pub static SIGN_METHOD: &str = "sign_method";
pub static ERROR_RESPONSE_KEY: &str = "error_response";
pub const SIGN_TYPE_MD5: &str = "md5";
pub static METHOD: &str = "method";
pub static TIMESTAMP: &str = "timestamp";
pub static RESPONSE_QUERYRESULT: &str = "queryResult";
pub static RESPONSE_GETRESULT: &str = "getResult";
pub static VERSION: &str = "v";
pub static VERSION_1: &str = "1.0";
pub static APP_KEY: &str = "app_key";
pub static SIGN: &str = "sign";
pub static FORMAT: &str = "format";
pub static FORMAT_JSON: &str = "json";
pub static FORMAT_TIME: &str = "%Y-%m-%d %H:%M:%S";