mirror of
https://gitee.com/johng/gf
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33 lines
779 B
Go
33 lines
779 B
Go
// Copyright 2017 gf Author(https://github.com/gogf/gf). All Rights Reserved.
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//
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// This Source Code Form is subject to the terms of the MIT License.
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// If a copy of the MIT was not distributed with this file,
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// You can obtain one at https://github.com/gogf/gf.
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// Package genv provides operations for environment variables of system.
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//
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// 环境变量管理
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package genv
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import "os"
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func All() []string {
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return os.Environ()
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}
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// 获取环境变量，并可以指定当环境变量不存在时的默认值
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func Get(k string, def...string) string {
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v, ok := os.LookupEnv(k)
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if !ok && len(def) > 0 {
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return def[0]
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}
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return v
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}
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func Set(k, v string) error {
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return os.Setenv(k, v)
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}
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func Remove(k string) error {
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return os.Unsetenv(k)
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} |