Dio问题总结_handshake error in client (os error: certificate_v

1. 添加代理

Dio dio = Dio(_options)
(dio.httpClientAdapter as DefaultHttpClientAdapter).onHttpClientCreate =
        (client) {
      client.badCertificateCallback =
          (X509Certificate cert, String host, int port) => true;
      client.findProxy = (uri) {
        if (proxyIP == null || proxyIP.isEmpty) {
          return 'DIRECT';
        }
        return 'PROXY $proxyIP:$proxyPort';
      };
      return client;
    };
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2.CERTIFICATE_VERIFY_FAILED问题

项目运行时报了如下错误：

HandshakeException: Handshake error in client (OS Error: CERTIFICATE_VERIFY_FAILED: self signed certificate in certificate chain(handshake.cc:393))
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解决方法：

Dio dio = Dio(_options)
(dio.httpClientAdapter as DefaultHttpClientAdapter).onHttpClientCreate =
        (client) {
      client.badCertificateCallback = (cert, host, port) {
        return true;
      };
    };
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