golang 字符串拼接的 5 种方式

by nick / On 2021年3月20日 / In 后端开发

package main

import (
    "bytes"
    "fmt"
    "strings"
)

func main() {
    s1 := fmt.Sprintf("%s - %s", "a", "b")
    fmt.Println("s1:", s1)

    var str []string = []string{"aa", "bb"}
    s2 := strings.Join(str, ",")
    fmt.Println("s2:", s2)

    var bt bytes.Buffer
    bt.WriteString("aaa")
    bt.WriteString("bbb")
    s3 := bt.String()
    fmt.Println("s3:", s3)

    var build strings.Builder
    build.WriteString("aaaa")
    build.WriteString("bbbb")
    s4 := build.String()
    fmt.Println("s4:", s4)

    s5 := "aaaaa" + "bbbbb"
    fmt.Println("s5:", s5)
}

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