commit 4ea955eacd50ce6c2da07101be855ee1a5cd6c8e
Author: 李光春 <gc@dtapp.net>
Date:   Tue May 24 23:07:12 2022 +0800

    - init

diff --git a/.drone.yml b/.drone.yml
new file mode 100644
index 0000000..c56c479
--- /dev/null
+++ b/.drone.yml
@@ -0,0 +1,17 @@
+kind: pipeline
+type: docker
+name: clone
+
+steps:
+  - name: Test
+    image: golang:1.18
+    commands:
+      - go env -w GO111MODULE=on
+      - go env -w GOPROXY=https://goproxy.cn,direct
+      - go test -v ./...
+  - name: Benchmark
+    image: golang:1.18
+    commands:
+      - go env -w GO111MODULE=on
+      - go env -w GOPROXY=https://goproxy.cn,direct
+      - go test -bench=. -benchmem
\ No newline at end of file
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..442794a
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,8 @@
+.env
+.git
+.svn
+.idea
+.vscode
+*.log
+gomod.sh
+/vendor/
\ No newline at end of file
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..1d0c370
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,5 @@
+module go.dtapp.net/goenv
+
+go 1.18
+
+require go.dtapp.net/gostring v1.0.3
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..5d8b1b3
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,2 @@
+go.dtapp.net/gostring v1.0.3 h1:KSOq4D77/g5yZN/bqWfZ0kOOaPr/P1240vg03+XdENI=
+go.dtapp.net/gostring v1.0.3/go.mod h1:+ggrOvgQDQturi1QGsXEpyRN/ZPoRDaqhMujIk5lrgQ=
diff --git a/goenv.go b/goenv.go
new file mode 100644
index 0000000..cca1347
--- /dev/null
+++ b/goenv.go
@@ -0,0 +1,39 @@
+package goenv
+
+import (
+	"go.dtapp.net/gostring"
+	"os"
+	"strings"
+)
+
+func GetEnvDefault(key, defVal string) string {
+	val, ok := os.LookupEnv(key)
+	if ok {
+		return val
+	}
+	return defVal
+}
+
+func GetEnvDefaultInt(key string, defVal int) int {
+	val, ok := os.LookupEnv(key)
+	if ok {
+		return gostring.ToInt(val)
+	}
+	return defVal
+}
+
+func GetEnvs(key string) string {
+	envs := os.Environ()
+	for _, e := range envs {
+		parts := strings.SplitN(e, "=", 2)
+		if len(parts) != 2 {
+			continue
+		} else {
+			println(parts[0], parts[1])
+			if parts[0] == key {
+				return parts[1]
+			}
+		}
+	}
+	return ""
+}
diff --git a/goenv_test.go b/goenv_test.go
new file mode 100644
index 0000000..6f599fa
--- /dev/null
+++ b/goenv_test.go
@@ -0,0 +1,22 @@
+package goenv
+
+import "testing"
+
+func TestGetEnvDefault(t *testing.T) {
+	t.Log(GetEnvDefault("test1", "1"))
+}
+func TestGetEnvDefaultInt(t *testing.T) {
+	t.Log(GetEnvDefaultInt("test2", 2))
+}
+
+func BenchmarkGetEnvDefault(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		b.Log(GetEnvDefault("test1", "1"))
+	}
+}
+
+func BenchmarkGetEnvDefaultInt(b *testing.B) {
+	for i := 0; i < b.N; i++ {
+		b.Log(GetEnvDefaultInt("test2", 2))
+	}
+}
diff --git a/version.go b/version.go
new file mode 100644
index 0000000..628cec4
--- /dev/null
+++ b/version.go
@@ -0,0 +1,3 @@
+package goenv
+
+const Version = "1.0.0"
diff --git a/version_test.go b/version_test.go
new file mode 100644
index 0000000..bdf4f64
--- /dev/null
+++ b/version_test.go
@@ -0,0 +1,7 @@
+package goenv
+
+import "testing"
+
+func TestVersion(t *testing.T) {
+	t.Log(Version)
+}