php的api数据接口书写实例(推荐)

以下是接口代码实例：

<?php$output = array();$a = @$_GET['a'] ? $_GET['a'] : '';$uid = @$_GET['uid'] ? $_GET['uid'] : 0;if (empty($a)) {  $output = array('data'=>NULL, 'info'=>'坑爹啊!', 'code'=>-201);  exit(json_encode($output));}//走接口if ($a == 'get_users') {  //检查用户  if ($uid == 0) {$output = array('data'=>NULL, 'info'=>'The uid is null!', 'code'=>-401);exit(json_encode($output));  }  //假设 $mysql 是数据库  $mysql = array(10001 => array(  'uid'=>10001,  'vip'=>5,  'nickname' => 'Shine X',  'email'=>'979137@qq.com',  'qq'=>979137,  'gold'=>1500,  'powerplay'=> array('2xp'=>12,'gem'=>12,'bingo'=>5,'keys'=>5,'chest'=>8),  'gems'=> array('red'=>13,'green'=>3,'blue'=>8,'yellow'=>17),  'ctime'=>1376523234,  'lastLogin'=>1377123144,  'level'=>19,  'exp'=>16758,),10002 => array(  'uid'=>10002,  'vip'=>50,  'nickname' => 'elva',  'email'=>'elva@ezhi.net',  'qq'=>NULL,  'gold'=>14320,  'powerplay'=> array('2xp'=>1,'gem'=>120,'bingo'=>51,'keys'=>5,'chest'=>8),  'gems'=> array('red'=>13,'green'=>3,'blue'=>8,'yellow'=>17),  'ctime'=>1376523234,  'lastLogin'=>1377123144,  'level'=>112,  'exp'=>167588,),10003 => array(  'uid' => 10003,  'vip' => 5,  'nickname' => 'Lily',  'email' => 'Lily@ezhi.net',  'qq' => NULL,  'gold' => 1541,  'powerplay'=> array('2xp'=>2,'gem'=>112,'bingo'=>4,'keys'=>7,'chest'=>8),  'gems' => array('red'=>13,'green'=>3,'blue'=>9,'yellow'=>7),  'ctime' => 1376523234,  'lastLogin'=> 1377123144,  'level' => 10,  'exp' => 1758,),  );  $uidArr = array(10001,10002,10003);  if (in_array($uid, $uidArr, true)) {$output = array('data' => NULL, 'info'=>'The user does not exist!', 'code' => -402);exit(json_encode($output));  }  //查询数据库  $userInfo = $mysql[$uid];  //输出数据  $output = array('data' => array(  'userInfo' => $userInfo,  'isLogin' => true,//是否首次登陆  'unread' => 4,//未读消息数量  'untask' => 3,//未完成任务), 'info' => 'Here is the message which, commonly used in popup window', //消息提示，客户端常会用此作为给弹窗信息。'code' => 200, //成功与失败的代码，一般都是正数或者负数  );  exit(json_encode($output));} elseif ($a == 'get_games_result') {  //...  die('您正在调 get_games_result 接口!');} elseif ($a == 'upload_avatars') {  //....  die('您正在调 upload_avatars 接口!');}

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