摘要：
Map 例子 contract MapTest { mapping(address => uint256) public account; function getAccount(address _addr) public view returns (uint256){ return account 阅读全文
摘要：
数组 例子 contract ArrayTest { uint256[] public array01; uint256[] public array02=[1,2,3]; function push(uint256 i) public{ array01.push(i); } function po 阅读全文