知识点 这里给类型起别名类似c语言,只是语法稍稍不同,具体操作如下: package main import "fmt" func main() { type bigint int64 //给int64起一个别名为bigint var a bigint fmt.Printf("a1的类型为%T\n", a) //输出main.bigint type ( char byte long int ) var ( ch char = 'a' a1 long = 123123 ) fmt.Println("ch = ", ch, " a1 = ", a1) }