restful api 代码实例

class Request
{
//允许的请求方式
private static $method_type = array(‘get’, ‘post’, ‘put’, ‘patch’, ‘delete’);
//测试数据
private static $test_class = array(
1 => array(‘name’ => ‘托福班’, ‘count’ => 18),
2 => array(‘name’ => ‘雅思班’, ‘count’ => 20),
);

public static function getRequest()
{
//请求方式
$method = strtolower($_SERVER[‘REQUEST_METHOD’]);
if (in_array($method, self::$method_type)) {
//调用请求方式对应的方法
$data_name = $method . ‘Data’;
return self::$data_name($_REQUEST);
}
return false;
}

//GET 获取信息
private static function getData($request_data)
{
$class_id = (int)$request_data[‘class’];
//GET /class/ID：获取某个指定班的信息
if ($class_id > 0) {
return self::$test_class[$class_id];
} else {//GET /class：列出所有班级
return self::$test_class;
}
}

//POST /class：新建一个班
private static function postData($request_data)
{
if (!empty($request_data[‘name’])) {
$data[‘name’] = $request_data[‘name’];
$data[‘count’] = (int)$request_data[‘count’];
self::$test_class[] = $data;
return self::$test_class;//返回新生成的资源对象
} else {
return false;
}
}

//PUT /class/ID：更新某个指定班的信息（全部信息）
private static function putData($request_data)
{
$class_id = (int)$request_data[‘class’];
if ($class_id == 0) {
return false;
}
$data = array();
if (!empty($request_data[‘name’]) && isset($request_data[‘count’])) {
$data[‘name’] = $request_data[‘name’];
$data[‘count’] = (int)$request_data[‘count’];
self::$test_class[$class_id] = $data;
return self::$test_class;
} else {
return false;
}
}

//PATCH /class/ID：更新某个指定班的信息（部分信息）
private static function patchData($request_data)
{
$class_id = (int)$request_data[‘class’];
if ($class_id == 0) {
return false;
}
if (!empty($request_data[‘name’])) {
self::$test_class[$class_id][‘name’] = $request_data[‘name’];
}
if (isset($request_data[‘count’])) {
self::$test_class[$class_id][‘count’] = (int)$request_data[‘count’];
}
return self::$test_class;
}

//DELETE /class/ID：删除某个班
private static function deleteData($request_data)
{
$class_id = (int)$request_data[‘class’];
if ($class_id == 0) {
return false;
}
unset(self::$test_class[$class_id]);
return self::$test_class;
}
}