245 lines
8.8 KiB
PHP
245 lines
8.8 KiB
PHP
<?php
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$file = 'counter.dat';
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// 读取并自增
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$counter = (int)@file_get_contents($file);
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$counter++;
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// 使用 LOCK_EX 防止并发写入冲突
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file_put_contents($file, $counter, LOCK_EX);
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?>
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<?php
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// 天气查询 API - 使用国内平台数据
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header('Content-Type: application/json; charset=utf-8');
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header('Access-Control-Allow-Origin: *');
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// 获取参数
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$city = $_GET['city'] ?? $_GET['q'] ?? null;
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$type = $_GET['type'] ?? 'json'; // json, xml
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$lang = $_GET['lang'] ?? 'zh'; // zh, en
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// 验证参数
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if (!$city) {
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http_response_code(400);
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echo json_encode([
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'status' => 'error',
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'code' => 400,
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'message' => '缺少必要参数: city (城市名称)',
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'example' => '/api/tq/?city=北京&type=json&lang=zh'
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], JSON_UNESCAPED_UNICODE);
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exit;
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}
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// 非法字符检查
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if (!preg_match('/^[\u4e00-\u9fff\w\s\-]+$/u', $city) || strlen($city) > 50) {
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http_response_code(400);
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echo json_encode([
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'status' => 'error',
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'code' => 400,
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'message' => '无效的城市名称'
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], JSON_UNESCAPED_UNICODE);
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exit;
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}
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$result = null;
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$error = null;
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// 方案1: 心知天气 API (国内数据源，优先使用)
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// 方案2: 和风天气 API (国内数据源)
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// 方案3: wttr.in (备选)
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// 尝试方案1: 心知天气 API (中国天气网数据)
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$url1 = "https://api.seniverse.com/v1/now.json?location=" . urlencode($city) . "&language=" . ($lang === 'en' ? 'en' : 'zh-Hans');
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$ch1 = curl_init();
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curl_setopt($ch1, CURLOPT_URL, $url1);
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curl_setopt($ch1, CURLOPT_RETURNTRANSFER, true);
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curl_setopt($ch1, CURLOPT_TIMEOUT, 8);
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curl_setopt($ch1, CURLOPT_USERAGENT, 'Mozilla/5.0 QuickAPI/1.0');
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curl_setopt($ch1, CURLOPT_SSL_VERIFYPEER, false);
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$response1 = curl_exec($ch1);
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$http_code1 = curl_getinfo($ch1, CURLINFO_HTTP_CODE);
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curl_close($ch1);
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if ($http_code1 == 200 && $response1) {
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$data1 = json_decode($response1, true);
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if ($data1 && isset($data1['results']) && count($data1['results']) > 0) {
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$results = $data1['results'][0];
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$location = $results['location'];
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$now = $results['now'];
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$result = [
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'status' => 'success',
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'code' => 200,
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'city' => $location['name'] ?? $city,
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'region' => $location['country'] ?? null,
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'coordinates' => [
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'latitude' => (float)$location['lat'] ?? null,
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'longitude' => (float)$location['lon'] ?? null
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],
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'current' => [
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'temperature' => (float)$now['temperature'] ?? null,
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'feels_like' => (float)$now['feels_like'] ?? null,
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'condition' => $now['text'] ?? 'Unknown',
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'condition_code' => $now['code'] ?? null,
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'wind_speed' => (float)$now['wind_speed'] ?? null,
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'wind_speed_kph' => ((float)$now['wind_speed'] * 3.6) ?? null,
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'wind_direction' => $now['wind_direction'] ?? null,
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'wind_direction_code' => $now['wind_direction_code'] ?? null,
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'humidity' => (int)$now['humidity'] ?? null,
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'visibility' => (float)$now['visibility'] ?? null,
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'pressure' => (int)$now['pressure'] ?? null
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],
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'source' => '心知天气',
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'updated_at' => date('Y-m-d H:i:s')
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];
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}
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}
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// 如果方案1失败，尝试方案2: 和风天气 API
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if (!$result) {
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$url2 = "https://devapi.qweather.com/v7/weather/now?location=" . urlencode($city) . "&lang=" . ($lang === 'en' ? 'en' : 'zh');
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$ch2 = curl_init();
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curl_setopt($ch2, CURLOPT_URL, $url2);
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curl_setopt($ch2, CURLOPT_RETURNTRANSFER, true);
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curl_setopt($ch2, CURLOPT_TIMEOUT, 8);
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curl_setopt($ch2, CURLOPT_USERAGENT, 'Mozilla/5.0 QuickAPI/1.0');
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curl_setopt($ch2, CURLOPT_SSL_VERIFYPEER, false);
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$response2 = curl_exec($ch2);
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$http_code2 = curl_getinfo($ch2, CURLINFO_HTTP_CODE);
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curl_close($ch2);
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if ($http_code2 == 200 && $response2) {
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$data2 = json_decode($response2, true);
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if ($data2 && isset($data2['now'])) {
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$now = $data2['now'];
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$result = [
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'status' => 'success',
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'code' => 200,
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'city' => $city,
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'current' => [
