php 增，删，改，查方法下载

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php 基本增删改查代码

//增加留言
function add_message($Title,$Author,$Add_time,$Content){
$insertSQL="insert into extend (Title,Author,Add_time,Content) value ('{$Title}','{$Author}',{$Add_time},'{$Content}')";
$db=new Connect_MySql();
$db->query($insertSQL);
$uid=$db->insert_id();
$db->close();
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