/**
*计算某个经纬度的周围某段距离的正方形的四个点
*
*@param lng float 经度
*@param lat float 纬度
*@param distance float 该点所在圆的半径，该圆与此正方形内切，默认值为0.5千米
*@return array 正方形的四个点的经纬度坐标
用法
使用此函数计算得到结果后，带入sql查询。
$squares = returnSquarePoint($lng, $lat);
*/
private function returnSquarePoint($lng, $lat,$distance = 1){
$dlng = 2 * asin(sin($distance / (2 * EARTH_RADIUS)) / cos(deg2rad($lat)));
$dlng = rad2deg($dlng);
$dlat = $distance/EARTH_RADIUS;
$dlat = rad2deg($dlat);
return array(
‘left-top‘=>array(‘lat‘=>$lat + $dlat,‘lng‘=>$lng-$dlng),
‘right-top‘=>array(‘lat‘=>$lat + $dlat, ‘lng‘=>$lng + $dlng),
‘left-bottom‘=>array(‘lat‘=>$lat - $dlat, ‘lng‘=>$lng - $dlng),
‘right-bottom‘=>array(‘lat‘=>$lat - $dlat, ‘lng‘=>$lng + $dlng)
);
}
//获取2点之间的距离
private function GetDistance($lat1, $lng1, $lat2, $lng2){
$radLat1 = $lat1 * (PI / 180);
$radLat2 = $lat2 * (PI / 180);
$a = $radLat1 - $radLat2;
$b = ($lng1 * (PI / 180)) - ($lng2 * (PI / 180));
$s = 2 * asin(sqrt(pow(sin($a/2),2) + cos($radLat1)*cos($radLat2)*pow(sin($b/2),2)));
$s = $s * EARTH_RADIUS;
$s = round($s * 10000) / 1000;//10000
return $s;
}
//每一次电工打开app会想我传一个坐标位置 用户查看附近的电工时会根据这个经纬度查看附近的电工
public function ssdg(){
$only_label = I(‘only_label‘);
$lat = I(‘lat‘);
$longs = I(‘longs‘);
if($lat == "" || $longs == ""){// || $id == ""
$this->json(‘10003‘,‘参数缺少‘);
}
$res = M("user")->where("only_label = ‘$only_label‘")->find();
if($res){
$datainfo[‘lat‘] = $lat;
$datainfo[‘longs‘] = $longs;
M("user")->where("only_label = ‘$only_label‘")->save($datainfo);
$this->json(‘10001‘);
}else{
$this->json(‘10009‘,‘没有这个电工的id‘);
}
}
//用户查看电工的
public function yhcdg(){
//纬度
$lat = I(‘lat‘);
//经度
$longs = I(‘longs‘);
if($lat == "" || $longs == ""){
$this->json(‘10003‘,‘参数缺少‘);
}
$squares = $this->returnSquarePoint($longs, $lat);
$arr_info = M("user_address")
->where("(lat > {$squares[‘right-bottom‘][‘lat‘]} and lat < {$squares[‘left-top‘][‘lat‘]})
and (longs > {$squares[‘left-top‘][‘lng‘]} and longs < {$squares[‘right-bottom‘][‘lng‘]})")
->select();
foreach ($arr_info as $k=>$v){
$arr_info[$k][‘juli‘] = $this->GetDistance($lat, $longs, $v[‘lat‘], $v[‘longs‘]);
}
$skill_label = M("skill")->select();
//dump($skill_label);die;
foreach($skill_label as $key => $val){
$skl[$val[‘id‘]] = $val[‘name‘];
}
//dump($skl);die;
foreach ($arr_info as $key => $val){
if($val[‘skill_label‘] == ‘‘){
$arr_info[$key][‘skill_label‘] = ‘***‘;
} else {
$label = explode(‘,‘, $val[‘skill_label‘]);
foreach($label as $key => $val){
$data1[$val[‘id‘]] = $skl[$val];
}
foreach ($arr_info as $k=>$v){
$arr_info[$k][‘skill_label‘] = implode(‘,‘,$data1);
}
}
}
foreach($arr_info as $key=> $val){
$f_id = $val[‘uid‘];
$wan = M("order")->where("f_id=‘$f_id‘ and statics=‘11‘")->count();//完成总数
$zcment_sum = M("order_comment")->where("f_id=‘$f_id‘")->sum("zcment");//求和
$zcment_num = M("order_comment")->where("f_id=‘$f_id‘")->count();//总数
$zcment = $zcment_sum/$zcment_num;//综合评价
if($zcment){
$arr_info[$key][‘zcment‘] = $zcment;
} else {
$arr_info[$key][‘zcment‘] = ‘***‘;
}
$arr_info[$key][‘dan‘] = $wan;
}
//dump($arr_info);die;
$this->json(10001,array("data"=>$arr_info));
}
//电工首页
public function dgshouye(){
//用户id
$uid = I("uid");
//纬度
$lat = I(‘lat‘);
//经度
$longs = I(‘longs‘);
if($lat == ""){
//纬度为空
$this->json(‘10003‘,‘参数缺少‘);
}
if($longs == ""){
//经度为空
$this->json(‘10003‘,‘参数缺少‘);
}
if($uid == ‘‘){
//用户为空
$this->json(‘10003‘,‘参数缺少‘);
}
//获取附近0.5千米的所有订单
$squares = $this->returnSquarePoint($longs, $lat);
$res = M("order_offer")->where("uid=‘$uid‘")->find();
if($res){
$o_id = $res[‘o_id‘];
//返回的电工坐标附近1千米的所有订单
$arr_info = M("user_address d")
->join("dian_order o on d.id = o.address_id")
->field("*,o.id o_id")
->where("(d.lat > {$squares[‘right-bottom‘][‘lat‘]} and
d.lat < {$squares[‘left-top‘][‘lat‘]}) and
(d.longs > {$squares[‘left-top‘][‘lng‘]} and
d.longs < {$squares[‘right-bottom‘][‘lng‘]}) and o.id!=‘$o_id‘ and o.statics=1")//and 0.f_id == ‘‘
->select();
} else {
//返回的电工坐标附近1千米的所有订单
$arr_info = M("user_address d")
->join("dian_order o on d.id = o.address_id")
->field("*,o.id o_id")
->where("(d.lat > {$squares[‘right-bottom‘][‘lat‘]} and
d.lat < {$squares[‘left-top‘][‘lat‘]}) and
(d.longs > {$squares[‘left-top‘][‘lng‘]} and
d.longs < {$squares[‘right-bottom‘][‘lng‘]}) and o.statics=1 ")//and 0.f_id == ‘‘
->select();
}
$this->json(10001,array("info"=>$arr_info));
}