first commit

pkg/tools/strings_test.go

@@ -0,0 +1,19 @@
+package tools
+
+import "testing"
+
+func TestMD5(t *testing.T) {
+	str, salt := "123", "456"
+	println(MD5(str))
+	println(MD5(str + salt))
+	println(MD5WithSalt(str, salt))
+}
+
+func TestRandSaltN(t *testing.T) {
+	for i := 1; i < 10; i++ {
+		println(RandSalt())
+		for j := 0; j < 10; j++ {
+			println(RandSaltN(uint8(i)))
+		}
+	}
+}