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'temperature' => (int)$now['temp'] ?? null,
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'feels_like' => (int)$now['feelsLike'] ?? null,
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'condition_code' => $now['icon'] ?? null,
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'condition' => $now['text'] ?? 'Unknown',
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'wind_speed' => (float)$now['windSpeed'] ?? null,
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'wind_direction' => $now['windDir'] ?? null,
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'wind_direction_code' => (int)$now['wind_degree'] ?? null,
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'humidity' => (int)$now['humidity'] ?? null,
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'pressure' => (int)$now['pressure'] ?? null,
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'visibility' => (int)$now['vis'] ?? null,
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'dew_point' => (int)$now['dewPoint'] ?? null
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],
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'source' => '和风天气',
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'updated_at' => date('Y-m-d H:i:s')
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];
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}
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}
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}
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// 如果国内方案都失败，尝试方案3: wttr.in (备选)
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if (!$result) {
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$url3 = "https://wttr.in/" . urlencode($city) . "?format=j1&lang=" . ($lang === 'en' ? 'en' : 'zh-CN');
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$ch3 = curl_init();
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curl_setopt($ch3, CURLOPT_URL, $url3);
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curl_setopt($ch3, CURLOPT_RETURNTRANSFER, true);
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curl_setopt($ch3, CURLOPT_TIMEOUT, 8);
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curl_setopt($ch3, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) QuickAPI/1.0');
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curl_setopt($ch3, CURLOPT_SSL_VERIFYPEER, false);
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curl_setopt($ch3, CURLOPT_SSL_VERIFYHOST, false);
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$response3 = curl_exec($ch3);
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$http_code3 = curl_getinfo($ch3, CURLINFO_HTTP_CODE);
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curl_close($ch3);
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if ($http_code3 == 200 && $response3) {
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$data3 = json_decode($response3, true);
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if ($data3 && isset($data3['current_condition'])) {
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$current = $data3['current_condition'][0];
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$desc = $current['desc'] ?? [];
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$result = [
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'status' => 'success',
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'code' => 200,
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'city' => $city,
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'current' => [
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'temperature' => (float)$current['temp_C'] ?? null,
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'temperature_f' => (float)$current['temp_F'] ?? null,
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'feels_like' => (float)$current['FeelsLikeC'] ?? null,
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'condition' => is_array($desc) ? ($desc[$lang === 'en' ? 'en' : 'zh-CN'] ?? $desc[0] ?? 'Unknown') : 'Unknown',
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'humidity' => (int)$current['humidity'] ?? null,
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'wind_speed' => (float)$current['windspeedKmph'] ?? null,
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'wind_speed_ms' => (float)$current['windspeedKmph'] / 3.6 ?? null,
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'wind_direction' => $current['winddir16Point'] ?? null,
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'pressure' => (int)$current['pressure'] ?? null,
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'precipitation' => (float)$current['precipMM'] ?? null,
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'visibility' => (float)$current['visibility'] ?? null,
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'uv_index' => (int)$current['uvIndex'] ?? null,
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'cloud_cover' => (int)$current['cloudcover'] ?? null
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],
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'source' => 'wttr.in',
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'updated_at' => date('Y-m-d H:i:s')
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];
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}
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}
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}
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// 返回结果
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if ($result) {
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if ($type === 'xml' || $type === 'XML') {
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header('Content-type: application/xml; charset=UTF-8');
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echo arrayToXml($result, null, null, 'weather');
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} else {
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echo json_encode($result, JSON_UNESCAPED_UNICODE | JSON_PRETTY_PRINT);
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}
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} else {
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http_response_code(500);
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echo json_encode([
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'status' => 'error',
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'code' => 500,
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'message' => $error ?? '天气服务暂时不可用',
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'tips' => '请尝试使用其他城市名称或稍后再试'
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], JSON_UNESCAPED_UNICODE);
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}
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// 数组转XML函数
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function arrayToXml($arr, $dom = null, $node = null, $root = 'root', $cdata = false) {
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if (!$dom) {
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$dom = new DOMDocument('1.0', 'utf-8');
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}
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if (!$node) {
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$node = $dom->createElement($root);
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$dom->appendChild($node);
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}
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foreach ($arr as $key => $value) {
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if (is_numeric($key)) {
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$key = 'item';
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}
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$child_node = $dom->createElement($key);
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$node->appendChild($child_node);
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if (!is_array($value)) {
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if (!$cdata) {
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$data = $dom->createTextNode((string)$value);
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} else {
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$data = $dom->createCDATASection((string)$value);
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}
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$child_node->appendChild($data);
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} else {
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arrayToXml($value, $dom, $child_node, $root, $cdata);
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}
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}
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return $dom->saveXML();
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}
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?>
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