使用Thinkphp框架开发移动端接口

<?php
/**
 * created by zhangkx
 * email: zkx520tnhb@163.com
 * date: 2015/8/1
 * time: 23:15
 */
 
/*************************** api开发辅助函数 **********************/
 
/**
 * @param null $msg  返回正确的提示信息
 * @param flag success curd 操作成功
 * @param array $data 具体返回信息
 * function descript: 返回带参数，标志信息，提示信息的json 数组
 *
 */
function returnapisuccess($msg = null,$data = array()){
  $result = array(
    'flag' => 'success',
    'msg' => $msg,
    'data' =>$data
  );
  print json_encode($result);
}
 
/**
 * @param null $msg  返回具体错误的提示信息
 * @param flag success curd 操作失败
 * function descript:返回标志信息 ‘error'，和提示信息的json 数组
 */
function returnapierror($msg = null){
  $result = array(
    'flag' => 'error',
    'msg' => $msg,
  );
  print json_encode($result);
}
 
/**
 * @param null $msg  返回具体错误的提示信息
 * @param flag success curd 操作失败
 * function descript:返回标志信息 ‘error'，和提示信息，当前系统繁忙，请稍后重试；
 */
function returnapierrorexample(){
  $result = array(
    'flag' => 'error',
    'msg' => '当前系统繁忙，请稍后重试！',
  );
  print json_encode($result);
}
 
/**
 * @param null $data
 * @return array|mixed|null
 * function descript: 过滤post提交的参数；
 *
 */
 
 function checkdatapost($data = null){
  if(!empty($data)){
    $data = explode(',',$data);
    foreach($data as $k=>$v){
      if((!isset($_post[$k]))||(empty($_post[$k]))){
        if($_post[$k]!==0 && $_post[$k]!=='0'){
          returnapierror($k.'值为空！');
        }
      }
    }
    unset($data);
    $data = i('post.');
    unset($data['_url_'],$data['token']);
    return $data;
  }
}
 
/**
 * @param null $data
 * @return array|mixed|null
 * function descript: 过滤get提交的参数；
 *
 */
function checkdataget($data = null){
  if(!empty($data)){
    $data = explode(',',$data);
    foreach($data as $k=>$v){
      if((!isset($_get[$k]))||(empty($_get[$k]))){
        if($_get[$k]!==0 && $_get[$k]!=='0'){
          returnapierror($k.'值为空！');
        }
      }
    }
    unset($data);
    $data = i('get.');
    unset($data['_url_'],$data['token']);
    return $data;
  }
}

/**
  * 发布模块
  * 
  * 获取信息单个果品详细信息
  *
  */
  public function getmyreleaseinfo(){
    //检查是否通过post方法得到数据
    checkdatapost('id');
    $where['id'] = $_post['id'];
    $field[] = 'id,fruit_name,high_price,low_price,address,size,weight,fruit_pic,remark';
    $releaseinfo = $this->release_obj->findrelease($where,$field);
    $releaseinfo['remark'] = mb_substr($releaseinfo['remark'],0,49,'utf-8').'...';
    //多张图地址按逗号截取字符串，截取后如果存在空数组则需要过滤掉
    $releaseinfo['fruit_pic'] = array_filter(explode(',', $releaseinfo['fruit_pic']));
    $fruit_pic = $releaseinfo['fruit_pic'];unset($releaseinfo['fruit_pic']);
    //为图片添加存储路径
    foreach($fruit_pic as $k=>$v ){
      $releaseinfo['fruit_pic'][] = 'http://'.$_server['http_host'].'/uploads/release/'.$v;
    }
    if($releaseinfo){
      returnapisuccess('',$releaseinfo);
    }else{
      returnapierror( '什么也没查到(+_+)！');
    }
  }

/**
  * 查询一条数据
  */
  public function findrelease($where,$field){
    if($where['status'] == '' || empty($where['status'])){
      $where['status'] = array('neq','9');
    }
    $result = $this->where($where)->field($field)->find();
    return $result;
  }

{
  "flag": "success",
  "message": "",
  "responselist": {
    "id": "2",
    "fruit_name": "苹果",
    "high_price": "8.0",
    "low_price": "5.0",
    "address": "天津小白楼水果市场",
    "size": "2.0",
    "weight": "2.0",
    "remark": "急需...",
    "fruit_pic": [
      "http://fruit.txunda.com/uploads/release/201508/55599e7514815.png",
      "http://fruit.txunda.com/uploads/release/201508/554f2dc45b526.jpg"
    ]
  }
}

function ismobile() {
  // 如果有http_x_wap_profile则一定是移动设备
  if (isset ($_server['http_x_wap_profile']))
    return true;
  
  //此条摘自tpm智能切换模板引擎，适合tpm开发
  if(isset ($_server['http_client']) &&'phoneclient'==$_server['http_client'])
    return true;
  //如果via信息含有wap则一定是移动设备,部分服务商会屏蔽该信息
  if (isset ($_server['http_via']))
    //找不到为flase,否则为true
    return stristr($_server['http_via'], 'wap') ? true : false;
  //判断手机发送的客户端标志,兼容性有待提高
  if (isset ($_server['http_user_agent'])) {
    $clientkeywords = array(
      'nokia','sony','ericsson','mot','samsung','htc','sgh','lg','sharp','sie-','philips','panasonic','alcatel','lenovo','iphone','ipod','blackberry','meizu','android','netfront','symbian','ucweb','windowsce','palm','operamini','operamobi','openwave','nexusone','cldc','midp','wap','mobile'
    );
    //从http_user_agent中查找手机浏览器的关键字
    if (preg_match("/(" . implode('|', $clientkeywords) . ")/i", strtolower($_server['http_user_agent']))) {
      return true;
    }
  }
  //协议法，因为有可能不准确，放到最后判断
  if (isset ($_server['http_accept'])) {
    // 如果只支持wml并且不支持html那一定是移动设备
    // 如果支持wml和html但是wml在html之前则是移动设备
    if ((strpos($_server['http_accept'], 'vnd.wap.wml') !== false) && (strpos($_server['http_accept'], 'text/html') === false || (strpos($_server['http_accept'], 'vnd.wap.wml') < strpos($_server['http_accept'], 'text/html')))) {
      return true;
    }
  }
  return false;
 }

class commonaction extends action{
  public function _initialize(){
    //移动设备浏览，则切换模板
    if (ismobile()) {
      //设置默认默认主题为 mobile
      c('default_theme','mobile');
    }
    //............你的更多代码.......
  }
 }