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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                ### 數據清洗(將沒有位置信息的數據刪除) ~~~ DELETE FROM we_user WHERE province = '' OR city = '' DELETE FROM we_user_count WHERE lng = '' OR lat = '' ~~~ > 由于部分好友未設置地理位置信息,部分好友將地理位置信息設置成國外的,而百度地圖地理編碼服務只對國內地理位置進行地理編碼。因此將這兩種數據清除。 * * * * * ### 地理位置解析(thinkphp5調用[百度地理編碼服務](http://lbsyun.baidu.com/index.php?title=webapi/guide/webservice-geocoding)) ~~~ public function index() { $url = 'http://api.map.baidu.com/geocoder/v2/'; //請求api $ak = '2qkjnM1Bpkac4825hyth9mGzU9xAGtDt'; //appkey $location = Db::name('user')->field(['id','province','city'])->select(); foreach ($location as $item) { $province = $item['province']; $city = $item['city']; $api_url = "$url?address=$province.$city&output=json&ak=$ak&callback=showLocation"; urlencode($api_url); $res = $this->httpGet2($api_url); if ($res && !empty($res['result'])) { $res2 = Db::name('user')->where('id',$item['id'])->update([ 'lng' => $res['result']['location']['lng'], 'lat' => $res['result']['location']['lat'], ]); if ($res2) { echo '更新成功!'; } } } ~~~ * * * * * ### 部分結果如下: ![](https://box.kancloud.cn/33098721c96eec7481e615b3be70951c_827x522.png) * * * * * ### 統計不同地區出現的人次(基于[thinkphp5](http://www.thinkphp.cn/)) ~~~ //統計同一地區好友出現的次數 public function count() { $sql = "SELECT id,lng,lat,COUNT('lng') as 'count' FROM we_user GROUP BY lng"; $res = Db::query($sql); foreach ($res as $item) { $data = [ 'user_id' => $item['id'], 'lng' => $item['lng'], 'lat' => $item['lat'], 'count' => $item['count'] ]; $res = Db::name('user_count')->insert($data); if ($res) { echo "插入成功!"; } } } ~~~ * * * * * > 一點小改動:由于我的好友大多分布在隴南市和蘭州市,與其它市的數量相差較大,成圖效果不理想,因此,調整了部分市的好友數量。 [TOC]
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                              哎呀哎呀视频在线观看