golang的字符串拼接
Golang的字符串拼接
结论:
少量字符串拼接可以用原生拼接方式”+”
大量和少量字符串拼接都可以使用Strings.builder
字符串拼接有以下几种方式:
原生拼接方式"+"
var s string
s += "asong"
s += "真帅”
字符串格式化函数fmt.Sprintf
str := "asong"
str = fmt.Sprintf("%s%s", str, str)
Strings.builder
var builder strings.Builder
builder.WriteString("asong")
builder.String()
bytes.Buffer
buf := new(bytes.Buffer)
buf.WriteString("asong")
buf.String()
strings.join
baseSlice := []string{"asong", "真帅"}
strings.Join(baseSlice, "")
切片append
buf := make([]byte, 0)
base = "asong"
buf = append(buf, base...)
string(base)