Solidity-浆糊日记-msg.value-Ether Units (wei, finney, szabo, ether)

pragma solidity ^0.4.21;

contract Money {
    
    event AddressBalanceShow(address current_address, uint256 current_account_address_balance,uint256 contract_account_balance);
    
    constructor() public payable {
       emit AddressBalanceShow(msg.sender, address(msg.sender).balance, address(this).balance);
    }
    
    function deposit() public payable {
        emit AddressBalanceShow(msg.sender, address(msg.sender).balance, address(this).balance);
    }
    
    function withdrawball(uint256 _value) public payable {
        msg.sender.transfer(_value);
        emit AddressBalanceShow(msg.sender, address(msg.sender).balance, address(this).balance);
    }
    
}