批改状态:合格
老师批语:
<?php
interface iDb{
static function insert($db,$table,$data);
static function select($db,$table,$where,$fields,$order,$skip,$limit);
static function delete($db,$table,$where=[]);
static function update($db,$table,$data,$where=[]);
}
abstract class aDb implements iDb {
protected static $_instance;
private function __construct()
{
}
static function con_($host='localhost',$user='root',$pwd='root',$db='heima')
{
$dsn = 'mysql:host='.$host.';dbname='.$db;
if(!self::$_instance){
try {
$dbh = new PDO($dsn, $user,$pwd, array(PDO::ATTR_ERRMODE => PDO::ERRMODE_WARNING));
} catch (PDOException $e) {
echo 'Connection failed: ' . $e->getMessage();
exit;
}
return $dbh;
}
}
private function __clone()
{
// TODO: Implement __clone() method.
}
}
class Db extends aDb{
public function ls($data){
echo "<pre>";
print_r($data);
}
static function insert($db,$table,$data){
$key_str='';
$v_str='';
foreach($data as $key=>$v){
$key_str.=$key.",";
$v_str.= gettype($v) === 'string'?"'".$v."',":$v.',';
}
$key_str=trim($key_str,',');
$v_str=trim($v_str,',');
//判断数据是否为空
$sql="insert into $table ($key_str) values ($v_str)";
//echo $sql;
//INSERT INTO 'heima'.'sp_goods' ('goods_id', 'goods_name', 'goods_price', 'goods_number', 'goods_weight', 'cat_id', 'goods_introduce', 'goods_big_logo', 'goods_small_logo', 'is_del', 'add_time', 'upd_time', 'delete_time', 'cat_one_id', 'cat_two_id', 'cat_three_id', 'hot_mumber', 'is_promote', 'goods_state') VALUES ('1', '南极人女士三角内裤 中腰可爱无痕女士内裤 均码 k102P1027', '49.00', '100', '100', '1191', '<div class=\"lazyimg\"><div moduleid=\"R9000475_3\" modulename=\"商品详情\"><p><img data-src=\"//image.suning.cn/uimg/sop/commodity/138920341921275653753268_x.jpg?from=mobile&format=80q.webp\" alt=\"\" src=\"//image.suning.cn/uimg/sop/commodity/138920341921275653753268_x.jpg?from=mobile&format=80q.webp\" width=\"100%\" height=\"auto\"><img data-src=\"//image.suning.cn/uimg/sop/commodity/320294018209000122936780_x.jpg?from=mobile&format=80q.webp\" alt=\"\" src=\"//image.suning.cn/uimg/sop/commodity/320294018209000122936780_x.jpg?from=mobile&format=80q.webp\" width=\"100%\" height=\"auto\"><img data-src=\"//image.suning.cn/uimg/sop/commodity/704928021836697029300000_x.jpg?from=mobile&format=80q.webp\" alt=\"\" src=\"//image.suning.cn/uimg/sop/commodity/704928021836697029300000_x.jpg?from=mobile&format=80q.webp\" width=\"100%\" height=\"auto\"><img data-src=\"//image.suning.cn/uimg/sop/commodity/674563845781283224909500_x.jpg?from=mobile&format=80q.webp\" alt=\"\" src=\"//image.suning.cn/uimg/sop/commodity/674563845781283224909500_x.jpg?from=mobile&format=80q.webp\" width=\"100%\" height=\"auto\"><img data-src=\"//image.suning.cn/uimg/sop/commodity/151134588018743970526002_x.jpg?from=mobile&format=80q.webp\" alt=\"\" src=\"//image.suning.cn/uimg/sop/commodity/151134588018743970526002_x.jpg?from=mobile&format=80q.webp\" width=\"100%\" height=\"auto\"><img data-src=\"//image.suning.cn/uimg/sop/commodity/831318046793946113206000_x.jpg?from=mobile&format=80q.webp\" alt=\"\" src=\"//image.suning.cn/uimg/sop/commodity/831318046793946113206000_x.jpg?from=mobile&format=80q.webp\" width=\"100%\" height=\"auto\"><img data-src=\"//image.suning.cn/uimg/sop/commodity/916281915185884963655750_x.jpg?from=mobile&format=80q.webp\" alt=\"\" src=\"//image.suning.cn/uimg/sop/commodity/916281915185884963655750_x.jpg?from=mobile&format=80q.webp\" width=\"100%\" height=\"auto\"><img data-src=\"//image.suning.cn/uimg/sop/commodity/472343017167947876723490_x.jpg?from=mobile&format=80q.webp\" alt=\"\" src=\"//image.suning.cn/uimg/sop/commodity/472343017167947876723490_x.jpg?from=mobile&format=80q.webp\" width=\"100%\" height=\"auto\"><img