日本综合一区二区|亚洲中文天堂综合|日韩欧美自拍一区|男女精品天堂一区|欧美自拍第6页亚洲成人精品一区|亚洲黄色天堂一区二区成人|超碰91偷拍第一页|日韩av夜夜嗨中文字幕|久久蜜综合视频官网|精美人妻一区二区三区

Golang基礎(chǔ)如何進(jìn)行Golang語(yǔ)言開發(fā)

創(chuàng)新互聯(lián)建站服務(wù)項(xiàng)目包括都蘭網(wǎng)站建設(shè)、都蘭網(wǎng)站制作、都蘭網(wǎng)頁(yè)制作以及都蘭網(wǎng)絡(luò)營(yíng)銷策劃等。多年來(lái)，我們專注于互聯(lián)網(wǎng)行業(yè)，利用自身積累的技術(shù)優(yōu)勢(shì)、行業(yè)經(jīng)驗(yàn)、深度合作伙伴關(guān)系等，向廣大中小型企業(yè)、政府機(jī)構(gòu)等提供互聯(lián)網(wǎng)行業(yè)的解決方案，都蘭網(wǎng)站推廣取得了明顯的社會(huì)效益與經(jīng)濟(jì)效益。目前，我們服務(wù)的客戶以成都為中心已經(jīng)輻射到都蘭省份的部分城市，未來(lái)相信會(huì)繼續(xù)擴(kuò)大服務(wù)區(qū)域并繼續(xù)獲得客戶的支持與信任！

Golang(又稱Go)是一種靜態(tài)類型、編譯型、并發(fā)型編程語(yǔ)言，由Google開發(fā)，它的設(shè)計(jì)目標(biāo)是實(shí)現(xiàn)簡(jiǎn)潔、高效、安全的編程語(yǔ)言，本文將介紹Golang的基礎(chǔ)知識(shí)和如何進(jìn)行Golang語(yǔ)言開發(fā)。

安裝與配置

1、下載并安裝Golang

訪問Golang官網(wǎng)(https://golang.org/dl/)下載對(duì)應(yīng)操作系統(tǒng)的安裝包，解壓后即可使用。

2、配置環(huán)境變量

將Golang的bin目錄添加到系統(tǒng)的PATH環(huán)境變量中，例如在Windows系統(tǒng)中，可以將C:Program FilesGobin添加到PATH中；在Linux或macOS系統(tǒng)中，可以將$GOROOT/bin添加到PATH中。

基本語(yǔ)法

1、變量與常量

var a int = 10
const b int = 20

2、數(shù)據(jù)類型

Golang有以下幾種基本數(shù)據(jù)類型：

bool:布爾值，true或false

int:整數(shù)，32位帶符號(hào)整數(shù)

uint:無(wú)符號(hào)整數(shù)，32位無(wú)符號(hào)整數(shù)

float32:32位浮點(diǎn)數(shù)

float64:64位浮點(diǎn)數(shù)

complex64:復(fù)數(shù)，實(shí)部和虛部各占32位

complex128:復(fù)數(shù)，實(shí)部和虛部各占64位

string:字符串

[]byte:字節(jié)切片

struct:結(jié)構(gòu)體

map:映射表

channel:通道(信道)

func:函數(shù)(匿名函數(shù))

interface{}:接口類型(空接口)

3、控制結(jié)構(gòu)

if condition {
    // do something
} else if another_condition {
    // do something else
} else {
    // do default thing
}
for i := start; i <= end; i++ {
    // do something with i
}
for i := start; i <= end; i++ {
    // do something else with i
} else {
    // do default thing with i
} select {
case value1 := <-ch1: // receive from ch1 and store it in value1 (blocking) or do nothing (non-blocking) and fallthrough to the next case clause without executing any code inside the switch block if no value is received on ch1 within the timeout period (default case) or execute some code (e.g. close ch1) if a value is received on ch1 before the timeout period expires (case clause for a received value) or execute some code (e.g. close ch1) if an error occurs while receiving from ch1 (case clause for an error) or execute some code (e.g. close ch1) if an unexpected event occurs (case clause for an unexpected event). default: // execute some code if none of the above cases are executed (fallthrough is not allowed in this switch statement) if condition1 && condition2 && condition3 { // check multiple conditions simultaneously return result if condition1 is true and condition2 and condition3 are also true else return result if at least one of condition2 and condition3 is true else return result if condition1 is false and all of condition2 and condition3 are false else return result (do nothing and fall through to the next statement) goroutines: // create and start a new goroutine using the go keyword var x, y int = 7, 8 func add(x int, y int) in{ return x + y } func main() { go add(x, y); // start a new goroutine that calls add function with values of x and y println("x + y =", add(x, y)) time.Sleep(time.Second) // wait for a second before continuing execution of main function println("After one second") // continue execution of main function after waiting for one second} package main import "fmt" func main() { var name string = "John Doe" var age int = 30 printf("My name is %s and I am %d years old
", name, age)