[Contract] Solidity address payable 转换与数组地址
address payable --> address
address payable addr1 = msg.sender; address addr2 = addr1; // 隐式转 address addr3 = address(addr1); // 显式转
address --> address payable
address addr1 = msg.sender; address payable addr2 = address( uint160(addr1) ); // 需要先经过uint160
普通数组地址是:address[],可支付数组地址是:address payable[]
Refer:Solidity地址转换