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md5x/md5x.go

@@ -0,0 +1,28 @@
+package md5x
+
+import (
+	"crypto/md5"
+	"encoding/hex"
+	"io"
+	"os"
+)
+
+// 字符串的md5
+func Md5String(value string) string {
+	m := md5.New()
+	m.Write([]byte(value))
+	return hex.EncodeToString(m.Sum(nil))
+}
+
+// 文件的md5
+func Md5File(path string) (string, error) {
+	file, err := os.Open(path)
+	if err != nil {
+		return "", err
+	}
+	defer file.Close()
+
+	hash := md5.New()
+	io.Copy(hash, file)
+	return hex.EncodeToString(hash.Sum(nil)), nil
+}