huahuibao/common/components/util.php

<?php

namespace common\components;

use Yii;
use yii\helpers\Json;

class util
{
	
	//判断是否微信浏览器
	public static function isWx()
	{
		if (isset($_SERVER['HTTP_USER_AGENT']) && strpos($_SERVER['HTTP_USER_AGENT'], 'MicroMessenger') == true) {
			return true;
		}
		return false;
	}
	
	//根据两点间的经纬度计算距离
	public static function getDistance($lat1, $lng1, $lat2, $lng2)
	{
		$earthRadius = 6367000; //approximate radius of earth in meters
		
		/*
		 Convert these degrees to radians
		to work with the formula
		*/
		
		$lat1 = ($lat1 * pi()) / 180;
		$lng1 = ($lng1 * pi()) / 180;
		
		$lat2 = ($lat2 * pi()) / 180;
		$lng2 = ($lng2 * pi()) / 180;
		
		/*
		 Using the
		Haversine formula
	
		http://en.wikipedia.org/wiki/Haversine_formula
	
		calculate the distance
		*/
		
		$calcLongitude = $lng2 - $lng1;
		$calcLatitude = $lat2 - $lat1;
		$stepOne = pow(sin($calcLatitude / 2), 2) + cos($lat1) * cos($lat2) * pow(sin($calcLongitude / 2), 2);
		$stepTwo = 2 * asin(min(1, sqrt($stepOne)));
		$calculatedDistance = $earthRadius * $stepTwo;
		
		return round($calculatedDistance);
	}
	
	/**
	 * 生成缩略图
	 * @author yangzhiguo0903@163.com
	 * @param string     源图绝对完整地址{带文件名及后缀名}
	 * @param string     目标图绝对完整地址{带文件名及后缀名}
	 * @param int        缩略图宽{0:此时目标高度不能为0，目标宽度为源图宽*(目标高度/源图高)}
	 * @param int        缩略图高{0:此时目标宽度不能为0，目标高度为源图高*(目标宽度/源图宽)}
	 * @param int        是否裁切{宽,高必须非0}
	 * @param int /float  缩放{0:不缩放, 0<this<1:缩放到相应比例(此时宽高限制和裁切均失效)}
	 * @return boolean
	 */
	public static function img2thumb($src_img, $dst_img, $width = 75, $height = 75, $cut = 0, $proportion = 0)
	{
		if (!is_file($src_img)) {
			return false;
		}
		$ot = pathinfo($dst_img, PATHINFO_EXTENSION);
		$otfunc = 'image' . ($ot == 'jpg' ? 'jpeg' : $ot);
		$srcinfo = getimagesize($src_img);
		$src_w = $srcinfo[0];
		$src_h = $srcinfo[1];
		$type = strtolower(substr(image_type_to_extension($srcinfo[2]), 1));
		$createfun = 'imagecreatefrom' . ($type == 'jpg' ? 'jpeg' : $type);
		
		$dst_h = $height;
		$dst_w = $width;
		$x = $y = 0;
		
		/**
		 * 缩略图不超过源图尺寸（前提是宽或高只有一个）
		 */
		if (($width > $src_w && $height > $src_h) || ($height > $src_h && $width == 0) || ($width > $src_w && $height == 0)) {
			$proportion = 1;
		}
		if ($width > $src_w) {
			$dst_w = $width = $src_w;
		}
		if ($height > $src_h) {
			$dst_h = $height = $src_h;
		}
		
