linux下的命令:
find ./target/generated-sources/ -name "*.java" | xargs -n1 -i cp {} ./src/main/java/com/grpc/mistra/generate/
其在mac下的等价命令为:
find ./target/generated-sources/ -name "*.java" | xargs -n1 -I F cp "F" ./src/main/java/com/grpc/mistra/generate/
即可