更新

app/Http/Controllers/Api/DynamicController.php

@@ -137,13 +137,13 @@ class DynamicController extends Controller
             $dynamic_zan_param = new DynamicZanParam();
             $dynamic_zan_param->user_id = $user->id;
             $dynamic_zan_param->dynamic_id = $request->id;
-            $this->dynamicService->zan($dynamic_zan_param);
+            $zan = $this->dynamicService->zan($dynamic_zan_param);
             DB::commit();
         }catch (\Exception $exception){
             DB::rollBack();
             return $this->response->errorForbidden($exception->getMessage());
         }
-        return response()->json(['message'=>"点赞成功"]);
+        return response()->json(['message'=>"点赞成功",'zan'=>$zan]);
     }
 
     /**

app/Http/Controllers/Api/HomeController.php

@@ -4,6 +4,7 @@
 namespace App\Http\Controllers\Api;
 
 
+use App\Services\GeohashService;
 use App\Services\HomeService;
 use http\Env\Response;
 use Illuminate\Http\Request;
@@ -44,6 +45,8 @@ class HomeController extends Controller
      * @return \Illuminate\Http\JsonResponse|void
      */
     public function home(Request $request){
+        $gohash = new GeohashService();
+        dd($gohash->encode('132.215333','30.154866'));
         try {
             $param['keyword'] = $request->post('keyword','');//关键词，昵称，标签
             $param['nearby'] = $request->post('nearby',1);//附近

app/Services/DynamicService.php

@@ -132,7 +132,9 @@ class DynamicService
         if(!$dynamic){
             throw new Exception("动态不存在");
         }
+        $zan = 1;
         if($dynamic_zan = DynamicZanModel::query()->where(['user_id'=>$dynamicZanParam->user_id,'dynamic_id'=>$dynamicZanParam->dynamic_id])->first()){
+            $zan = 0;
             //已点赞  取消点赞
             DynamicModel::query()->where('id',$dynamicZanParam->dynamic_id)->decrement('zan_num',1);
             $dynamic_zan->delete();
@@ -146,7 +148,7 @@ class DynamicService
                 'atime'=>date('Y-m-d H:i:s'),
             ]);
         }
-        return true;
+        return $zan;
     }
 
     //删除动态

app/Services/GeohashService.php

@@ -0,0 +1,142 @@
+<?php
+
+
+namespace App\Services;
+
+
+class GeohashService
+{
+    private $coding = "0123456789bcdefghjkmnpqrstuvwxyz";
+    private $codingMap = array();
+
+    public function Geohash() {
+        for($i = 0; $i < 32; $i++) {
+            $this->codingMap[substr($this->coding, $i, 1)] = str_pad(decbin($i), 5, "0", STR_PAD_LEFT);
+        }
+    }
+
+    public function decode($hash) {
+        $binary = "";
+        $hl = strlen($hash);
+        for($i = 0; $i < $hl; $i++) {
+            $binary .= $this->codingMap[substr($hash, $i, 1)];
+        }
+
+        $bl = strlen($binary);
+        $blat = "";
+        $blong = "";
+        for ($i = 0; $i < $bl; $i++) {
+            if ($i%2) {
+                $blat = $blat.substr($binary, $i, 1);
+            } else {
+                $blong = $blong.substr($binary, $i, 1);
+            }
+        }
+
+        $lat = $this->binDecode($blat, -90, 90);
+        $long = $this->binDecode($blong, -180, 180);
+
+        $latErr = $this->calcError(strlen($blat), -90, 90);
+        $longErr = $this->calcError(strlen($blong), -180, 180);
+
+        $latPlaces = max(1, -round(log10($latErr))) - 1;
+        $longPlaces = max(1, -round(log10($longErr))) - 1;
+
+        $lat = round($lat, $latPlaces);
+        $long = round($long, $longPlaces);
+
+        return array($lat,$long);
+    }
+
+    public function encode($lat,$long) {
+        $plat = $this->precision($lat);
+        $latbits = 1;
+        $err = 45;
+        while($err > $plat) {
+            $latbits++;
+            $err/= 2;
+        }
+
+        $plong = $this->precision($long);
+        $longbits = 1;
+        $err = 90;
+        while($err > $plong) {
+            $longbits++;
+            $err /= 2;
+        }
+        $bits = max($latbits,$longbits);
+        $longbits = $bits;
+        $latbits = $bits;
+        $addlong = 1;
+        while (($longbits+$latbits) % 5 != 0) {
+            $longbits += $addlong;
+            $latbits += !$addlong;
+            $addlong = !$addlong;
+        }
+        $blat = $this->binEncode($lat, -90, 90, $latbits);
+        $blong = $this->binEncode($long, -180, 180, $longbits);
+        $binary = "";
+        $uselong = 1;
+        while (strlen($blat)+strlen($blong)) {
+            if ($uselong) {
+                $binary = $binary.substr($blong, 0, 1);
+                $blong = substr($blong, 1);
+            } else {
+                $binary = $binary.substr($blat, 0, 1);
+                $blat = substr($blat, 1);
+            }
+            $uselong = !$uselong;
+        }
+        $hash = "";
+        for ($i = 0; $i < strlen($binary); $i += 5) {
+            $n = bindec(substr($binary, $i, 5));
+            $hash = $hash . $this->coding[$n];
+        }
+        return $hash;
+    }
+
+    private function calcError($bits, $min, $max) {
+        $err = ($max - $min) / 2;
+        while ($bits--) {
+            $err /= 2;
+        }
+        return $err;
+    }
+
+    private function precision($number) {
+        $precision = 0;
+        $pt = strpos($number,'.');
+        if ($pt!== false) {
+            $precision = -(strlen($number) - $pt - 1);
+        }
+        return pow(10, $precision) / 2;
+    }
+
+    private function binEncode($number, $min, $max, $bitcount) {
+        if ($bitcount == 0) {
+            return "";
+        }
+        $mid = ($min + $max) / 2;
+        if ($number > $mid) {
+            return "1" . $this->binEncode($number, $mid, $max, $bitcount - 1);
+        } else {
+            return "0" . $this->binEncode($number, $min, $mid, $bitcount - 1);
+        }
+    }
+
+    private function binDecode($binary, $min, $max) {
+        $mid = ($min + $max) / 2;
+
+        if (strlen($binary) == 0) {
+            return $mid;
+        }
+        $bit = substr($binary, 0, 1);
+        $binary = substr($binary, 1);
+
+        if ($bit == 1) {
+            return $this->binDecode($binary, $mid, $max);
+        } else {
+            return $this->binDecode($binary, $min, $mid);
+        }
+    }
+}

app/Services/HomeService.php

@@ -20,6 +20,9 @@ class HomeService
         $query = $query->toArray();
         foreach ($query['data'] as $k=>$v){
                 $query['data'][$k]['age'] =!empty($v['birthday'])? birthday($v['birthday']):0;
+
+                //计算距离
+                $query['data'][$k]['distance'] =  0;
         }
         return $query;
     }