TP 查询缓存
<?php
function cache_data($sql){
$SqlDao = M("User");
$Key = "SqlCache_".md5($sql.time());
$FileData = F($Key,"","./cache/");
if(empty($FileData)){
$data = $SqlDao->query($sql);
$FileData['data'] = $data;
$FileData['expire'] = time()+3000; #缓存5分钟
F($Key,$FileData,"./cache/");
}else{
if($FileData['expire']<time()){
$data = $SqlDao->query($sql);
$FileData['data'] = $data;
$FileData['expire'] = time()+3000; #缓存5分钟
F($Key,$FileData,"./cache/");
}
}
$FileData = F("mp_wechat_token","","./cache/");
return $FileData;
}?>