cannot find package golang.org

• go get 找不到 google.golang.org/protobuf 解決辦法

mkdir -p $GOPATH/src/google.golang.org
git clone https://e.coding.net/robinqiwei/googleprotobuf.git $GOPATH/src/google.golang.org/protobuf

• cannot find package "golang.org/x/****"

cd src
mkdir golang.org
cd golang.org
mkdir x
cd x
git clone https://github.com/golang/text.git

// crypto 同理
git clone https://github.com/golang/crypto.git