add lang config

Author: tigersk

include/tigerapi/client_config.h

@@ -29,9 +29,9 @@ namespace TIGER_API {
                                                                                                  account(std::move(account)) {};
 
         ClientConfig(utility::string_t tiger_id, utility::string_t private_key, utility::string_t account,
-                     bool sandbox_debug = false) :
+                     bool sandbox_debug = false, utility::string_t lang = U("en_US")) :
                 tiger_id(std::move(tiger_id)), private_key(std::move(private_key)),
-                account(std::move(account)), sandbox_debug(sandbox_debug) {
+                account(std::move(account)), sandbox_debug(sandbox_debug), lang(lang) {
             if (sandbox_debug) {
                 server_url = SANDBOX_TIGER_SERVER_URL;
                 server_public_key = SANDBOX_TIGER_PUBLIC_KEY;
@@ -44,6 +44,7 @@ namespace TIGER_API {
         utility::string_t account;
         utility::string_t charset = U("UTF-8");
         utility::string_t sign_type = U("RSA");
+        utility::string_t lang;
 
         void set_server_url(const utility::string_t &url) {
             this->server_url = url;

include/tigerapi/constants.h

@@ -10,6 +10,7 @@ static utility::string_t P_METHOD = U("method");
 static utility::string_t P_CHARSET = U("charset");
 static utility::string_t P_SIGN_TYPE = U("sign_type");
 static utility::string_t P_SIGN = U("sign");
+static utility::string_t P_LANG = U("lang");
 static utility::string_t P_TIMESTAMP = U("timestamp");
 static utility::string_t P_VERSION = U("version");
 static utility::string_t P_ITEMS = U("items");

src/main.cpp

@@ -348,6 +348,7 @@ int main(int argc, char *args[]) {
                          U("-----END RSA PRIVATE KEY-----");
     config.tiger_id = U("2");
     config.account = U("402901");
+//    config.lang = U("en_US");
 
 
     /**

src/tiger_client.cpp

@@ -69,6 +69,9 @@ namespace TIGER_API {
         for (const auto &kvp: common_params.as_object()) {
             params[kvp.first] = kvp.second;
         }
+        if (!client_config.lang.empty()) {
+            body[P_LANG] = value::string(client_config.lang);
+        }
         if (!body.is_null() && body.size() > 0) {
             params[P_BIZ_CONTENT] = value::string(body.serialize());
         }