0

0

多个并列分类怎么用递归遍历出其所有子分并统计各自子分类个数

php中文网

php中文网

发布时间:2016-08-18 09:16:34

|

1242人浏览过

|

来源于php中文网

原创

从数据库的一张表中获取了一个数组,为便于分析进行了切割,切割后数组如下:

SophNet
SophNet

专业的AI开发工具平台,让AI集成变得简单高效。

下载
$arr = array(
  0 => 
    array(
      'uid' => 5,
      'username' => '',
      'password' => '',
      'user_status' => 1,
      'login_number' => null,
      'last_login_time' => null,
      'last_login_ip' => null,
      'nickname' => '',
      'mobile' => '13863810574',
      'realname' => '汪精卫',
      'level' => '普通会员',
      'trade_account' => '568050269',
      'reg_time' => null,
      'recom_account' => '243556',
      'total' => null,
      'is_apply' => '0',
      'is_checked' => '0',
      'haschild' => '1',
      ),
  1 => 
    array(
      'uid' => '6',
      'username' => '',
      'password' => '',
      'user_status' => '1',
      'login_number' => null,
      'last_login_time' => null,
      'last_login_ip' => null,
      'nickname' => '',
      'mobile' => '18807556392',
      'realname' => '周杰伦',
      'level' => '普通会员',
      'trade_account' => '12412435356',
      'reg_time' => null,
      'recom_account' => '243556',
      'total' => null,
      'is_apply' => '0',
      'is_checked' => '0',
      'haschild' => '0',
      ),
  2 => 
    array(
      'uid' => '7',
      'username' => '',
      'password' => '',
      'user_status' => '1',
      'login_number' => null,
      'last_login_time' => null,
      'last_login_ip' => null,
      'nickname' => '',
      'mobile' => '18316850912',
      'realname' => '奥巴马',
      'level' => '普通会员',
      'trade_account' => '83475535',
      'reg_time' => null,
      'recom_account' => '834755351',
      'total' => null,
      'is_apply' => '0',
      'is_checked' => '0',
      'haschild' => '0',
      ),
  3 => 
    array(
      'uid' => '8',
      'username' => '',
      'password' => '',
      'user_status' => '1',
      'login_number' => null,
      'last_login_time' => null,
      'last_login_ip' => null,
      'nickname' => '',
      'mobile' => '18879126845',
      'realname' => '大卫',
      'level' => '普通会员',
      'trade_account' => '834755351',
      'reg_time' => null,
      'recom_account' => '154548',
      'total' => null,
      'is_apply' => '0',
      'is_checked' => '0',
      'haschild' => '1',
      ),
  4 => 
    array(
      'uid' => '9',
      'username' => '',
      'password' => '',
      'user_status' => '1',
      'login_number' => null,
      'last_login_time' => null,
      'last_login_ip' => null,
      'nickname' => '',
      'mobile' => '18879701814',
      'realname' => '黄建',
      'level' => '普通会员',
      'trade_account' => '154548',
      'reg_time' => null,
      'recom_account' => '568050269',
      'total' => null,
      'is_apply' => '0',
      'is_checked' => '0',
      'haschild' => '1',
      ),
  5 => 
    array(
      'uid' => '10',
      'username' => '',
      'password' => '',
      'user_status' => '1',
      'login_number' => null,
      'last_login_time' => null,
      'last_login_ip' => null,
      'nickname' => '',
      'mobile' => '18879701814',
      'realname' => '张科',
      'level' => '普通会员',
      'trade_account' => '9527',
      'reg_time' => null,
      'recom_account' => '568050269',
      'total' => null,
      'is_apply' => '0',
      'is_checked' => '0',
      'haschild' => '0',
      ),
      );