data-src=\"//image.suning.cn/uimg/sop/commodity/942767809372154340834000_x.jpg?from=mobile&format=80q.webp\" alt=\"\" src=\"//image.suning.cn/uimg/sop/commodity/942767809372154340834000_x.jpg?from=mobile&format=80q.webp\" width=\"100%\" height=\"auto\"><img data-src=\"//image.suning.cn/uimg/sop/commodity/163812559664514099011170_x.jpg?from=mobile&format=80q.webp\" alt=\"\" src=\"//image.suning.cn/uimg/sop/commodity/163812559664514099011170_x.jpg?from=mobile&format=80q.webp\" width=\"100%\" height=\"auto\"><img data-src=\"//image.suning.cn/uimg/sop/commodity/697203950107440612220250_x.jpg?from=mobile&format=80q.webp\" alt=\"\" src=\"//image.suning.cn/uimg/sop/commodity/697203950107440612220250_x.jpg?from=mobile&format=80q.webp\" width=\"100%\" height=\"auto\"><img data-src=\"//image.suning.cn/uimg/sop/commodity/697247714477543390785500_x.jpg?from=mobile&format=80q.webp\" alt=\"\" src=\"//image.suning.cn/uimg/sop/commodity/697247714477543390785500_x.jpg?from=mobile&format=80q.webp\" width=\"100%\" height=\"auto\"><img data-src=\"//image.suning.cn/uimg/sop/commodity/161411030914914658667827_x.jpg?from=mobile&format=80q.webp\" alt=\"\" src=\"//image.suning.cn/uimg/sop/commodity/161411030914914658667827_x.jpg?from=mobile&format=80q.webp\" width=\"100%\" height=\"auto\"><img data-src=\"//image.suning.cn/uimg/sop/commodity/669094843119273038295020_x.jpg?from=mobile&format=80q.webp\" alt=\"\" src=\"//image.suning.cn/uimg/sop/commodity/669094843119273038295020_x.jpg?from=mobile&format=80q.webp\" width=\"100%\" height=\"auto\"><img data-src=\"//image.suning.cn/uimg/sop/commodity/362990339109906307146490_x.jpg?from=mobile&format=80q.webp\" alt=\"\" src=\"//image.suning.cn/uimg/sop/commodity/362990339109906307146490_x.jpg?from=mobile&format=80q.webp\" width=\"100%\" height=\"auto\"><img data-src=\"//image.suning.cn/uimg/sop/commodity/200766730097564804937320_x.jpg?from=mobile&format=80q.webp\" alt=\"\" src=\"//image.suning.cn/uimg/sop/commodity/200766730097564804937320_x.jpg?from=mobile&format=80q.webp\" width=\"100%\" height=\"auto\"><img data-src=\"//image.suning.cn/uimg/sop/commodity/357686216186091569615500_x.jpg?from=mobile&format=80q.webp\" alt=\"\" src=\"//image.suning.cn/uimg/sop/commodity/357686216186091569615500_x.jpg?from=mobile&format=80q.webp\" width=\"100%\" height=\"auto\"><img data-src=\"//image.suning.cn/uimg/sop/commodity/206539641915557176577986_x.jpg?from=mobile&format=80q.webp\" alt=\"\" src=\"//image.suning.cn/uimg/sop/commodity/206539641915557176577986_x.jpg?from=mobile&format=80q.webp\" width=\"100%\" height=\"auto\"><img data-src=\"//image.suning.cn/uimg/sop/commodity/106568805613403252031066_x.jpg?from=mobile&format=80q.webp\" alt=\"\" src=\"//image.suning.cn/uimg/sop/commodity/106568805613403252031066_x.jpg?from=mobile&format=80q.webp\" width=\"100%\" height=\"auto\"><img data-src=\"//image.suning.cn/uimg/sop/commodity/562575204157804367889930_x.jpg?from=mobile&format=80q.webp\" alt=\"\" src=\"//image.suning.cn/uimg/sop/commodity/562575204157804367889930_x.jpg?from=mobile&format=80q.webp\" width=\"100%\" height=\"auto\"><img data-src=\"//image.suning.cn/uimg/sop/commodity/201136725963941859463860_x.jpg?from=mobile&format=80q.webp\" alt=\"\" src=\"//image.suning.cn/uimg/sop/commodity/201136725963941859463860_x.jpg?from=mobile&format=80q.webp\" width=\"100%\" height=\"auto\"><img