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application/admin/controller/Mp.php

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+<?php
+// +---
+namespace app\admin\controller;
+use  think\Db;
+
+use app\admin\logic\MpLogic;
+use yx\admin\builderClass;
+
+class Mp extends AdminBase
+{
+    
+    public function index(){
+        $where = [
+            ['lng','<>',''],
+             ['lat','<>',''],
+            ['onwork','=',1]    
+        ];
+        $u = Db::name('staff')->field('name,id,lng,lat,lnglat,mobile')->where($where)->select();
+        // var_dump($u);
+          $this->assign('u', json_encode($u));
+        return $this->fetch();
+    }
+    
+    
+    public function map_user(){
+        $input = input();
+        if(empty($input['lng'])){
+            return json(['code'=>0,'msg'=>'lng empty']);
+        }
+        if(empty($input['lat'])){
+            return json(['code'=>0,'msg'=>'lat empty']);
+        }
+        $where = [
+            ['lng','<>',''],
+             ['lat','<>',''],
+            ['onwork','=',1]    
+        ];
+        $list = Db::name('staff')->field('name,id,lng,lat,lnglat,mobile')->where($where)->select();
+        
+         // 函数：将数组转换为 LatLng 对象数组
+        function convertToLatLngArray($coordArray) {
+             $latLngArray = [];
+            for ($i = 0; $i < count($coordArray); $i += 2) {
+                $lat = floatval($coordArray[$i]);
+                $lng = floatval($coordArray[$i + 1]);
+                $latLngArray[] = [$lng,$lat];
+            }
+            return $latLngArray;
+        }
+        
+        $u = [];
+         foreach($list as $item=>$k){ 
+                //获取用户的范围
+                if( !$list[$item]['lnglat']){
+                     unset($list[$item]);
+                     continue;
+                }
+                $points = convertToLatLngArray(explode(',',$list[$item]['lnglat']));
+            // //   var_dump($points);
+              
+                
+                if(!$this->is_ptin_poly($input['lng'],$input['lat'],$points)){
+                    unset($list[$item]);
+                     continue;
+                }
+                $u[] = $k;
+         }
+         
+         $this->_success('获取数据成功',$u);
+    }
+    
+    //是否再范围内
+    public function is_ptin_poly($aLon, $aLat, $pointList = array())
+    {
+        $iSum = 0;
+        $iCount = count($pointList);
+        if ($iCount < 3) {
+            return false;
+        }
+        foreach ($pointList as $key => $row) {
+            $pLon1 = $row[0];
+            $pLat1 = $row[1];
+            if ($key === $iCount - 1) {
+                $pLon2 = $pointList[0][0];
+                $pLat2 = $pointList[0][1];
+            } else {
+                $pLon2 = $pointList[$key + 1][0];
+                $pLat2 = $pointList[$key + 1][1];
+            }
+            if ((($aLat >= $pLat1) && ($aLat < $pLat2)) || (($aLat >= $pLat2) && ($aLat < $pLat1))) {
+                if (abs($pLat1 - $pLat2) > 0) {
+                    $pLon = $pLon1 - (($pLon1 - $pLon2) * ($pLat1 - $aLat)) / ($pLat1 - $pLat2);
+                    if ($pLon < $aLon) {
+                        $iSum += 1;
+                    }
+                }
+            }
+        }
+        if ($iSum % 2 != 0) {
+            return true;
+        } else {
+            return false;
+        }
+    }
+    
+    
+
+}