4.4 DAPP实战- 使用truffle创建项目

truffle https://truffleframework.com/truffle

truffle 可以帮助我们创建，编译，测试一个solidity项目。他使用npm进行安装

npm install truffle -g

使用truffle初始化一个工程，可以看到工程下有如下文件

(blockchain_principle-x-Y8P0ch) ~/project/solidity/pet-shop ᐅ truffle init
Downloading...
Unpacking...
Setting up...
Unbox successful. Sweet!

Commands:

Compile: truffle compile
Migrate: truffle migrate
Test contracts: truffle test
(blockchain_principle-x-Y8P0ch) ~/project/solidity/pet-shop ᐅ ls
contracts migrations test truffle-config.js truffle.js
(blockchain_principle-x-Y8P0ch) ~/project/solidity/pet-shop ᐅ tree
.
├── contracts
│   └── Migrations.sol -- 合约文件
├── migrations
│   └── 1_initial_migration.js --部署脚本
├── test --测试文件存放目录
├── truffle-config.js --配置文件
└── truffle.js

3 directories, 4 files
(blockchain_principle-x-Y8P0ch) ~/project/solidity/pet-shop ᐅ

truffle unbox
box 是 truffle提供的一系列的包（库），例如react等，
truffle提供了一些官方的boxs，如pet-shop
unbox命令可以帮我们把官方提供好的box下载好并解压

(blockchain_principle-x-Y8P0ch) ~/project/solidity/pet-shop_2 ᐅ ls
(blockchain_principle-x-Y8P0ch) ~/project/solidity/pet-shop_2 ᐅ truffle unbox pet-shop
Downloading...
Unpacking...
Setting up...
Unbox successful. Sweet!

Commands:

Compile: truffle compile
Migrate: truffle migrate
Test contracts: truffle test
Run dev server: npm run dev
(blockchain_principle-x-Y8P0ch) ~/project/solidity/pet-shop_2 ᐅ ls
box-img-lg.png box-img-sm.png bs-config.json contracts migrations node_modules package-lock.json package.json src （前端源文件） test truffle.js