		if (!$width && !$height && !$proportion) {
			return false;
		}
		if (!$proportion) {
			if ($cut == 0) {
				if ($dst_w && $dst_h) {
					if ($dst_w / $src_w > $dst_h / $src_h) {
						$dst_w = $src_w * ($dst_h / $src_h);
						$x = 0 - ($dst_w - $width) / 2;
					} else {
						$dst_h = $src_h * ($dst_w / $src_w);
						$y = 0 - ($dst_h - $height) / 2;
					}
				} else if ($dst_w xor $dst_h) {
					if ($dst_w && !$dst_h)  //有宽无高
					{
						$propor = $dst_w / $src_w;
						$height = $dst_h = $src_h * $propor;
					} else if (!$dst_w && $dst_h)  //有高无宽
					{
						$propor = $dst_h / $src_h;
						$width = $dst_w = $src_w * $propor;
					}
				}
			} else {
				if (!$dst_h)  //裁剪时无高
				{
					$height = $dst_h = $dst_w;
				}
				if (!$dst_w)  //裁剪时无宽
				{
					$width = $dst_w = $dst_h;
				}
				$propor = min(max($dst_w / $src_w, $dst_h / $src_h), 1);
				$dst_w = (int)round($src_w * $propor);
				$dst_h = (int)round($src_h * $propor);
				$x = ($width - $dst_w) / 2;
				$y = ($height - $dst_h) / 2;
			}
		} else {
			$proportion = min($proportion, 1);
			$height = $dst_h = $src_h * $proportion;
			$width = $dst_w = $src_w * $proportion;
		}
		
		$src = $createfun($src_img);
		$dst = imagecreatetruecolor($width ? $width : $dst_w, $height ? $height : $dst_h);
		$white = imagecolorallocate($dst, 255, 255, 255);
		imagefill($dst, 0, 0, $white);
		
		if (function_exists('imagecopyresampled')) {
			imagecopyresampled($dst, $src, $x, $y, 0, 0, $dst_w, $dst_h, $src_w, $src_h);
		} else {
			imagecopyresized($dst, $src, $x, $y, 0, 0, $dst_w, $dst_h, $src_w, $src_h);
		}
		$otfunc($dst, $dst_img);
		imagedestroy($dst);
		imagedestroy($src);
		//return true;
		return ['width' => $src_w, 'height' => $src_h];//modify sofashi
	}
	
	/**
	 * 输出字符并结束运行
	 */
	public static function stop($string = '')
	{
		echo $string;
		Yii::$app->end();
	}
	
	public static function end()
	{
		Yii::$app->end();
	}
	
	/**
	 * 输出json数据并结束运行
	 */
	public static function encode($data)
	{
		echo Json::encode($data);
		exit();
	}
	
	/**
	 * 组合需要的格式，输出json数据并结束运行
	 * code A0001 正确 其它如：A0002表示错误
	 */
	public static function failInfo($msg = '操作失败', $code = 'A0002', $data = [])
	{
		$arr = ['code' => $code, 'msg' => $msg, 'data' => $data];
		self::encode($arr);
	}
	
	public static function successInfo($msg = '操作成功', $code = 'A0001', $data = [])
	{
		$arr = ['code' => $code, 'msg' => $msg, 'data' => $data];
		self::encode($arr);
	}
	
	//操作成功，只关心数据的返回
	public static function sendJson($data)
	{
		$arr = ['code' => 1, 'msg' => '操作成功', 'data' => $data];
		self::encode($arr);
	}
	
	//只关心返回失败状态
	public static function sendFail($msg)
	{
		//要输出页面
		if (isset(Yii::$app->params['exportStyle']) && Yii::$app->params['exportStyle'] == 'web') {
			//确认平台
			if (Yii::$app->params['appStyle'] == 'backend') {
				//跳转 echo '<script> window.location.href=""; </script>';
			}
			if (Yii::$app->params['appStyle'] == 'mobile') {
				//跳转 echo '<script> window.location.href=""; </script>';
			}
			Yii::$app->end();
		}
		$arr = ['code' => 0, 'msg' => $msg, 'data' => []];
		self::encode($arr);
		Yii::$app->end();
	}
	
	//只关心返回成功状态
	public static function sendSuccess()
	{
		$arr = ['code' => 1, 'msg' => '操作成功', 'data' => []];
		self::encode($arr);
	}
	
	/**
	 * 合并图片 ---lqh 2017-05-05
	 * @param $background_img  背景原图
	 * @param $inline_img  内嵌原图
	 * @return mixed  合并图的路径名称
	 */
	public static function mergeImg($background_img, $inline_img, $type = 'wx')
	{
		$app = Yii::getAlias("@app");
		$saveDir = $app . '/../images/qrcode/';
		$rand = stringUtil::buildOrderNo();
		$random = empty($unique) ? $rand : $unique . '_' . $rand;
		//背景框图
		$path_1 = $background_img;
		//二维码图片
		$path_2 = $inline_img;
		
