PYTHON(6)基于BASE64加密输出到txt

def mylock(name,txt):
    import base64
    root='C:'
    '''
    txt should add b'' 
    '''
    if txt!='null':
        try:
            os.mkdir(root + 'setting')
        except Exception as e:
            print(e)
        try:
            with open(os.path.join(root, 'setting/%s.dat' % name), 'wb') as f:
                f.write(base64.b64encode(bytes(txt,'utf-8')))
            return 1  # base64加密
        except Exception as e:
            print(e)
def unlock(name):
    import base64
    try:
        if os.path.exists(root + '/setting') is False:
            os.mkdir(root + '/setting')
        with open(os.path.join(root, 'setting/%s.dat' % name), 'r') as f:
            res = base64.b64decode(f.read())
            return res
    except Exception as e:
        print(e)
        return 0
def output():
#以utf8的方式输出
    res=unlock(name)
    print(str(res,'utf-8')