add http client

python/examples/fit_a_line/README.md

@@ -18,30 +18,21 @@ sh get_data.sh
 python -m paddle_serving_server.serve --model uci_housing_model --thread 10 --port 9393
 ```
 
-### Client prediction
+## Client prediction
 
+### RPC Client
 The `paddlepaddle` package is used in `test_client.py`, and you may need to download the corresponding package(`pip install paddlepaddle`).
 
 ``` shell
 python test_client.py uci_housing_client/serving_client_conf.prototxt
 ```
 
+### Http Client
 
-
-## HTTP service
-
-### Start server
-
-Start a web service with default web service hosting modules:
 ``` shell
-python -m paddle_serving_server.serve --model uci_housing_model --thread 10 --port 9393 --name uci
+python test_httpclient.py uci_housing_client/serving_client_conf.prototxt
 ```
 
-### Client prediction
-
-``` shell
-curl -H "Content-Type:application/json" -X POST -d '{"feed":[{"x": [0.0137, -0.1136, 0.2553, -0.0692, 0.0582, -0.0727, -0.1583, -0.0584, 0.6283, 0.4919, 0.1856, 0.0795, -0.0332]}], "fetch":["price"]}' http://127.0.0.1:9393/uci/prediction
-```
 
 ## Benchmark
 ``` shell