		//将框和二维码图片分别取到两个画布中。 针对png格式
		$image_1 = imagecreatefrompng($path_1);
		$image_2 = imagecreatefrompng($path_2);
		//创建一个和框图片一样大小的真彩色画布（ps：只有这样才能保证后面copy二维码图片的时候不会失真）
		$image_3 = imageCreatetruecolor(imagesx($image_1), imagesy($image_1));
		//为真彩色画布创建白色背景，再设置为透明
		$color = imagecolorallocate($image_3, 255, 255, 255);
		imagefill($image_3, 0, 0, $color);
		imageColorTransparent($image_3, $color);
		//首先将框画布采样copy到真彩色画布中，不会失真
		imagecopyresampled($image_3, $image_1, 0, 0, 0, 0, imagesx($image_1), imagesy($image_1), imagesx($image_1), imagesy($image_1));
		//再将二维码图片copy到已经具有框图像的真彩色画布中，同样也不会失真
		//根据微信或则支付宝合并位置有所不同
		if ($type == 'wx') {
			imagecopymerge($image_3, $image_2, 220, 320, 0, 0, imagesx($image_2), imagesy($image_2), 100);
		} else {
			//支付宝
			imagecopymerge($image_3, $image_2, 450, 820, 0, 0, imagesx($image_2), imagesy($image_2), 100);
		}
		
		//将画布保存到指定的png文件
		imagepng($image_3, $saveDir . $random . '_merge.png');
		return '/qrcode/' . $random . '_merge.png';//组合图片
	}
	
	public static function mergeQrimg($backgroundImg, array $qrImg)
	{
		$app = Yii::getAlias("@app");
		$saveDir = $app . '/../images/qrcode/';
		$random = stringUtil::buildOrderNo();
		
		$dest = imagecreatefromjpeg($backgroundImg);
		
		// Get new sizes
		list($width, $height) = getimagesize($qrImg['wifi']);
		list($newwidth, $newheight) = getimagesize($qrImg['zhifubao']);
		$newwidth = $newwidth + 35;//下载的wifi二维码size太小,放大些
		$newheight = $newheight + 35;
		
		// Load
		$thumb = imagecreatetruecolor($newwidth, $newheight);
		$source = imagecreatefromjpeg($qrImg['wifi']);
		
		// Resize
		imagecopyresized($thumb, $source, 0, 0, 0, 0, $newwidth, $newheight, $width, $height);
		imagejpeg($thumb, $saveDir . "temp.jpeg");//Output image to file
		
		//微信（支付宝）二维码、WiFi二维码
		$zfbQrImg = imagecreatefrompng($qrImg['zhifubao']);
		$WXQrImg = imagecreatefrompng($qrImg['weixin']);
		$wifiQrImg = imagecreatefromjpeg($saveDir . "temp.jpeg");
		
		imagealphablending($dest, false);
		imagesavealpha($dest, true);
		imagecopymerge($dest, $zfbQrImg, 240, 538, 0, 0, imagesx($zfbQrImg), imagesy($zfbQrImg), 100);
		imagecopymerge($dest, $WXQrImg, 985, 538, 0, 0, imagesx($WXQrImg), imagesy($WXQrImg), 100);
		imagecopymerge($dest, $wifiQrImg, 1708, 520, 0, 0, imagesx($wifiQrImg), imagesy($wifiQrImg), 100);
		
		imagepng($dest, $saveDir . $random . '_fullQrImg.png');
		imagedestroy($dest);
		imagedestroy($zfbQrImg);
		imagedestroy($WXQrImg);
		imagedestroy($wifiQrImg);
		
