github.com/sandwich-go/boost@v1.3.29/xos/env.go (about)

     1  package xos
     2  
     3  import "os"
     4  
     5  // EnvGet 获取环境变量值,如果未找到,则返回 def 值
     6  func EnvGet(key string, def ...string) string {
     7  	v, ok := os.LookupEnv(key)
     8  	if !ok && len(def) > 0 {
     9  		return def[0]
    10  	}
    11  	return v
    12  }