增加超时到60s.

NewClient returns a new client.

RetryAlways always retry on error.

RetryOnError retries a request on a 500 or timeout error.

WithAddress sets the remote addresses to use rather than using service discovery.

修改Config.json的路径.

WithDialTimeout is a CallOption which overrides that which set in Options.CallOptions.

固定服务器列表.

打印请求信息.

Registry to find nodes for a given service.

Codec to be used to encode/decode requests for a given content type.

Transport to use for communication e.g http, rabbitmq, etc.

init transport.

DefaultPoolSize sets the connection pool size.

DefaultPoolTTL sets the connection pool ttl.

DefaultRequestTimeout is the default request timeout.

DefaultRetries is the default number of times a request is tried.

DefaultRetry is the default check-for-retry function for retries.

TODO 修改到结构里.

TODO 修改到结构里.

note that returning either false or a non-nil error will result in the call not being retried.