vs code编辑器 设置go语言环境，参考https://www.liwenzhou.com/posts/Go/00_go_in_vscode/

1）快捷键 shift + control + P

2. 输入snippets , 点击进入Configure user Snippets
   

3. 找到go.json（第一次设置，没有go.json, 找到go就行），进入

4）用下面类似的例子设置

	"pln": {
		"prefix": "pln",
		"body" : "fmt.Println($0)",
		"description": "fmt.Println()"
	},
	"pf": {
		"prefix": "pf",
		"body" : "fmt.Printf($0)",
		"description": "fmt.Printf()"
	}