


PHP reads the table structure and automatically generates PHP classes
When I usually write projects, I often encounter operating databases. The most troublesome thing every time I operate a database is to write a table mapping class. Based on the rules, I wrote an automatically generated small demo:
<code><span><?php</span><span>// 数据库配置参数</span><span>$db_config</span> = <span>array</span>( <span>'host'</span> => <span>'127.0.0.1'</span>, <span>'port'</span> => <span>3306</span>, <span>'username'</span> => <span>'root'</span>, <span>'password'</span> => <span>''</span>, <span>'dbname'</span> => <span>'joe_db'</span>, <span>'charset'</span> => <span>'utf8'</span> ); <span>$tablePre</span> = <span>'joe_'</span>; <span>// 表前缀</span><span>$tableName</span> = <span>'users'</span>; <span>// 表名</span><span>$res</span> = linkdb(<span>$db_config</span>, <span>$tablePre</span> . <span>$tableName</span>); <span>$className</span> = <span>$tableName</span> . <span>'Dmodel'</span>; <span>$fileName</span> = <span>$tableName</span> . <span>'.dm.class.php'</span>; <span>$annStr</span> = addAnnotation(<span>$fileName</span>, <span>$tableName</span>, <span>'用户session表'</span>); <span>$classStr</span> = readTableStr(<span>$res</span>, <span>$className</span>,<span>$annStr</span>); <span>// 写入文件</span><span>$file</span> = fopen(<span>$fileName</span>, <span>"w+"</span>); fwrite(<span>$file</span>, <span>$classStr</span>); fclose(<span>$file</span>); <span>/** * 根据表结构初始化表对象 * *<span> @param</span> unknown $res *<span> @param</span> unknown $className *<span> @return</span> string */</span><span><span>function</span><span>readTableStr</span><span>(<span>$res</span>, <span>$className</span>, <span>$annStr</span>=<span>''</span>)</span> {</span><span>$result</span> = <span>'<?php '</span> . <span>"\n"</span>; <span>$result</span> .= <span>$annStr</span>; <span>$result</span> .= <span>"class $className \n{"</span>; <span>// 变量</span><span>foreach</span> (<span>$res</span><span>as</span><span>$v</span>) { <span>$result</span> .= <span>"\n"</span> . <span>'private $_'</span> . strtolower(<span>$v</span>[<span>'Field'</span>]) . <span>";//"</span> . <span>$v</span>[<span>'Comment'</span>] . <span>$v</span>[<span>'Type'</span>]; } <span>$result</span> .= <span>"\n"</span>; <span>// get set</span><span>foreach</span> (<span>$res</span><span>as</span><span>$v</span>) { <span>$result</span> .= <span>"\n public function set"</span> . <span>$v</span>[<span>'Field'</span>] . <span>'($_'</span> . strtolower(<span>$v</span>[<span>'Field'</span>]) . <span>"){"</span>; <span>$result</span> .= <span>"\n"</span> . <span>' $this->_'</span> . strtolower(<span>$v</span>[<span>'Field'</span>]) . <span>'=$_'</span> . strtolower(<span>$v</span>[<span>'Field'</span>]) . <span>";"</span>; <span>$result</span> .= <span>"\n }"</span>; <span>$result</span> .= <span>"\n public function get"</span> . <span>$v</span>[<span>'Field'</span>] . <span>'(){'</span>; <span>$result</span> .= <span>"\n"</span> . <span>' return $this->_'</span> . strtolower(<span>$v</span>[<span>'Field'</span>]) . <span>";"</span>; <span>$result</span> .= <span>"\n }"</span>; <span>$result</span> .= <span>"\n"</span>; } <span>$result</span> .= <span>" \n }"</span>; <span>$result</span> .= <span>" \n ?>"</span>; <span>return</span><span>$result</span>; } <span>/** * 添加类注释 * *<span> @param</span> unknown $fileName *<span> @param</span> unknown $fun *<span> @param</span> unknown $des *<span> @param</span> unknown $date *<span> @param</span> unknown $author */</span><span><span>function</span><span>addAnnotation</span><span>(<span>$fileName</span>, <span>$fun</span>, <span>$des</span>)</span> {</span><span>$annStr</span> = <span>"\n/**"</span>; <span>$annStr</span> .= <span>"\n* 文件名:"</span> . <span>$fileName</span>; <span>$annStr</span> .= <span>"\n* 功能: 模型层-表-"</span> . <span>$fun</span>; <span>$annStr</span> .= <span>"\n* 描述: "</span> . <span>$des</span>; <span>$annStr</span> .= <span>"\n* 日期: "</span> . date(<span>'y-m-d'</span>, time()); <span>$annStr</span> .= <span>"\n* 版权: Copyright ? 2016 github.com/JoeXiong All Rights Reserved"</span>; <span>$annStr</span> .= <span>"\n* @author JoeXiong"</span>; <span>$annStr</span> .= <span>"\n*/"</span>; <span>return</span><span>$annStr</span>; } <span>/** * * 连接数据库,查询表结构 * *<span> @param</span> unknown $array * 数据库连接参数 *<span> @param</span> unknown $tableName * 表名 */</span><span><span>function</span><span>linkdb</span><span>(<span>$array</span>, <span>$tableName</span>)</span> {</span><span>$mysql_server_name</span> = <span>$array</span>[<span>'host'</span>]; <span>// 改成自己的mysql数据库服务器</span><span>$mysql_username</span> = <span>$array</span>[<span>'username'</span>]; <span>// 改成自己的mysql数据库用户名</span><span>$mysql_password</span> = <span>$array</span>[<span>'password'</span>]; <span>// 改成自己的mysql数据库密码</span><span>$mysql_database</span> = <span>$array</span>[<span>'dbname'</span>]; <span>// 改成自己的mysql数据库名</span><span>$conn</span> = mysql_connect(<span>$mysql_server_name</span>, <span>$mysql_username</span>, <span>$mysql_password</span>) <span>or</span><span>die</span>(<span>"error connecting"</span>); <span>// 连接数据库</span> mysql_query(<span>"set names "</span> . <span>$array</span>[<span>'charset'</span>]); <span>// 数据库输出编码</span> mysql_select_db(<span>$mysql_database</span>); <span>// 打开数据库</span><span>$sql</span> = <span>"SHOW FULL COLUMNS FROM $tableName"</span>; <span>$res</span> = mysql_query(<span>$sql</span>); <span>$res</span> = dataTable(<span>$res</span>); <span>return</span><span>$res</span>; } <span>/** * 返回到表集合 * *<span> @param</span> query $query *<span> @return</span> array */</span><span><span>function</span><span>dataTable</span><span>(<span>$query</span>)</span> {</span><span>if</span> (<span>$query</span>) { <span>$ListTable</span> = <span>array</span>(); <span>while</span> (<span>$rows</span> = mysql_fetch_array(<span>$query</span>, MYSQL_ASSOC)) { array_push(<span>$ListTable</span>, <span>$rows</span>); } <span>return</span><span>$ListTable</span>; } <span>else</span> { <span>return</span><span>0</span>; } } <span>/** * 调试函数 * *<span> @param</span> unknown $msg */</span><span><span>function</span><span>show_bug</span><span>(<span>$msg</span>)</span> {</span><span>echo</span><span>'<pre class="brush:php;toolbar:false">'</span>; var_dump(<span>$msg</span>); <span>echo</span><span>''; }
The final effect:
<code><span><?php</span><span>/** * 文件名:users.dm.class.php * 功能: 模型层-表-users * 描述: 用户session表 * 日期: 16-06-27 * 版权: Copyright ? 2016 github.com/JoeXiong All Rights Reserved *<span> @author</span> JoeXiong */</span><span><span>class</span><span>usersDmodel</span> {</span><span>private</span><span>$_userid</span>; <span>// int(11) unsigned</span><span>private</span><span>$_username</span>; <span>// 用户名varchar(50)</span><span>private</span><span>$_password</span>; <span>// 密码varchar(32)</span><span>private</span><span>$_email</span>; <span>// 邮箱varchar(80)</span><span>private</span><span>$_mobile</span>; <span>// 手机号码varchar(20)</span><span>private</span><span>$_ip</span>; <span>// 用户注册IDvarchar(30)</span><span>private</span><span>$_status</span>; <span>// 帐号状态tinyint(1) unsigned</span><span>private</span><span>$_areaid</span>; <span>// 区域Id,10001为本区;10002为qq用户;10003为新浪微博用户smallint(5) unsigned</span><span>private</span><span>$_addtime</span>; <span>// 创建时间int(10) unsigned</span><span>public</span><span><span>function</span><span>setUserId</span><span>(<span>$_userid</span>)</span> {</span><span>$this</span>->_userid = <span>$_userid</span>; } <span>public</span><span><span>function</span><span>getUserId</span><span>()</span> {</span><span>return</span><span>$this</span>->_userid; } <span>public</span><span><span>function</span><span>setUserName</span><span>(<span>$_username</span>)</span> {</span><span>$this</span>->_username = <span>$_username</span>; } <span>public</span><span><span>function</span><span>getUserName</span><span>()</span> {</span><span>return</span><span>$this</span>->_username; } <span>public</span><span><span>function</span><span>setPassWord</span><span>(<span>$_password</span>)</span> {</span><span>$this</span>->_password = <span>$_password</span>; } <span>public</span><span><span>function</span><span>getPassWord</span><span>()</span> {</span><span>return</span><span>$this</span>->_password; } <span>public</span><span><span>function</span><span>setEmail</span><span>(<span>$_email</span>)</span> {</span><span>$this</span>->_email = <span>$_email</span>; } <span>public</span><span><span>function</span><span>getEmail</span><span>()</span> {</span><span>return</span><span>$this</span>->_email; } <span>public</span><span><span>function</span><span>setMobile</span><span>(<span>$_mobile</span>)</span> {</span><span>$this</span>->_mobile = <span>$_mobile</span>; } <span>public</span><span><span>function</span><span>getMobile</span><span>()</span> {</span><span>return</span><span>$this</span>->_mobile; } <span>public</span><span><span>function</span><span>setIP</span><span>(<span>$_ip</span>)</span> {</span><span>$this</span>->_ip = <span>$_ip</span>; } <span>public</span><span><span>function</span><span>getIP</span><span>()</span> {</span><span>return</span><span>$this</span>->_ip; } <span>public</span><span><span>function</span><span>setStatus</span><span>(<span>$_status</span>)</span> {</span><span>$this</span>->_status = <span>$_status</span>; } <span>public</span><span><span>function</span><span>getStatus</span><span>()</span> {</span><span>return</span><span>$this</span>->_status; } <span>public</span><span><span>function</span><span>setAreaId</span><span>(<span>$_areaid</span>)</span> {</span><span>$this</span>->_areaid = <span>$_areaid</span>; } <span>public</span><span><span>function</span><span>getAreaId</span><span>()</span> {</span><span>return</span><span>$this</span>->_areaid; } <span>public</span><span><span>function</span><span>setAddTime</span><span>(<span>$_addtime</span>)</span> {</span><span>$this</span>->_addtime = <span>$_addtime</span>; } <span>public</span><span><span>function</span><span>getAddTime</span><span>()</span> {</span><span>return</span><span>$this</span>->_addtime; } } <span>?></span></span></code>
The above introduces how PHP reads table structures and automatically generates PHP classes, including the relevant content. I hope it will be helpful to friends who are interested in PHP tutorials.

Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

Video Face Swap
Swap faces in any video effortlessly with our completely free AI face swap tool!

Hot Article

Hot Tools

Notepad++7.3.1
Easy-to-use and free code editor

SublimeText3 Chinese version
Chinese version, very easy to use

Zend Studio 13.0.1
Powerful PHP integrated development environment

Dreamweaver CS6
Visual web development tools

SublimeText3 Mac version
God-level code editing software (SublimeText3)

Hot Topics











Laravel is a PHP framework for easy building of web applications. It provides a range of powerful features including: Installation: Install the Laravel CLI globally with Composer and create applications in the project directory. Routing: Define the relationship between the URL and the handler in routes/web.php. View: Create a view in resources/views to render the application's interface. Database Integration: Provides out-of-the-box integration with databases such as MySQL and uses migration to create and modify tables. Model and Controller: The model represents the database entity and the controller processes HTTP requests.

MySQL and phpMyAdmin are powerful database management tools. 1) MySQL is used to create databases and tables, and to execute DML and SQL queries. 2) phpMyAdmin provides an intuitive interface for database management, table structure management, data operations and user permission management.

Compared with other programming languages, MySQL is mainly used to store and manage data, while other languages such as Python, Java, and C are used for logical processing and application development. MySQL is known for its high performance, scalability and cross-platform support, suitable for data management needs, while other languages have advantages in their respective fields such as data analytics, enterprise applications, and system programming.

I encountered a tricky problem when developing a small application: the need to quickly integrate a lightweight database operation library. After trying multiple libraries, I found that they either have too much functionality or are not very compatible. Eventually, I found minii/db, a simplified version based on Yii2 that solved my problem perfectly.

Article summary: This article provides detailed step-by-step instructions to guide readers on how to easily install the Laravel framework. Laravel is a powerful PHP framework that speeds up the development process of web applications. This tutorial covers the installation process from system requirements to configuring databases and setting up routing. By following these steps, readers can quickly and efficiently lay a solid foundation for their Laravel project.

When developing an e-commerce website using Thelia, I encountered a tricky problem: MySQL mode is not set properly, causing some features to not function properly. After some exploration, I found a module called TheliaMySQLModesChecker, which is able to automatically fix the MySQL pattern required by Thelia, completely solving my troubles.

In MySQL, the function of foreign keys is to establish the relationship between tables and ensure the consistency and integrity of the data. Foreign keys maintain the effectiveness of data through reference integrity checks and cascading operations. Pay attention to performance optimization and avoid common errors when using them.

The main difference between MySQL and MariaDB is performance, functionality and license: 1. MySQL is developed by Oracle, and MariaDB is its fork. 2. MariaDB may perform better in high load environments. 3.MariaDB provides more storage engines and functions. 4.MySQL adopts a dual license, and MariaDB is completely open source. The existing infrastructure, performance requirements, functional requirements and license costs should be taken into account when choosing.
