RESTEasy（一个JAX-RS实现）具有一个不错的客户端框架，例如：
RegisterBuiltin.register(ResteasyProviderFactory.getInstance());
SimpleClient client = ProxyFactory.create(SimpleClient.class, "http://localhost:8081");
client.putBasic("hello world");
如何设置HTTP标头？
澄清：
jkeeler提出的解决方案是一种不错的方法，但是我想在ProxyFactory级别上设置HTTP标头，并且我不想将标头传递给客户端对象。有任何想法吗？
我找到了解决方案：
import org.apache.commons.httpclient.HttpClient;
import org.jboss.resteasy.client.ClientRequest;
import org.jboss.resteasy.client.ClientResponse;
import org.jboss.resteasy.client.ProxyFactory;
import org.jboss.resteasy.client.core.executors.ApacheHttpClientExecutor;
import org.jboss.resteasy.plugins.providers.RegisterBuiltin;
import org.jboss.resteasy.spi.ResteasyProviderFactory;
RegisterBuiltin.register(ResteasyProviderFactory.getInstance());
HttpClient httpClient = new HttpClient();
ApacheHttpClientExecutor executor = new ApacheHttpClientExecutor(httpClient) {
@Override
public ClientResponse execute(ClientRequest request) throws Exception {
request.header("X-My-Header", "value");
return super.execute(request);
}
};
SimpleClient client = ProxyFactory.create(SimpleClient.class, "http://localhost:8081", executor);
client.putBasic("hello world");
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