现在想对该多维数组进行处理,规则为:当a键的recom_account的值等于b键的trade_account时,则a键值对为b键值对的直接子分类,当c键的recom_account等于a键的trade_account时,则c键值对为b键值对的间接子分类,每个键值对(分类)可以有多个直接子分类,但只对应一个直接父分类,也就是trade_account是唯一的,recom_account不是唯一的。期望返回的结果是:每个键值对增加一个count键,其值为所有直接子分类的个数,一个childlist键,其值为一个多维数组,记录子分类的所有信息,一个total_count键,其值为所有子分类的个数。haschild字段为1表示该分类有子分类(包括直接子分类与间接子分类),为0则没有子分类。如上面的数组,期望生成如下的格式。

$list = array(

        0 =>
        array(
            'uid' => 5,
            'username' => '',
            'password' => '',
            'user_status' => 1,
            'login_number' => null,
            'last_login_time' => null,
            'last_login_ip' => null,
            'nickname' => '',
            'mobile' => '13863810574',
            'realname' => '汪精卫',
            'level' => '普通会员',
            'trade_account' => '568050269',
            'reg_time' => null,
            'recom_account' => '243556',
            'total' => null,
            'is_apply' => '0',
            'is_checked' => '0',
            'haschild' => '1',
            'count' => '2',
            'total_count' => '4',
            'childlist' => array(
                9 => array(//9为子分类的uid
                    'uid' => '9',
                    'username' => '',
                    'password' => '',
                    'user_status' => '1',
                    'login_number' => null,
                    'last_login_time' => null,
                    'last_login_ip' => null,
                    'nickname' => '',
                    'mobile' => '18879701814',
                    'realname' => '黄建',
                    'level' => '普通会员',
                    'trade_account' => '154548',
                    'reg_time' => null,
                    'recom_account' => '568050269',
                    'total' => null,
                    'is_apply' => '0',
                    'is_checked' => '0',
                    'haschild' => '1',
                    'count' => 1,
                    'total_count' => 2,
                    'childlist' => array(
                        8 => array(
                            'uid' => '8',
                            'username' => '',
                            'password' => '',
                            'user_status' => '1',
                            'login_number' => null,
                            'last_login_time' => null,
                            'last_login_ip' => null,
                            'nickname' => '',
                            'mobile' => '18879126845',
                            'realname' => '大卫',
                            'level' => '普通会员',
                            'trade_account' => '834755351',
                            'reg_time' => null,
                            'recom_account' => '154548',
                            'total' => null,
                            'is_apply' => '0',
                            'is_checked' => '0',
                            'haschild' => '1',
                            'count' => 1,
                            'total_count'=>1,
                            'childlist' => array(
                                7 => array(//7为子分类的uid
                                    'uid' => '7',
                                    'username' => '',
                                    'password' => '',
                                    'user_status' => '1',
                                    'login_number' => null,
                                    'last_login_time' => null,
                                    'last_login_ip' => null,
                                    'nickname' => '',
                                    'mobile' => '18316850912',
                                    'realname' => '奥巴马',
                                    'level' => '普通会员',
                                    'trade_account' => '83475535',
                                    'reg_time' => null,
                                    'recom_account' => '834755351',
                                    'total' => null,
                                    'is_apply' => '0',
                                    'is_checked' => '0',
                                    'haschild' => '0',
                                    'count' => 0,
                                    'total_count' => 0,
                                    'childlist' => null,
                                )
                            )
                        )
                    )
                ),
                10 => array(
                    'uid' => '10',
