import{_ as l,o as p,c as o,k as s,a as n,X as a}from"./chunks/framework.6e839c56.js";const C=JSON.parse('{"title":"Random","description":"","frontmatter":{},"headers":[],"relativePath":"api/packages/random.md","filePath":"api/packages/random.md"}'),e={name:"api/packages/random.md"},t=s("h1",{id:"Random",tabindex:"-1"},[n("Random "),s("a",{class:"header-anchor",href:"#Random","aria-label":'Permalink to "Random"'},"​")],-1),c=s("p",null,"random 随机数生成器包，可以生成随机[]bytes, int, string。",-1),r=s("div",{STYLE:"page-break-after: always;"},null,-1),y=s("h2",{id:"源码-",tabindex:"-1"},[n("源码: "),s("a",{class:"header-anchor",href:"#源码-","aria-label":'Permalink to "源码:"'},"​")],-1),i=s("ul",null,[s("li",null,[s("a",{href:"https://github.com/duke-git/lancet/blob/main/random/random.go",target:"_blank",rel:"noreferrer"},"https://github.com/duke-git/lancet/blob/main/random/random.go")])],-1),F=s("div",{STYLE:"page-break-after: always;"},null,-1),d=a(`

用法: ​

go
import (
    "github.com/duke-git/lancet/v2/random"
)
import (
    "github.com/duke-git/lancet/v2/random"
)
`,2),u=s("div",{STYLE:"page-break-after: always;"},null,-1),g=a('

目录 ​

',2),E=s("div",{STYLE:"page-break-after: always;"},null,-1),A=a(`

文档 ​

RandBytes ​

生成随机字节切片

函数签名:

go
func RandBytes(length int) []byte
func RandBytes(length int) []byte

示例:运行

go
package main

import (
    "fmt"
    "github.com/duke-git/lancet/v2/random"
)

func main() {
    randBytes := random.RandBytes(4)
    fmt.Println(randBytes)
}
package main

import (
    "fmt"
    "github.com/duke-git/lancet/v2/random"
)

func main() {
    randBytes := random.RandBytes(4)
    fmt.Println(randBytes)
}

RandInt ​

生成随机int, 范围[min, max)

函数签名:

go
func RandInt(min, max int) int
func RandInt(min, max int) int

示例:运行

go
package main

import (
    "fmt"
    "github.com/duke-git/lancet/v2/random"
)

func main() {
    rInt := random.RandInt(1, 10)
    fmt.Println(rInt)
}
package main

import (
    "fmt"
    "github.com/duke-git/lancet/v2/random"
)

func main() {
    rInt := random.RandInt(1, 10)
    fmt.Println(rInt)
}

RandString ​

生成给定长度的随机字符串，只包含字母(a-zA-Z)

函数签名:

go
func RandString(length int) string
func RandString(length int) string

示例:运行

go
package main

import (
    "fmt"
    "github.com/duke-git/lancet/v2/random"
)

func main() {
    randStr := random.RandString(6)
    fmt.Println(randStr) //pGWsze
}
package main

import (
    "fmt"
    "github.com/duke-git/lancet/v2/random"
)

func main() {
    randStr := random.RandString(6)
    fmt.Println(randStr) //pGWsze
}

RandUpper ​

生成给定长度的随机大写字母字符串

函数签名:

go
func RandUpper(length int) string
func RandUpper(length int) string

示例:运行

go
package main

import (
    "fmt"
    "github.com/duke-git/lancet/v2/random"
)

func main() {
    randStr := random.RandString(6)
    fmt.Println(randStr) //PACWGF
}
package main

import (
    "fmt"
    "github.com/duke-git/lancet/v2/random"
)

func main() {
    randStr := random.RandString(6)
    fmt.Println(randStr) //PACWGF
}

RandLower ​

生成给定长度的随机小写字母字符串

函数签名:

go
func RandLower(length int) string
func RandLower(length int) string

示例:运行

go
package main

import (
    "fmt"
    "github.com/duke-git/lancet/v2/random"
)

func main() {
    randStr := random.RandLower(6)
    fmt.Println(randStr) //siqbew
}
package main

import (
    "fmt"
    "github.com/duke-git/lancet/v2/random"
)

func main() {
    randStr := random.RandLower(6)
    fmt.Println(randStr) //siqbew
}

RandNumeral ​

生成给定长度的随机数字字符串

函数签名:

go
func RandNumeral(length int) string
func RandNumeral(length int) string

示例:运行

go
package main

import (
    "fmt"
    "github.com/duke-git/lancet/v2/random"
)

func main() {
    randStr := random.RandNumeral(6)
    fmt.Println(randStr) //035172
}
package main

import (
    "fmt"
    "github.com/duke-git/lancet/v2/random"
)

func main() {
    randStr := random.RandNumeral(6)
    fmt.Println(randStr) //035172
}

RandNumeralOrLetter ​

生成给定长度的随机字符串（数字+字母)

函数签名:

go
func RandNumeralOrLetter(length int) string
func RandNumeralOrLetter(length int) string

示例:运行

go
package main

import (
    "fmt"
    "github.com/duke-git/lancet/v2/random"
)

func main() {
    randStr := random.RandNumeralOrLetter(6)
    fmt.Println(randStr) //0aW7cQ
}
package main

import (
    "fmt"
    "github.com/duke-git/lancet/v2/random"
)

func main() {
    randStr := random.RandNumeralOrLetter(6)
    fmt.Println(randStr) //0aW7cQ
}

UUIdV4 ​

生成UUID v4字符串

函数签名:

go
func UUIdV4() (string, error)
func UUIdV4() (string, error)

示例:运行

go
package main

import (
    "fmt"
    "github.com/duke-git/lancet/v2/random"
)

func main() {
    uuid, err := random.UUIdV4()
    if err != nil {
        return
    }
    fmt.Println(uuid)
}
package main

import (
    "fmt"
    "github.com/duke-git/lancet/v2/random"
)

func main() {
    uuid, err := random.UUIdV4()
    if err != nil {
        return
    }
    fmt.Println(uuid)
}

RandUniqueIntSlice ​

生成一个不重复的长度为n的随机int切片。

函数签名:

go
func RandUniqueIntSlice(n, min, max int) []int
func RandUniqueIntSlice(n, min, max int) []int

示例:运行

go
package main

import (
    "fmt"
    "github.com/duke-git/lancet/v2/random"
)

func main() {
    result := random.RandUniqueIntSlice(5, 0, 10)
    fmt.Println(result) //[0 4 7 1 5] (random)
}
package main

import (
    "fmt"
    "github.com/duke-git/lancet/v2/random"
)

func main() {
    result := random.RandUniqueIntSlice(5, 0, 10)
    fmt.Println(result) //[0 4 7 1 5] (random)
}
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