1. Douyin short video matrix source code framework
There are three main frameworks for matrix system source code: Matplotlib, NumPy and SciPy. Matplotlib is a library for charting that can be used to draw various types of charts, including line graphs, scatter plots, histograms, and more. NumPy is a library for processing large multidimensional arrays and matrices, providing efficient numerical computing tools and linear algebra functions. SciPy is a scientific computing library built on the basis of NumPy, which provides more numerical computing and scientific computing functions, including probability distribution, Fourier transform, optimization algorithm, etc. Using these three frameworks, a variety of matrix-related applications can be quickly developed, from simple data visualization to complex scientific computing and data analysis.
2. Notes on source code development:
First, understand the basic knowledge of Douyin SEO. SEO is the abbreviation of Search Engine Optimization, which refers to the technology of improving the internal ranking of websites in search engines by optimizing the structure and content of webpages. To develop Douyin SEO source code, you need to have a certain degree of understanding of this knowledge.
Second, prepare the development tools. Douyin SEO source code needs to be written, so it needs to have certain programming skills and some development tools. Commonly used tools are VSCode, Android Studio, etc.
Third, understand user needs. When developing Douyin SEO source code, we need to understand the needs of users, so that we can develop SEO source code that better meets user needs.
Fourth, understand the competition. The content on Douyin is very rich, and the competition is very fierce. When developing SEO source code, you need to understand the situation of your competitors, and then find optimization solutions from them to improve your competitiveness.
Fifth, keep learning and practicing. SEO is an ever-evolving field, so it is necessary to keep up with learning new knowledge and techniques, and keep practicing in order to maintain its competitiveness.
In short, Douyin SEO source code development requires certain technical capabilities and knowledge reserves, as well as understanding user needs and competition, and continuous learning and practice. Only in this way can we develop better SEO source code and provide users with a better experience. 
3. Construction steps of Douyin seo matrix system source code technology
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First, you need to prepare a server and choose a suitable system, such as CentOS or Ubuntu.
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Install a LAMP (Linux, Apache, MySQL, PHP) or LEMP (Linux, Nginx, MySQL, PHP) environment to ensure that services such as PHP and MySQL can run.
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Download the source code of Douyin SEO matrix system and unzip the file.
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Create a database using the MySQL command line or phpMyAdmin tool.
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Import the SQL file in the source code into the database just created.
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Open the config.php file in the source code, and modify the configuration information according to the actual situation, such as database connection information, website name, domain name, etc.
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To upload the source code to the server, you can use FTP software or command line tools.
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Configure Apache or Nginx on the server, and deploy the source code to the virtual host.
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Test that the website is functioning properly and make sure it is accessible.
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According to actual needs, add content, optimize keywords, etc., to increase the exposure and traffic of the website on the Douyin platform.
4. Develop front-end code display
$daid = $this->request->getIntParam('daid', 0);
//应用类型输出
$where = [
['name' => 'cl_ds_id', 'oper' => '=', 'value' => $this->sid],
];
if (!empty($daid)) {
$where[] = ['name' => 'dl_qyh_uid', 'oper' => '=', 'value' => $daid];
}
$this->output['enter_id'] = $daid;
$sort = ['cl_create_time' => 'DESC'];
$chat_list_model = new App_Model_Douyin_MysqlChatListStorage();
$chat_result = $chat_list_model->getList($where, $this->index, $this->count, $sort);
$intent_model = new App_Model_Douyin_MysqlIntentUserStorage();
#$account_model = new App_Model_Douyin_MysqlDyAccountStorage();
$chat_list = [];
foreach ($chat_result as $item) {
#$account = $account_model->getRowByIdSid($item['cl_qyh_uid'], $this->sid);
$intention = $intent_model->getUserByOpenId($this->sid, $item['cl_from_openid']);
$each = [
'user_nickname' => empty($intention) ? '匿名' : $intention['iu_nickname'],
'user_avatar' => empty($intention) ? parent::TEMPLATE_PLACEHOLDER_IMAGE : $intention['iu_avatar'],
'user_newmsg' => $item['cl_new_text'],
'user_newtime' => date('Y-m-d H:i:s', $item['cl_new_time']),
'user_openid' => $item['cl_from_openid'],
'qyh_uid' => $item['cl_qyh_uid'],
'undo_count' => $item['cl_undo_count'],
];
array_push($chat_list, $each);
}
$this->displayJson($chat_list);
$from_openid = $this->request->getStrParam('from_openid');
$qyh_uid = $this->request->getIntParam('qyh_uid');
$letter_model = new App_Model_Douyin_MysqlLetterStorage();
$detail_result = $letter_model->getChatListOrder($from_openid, $qyh_uid, $this->sid, $this->index, $this->count);
$chat_detail = [];
foreach ($detail_result as $item) {
$each = [
'msg_type' => $item['dl_msg_type'],
'msg_content' => $item['dl_msg_content'],
'msg_time' => date('Y-m-d H:i:s', $item['dl_create_time']),
'send_receive' => intval($item['dl_send_receive']), //1收到的消息，2发送的消息
];
array_push($chat_detail, $each);
}
$account_model = new App_Model_Douyin_MysqlDyAccountStorage();
$qyh_account = $account_model->getRowByIdSid($qyh_uid, $this->sid);
$intent_model = new App_Model_Douyin_MysqlIntentUserStorage();
$from_account = $intent_model->getUserByOpenId($this->sid, $from_openid, $qyh_uid);
$return_data = [
'from_user' => [
'nickname' => empty($from_account) ? '匿名' : $from_account['iu_nickname'],
'avatar' => empty($from_account) ? parent::TEMPLATE_PLACEHOLDER_IMAGE : $from_account['iu_avatar'],
'openid' => $from_openid,
],
'to_user' => [
'nickname' => $qyh_account['da_nickname'],
'avatar' => $qyh_account['da_avatar'],
'qyh_uid' => $qyh_uid,
],
'chat_detail' => $chat_detail
];
$chat_list_model = new App_Model_Douyin_MysqlChatListStorage();
$cl_where = [
['name' => 'cl_ds_id', 'oper' => '=', 'value' => $this->sid],
['name' => 'cl_qyh_uid', 'oper' => '=', 'value' => $qyh_uid],
['name' => 'cl_from_openid', 'oper' => '=', 'value' => $from_openid],
];
$chat_list_model->updateValue(['cl_undo_count' => 0], $cl_where);
$this->displayJson($return_data);