                    'username' => '',
                    'password' => '',
                    'user_status' => '1',
                    'login_number' => null,
                    'last_login_time' => null,
                    'last_login_ip' => null,
                    'nickname' => '',
                    'mobile' => '18879701814',
                    'realname' => '张科',
                    'level' => '普通会员',
                    'trade_account' => '9527',
                    'reg_time' => null,
                    'recom_account' => '568050269',
                    'total' => null,
                    'is_apply' => '0',
                    'is_checked' => '0',
                    'haschild' => '0',
                    'count' => 0,
                    'total_count' => 0,
                    'childlist' => null,
                ),
            )
        ),
        1 =>
        array(
            'uid' => '6',
            'username' => '',
            'password' => '',
            'user_status' => '1',
            'login_number' => null,
            'last_login_time' => null,
            'last_login_ip' => null,
            'nickname' => '',
            'mobile' => '18807556392',
            'realname' => '周杰伦',
            'level' => '普通会员',
            'trade_account' => '12412435356',
            'reg_time' => null,
            'recom_account' => '243556',
            'total' => null,
            'is_apply' => '0',
            'is_checked' => '0',
            'haschild' => '0',
            'count' => 0,
            'total_count' => 0,
            'childlist' => null,
        ),
        2 =>
        array(
            'uid' => '7',
            'username' => '',
            'password' => '',
            'user_status' => '1',
            'login_number' => null,
            'last_login_time' => null,
            'last_login_ip' => null,
            'nickname' => '',
            'mobile' => '18316850912',
            'realname' => '奥巴马',
            'level' => '普通会员',
            'trade_account' => '83475535',
            'reg_time' => null,
            'recom_account' => '834755351',
            'total' => null,
            'is_apply' => '0',
            'is_checked' => '0',
            'haschild' => '0',
            'count' => 0,
            'total_count' => 0,
            'childlist' => null,
        ),
        3 =>
        array(
            'uid' => '8',
            'username' => '',
            'password' => '',
            'user_status' => '1',
            'login_number' => null,
            'last_login_time' => null,
            'last_login_ip' => null,
            'nickname' => '',
            'mobile' => '18879126845',
            'realname' => '大卫',
            'level' => '普通会员',
            'trade_account' => '834755351',
            'reg_time' => null,
            'recom_account' => '154548',
            'total' => null,
            'is_apply' => '0',
            'is_checked' => '0',
            'haschild' => '1',
            'count' => 0,
            'total_count' => 0,
            'childlist' => null,
        ),
        4 =>
        array(
            'uid' => '9',
            'username' => '',
            'password' => '',
            'user_status' => '1',
            'login_number' => null,
            'last_login_time' => null,
            'last_login_ip' => null,
            'nickname' => '',
            'mobile' => '18879701814',
            'realname' => '黄建',
            'level' => '普通会员',
            'trade_account' => '154548',
            'reg_time' => null,
            'recom_account' => '568050269',
            'total' => null,
            'is_apply' => '0',
            'is_checked' => '0',
            'haschild' => '1',
            'count' => 0,
            'total_count' => 0,
            'childlist' => null,
        ),
        5 =>
        array(
            'uid' => '10',
            'username' => '',
            'password' => '',
            'user_status' => '1',
            'login_number' => null,
            'last_login_time' => null,
            'last_login_ip' => null,
            'nickname' => '',
            'mobile' => '18879701814',
            'realname' => '张科',
            'level' => '普通会员',
            'trade_account' => '9527',
            'reg_time' => null,
            'recom_account' => '568050269',
            'total' => null,
            'is_apply' => '0',
            'is_checked' => '0',
            'haschild' => '0',
            'count' => 0,
            'total_count' => 0,
            'childlist' => null,
        ),
    );
    

