Go lang 学习

.gitignore

@@ -0,0 +1,20 @@
+target/
+pom.xml.tag
+pom.xml.releaseBackup
+pom.xml.versionsBackup
+pom.xml.next
+release.properties
+/.idea
+*.iml
+/.settings
+/bin
+/gen
+/build
+/gradle
+/classes
+.classpath
+.project
+*.gradle
+gradlew
+local.properties
+node_modules/

go.mod

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+module starter_go
+
+go 1.21

main.go

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+package main
+
+import (
+	"bufio"
+	"fmt"
+	"net/http"
+)
+
+func main() {
+	// 打印
+	println("Hello, World!")
+	// 打印2
+	fmt.Println("Hello, world!")
+
+	// 计算
+	var a1 = 1
+	var a2 = 2
+	var b1 = a1*a2 + 1
+	println(b1)
+
+	var b = true
+	if b {
+		fmt.Println("b = true")
+	}
+
+	resp, err := http.Get("https://www.baidu.com")
+
+	if err != nil {
+		fmt.Println("请求错误")
+		fmt.Println("err=", err)
+	}
+
+	defer resp.Body.Close()
+
+	fmt.Println("resp= ")
+	fmt.Println(resp.Status)
+	fmt.Println(resp.StatusCode)
+	scanner := bufio.NewScanner(resp.Body)
+	for i := 0; scanner.Scan() && i < 5; i++ {
+		fmt.Println(scanner.Text())
+	}
+	if err := scanner.Err(); err != nil {
+		panic(err)
+	}
+}