PHP生成json和xml类型接口数据格式

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/**

* 生成接口数据格式

*/

class Response{

/**

* [show 按综合方式输出数据]

* @param [int] $code [状态码]

* @param [string] $message [提示信息]

* @param array $data [数据]

* @param [string] $type [类型]

* @return [string] [返回值]

*/

public static function show($code, $message, $data = array(),$type = ''){

if(!is_numeric($code)){

return '';

}

$result = array(

'code' => $code,

'message' => $message,

'data' => $data

);

if($type == 'json'){

return self::json($code, $message, $data);

}elseif($type == 'xml'){

return self::xml($code, $message, $data);

}else{

//TODO

}

}

/**

* [json 按json方式输出数据]

* @param [int] $code [状态码]

* @param [string] $message [提示信息]

* @param [array] $data [数据]

* @return [string] [返回值]

*/

public static function json($code, $message, $data = array()){

if(!is_numeric($code)){

return '';

}

$result = array(

'code' => $code,

'message' => $message,

'data' => $data

);

$result = json_encode($result);

return $result;

}

/**

* [xml 按xml格式生成数据]

* @param [int] $code [状态码]

* @param [string] $message [提示信息]

* @param array $data [数据]

* @return [string] [返回值]

*/

public static function xml($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";

$xml .= self::xmlToEncode($data);

$xml .= "</root>";

return $xml;

}

public static function xmlToEncode($data){

$xml = '';

foreach($data as $key => $value){

if(is_numeric($key)){

$attr = "id='{$key}'";

$key = "item";

}

$xml .= "<{$key} {$attr}>\n";

$xml .= is_array($value) ? self::xmlToEncode($value) : "{$value}\n";

$xml .= "</{$key}>\n";

}

return $xml;

}

}

//测试

$grade = array("score" => array(70, 95, 70.0, 60, "70"), "name" => array("Zhang San", "Li Si", "Wang Wu", "Zhao Liu", "TianQi"));

$response = new Response();

$result = $response :: show(200,'success',$grade,'json');

print_r($result);