已参考http://www.thinkphp.cn/topic/...进行调试,但未成功获取返回值。

回复内容:

从数据库的一张表中获取了一个数组,为便于分析进行了切割,切割后数组如下:

$arr = array(
  0 => 
    array(
      'uid' => 5,
      'username' => '',
      'password' => '',
      'user_status' => 1,
      'login_number' => null,
      'last_login_time' => null,
      'last_login_ip' => null,
      'nickname' => '',
      'mobile' => '13863810574',
      'realname' => '汪精卫',
      'level' => '普通会员',
      'trade_account' => '568050269',
      'reg_time' => null,
      'recom_account' => '243556',
      'total' => null,
      'is_apply' => '0',
      'is_checked' => '0',
      'haschild' => '1',
      ),
  1 => 
    array(
      'uid' => '6',
      'username' => '',
      'password' => '',
      'user_status' => '1',
      'login_number' => null,
      'last_login_time' => null,
      'last_login_ip' => null,
      'nickname' => '',
      'mobile' => '18807556392',
      'realname' => '周杰伦',
      'level' => '普通会员',
      'trade_account' => '12412435356',
      'reg_time' => null,
      'recom_account' => '243556',
      'total' => null,
      'is_apply' => '0',
      'is_checked' => '0',
      'haschild' => '0',
      ),
  2 => 
    array(
      'uid' => '7',
      'username' => '',
      'password' => '',
      'user_status' => '1',
      'login_number' => null,
      'last_login_time' => null,
      'last_login_ip' => null,
      'nickname' => '',
      'mobile' => '18316850912',
      'realname' => '奥巴马',
      'level' => '普通会员',
      'trade_account' => '83475535',
      'reg_time' => null,
      'recom_account' => '834755351',
      'total' => null,
      'is_apply' => '0',
      'is_checked' => '0',
      'haschild' => '0',
      ),
  3 => 
    array(
      'uid' => '8',
      'username' => '',
      'password' => '',
      'user_status' => '1',
      'login_number' => null,
      'last_login_time' => null,
      'last_login_ip' => null,
      'nickname' => '',
      'mobile' => '18879126845',
      'realname' => '大卫',
      'level' => '普通会员',
      'trade_account' => '834755351',
      'reg_time' => null,
      'recom_account' => '154548',
      'total' => null,
      'is_apply' => '0',
      'is_checked' => '0',
      'haschild' => '1',
      ),
  4 => 
    array(
      'uid' => '9',
      'username' => '',
      'password' => '',
      'user_status' => '1',
      'login_number' => null,
      'last_login_time' => null,
      'last_login_ip' => null,
      'nickname' => '',
      'mobile' => '18879701814',
      'realname' => '黄建',
      'level' => '普通会员',
      'trade_account' => '154548',
      'reg_time' => null,
      'recom_account' => '568050269',
      'total' => null,
      'is_apply' => '0',
      'is_checked' => '0',
      'haschild' => '1',
      ),
  5 => 
    array(
      'uid' => '10',
      'username' => '',
      'password' => '',
      'user_status' => '1',
      'login_number' => null,
      'last_login_time' => null,
      'last_login_ip' => null,
      'nickname' => '',
      'mobile' => '18879701814',
      'realname' => '张科',
      'level' => '普通会员',
      'trade_account' => '9527',
      'reg_time' => null,
      'recom_account' => '568050269',
      'total' => null,
      'is_apply' => '0',
      'is_checked' => '0',
      'haschild' => '0',
      ),
      );

现在想对该多维数组进行处理,规则为:当a键的recom_account的值等于b键的trade_account时,则a键值对为b键值对的直接子分类,当c键的recom_account等于a键的trade_account时,则c键值对为b键值对的间接子分类,每个键值对(分类)可以有多个直接子分类,但只对应一个直接父分类,也就是trade_account是唯一的,recom_account不是唯一的。期望返回的结果是:每个键值对增加一个count键,其值为所有直接子分类的个数,一个childlist键,其值为一个多维数组,记录子分类的所有信息,一个total_count键,其值为所有子分类的个数。haschild字段为1表示该分类有子分类(包括直接子分类与间接子分类),为0则没有子分类。如上面的数组,期望生成如下的格式。

