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| <?php
class Response { const JSON = "json"; /** * 按综合方式输出通信数据 * @param integer $code 状态码 * @param string $message 提示信息 * @param array $data 数据 * @param string $type 数据类型 * return string */ public static function show($code, $message = '', $data = array(), $type = self::JSON) { if(!is_numeric($code)) { return ''; }
$type = isset($_GET['format']) ? $_GET['format'] : self::JSON;
$result = array( 'code' => $code, 'message' => $message, 'data' => $data, );
if($type == 'json') { self::json($code, $message, $data); exit; } elseif($type == 'array') { var_dump($result); } elseif($type == 'xml') { self::xmlEncode($code, $message, $data); exit; } else { // TODO } } /** * 按json方式输出通信数据 * @param integer $code 状态码 * @param string $message 提示信息 * @param array $data 数据 * return string */ public static function json($code, $message = '', $data = array()) { if(!is_numeric($code)) { return ''; }
$result = array( 'code' => $code, 'message' => $message, 'data' => $data );
echo json_encode($result); exit; }
/** * 按xml方式输出通信数据 * @param integer $code 状态码 * @param string $message 提示信息 * @param array $data 数据 * return string */ public static function xmlEncode($code, $message, $data = array()) { if(!is_numeric($code)) { return ''; }
$result = array( 'code' => $code, 'message' => $message, 'data' => $data, );
header("Content-Type:text/xml"); $xml = "<?xml version='1.0' encoding='UTF-8'?>\n"; $xml .= "<root>\n";
$xml .= self::xmlToEncode($result);
$xml .= "</root>"; echo $xml; }
public static function xmlToEncode($data) {
$xml = ""; foreach($data as $key => $value) { $attr = ""; if(is_numeric($key)) { $attr = " id='{$key}'"; $key = "item"; } $xml .= "<{$key}{$attr}>"; $xml .= is_array($value) ? self::xmlToEncode($value) : $value; $xml .= "</{$key}>\n"; } return $xml; }
}
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