环境：Windows，JDK8，Git，ProtoBuf3
从github下载gPRC-Java源码
git clone -b v1.15.0 https://github.com/grpc/grpc-java进入grpc-java下面的examples目录
运行gradlew.bat
gradlew.bat installDist运行成功后，启动hello-world-server.bat
build/install/examples/bin/hello-world-server.bat再运行hello-world-client.bat
build/install/examples/bin/hello-world-client.bat出现如下信息表示成功