$list = array(

        0 =>
        array(
            'uid' => 5,
            'username' => '',
            'password' => '',
            'user_status' => 1,
            'login_number' => null,
            'last_login_time' => null,
            'last_login_ip' => null,
            'nickname' => '',
            'mobile' => '13863810574',
            'realname' => '汪精卫',
            'level' => '普通会员',
            'trade_account' => '568050269',
            'reg_time' => null,
            'recom_account' => '243556',
            'total' => null,
            'is_apply' => '0',
            'is_checked' => '0',
            'haschild' => '1',
            'count' => '2',
            'total_count' => '4',
            'childlist' => array(
                9 => array(//9为子分类的uid
                    'uid' => '9',
                    'username' => '',
                    'password' => '',
                    'user_status' => '1',
                    'login_number' => null,
                    'last_login_time' => null,
                    'last_login_ip' => null,
                    'nickname' => '',
                    'mobile' => '18879701814',
                    'realname' => '黄建',
                    'level' => '普通会员',
                    'trade_account' => '154548',
                    'reg_time' => null,
                    'recom_account' => '568050269',
                    'total' => null,
                    'is_apply' => '0',
                    'is_checked' => '0',
                    'haschild' => '1',
                    'count' => 1,
                    'total_count' => 2,
                    'childlist' => array(
                        8 => array(
                            'uid' => '8',
                            'username' => '',
                            'password' => '',
                            'user_status' => '1',
                            'login_number' => null,
                            'last_login_time' => null,
                            'last_login_ip' => null,
                            'nickname' => '',
                            'mobile' => '18879126845',
                            'realname' => '大卫',
                            'level' => '普通会员',
                            'trade_account' => '834755351',
                            'reg_time' => null,
                            'recom_account' => '154548',
                            'total' => null,
                            'is_apply' => '0',
                            'is_checked' => '0',
                            'haschild' => '1',
                            'count' => 1,
                            'total_count'=>1,
                            'childlist' => array(
                                7 => array(//7为子分类的uid
                                    'uid' => '7',
                                    'username' => '',
                                    'password' => '',
                                    'user_status' => '1',
                                    'login_number' => null,
                                    'last_login_time' => null,
                                    'last_login_ip' => null,
                                    'nickname' => '',
                                    'mobile' => '18316850912',
                                    'realname' => '奥巴马',
                                    'level' => '普通会员',
                                    'trade_account' => '83475535',
                                    'reg_time' => null,
                                    'recom_account' => '834755351',
                                    'total' => null,
                                    'is_apply' => '0',
                                    'is_checked' => '0',
                                    'haschild' => '0',
                                    'count' => 0,
                                    'total_count' => 0,
                                    'childlist' => null,
                                )
                            )
                        )
                    )
                ),
                10 => array(
                    'uid' => '10',
                    'username' => '',
                    'password' => '',
                    'user_status' => '1',
                    'login_number' => null,
                    'last_login_time' => null,
                    'last_login_ip' => null,
                    'nickname' => '',
                    'mobile' => '18879701814',
                    'realname' => '张科',
                    'level' => '普通会员',
                    'trade_account' => '9527',
                    'reg_time' => null,
                    'recom_account' => '568050269',
                    'total' => null,
                    'is_apply' => '0',
                    'is_checked' => '0',
                    'haschild' => '0',
                    'count' => 0,
                    'total_count' => 0,
                    'childlist' => null,
                ),
            )
        ),
        1 =>
        array(
            'uid' => '6',
            'username' => '',
            'password' => '',
            'user_status' => '1',
            'login_number' => null,
            'last_login_time' => null,
            'last_login_ip' => null,
            'nickname' => '',
            'mobile' => '18807556392',
            'realname' => '周杰伦',
            'level' => '普通会员',
            'trade_account' => '12412435356',
            'reg_time' => null,
            'recom_account' => '243556',
            'total' => null,
            'is_apply' => '0',
            'is_checked' => '0',
            'haschild' => '0',
            'count' => 0,
            'total_count' => 0,
            'childlist' => null,
        ),
        2 =>
        array(
            'uid' => '7',
            'username' => '',
            'password' => '',
            'user_status' => '1',
            'login_number' => null,
            'last_login_time' => null,
            'last_login_ip' => null,
            'nickname' => '',
            'mobile' => '18316850912',
            'realname' => '奥巴马',
            'level' => '普通会员',
            'trade_account' => '83475535',
            'reg_time' => null,
            'recom_account' => '834755351',
            'total' => null,
            'is_apply' => '0',
            'is_checked' => '0',
            'haschild' => '0',
            'count' => 0,
            'total_count' => 0,
            'childlist' => null,
        ),
        3 =>
        array(
            'uid' => '8',
            'username' => '',
            'password' => '',
            'user_status' => '1',
            'login_number' => null,
            'last_login_time' => null,
            'last_login_ip' => null,
            'nickname' => '',
            'mobile' => '18879126845',
            'realname' => '大卫',
            'level' => '普通会员',
            'trade_account' => '834755351',
            'reg_time' => null,
            'recom_account' => '154548',
            'total' => null,
            'is_apply' => '0',
            'is_checked' => '0',
            'haschild' => '1',
            'count' => 0,
            'total_count' => 0,
            'childlist' => null,
        ),
        4 =>
        array(
            'uid' => '9',
            'username' => '',
            'password' => '',
            'user_status' => '1',
            'login_number' => null,
            'last_login_time' => null,
            'last_login_ip' => null,
            'nickname' => '',
            'mobile' => '18879701814',
            'realname' => '黄建',
            'level' => '普通会员',
            'trade_account' => '154548',
            'reg_time' => null,
            'recom_account' => '568050269',
            'total' => null,
            'is_apply' => '0',
            'is_checked' => '0',
            'haschild' => '1',
            'count' => 0,
            'total_count' => 0,
            'childlist' => null,
        ),
        5 =>
        array(
            'uid' => '10',
            'username' => '',
            'password' => '',
            'user_status' => '1',
            'login_number' => null,
            'last_login_time' => null,
            'last_login_ip' => null,
            'nickname' => '',
            'mobile' => '18879701814',
            'realname' => '张科',
            'level' => '普通会员',
            'trade_account' => '9527',
            'reg_time' => null,
            'recom_account' => '568050269',
            'total' => null,
            'is_apply' => '0',
            'is_checked' => '0',
            'haschild' => '0',
            'count' => 0,
            'total_count' => 0,
            'childlist' => null,
        ),
    );
    

