问几个来自坚实少年的问题

EN

// The contract declaration.
pragma solidity ^0.4.14;

contract ExampleContract { 

    string myMessage;

    // The contract constructor
    function ExampleContract (string _myMessage) {
        // the value of myMessage is text
        // which is stored in the 'state' of the contract.
        // _myMessage is the parameter being passed in.
        // When you deploy the contract, you specify a value for _myMessage.
        // This value is then assigned to myMessage.
        myMessage = _myMessage;
    }

    // A "getter" function that just returns the value of myMessage,
    // which is stored in the contract's "state".
    function GetMessage () returns (string) {
        return myMessage;
    }
}