package main
import (
"fmt"
)
//单个变量(自行判断变量类型)
var test1 = "content1"
/*单个变量
先声明类型再赋值,此种方式函数中调用不了(会报错syntax error: non-declaration statement outside function body)
请再函数外设置
*/
//var test2 string
//test2 = "content2"
//test3 : = "content3" //:=左侧的变量不应该是已经被声明过的,否则会导致编译错误
//单个变量
var test4 string = "content4"
/*多个变量
此种方式函数中调用不了,请再函数外设置
*/
//var test5, test6, test7 string
//test5, test6, test7 = "content5", "content6", "content7"
//test5, test6, test7 : = "content5", "content6", "content7"
//多个变量
var test5, test6, test7 string = "content5", "content6", "content7"
var test8, test9, test10 = "content8", "content9", "content10"
//多个变量-类型不同(全局变量),局部变量不能使用该方法
var (
test11 string = "content11"
test12 string = "content12"
)
type person struct {
name string
age int
}
var P = person{"gxm", 20}
//单个常量
const test13 string = "content13"
const test14 = "content14"
//多个常量
const test15, test16, test17 = "content15", "content16", "content17"
//多个常量
const (
test18 string = "content18"
test19 string = "content19"
)
func main(){
//测试打印
fmt.Printf("%s%s-%s-%s-%s-%s-%s-%s-%s-%s-%s-%s\n", "变量为:", test1,test4,test5,test6,test7,test8,test9,test10,test11,test12,P.name)
fmt.Printf("%s%s-%s-%s-%s-%s-%s-%s", "常量为:", test13, test14, test15, test16, test17, test18, test19)
}