How to type convert in golang

How to convert in Go language

In Go language, there is only explicit conversion, there is no implicit conversion (recommended learning: go)

Conversion format: data type (converted data)

var num float64 = 3.14
var value int = int(num)
fmt.Printf("%d\n", value)

Notes

Data type (converted data) format is general Used for conversion between other basic data types except string and Boolean types

No implicit type conversion

//var num int = 3.14  会报错

Conversion between basic data types and string

Use the fmt.sprintf function for

package main
 
import "fmt"
 
func main() {
    var x1 int = 88
    var x2 float32 = 3.45
    var x3 string
 
    x3 = fmt.Sprintf("this is a int  %d \n", x1)   //注意一定要使用双引号
    fmt.Print(x3)
    x3 = fmt.Sprintf("this is a  float str %f \n", x2)
    fmt.Print(x3)
}

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