已参考http://www.thinkphp.cn/topic/...进行调试,但未成功获取返回值。

热门AI工具

更多
DeepSeek
DeepSeek

幻方量化公司旗下的开源大模型平台

豆包大模型
豆包大模型

字节跳动自主研发的一系列大型语言模型

通义千问
通义千问

阿里巴巴推出的全能AI助手

腾讯元宝
腾讯元宝

腾讯混元平台推出的AI助手

文心一言
文心一言

文心一言是百度开发的AI聊天机器人,通过对话可以生成各种形式的内容。

讯飞写作
讯飞写作

基于讯飞星火大模型的AI写作工具,可以快速生成新闻稿件、品宣文案、工作总结、心得体会等各种文文稿

即梦AI
即梦AI

一站式AI创作平台,免费AI图片和视频生成。

ChatGPT
ChatGPT

最最强大的AI聊天机器人程序,ChatGPT不单是聊天机器人,还能进行撰写邮件、视频脚本、文案、翻译、代码等任务。

相关专题

更多
pixiv网页版官网登录与阅读指南_pixiv官网直达入口与在线访问方法
pixiv网页版官网登录与阅读指南_pixiv官网直达入口与在线访问方法

本专题系统整理pixiv网页版官网入口及登录访问方式,涵盖官网登录页面直达路径、在线阅读入口及快速进入方法说明,帮助用户高效找到pixiv官方网站,实现便捷、安全的网页端浏览与账号登录体验。

