Several uses of go import

1. Import multiple dependency packages

import(
“fmt”
“os”
)

2. Relative path guide package

Import other models in the current file directory

Import "./model" 

3. Absolute path guide package

Load the $GOPATH/src/shorturl/model module

Import "shorturl/model"

4. Point operation

Directly import all the functions and variables under the model and then fmt.Print() can be abbreviated as

Print()
import(
. "fmt"
)

5. Alias ​​operation

Give the model an alias and then follow fmt.Print() which can be abbreviated as f1.Print()

import(
f1 "fmt"
)

6. _Null introduction operation

Do not introduce any variables and functions in the package,
just for execution, the init function in the model

7. Import custom packages

New mymodel

cd mymodel
go mod init kiki/mymodel

Create a new module folder dir1
in main

import (
"kiki/mymodel/dir1"
)

dir1. Uppercase method name