使用PHP怎么查询天气预报

<?php // 请求的接口URL $apiUrl = 'http://apis.juhe.cn/simpleWeather/query'; // 请求参数 $params = [     'city' => '苏州', // 要查询的城市     'key' => '您申请的接口调用Key' ]; $paramsString = http_build_query($params);  // 发起接口网络请求 $response = juheHttpRequest($apiUrl, $paramsString , 1); $result = json_decode($response, true); if ($result) {     $errorCode = $result['error_code'];     if ($errorCode == 0) {         // 获取返回的天气相关信息，具体根据业务实际逻辑调整修改         $data = $result['result'];          // 打印当前实况天气信息         echo "当前城市：{$data["city"]}".PHP_EOL;         echo "当前温度：{$data["realtime"]["temperature"]}".PHP_EOL;         echo "当前湿度：{$data["realtime"]["humidity"]}".PHP_EOL;         echo "当前天气：{$data["realtime"]["info"]}".PHP_EOL;         echo "当前风向：{$data["realtime"]["direct"]}".PHP_EOL;         echo "当前风力：{$data["realtime"]["power"]}".PHP_EOL;         echo "当前空气质量：{$data["realtime"]["aqi"]}".PHP_EOL;      } else {         // 请求异常         echo "请求异常:{$errorCode}_{$result["reason"]}".PHP_EOL;     } } else {     // 可能网络异常等问题，无法正常获得相应内容，业务逻辑可自行修改     echo "请求异常".PHP_EOL; }  /**  * 发起网络请求函数  * @param $url 请求的URL  * @param bool $params 请求的参数内容  * @param int $ispost 是否POST请求  * @return bool|string 返回内容  */ function juheHttpRequest($url, $params = false, $ispost = 0) {     $httpInfo = array();     $ch = curl_init();      curl_setopt($ch, CURLOPT_HTTP_VERSION, CURL_HTTP_VERSION_1_1);     curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.118 Safari/537.36');     curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 3);     curl_setopt($ch, CURLOPT_TIMEOUT, 12);     curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);     if ($ispost) {         curl_setopt($ch, CURLOPT_POST, true);         curl_setopt($ch, CURLOPT_POSTFIELDS, $params);         curl_setopt($ch, CURLOPT_URL, $url);     } else {         if ($params) {             curl_setopt($ch, CURLOPT_URL, $url.'?'.$params);         } else {             curl_setopt($ch, CURLOPT_URL, $url);         }     }     $response = curl_exec($ch);     if ($response === FALSE) {         // echo "cURL Error: ".curl_error($ch);         return false;     }     $httpCode = curl_getinfo($ch, CURLINFO_HTTP_CODE);     $httpInfo = array_merge($httpInfo, curl_getinfo($ch));     curl_close($ch);     return $response; }

// 请求的接口URL $apiUrl = 'http://apis.juhe.cn/simpleWeather/life'; // 请求参数 $params = [     'city' => '苏州', // 要查询的城市     'key' => '您申请的接口调用Key' ]; $paramsString = http_build_query($params);  // 发起接口网络请求 $response = juheHttpRequest($apiUrl, $paramsString , 1); $result = json_decode($response, true); if ($result) {     $errorCode = $result['error_code'];     if ($errorCode == 0) {         // 获取返回的天气相关信息，具体根据业务实际逻辑调整修改         $data = $result['result']['life'];          // 打印当前实况天气信息         echo "空调指数：{$data['kongtiao']['v']}，{$data['kongtiao']['des']}".PHP_EOL;         echo "过敏指数：{$data['guomin']['v']}，{$data['guomin']['des']}".PHP_EOL;         echo "舒适度指数：{$data['shushidu']['v']}，{$data['shushidu']['des']}".PHP_EOL;         echo "穿衣指数：{$data['chuanyi']['v']}，{$data['chuanyi']['des']}".PHP_EOL;         echo "钓鱼指数：{$data['diaoyu']['v']}，{$data['diaoyu']['des']}".PHP_EOL;         echo "感冒指数：{$data['ganmao']['v']}，{$data['ganmao']['des']}".PHP_EOL;         echo "紫外线指数：{$data['ziwaixian']['v']}，{$data['ziwaixian']['des']}".PHP_EOL;         echo "洗车指数：{$data['xiche']['v']}，{$data['xiche']['des']}".PHP_EOL;         echo "运动指数：{$data['yundong']['v']}，{$data['yundong']['des']}".PHP_EOL;         echo "带伞指数：{$data['daisan']['v']}，{$data['daisan']['des']}".PHP_EOL;         // .......      } else {         // 请求异常         echo "请求异常:{$errorCode}_{$result["reason"]}".PHP_EOL;     } } else {     // 可能网络异常等问题，无法正常获得相应内容，业务逻辑可自行修改     echo "请求异常".PHP_EOL; }