app = $app;
}
/**
* 静态实例对象
* @param array $args
* @return static
*/
public static function instance(...$args): JsonRpcServer
{
return Container::getInstance()->make(static::class, $args);
}
/**
* 设置监听对象
* @param mixed $object
*/
public function handle($object)
{
// Checks if a JSON-RCP request has been received
if ($this->app->request->method() !== "POST" || $this->app->request->contentType() !== 'application/json') {
$this->printMethod($object);
} else {
// Reads the input data
$request = json_decode(file_get_contents('php://input'), true);
if (empty($request)) {
$error = ['code' => '-32700', 'message' => '语法解析错误', 'meaning' => '服务端接收到无效的JSON'];
$response = ['jsonrpc' => '2.0', 'id' => $request['id'], 'result' => null, 'error' => $error];
} elseif (!isset($request['id']) || !isset($request['method']) || !isset($request['params'])) {
$error = ['code' => '-32600', 'message' => '无效的请求', 'meaning' => '发送的JSON不是一个有效的请求对象'];
$response = ['jsonrpc' => '2.0', 'id' => $request['id'], 'result' => null, 'error' => $error];
} else try {
// Executes the task on local object
if (method_exists($object, $request['method'])) {
$result = call_user_func_array([$object, $request['method']], $request['params']);
$response = ['jsonrpc' => '2.0', 'id' => $request['id'], 'result' => $result, 'error' => null];
} else {
$error = ['code' => '-32601', 'message' => '找不到方法', 'meaning' => '该方法不存在或无效'];
$response = ['jsonrpc' => '2.0', 'id' => $request['id'], 'result' => null, 'error' => $error];
}
} catch (\Exception $exception) {
$error = ['code' => $exception->getCode(), 'message' => $exception->getMessage()];
$response = ['jsonrpc' => '2.0', 'id' => $request['id'], 'result' => null, 'error' => $error];
}
// Output the response
throw new HttpResponseException(json($response)->contentType('text/javascript'));
}
}
/**
* 打印输出对象方法
* @param mixed $object
*/
protected function printMethod($object)
{
try {
$object = new \ReflectionClass($object);
echo "" . $object->getName() . "
";
foreach ($object->getMethods(\ReflectionMethod::IS_PUBLIC) as $method) {
$params = [];
foreach ($method->getParameters() as $parameter) {
$type = $parameter->getType();
$params[] = ($type ? "{$type} $" : '$') . $parameter->getName();
}
$params = count($params) > 0 ? join(', ', $params) : '';
echo '' . nl2br($method->getDocComment() ?: '') . '
';
echo "{$object->getShortName()}::{$method->getName()}({$params})
";
}
} catch (\Exception $exception) {
echo "[{$exception->getCode()}] {$exception->getMessage()}
";
}
}
}