		return '/qrcode/' . $random . '_fullQrImg.png';//组合图片
	}
	
	/*
	*功能：php完美实现下载远程图片保存到本地
	*参数：文件url,保存文件目录,保存文件名称，使用的下载方式
	*当保存文件名称为空时则使用远程文件原来的名称
	*/
	function downLoadImage($url, $save_dir = '', $filename = '', $type = 0)
	{
		if (trim($url) == '') {
			return array('file_name' => '', 'save_path' => '', 'error' => 1);
		}
		if (trim($save_dir) == '') {
			$save_dir = './';
		}
		if (trim($filename) == '') {//保存文件名
			$ext = strrchr($url, '.');
			if ($ext != '.gif' && $ext != '.jpg') {
				return array('file_name' => '', 'save_path' => '', 'error' => 3);
			}
			$filename = time() . $ext;
		}
		if (0 !== strrpos($save_dir, '/')) {
			$save_dir .= '/';
		}
		//创建保存目录
		if (!file_exists($save_dir) && !mkdir($save_dir, 0777, true)) {
			return array('file_name' => '', 'save_path' => '', 'error' => 5);
		}
		//获取远程文件所采用的方法
		if ($type) {
			$ch = curl_init();
			$timeout = 5;
			curl_setopt($ch, CURLOPT_URL, $url);
			curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
			curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, $timeout);
			$img = curl_exec($ch);
			curl_close($ch);
		} else {
			ob_start();
			readfile($url);
			$img = ob_get_contents();
			ob_end_clean();
		}
		//$size=strlen($img);
		//文件大小
		$fp2 = @fopen($save_dir . $filename, 'a');
		fwrite($fp2, $img);
		fclose($fp2);
		unset($img, $url);
		return array('file_name' => $filename, 'save_path' => $save_dir . $filename, 'error' => 0);
	}
	
	//获取服务器IP
	public static function serverIp()
	{
		if (isset($_SERVER)) {
			if ($_SERVER['SERVER_ADDR']) {
				$server_ip = $_SERVER['SERVER_ADDR'];
			} else {
				$server_ip = $_SERVER['LOCAL_ADDR'];
			}
		} else {
			$server_ip = getenv('SERVER_ADDR');
		}
		return $server_ip;
	}

	//获取huahuibao根目录 shish 2020.3.11
	public static function getRootDir()
	{
		$basePath = Yii::$app->basePath;
		if (Yii::$app->id == 'app-console') {
			$root = $basePath . "/../";
		} else {
			$root = $basePath . "/../../";
		}
		return $root;
	}
	
	//格式化输出；用于调试时使用 shish 2019.8.20
	public static function print_r($data)
	{
		echo "<pre>";
		print_r($data);
		Yii::$app->end();
	}
	
	//错误输出
	public static function fail($msg = '操作失败')
	{
		Yii::info($msg);
		self::encode(['code' => 0, 'msg' => $msg, 'data' => []]);
	}
	
	//成功输出内容
	public static function success($data, $msg = '操作成功')
	{
		self::encode(['code' => 1, 'msg' => $msg, 'data' => $data]);
	}
	
	//退出当前登陆 shish 2020.3.8
	public static function logout()
	{
		self::encode(['code' => 2, 'msg' => '当前登陆信息已失效，请重新登陆', 'data' => []]);
	}

	//只输出执行完成状态 shish 2020.3.11
	public static function complete($msg = '')
	{
		$msg = empty($msg) ? '操作成功' : $msg;
		self::encode(['code' => 1, 'msg' => $msg, 'data' => []]);
	}
	
	
	public static function notLogin()
	{
		self::encode(['code' => -1, 'msg' => '没有登陆', 'data' => []]);
	}
	
	//shisq
	public static function echoStatus($num, $key, $status = 'status')
	{
		$dictionary = \common\components\configDict::$dict[$key][$status];
		echo $dictionary[$num];
	}
	
	/**
	 * 二维数组根据字段进行排序 shisq
	 * @params array $array 需要排序的数组
	 * @params string $field 排序的字段
	 * @params string $sort 排序顺序标志 SORT_DESC 降序；SORT_ASC 升序
	 */
	public static function arraySequence($array, $field, $sort = 'SORT_DESC')
	{
		$arrSort = array();
		foreach ($array as $uniqid => $row) {
			foreach ($row as $key => $value) {
				$arrSort[$key][$uniqid] = $value;
			}
		}
		array_multisort($arrSort[$field], constant($sort), $array);
		return $array;
	}
	
}