data-src=\"//image.suning.cn/uimg/sop/commodity/174343734111585091167516_x.jpg?from=mobile&format=80q.webp\" alt=\"\" src=\"//image.suning.cn/uimg/sop/commodity/174343734111585091167516_x.jpg?from=mobile&format=80q.webp\" width=\"100%\" height=\"auto\"><img data-src=\"//image.suning.cn/uimg/sop/commodity/174437664961525990196410_x.jpg?from=mobile&format=80q.webp\" alt=\"\" src=\"//image.suning.cn/uimg/sop/commodity/174437664961525990196410_x.jpg?from=mobile&format=80q.webp\" width=\"100%\" height=\"auto\"><img data-src=\"//image.suning.cn/uimg/sop/commodity/852602712102381755560600_x.jpg?from=mobile&format=80q.webp\" alt=\"\" src=\"//image.suning.cn/uimg/sop/commodity/852602712102381755560600_x.jpg?from=mobile&format=80q.webp\" width=\"100%\" height=\"auto\"></p></div><div moduleid=\"R9000475_4\" modulename=\"商品尺码表\"><p><img data-src=\"//image.suning.cn/uimg/sop/commodity/191351338116998619431514_x.jpg?from=mobile&format=80q.webp\" alt=\"\" src=\"//image.suning.cn/uimg/sop/commodity/191351338116998619431514_x.jpg?from=mobile&format=80q.webp\" width=\"100%\" height=\"auto\"></p></div><div moduleid=\"R9000475_5\" modulename=\"模特效果\"><p><img data-src=\"//image.suning.cn/uimg/sop/commodity/378452992490143925172200_x.jpg?from=mobile&format=80q.webp\" alt=\"\" src=\"//image.suning.cn/uimg/sop/commodity/378452992490143925172200_x.jpg?from=mobile&format=80q.webp\" width=\"100%\" height=\"auto\"></p></div></div>', '', 'http://image1.suning.cn/uimg/b2c/newcatentries/0070081143-000000000145723256_2_200x200.jpg', '0', '1514255862', '1514255862', NULL, '1157', '1174', '1191', '0', '0', '2');
// echo "<pre>";
// print_r($db->exec($sql));
if($db->exec($sql)){
return $db->lastInsertId();
}
}
static function select($db,$table,$where,$fields='*',$order='',$skip=0,$limit=1000){
if(is_array($where)){
foreach ($where as $key => $val) {
if (is_numeric($val)) {
$condition = $key.'='.$val;
}else{
$condition = $key.'=\"'.$val.'\"';
}
}
}else{
$condition = $where;
}
if (!empty($order)) {
$order = " order by ".$order;
}
$sql = "select $fields from $table where $condition $order limit $skip,$limit";
// echo $sql;
return $db->query($sql)->fetchAll(PDO::FETCH_ASSOC);
}
static function delete($db,$table,$where=[]){
//不完善 还有or条件没判别 数组组合 字段合并 但大概是这个意思
$condition='';
if(is_array($where)){
foreach ($where as $key => $val) {
if(is_array($val)){
list($a,$b) = $val;
if($a == 'like'){
$condition.=$key .' like ' .'\'%'.$b.'%\' and ';
}else{
$condition.= $key.$a.$b.' and ';
}
}else{
if (is_numeric($val)) {
$condition .= $key.'='.$val.' and';
}else{
$condition .= $key.'=\"'.$val.'\" and';
}
}
}
$condition=rtrim($condition,' and');
$sql = "delete from $table where $condition";
echo $sql;
echo $db->exec($sql);
}
}
static function update($db,$table,$data,$where=[]){
//还有 > < != 没判别 还有or
$str='';
foreach($data as $key=>$v){
$str.="$key='$v',";
}
$str=rtrim($str,',');
if(is_array($where)){
foreach ($where as $key => $val) {
if(is_array($val)){
$condition = $key.' in ('.implode(',', $val) .')';
} else {
$condition = $key. '=' .$val;
}
}
} else {
$condition = $where;
}
$sql="update $table set $str where $condition";
echo $sql;
echo $db->exec($sql);
}
}
$obj = Db::con_();
$table = 'sp_goods_cats';
//$data = DB::select($obj,'sp_goods',['goods_id'=>23]);
//$data = ['parent_id'=>0,'cat_name'=>'ces','is_show'=>1,'cat_sort'=>0,'data_flag'=>1,'create_time'=>time()];
//
//$res = Db::delete($obj,$table,['cat_name'=>['like','ce'],'is_show'=>['>',0]]);
//$res = Db::insert($obj,$table,$data);
//echo "<pre>";
//print_r($res);
Db::update($obj,$table,['cat_sort'=>2],['cat_sort'=>[0,1]]);
Copyright 2014-2025 https://www.php.cn/ All Rights Reserved | php.cn | 湘ICP备2023035733号