2020-01-14 DAPP development environment construction

because solidity The version is constantly changing , We need to specify the version to install , Otherwise, many old programs have all kinds of errors , If you have installed other versions, you need to uninstall

npm uninstall -g solc
npm install -g [email protected]
npm uninstall web3
npm install [email protected]
npm install -g [email protected]
npm uninstall -g truffle
npm install -g [email protected]
npm install -g bower
bower install web3#0.20.6
bower install jquery

If bower You need to configure the agent , You need to create a new file C:\Users\elikong.bowerrc Input content ：

{
  "directory": "bower_components", 
  "proxy": "http://yourProxy:yourPort",
  "https-proxy":"http://yourProxy:yourPort",
  "no-proxy":"myserver.mydomain.com"
}

Under the agency truffle init error , You need to ：

git clone https://github.com/trufflesuite/truffle-init-default SimpleCoin
cd SimpleCoin
rmdir /s/q .git