
	// 查询关键字
	Keyword string `json:"keyword"`
	// 排序顺序
	SortOrder string `default:"DESC" json:"sortOrder" validate:"oneof=asc ASC ascending ASCENDING desc DESC descending DESCENDING"`
}

Paging 分页对象

func (*Paging) Limit 

func (p *Paging) Limit() int

Limit 获得限制个数

func (*Paging) MySQL 

func (p *Paging) MySQL() (start int, offset int)

MySQL 获得MySQL需要的分页参数

func (*Paging) OrderBy 

func (p *Paging) OrderBy(sorter Sorter) string

排序字符串

func (*Paging) Start 

func (p *Paging) Start() int

Start 获得开始下标

type SeparatorStyle 

type SeparatorStyle struct {
	Before string // Prepend to key
	Middle string // Add between keys
	After  string // Append to key
}

The style of keys. If there is an input with two nested keys "f" and "g", with "f" at the root, 

{ "f": { "g": ... } }

the output will be the concatenation 

f{Middle}{Before}g{After}...

Any struct element may be blank. If you use Middle, you will probably leave Before & After blank, and vice-versa. See examples in flatten_test.go and the "Default styles" here.

type Snowflake 

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

A Snowflake struct holds the basic information needed for a snowflake generator node

func NewSnowflake 

func NewSnowflake(node int64) (*Snowflake, error)

NewSnowflake returns a new snowflake node that can be used to generate snowflake IDs

func (*Snowflake) Next 

func (s *Snowflake) Next() Id

Next creates and returns a unique snowflake Id To help guarantee uniqueness - Make sure your system is keeping accurate system time - Make sure you never have multiple nodes running with the same node Id

func (*Snowflake) NextId 

func (s *Snowflake) NextId() int64

NextId 下一个长整形Id

func (*Snowflake) NextString 

func (s *Snowflake) NextString() string

NextString 下一个字符串形式的Id

type Sorter 

type Sorter interface {
	SortFieldName() string
}

Sorter 排序

type StringBuilder added in v1.2.0 

type StringBuilder struct {
	*bytes.Buffer
}

StringBuilder 内嵌bytes.StringBuilder，支持连写

func NewStringBuilder added in v1.2.0 

func NewStringBuilder() *StringBuilder

func (*StringBuilder) Append added in v1.2.0 

func (b *StringBuilder) Append(i interface{}) *StringBuilder

type StringSlice 

type StringSlice []string

func (*StringSlice) UnmarshalParam 

func (ss *StringSlice) UnmarshalParam(src string) error

type Tagger 

type Tagger interface {
	Contains(option string) (contains bool)
}

Tagger 支持Tag的接口

type Timestamp 

type Timestamp time.Time

Timestamp 时间戳

func Now 

func Now() Timestamp

Now 当前时间

func ParseTimestamp 

func ParseTimestamp(time time.Time) Timestamp

ParseTimestamp 从Time对象生成Timestamp

func ZeroTimestamp 

func ZeroTimestamp() Timestamp

ZeroTimestamp 0值

func (Timestamp) DayEnd 

func (t Timestamp) DayEnd() Timestamp

DayEnd 转换为当天23点59分59秒的Timestamp

func (Timestamp) DayStart 

func (t Timestamp) DayStart() Timestamp

DayStart 转换为当天0点0分0秒的Timestamp

func (Timestamp) DefaultTimeLayout 

func (t Timestamp) DefaultTimeLayout() string

DefaultTimeLayout 按默认时间布局转换为字符串

func (*Timestamp) GobDecode 

func (t *Timestamp) GobDecode(data []byte) (err error)

GobDecode Gob序列化解码

func (Timestamp) GobEncode 

func (t Timestamp) GobEncode() ([]byte, error)

GobEncode Gob序列化编码

func (Timestamp) IsZero 

func (t Timestamp) IsZero() bool

IsZero 是否是零值

func (Timestamp) MarshalJSON 

func (t Timestamp) MarshalJSON() ([]byte, error)

MarshalJSON 序列化成JSON时调用

func (Timestamp) Time 

func (t Timestamp) Time() time.Time

Time 取得真实的Time对象

func (*Timestamp) UnmarshalJSON 

func (t *Timestamp) UnmarshalJSON(b []byte) error

UnmarshalJSON 反序列化成JSON时调用

func (*Timestamp) UnmarshalParam 

func (t *Timestamp) UnmarshalParam(src string) error

UnmarshalParam 从Echo参数转换

type UpdateStruct added in v1.2.0 

type UpdateStruct struct {
	// 编号
	Id int64 `xorm:"pk notnull unique index('idx_id') default(0)" json:"id,string"`
	// 最后更新时间
	UpdatedAt Timestamp `xorm:"updated default('2020-02-04 09:55:52')" json:"updatedAt"`
}

UpdateStruct 带修改时间模型

type Weekday 

type Weekday time.Weekday

Weekday 星期几

func (Weekday) MarshalJSON 

func (w Weekday) MarshalJSON() ([]byte, error)

MarshalJSON 编码成JSON

func (Weekday) String 

func (w Weekday) String() string

String 返回中文的周几

func (*Weekday) UnmarshalJSON 

func (w *Weekday) UnmarshalJSON(b []byte) (err error)

UnmarshalJSON 解析成JSON

func (*Weekday) WeekDay 

func (w *Weekday) WeekDay() time.Weekday

Weekday 转换为time.Weekday

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