PHP微型框架slim的安装使用
slim安装和使用初步
最简单粗暴和直接的方法——到github下载zip文件,slim github【链接】。解压之后把【1】Slim文件夹,【2】.htaccess文件和【3】index.php文件复制到www目录中。若看到以下网页说明slim安装成功。
图2 slim安装成功
4.简单的修改和测试
Slim提供完善的REST框架,支持GET、POST、PUT和Delete等方法,可以把index.php修改的更简单一些。可从以下代码中可以熟悉Slim的基本框架和使用方法。
- <?php
- /**
- * Step 1: Require the Slim Framework
- *
- * If you are not using Composer, you need to require the
- * Slim Framework and register its PSR-0 autoloader.
- *
- * If you are using Composer, you can skip this step.
- */
- require 'Slim/Slim.php';
- \Slim\Slim::registerAutoloader();
- /**
- * Step 2: Instantiate a Slim application
- *
- * This example instantiates a Slim application using
- * its default settings. However, you will usually configure
- * your Slim application now by passing an associative array
- * of setting names and values into the application constructor.
- */
- $app = new \Slim\Slim();
- /**
- * Step 3: Define the Slim application routes
- *
- * Here we define several Slim application routes that respond
- * to appropriate HTTP request methods. In this example, the second
- * argument for `Slim::get`, `Slim::post`, `Slim::put`, `Slim::patch`, and `Slim::delete`
- * is an anonymous function.
- */
- // GET route
- $app->get(
- '/',
- function () {
- echo 'Hello Slim';
- }
- );
- // POST route
- $app->post(
- '/post',
- function () {
- echo 'This is a POST route';
- }
- );
- // PUT route
- $app->put(
- '/put',
- function () {
- echo 'This is a PUT route';
- }
- );
- // PATCH route
- $app->patch('/patch', function () {
- echo 'This is a PATCH route';
- });
- // DELETE route
- $app->delete(
- '/delete',
- function () {
- echo 'This is a DELETE route';
- }
- );
- /**
- * Step 4: Run the Slim application
- *
- * This method should be called last. This executes the Slim application
- * and returns the HTTP response to the HTTP client.
- */
- $app->run();
- 此时再打开浏览器输入localhost将只能看到以下内容,其实浏览器使用get方法,在slim的Get路由中输出了Hello Slim。
- $app->post(
- '/post',
- function () {
- echo 'This is a POST route';
- }
- );
在slim中, '/post'为相对路径,该路径可支持变量。 function ()为后续的处理函数。其他HTTP方法也类似。
图3 Slim Get路由
其他类型的测试方法可借助cURL工具
【1】测试post
curl --request POST http://localhost/post
【2】测试put方法
curl --request PUT http://localhost/put
【3】测试delete
curl --request DELETE http://localhost/delete
【火狐浏览器】
如果你不喜欢使用curl工具,也可以选择火狐浏览器中的HTTPRequest工具,那么命令操作就成了愉快的GUI操作了。