小明<br>90<br>Array
(
    [name] => 小明
    [age] => 16
    [score] => 90
)
修改 : 85Array
(
    [name] => 小明
    [age] => 16
    [score] => 85
)
新增 : 男<br>Array
(
    [name] => 小明
    [age] => 16
    [score] => 85
    [sex] => 男
)