一步步构建dApp完整truffle项目代码

配博客中的第五个教程，是整个教程最终的代码，运行简单的投票合约，用web客户端和本地的ganache区块链客户端交互。

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2018-09-06 09:41  election\
     文件       59064  2018-09-05 09:26  election\box-img-lg.png
     文件        7619  2018-09-05 09:26  election\box-img-sm.png
     文件          68  2018-09-05 09:26  election\bs-config.json
     目录           0  2018-09-06 09:41  election\build\
     目录           0  2018-09-06 09:41  election\build\contracts\
     文件      108089  2018-09-06 09:41  election\build\contracts\Election.json
     文件       52884  2018-09-06 09:41  election\build\contracts\Migrations.json
     目录           0  2018-09-06 09:39  election\contracts\
     文件           0  2018-09-05 09:26  election\contracts\.gitkeep
     文件        1188  2018-09-06 09:39  election\contracts\Election.sol
     文件         507  2018-09-05 09:26  election\contracts\Migrations.sol
     目录           0  2018-09-05 09:30  election\migrations\
     文件         129  2018-09-05 09:26  election\migrations\1_initial_migration.js
     文件         128  2018-09-05 09:32  election\migrations\2_deploy_contracts.js
     目录           0  2018-09-05 09:27  election\node_modules\
     目录           0  2018-09-05 09:27  election\node_modules\.bin\
     文件         319  2018-09-05 09:27  election\node_modules\.bin\browser-sync
     文件         196  2018-09-05 09:27  election\node_modules\.bin\browser-sync.cmd
     文件         311  2018-09-05 09:27  election\node_modules\.bin\dev-ip
     文件         188  2018-09-05 09:27  election\node_modules\.bin\dev-ip.cmd
     文件         325  2018-09-05 09:27  election\node_modules\.bin\lite-server
     文件         202  2018-09-05 09:27  election\node_modules\.bin\lite-server.cmd
     文件         315  2018-09-05 09:27  election\node_modules\.bin\lt
     文件         192  2018-09-05 09:27  election\node_modules\.bin\lt.cmd
     文件         293  2018-09-05 09:27  election\node_modules\.bin\mime
     文件         170  2018-09-05 09:27  election\node_modules\.bin\mime.cmd
     文件         305  2018-09-05 09:27  election\node_modules\.bin\semver
     文件         182  2018-09-05 09:27  election\node_modules\.bin\semver.cmd
     文件         343  2018-09-05 09:27  election\node_modules\.bin\throttleproxy
     文件         220  2018-09-05 09:27  election\node_modules\.bin\throttleproxy.cmd
............此处省略4416个文件信息