132 lines
2.4 KiB
PHP
132 lines
2.4 KiB
PHP
<?php
|
|
class dbh
|
|
{
|
|
private $db; //传入PDO对象.
|
|
private $product = 0; //产品环境
|
|
|
|
function __construct($db)
|
|
{
|
|
$this->db = $db;
|
|
}
|
|
|
|
function insert($table,$data,$return=false)
|
|
{
|
|
$fields = array();
|
|
$datas = array();
|
|
|
|
foreach($data as $k=>$v)
|
|
{
|
|
$fields[] = '"'.$k.'"';
|
|
if(is_int($v) || is_float($v) || is_bool($v))
|
|
{
|
|
$datas[] = $v;
|
|
}else{
|
|
if(preg_match("/\'/",$v))
|
|
{
|
|
$v = preg_replace("/\'/","''",$v);
|
|
}
|
|
$datas[] = "'".$v."'";
|
|
}
|
|
}
|
|
|
|
if($return == false){
|
|
$fields = join(",",$fields);
|
|
$datas = join(",",$datas);
|
|
$sql = "INSERT INTO \"".$table."\" ($fields) VALUES ($datas)";
|
|
try{
|
|
return $this->db->exec($sql);
|
|
}catch (Exception $e) {
|
|
if($this->product)
|
|
{
|
|
return false;
|
|
}else{
|
|
echo 'Caught exception: '. $e->getMessage(). "\n";
|
|
}
|
|
}
|
|
}else{
|
|
$sql = "INSERT INTO \"".$table."\" ($fields) VALUES ($datas) RETURNING id";
|
|
try{
|
|
$sth = $this->db->prepare($sql);
|
|
if($sth->execute())
|
|
{
|
|
$temp = $sth->fetch(PDO::FETCH_ASSOC);
|
|
return $temp['id'];
|
|
}else{
|
|
return false;
|
|
}
|
|
}catch (Exception $e) {
|
|
if($this->product)
|
|
{
|
|
return false;
|
|
}else{
|
|
echo 'Caught exception: '. $e->getMessage(). "\n";
|
|
}
|
|
}
|
|
}
|
|
}//insert
|
|
|
|
function update($table,$data,$condition="",$return=false)
|
|
{
|
|
$ups = array();
|
|
|
|
foreach($data as $k=>$v)
|
|
{
|
|
if(is_int($v) || is_float($v) || is_bool($v))
|
|
{
|
|
$ups[] = '"'.$k.'"='.$v;
|
|
}else{
|
|
if(preg_match("/\'/",$v))
|
|
{
|
|
$v = preg_replace("/\'/","''",$v);
|
|
}
|
|
$ups[] = '"'.$k.'"=\''.$v."'";
|
|
}
|
|
}
|
|
|
|
$fields = join(",",$ups);
|
|
|
|
if(!empty($condition))
|
|
{
|
|
$wheresql = " WHERE ".$condition;
|
|
}else{
|
|
$wheresql = "";
|
|
}
|
|
|
|
if($return == false){
|
|
|
|
try{
|
|
$sql = "UPDATE \"".$table."\" SET $fields $wheresql";
|
|
if($this->db->exec($sql))
|
|
{
|
|
return true;
|
|
}else{
|
|
return false;
|
|
}
|
|
}catch (Exception $e) {
|
|
if($this->product)
|
|
{
|
|
return false;
|
|
}else{
|
|
echo 'Caught exception: '. $e->getMessage(). "\n";
|
|
}
|
|
}
|
|
}else{
|
|
try{
|
|
$sql = "UPDATE \"".$table."\" SET $fields $wheresql";
|
|
return $this->db->exec($sql);
|
|
}catch (Exception $e) {
|
|
if($this->product)
|
|
{
|
|
return false;
|
|
}else{
|
|
echo "<pre>";
|
|
echo $sql."\r\n";
|
|
echo 'Caught exception: '. $e->getMessage(). "\r\n";
|
|
echo "</pre>";
|
|
}
|
|
}
|
|
}
|
|
|
|
}//update
|
|
|
|
} |