以太坊开发：Dapp示例-简单投票（一）

投票项目智能合约内容：Voting.sol

pragma solidity ^0.4.22;
contract Voting {
   
     
    mapping (bytes32 => uint8) public votesReceived;
    bytes32[] public candidateList;
    constructor(bytes32[] candidateNames) public {
   
     
        candidateList = candidateNames;