支付宝接入，文件报错(二)

支付宝接入，文件报错

Undefined symbols for architecture x86_64:
  "_BIO_new", referenced from:
      _rsa_sign_with_private_key_pem in openssl_wrapper.o
  "_SHA256", referenced from:
      _rsa_sign_with_private_key_pem in openssl_wrapper.o
  "_BIO_ctrl", referenced from:
      _rsa_sign_with_private_key_pem in openssl_wrapper.o
  "_EVP_EncodeBlock", referenced from:
      _base64StringFromData in openssl_wrapper.o
  "_PEM_read_bio_RSAPrivateKey", referenced from:
      _rsa_sign_with_private_key_pem in openssl_wrapper.o
  "_SHA1", referenced from:
      _rsa_sign_with_private_key_pem in openssl_wrapper.o
     (maybe you meant: __Z24alisec_crypto_SHA1_blockP26alisec_crypto_shastate_st_Pmi)
  "_RSA_free", referenced from:
      _rsa_sign_with_private_key_pem in openssl_wrapper.o
  "_RSA_sign", referenced from:
      _rsa_sign_with_private_key_pem in openssl_wrapper.o
  "_RSA_check_key", referenced from:
      _rsa_sign_with_private_key_pem in openssl_wrapper.o
  "_BIO_s_file", referenced from:
      _rsa_sign_with_private_key_pem in openssl_wrapper.o
  "_BIO_free_all", referenced from:
      _rsa_sign_with_private_key_pem in openssl_wrapper.o
ld: symbol(s) not found for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)

问题解决：

将支付宝sdk demo 里面的两个.a 文件拖到项目中
libcrypto.a
libssl.a