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HomeBackend DevelopmentGolangHow to convert int to string type in go language

How to convert int to string type in go language

Jun 04, 2021 pm 03:56 PM
go languagestringtype conversionint

Conversion method: 1. Use the Itoa() function, the syntax "strconv.Itoa(num)"; 2. Use the FormatInt() function to convert int type data into the specified base and use it as a string. Return in form, syntax "strconv.FormatInt(num,10)".

How to convert int to string type in go language

The operating environment of this tutorial: Windows 10 system, GO 1.18, Dell G3 computer.

Both the int type and the string type in the go language are basic data types

int integer to string--use Itoa()

The Itoa() function is used to convert int type data to the corresponding string type. The function signature is as follows.

func Itoa(i int) string

The sample code is as follows:

package main

import (
    "fmt"
    "strconv"
)

func main() {
    num := 100
    str := strconv.Itoa(num)
    fmt.Printf("type:%T value:%#v\n", str, str)
}

The running result is as follows:

type:string value:"100"

int integer to string--use FormatInt()

FormatInt() function is used to convert integer data into a specified base and return it in the form of a string. The function signature is as follows:

func FormatInt(i int64, base int) string

Among them, the parameter i must be of type int64, and the parameter base Must be between 2 and 36. Lowercase letters "a" to "z" will be used in the returned result to represent numbers greater than 10.

The sample code is as follows:

package main

import (
    "fmt"
    "strconv"
)

func main() {
    var num int64 = 100
    str := strconv.FormatInt(num, 10)
    fmt.Printf("type:%T,value:%v\n ", str, str)
}

The running results are as follows:

type:string,value:100

Recommended learning: Golang tutorial

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