PHP+redis实现添加处理投票的方法
这篇文章主要介绍了PHP+redis实现添加处理投票的方法,结合实例较为详细的分析了PHP+redis数据库操作的相关技巧,具有一定参考借鉴价值,需要的朋友可以参考下
pconnect('127.0.0.1', 6379); if(isset($_SERVER['HTTP_REFERER'])){ $url_md5 = md5($_SERVER['HTTP_REFERER']); } $adve_key = 'adve'; $adve_key_exists = 'adve_exists'; if(!$redis->exists($adve_key_exists)){ $list = $mysql_obj->fetch_array("select * from admin_online_adve"); if($list){ foreach ($list as $key => $value) { $url_hash = md5($value['adve_url']); $adve_hash_key = $adve_key.":".$url_hash; $id = $value['id']; $redis->set($adve_hash_key,$id); $redis->set($adve_key_exists,true); } } } $adve_new_key = $adve_key.':'.$url_md5; if($redis->exists($adve_new_key)){ $adve_plus = $adve_new_key.":plus" ; if(!$redis->exists($adve_plus)){ $redis->set($adve_plus,1); }else{ $redis->incr($adve_plus); $num = $redis->get($adve_plus); if($num >100){ $id = $redis->get($adve_new_key); // insert to sql; $mysql_obj->query("update admin_online_adve set adve_num=adve_num+$num where id=$id"); $redis->set($adve_plus,1); } } } } ?>
其中php连接mysql类mysql.class.php如下：
_server = $dbserver;
$this->_user = $dbuser;
$this->_password = $dbpassword;
$this->_dbname = $database;
$this->_persistency = $persistency;
$this->_autoConnect = $autoConnect;
$this->_checkDB = $checkdb;
if($autoConnect){
$this->connection();
}
}
function connection($newLink = false)
{
if (!$newLink){
if($this->_isConnect && isset($this->_db_connect_id)){
@mysql_close($this->_db_connect_id);
}
}
$this->_db_connect_id = ($this->persistency) ? @mysql_pconnect($this->_server, $this->_user, $this->_password):@mysql_connect($this->_server, $this->_user, $this->_password,$newLink);
if ($this->_db_connect_id)
{
if ($this->version() > '4.1')
{
if ($this->_charset != "")
{
@mysql_query("SET NAMES '".str_replace('-', '', $this->_charset)."'", $this->_db_connect_id);
}
}
if ($this->version() > '5.0')
{
@mysql_query("SET sql_mode=''", $this->_db_connect_id);
}
//检测指定数据库是否连接成功
if ($this->_checkDB){
$dbname = mysql_query('SELECT database()',$this->_db_connect_id);
$dbname = mysql_fetch_array($dbname,MYSQL_NUM);
$dbname = trim($dbname[0]);
}else{
$dbname = '';
}
if ($dbname==$this->_dbname || $dbname==''){
if (!@mysql_select_db($this->_dbname, $this->_db_connect_id))
{
@mysql_close($this->_db_connect_id);
$this->_halt("cannot use database " . $this->_dbname);
}
}else{
if ($this->_checkDB && !$newLink){
$this->connection(true);
}
}
return true;
}
else
{
$this->_halt('connect failed.',false);
}
}
function setCharset($charset){
//$charset = str_replace('-', '', $charset);
$this->_charset = $charset;
}
function setDebug($isDebug=true){
$this->_isDebug = $isDebug;
}
function query($sql,$type='')
{
return $this->_runSQL($sql,MYSQL_SQL_GETDATA,$type);
}
function execute($sql)
{
return $this->_runSQL($sql,MYSQL_SQL_EXECUTE,"UNBUFFERED");
}
function _runSQL($sql,$sqlType=MYSQL_SQL_GETDATA,$type = '')
{
if ($type =="UNBUFFERED"){
$this->_result = @mysql_unbuffered_query($sql,$this->_db_connect_id);
}else{
$this->_result = @mysql_query($sql,$this->_db_connect_id);
}
//测试模式下保存执行的sql语句
if($this->_isDebug){
$this->_sql[]=$sql;
}
if ($this->_result)
{
return $sqlType==MYSQL_SQL_GETDATA?$this->getNumRows():$this->getAffectedRows();
}else{
$this->_halt("Invalid SQL: ".$sql);
return false;
}
}
function next($result_type=MYSQL_ASSOC) {
$this->fetchRow($result_type);
return is_array($this->_record);
}
function f($name) {
if(is_array($this->_record)){
return $this->_record[$name];
}else{
return false;
}
}
function fetchRow($result_type=MYSQL_ASSOC)
{
if( $this->_result )
{
$this->_record = @mysql_fetch_array($this->_result,$result_type);
return $this->_record;
}else{
return false;
}
}
function getAll($sql,$primaryKey="",$result_type=MYSQL_ASSOC)
{
if ($this->_runSQL($sql,MYSQL_SQL_GETDATA)>=0){
return $this->fetchAll($primaryKey,$result_type);
}else{
return false;
}
}
function getOne($sql,$result_type=MYSQL_ASSOC)
{
if ($this->_runSQL($sql,MYSQL_SQL_GETDATA)>0){
$arr = $this->fetchAll("",$result_type);
if(is_array($arr)){
return $arr[0];
}
}else{
return false;
}
}
function fetchAll($primaryKey = "",$result_type=MYSQL_ASSOC)
{
if ($this->_result)
{
$i = 0;
$this->_rowset = array();
if ($primaryKey=="")
{
while($this->next($result_type))
{
$this->_rowset[$i] = $this->_record;
$i++;
}
}else{
while($this->next($result_type))
{
$this->_rowset[$this->f($primaryKey)] = $this->_record;
$i++;
}
}
return $this->_rowset;
}else{
//$this->_halt("Invalid Result");
return false;
}
}
function checkExist($sql)
{
return $this->query($sql)>0?true:false;
}
function getValue($sql, $colset = 0)
{
if ($this->query($sql)>0){
$this->next(MYSQL_BOTH);
return $this->f($colset);
}else{
return false;
}
}
function getNumRows()
{
return @mysql_num_rows($this->_result);
}
function getNumFields()
{
return @mysql_num_fields($this->_result);
}
function getFiledName($offset)
{
return @mysql_field_name($this->_result, $offset);
}
function getFiledType($offset)
{
return @mysql_field_type($this->_result, $offset);
}
function getFiledLen($offset)
{
return @mysql_field_len($this->_result, $offset);
}
function getInsertId()
{
return @mysql_insert_id($this->_db_connect_id);
}
function getAffectedRows()
{
return @mysql_affected_rows($this->_db_connect_id);
}
function free_result()
{
$ret = @mysql_free_result($this->_result);
$this->_result = 0;
return $ret;
}
function version() {
return @mysql_get_server_info($this->_db_connect_id);
}
function close() {
return @mysql_close($this->_db_connect_id);
}
function sqlOutput($isOut = true, $all = true){
if($all){
$ret = implode("
",$this->_sql);
}else{
$ret = $this->_sql[count($this->_sql)-1];
}
if ($isOut){
echo $ret;
}else{
return $ret;
}
}
function _halt($msg="Session halted.",$getErr=true) {
if($this->_isDebug){
if($getErr){
$this->_errno = @mysql_errno($this->_db_connect_id);
$this->_error = @mysql_error($this->_db_connect_id);
printf("MySQL _error: %s (%s)
/n",$this->_errno,$this->_error);
}
die($msg);
}else{
die("Session halted.");
}
}
}
?>