增加多语言支持

examples/locales/en-US.json

@@ -0,0 +1,38 @@
+{
+    "user.not_found": {
+        "code": 100002,
+        "message": "User not found"
+    },
+    "user.login_success": {
+        "code": 0,
+        "message": "Login successful"
+    },
+    "user.welcome": {
+        "code": 0,
+        "message": "Welcome, %s"
+    },
+    "user.logout": {
+        "code": 0,
+        "message": "Logout"
+    },
+    "error.invalid_params": {
+        "code": 100001,
+        "message": "Invalid parameters"
+    },
+    "error.server_error": {
+        "code": 100003,
+        "message": "Server error"
+    },
+    "order.created": {
+        "code": 0,
+        "message": "Order created successfully"
+    },
+    "order.paid": {
+        "code": 0,
+        "message": "Order paid successfully"
+    },
+    "message.count": {
+        "code": 0,
+        "message": "You have %d new messages"
+    }
+}

examples/locales/zh-CN.json

@@ -0,0 +1,38 @@
+{
+    "user.not_found": {
+        "code": 100002,
+        "message": "用户不存在"
+    },
+    "user.login_success": {
+        "code": 0,
+        "message": "登录成功"
+    },
+    "user.welcome": {
+        "code": 0,
+        "message": "欢迎，%s"
+    },
+    "user.logout": {
+        "code": 0,
+        "message": "退出登录"
+    },
+    "error.invalid_params": {
+        "code": 100001,
+        "message": "参数无效"
+    },
+    "error.server_error": {
+        "code": 100003,
+        "message": "服务器错误"
+    },
+    "order.created": {
+        "code": 0,
+        "message": "订单创建成功"
+    },
+    "order.paid": {
+        "code": 0,
+        "message": "订单支付成功"
+    },
+    "message.count": {
+        "code": 0,
+        "message": "您有 %d 条新消息"
+    }
+}