Go Basic Installation

First, Installation:

1. Download Go address: https://golang.org/dl/

Click Install package to install (Linux direct decompression)

Setting environment variables (Linux)
1. Export goroot= $PATH:/path/to/go/
2. Export path= $PATH: $GOROOT/bin/
3. Export Gopath=/home/user/project/go
Setting Environment variables (window does not have to be set

2. IDE selection (Visual Studio Code)

Download Address: https://code.visualstudio.com/

View > Expand > Find go> Installation

3, the installation of debugging tools

Tutorial: Https://github.com/derekparker/delve/tree/master/Documentation/installation

Enter go get github.com/derekparker/delve/cmd/dlv in Win:cmd

4. Catalogue

　　　　

5. Environment variable Setting

Set Environment variables: (create) Use G:\project>go build-o bin/list.exe Go_dev/day2/example1/main to create Applications-O is the application created in the bin

6, the first program

Package main     //define the packet name import ("FMT"//reference FMT package, the FMT package implements the format IO (input/output) function) Func main () {
/*   Long paragraph comment    */fmt. Println ("Hello World")//content to be printed}

　　

7. Print a program from 1 to 100

Goroute.go

Package Mainimport ("FMT") func test_goroute (a int) {FMT. Println (A)}

Main.go

Package Mainimport ("Time") Func main () {for i: = 0; i<100; i++{go test_goroute (i)}time. Sleep (time. Second)}