705

2026.02.13

微博网页版主页入口与登录指南_官方网页端快速访问方法
微博网页版主页入口与登录指南_官方网页端快速访问方法

本专题系统整理微博网页版官方入口及网页端登录方式,涵盖首页直达地址、账号登录流程与常见访问问题说明,帮助用户快速找到微博官网主页,实现便捷、安全的网页端登录与内容浏览体验。

233

2026.02.13

Flutter跨平台开发与状态管理实战
Flutter跨平台开发与状态管理实战

本专题围绕Flutter框架展开,系统讲解跨平台UI构建原理与状态管理方案。内容涵盖Widget生命周期、路由管理、Provider与Bloc状态管理模式、网络请求封装及性能优化技巧。通过实战项目演示,帮助开发者构建流畅、可维护的跨平台移动应用。

117

2026.02.13

TypeScript工程化开发与Vite构建优化实践
TypeScript工程化开发与Vite构建优化实践

本专题面向前端开发者,深入讲解 TypeScript 类型系统与大型项目结构设计方法,并结合 Vite 构建工具优化前端工程化流程。内容包括模块化设计、类型声明管理、代码分割、热更新原理以及构建性能调优。通过完整项目示例,帮助开发者提升代码可维护性与开发效率。

22

2026.02.13

Redis高可用架构与分布式缓存实战
Redis高可用架构与分布式缓存实战

本专题围绕 Redis 在高并发系统中的应用展开,系统讲解主从复制、哨兵机制、Cluster 集群模式及数据分片原理。内容涵盖缓存穿透与雪崩解决方案、分布式锁实现、热点数据优化及持久化策略。通过真实业务场景演示,帮助开发者构建高可用、可扩展的分布式缓存系统。

61

2026.02.13

c语言 数据类型
c语言 数据类型

本专题整合了c语言数据类型相关内容,阅读专题下面的文章了解更多详细内容。

30

2026.02.12

雨课堂网页版登录入口与使用指南_官方在线教学平台访问方法
雨课堂网页版登录入口与使用指南_官方在线教学平台访问方法

本专题系统整理雨课堂网页版官方入口及在线登录方式,涵盖账号登录流程、官方直连入口及平台访问方法说明,帮助师生用户快速进入雨课堂在线教学平台,实现便捷、高效的课程学习与教学管理体验。

15

2026.02.12

豆包AI网页版入口与智能创作指南_官方在线写作与图片生成使用方法
豆包AI网页版入口与智能创作指南_官方在线写作与图片生成使用方法

本专题汇总豆包AI官方网页版入口及在线使用方式,涵盖智能写作工具、图片生成体验入口和官网登录方法,帮助用户快速直达豆包AI平台,高效完成文本创作与AI生图任务,实现便捷智能创作体验。

669

2026.02.12

PostgreSQL性能优化与索引调优实战
PostgreSQL性能优化与索引调优实战

本专题面向后端开发与数据库工程师,深入讲解 PostgreSQL 查询优化原理与索引机制。内容包括执行计划分析、常见索引类型对比、慢查询优化策略、事务隔离级别以及高并发场景下的性能调优技巧。通过实战案例解析,帮助开发者提升数据库响应速度与系统稳定性。

58

2026.02.12

热门下载

更多
网站特效
/
网站源码
/
网站素材
/
前端模板

精品课程

更多
相关推荐
/
热门推荐
/
最新课程
PHP课程
PHP课程

共137课时 | 12.1万人学习

JavaScript ES5基础线上课程教学
JavaScript ES5基础线上课程教学

共6课时 | 11.2万人学习

PHP新手语法线上课程教学
PHP新手语法线上课程教学

共13课时 | 0.9万人学习

关于我们 免责申明 举报中心 意见反馈 讲师合作 广告合作 最新更新
php中文网:公益在线php培训,帮助PHP学习者快速成长!
关注服务号 技术交流群
PHP中文网订阅号
每天精选资源文章推送

Copyright 2014-2026 https://www.php.cn/ All Rights Reserved | php.cn | 湘ICP备2023035733号