solidity学习笔记（十四）string转化bytes

pragma solidity ^0.4.6;
contract TestString2Bytes{
    string public _name="xiaowu";
    
    function getLength() returns(uint){
        return bytes(_name).length;
    }
    
    function setFirstByteOfName(byte rep) {
        //"0x4c"=L
        bytes(_name)[0] = rep;
    }
}