假设代码中用到的资源文件夹在当前code_png目录下：/*** 分享图片生成* @param $gData  商品数据，array* @param $codeName 二维码图片* @param $fileName string 保存文件名,默认空则直接输入图片*/
function createSharePng($gData,$codeName,$fileName = ''){//创建画布$im = imagecreatetruecolor(618, 1000);//填充画布背景色$color = imagecolorallocate($im, 255, 255, 255);imagefill($im, 0, 0, $color);//字体文件$font_file = "code_png/msyh.ttf";$font_file_bold = "code_png/msyh_bold.ttf";//设定字体的颜色$font_color_1 = ImageColorAllocate ($im, 140, 140, 140);$font_color_2 = ImageColorAllocate ($im, 28, 28, 28);$font_color_3 = ImageColorAllocate ($im, 129, 129, 129);$font_color_red = ImageColorAllocate ($im, 217, 45, 32);$fang_bg_color = ImageColorAllocate ($im, 254, 216, 217);//Logolist($l_w,$l_h) = getimagesize('code_png/logo100_100.png');$logoImg = @imagecreatefrompng('code_png/logo100_100.png');imagecopyresized($im, $logoImg, 274, 28, 0, 0, 70, 70, $l_w, $l_h);//温馨提示imagettftext($im, 14,0, 100, 130, $font_color_1 ,$font_file, '温馨提示：喜欢长按图片识别二维码即可前往购买');//商品图片list($g_w,$g_h) = getimagesize($gData['pic']);$goodImg = createImageFromFile($gData['pic']);imagecopyresized($im, $goodImg, 0, 185, 0, 0, 618, 618, $g_w, $g_h);//二维码list($code_w,$code_h) = getimagesize($codeName);$codeImg = createImageFromFile($codeName);imagecopyresized($im, $codeImg, 440, 820, 0, 0, 170, 170, $code_w, $code_h);//商品描述$theTitle = cn_row_substr($gData['title'],2,19);imagettftext($im, 14,0, 8, 845, $font_color_2 ,$font_file, $theTitle[1]);imagettftext($im, 14,0, 8, 875, $font_color_2 ,$font_file, $theTitle[2]);imagettftext($im, 14,0, 8, 935, $font_color_2 ,$font_file, "券后价￥");imagettftext($im, 28,0, 80, 935, $font_color_red ,$font_file_bold, $gData["price"]);imagettftext($im, 14,0, 8,970, $font_color_3 ,$font_file, "现价￥".$gData["original_price"]);//优惠券if($gData['coupon_price']){imagerectangle ($im, 125 , 950 , 160 , 975 , $font_color_3);imagefilledrectangle ($im, 126 , 951 , 159 , 974 , $fang_bg_color);imagettftext($im, 14,0, 135,970, $font_color_3 ,$font_file, "券");$coupon_price = strval($gData['coupon_price']);imagerectangle ($im, 160 , 950 , 198 + (strlen($coupon_price)* 10), 975 , $font_color_3);imagettftext($im, 14,0, 170,970, $font_color_3 ,$font_file, $coupon_price."元");}//输出图片if($fileName){imagepng ($im,$fileName);}else{Header("Content-Type: image/png");imagepng ($im);}//释放空间imagedestroy($im);imagedestroy($goodImg);imagedestroy($codeImg);
}/*** 从图片文件创建Image资源* @param $file 图片文件，支持url* @return bool|resource    成功返回图片image资源，失败返回false*/
function createImageFromFile($file){if(preg_match('/http(s)?:\/\//',$file)){$fileSuffix = getNetworkImgType($file);}else{$fileSuffix = pathinfo($file, PATHINFO_EXTENSION);}if(!$fileSuffix) return false;switch ($fileSuffix){case 'jpeg':$theImage = @imagecreatefromjpeg($file);break;case 'jpg':$theImage = @imagecreatefromjpeg($file);break;case 'png':$theImage = @imagecreatefrompng($file);break;case 'gif':$theImage = @imagecreatefromgif($file);break;default:$theImage = @imagecreatefromstring(file_get_contents($file));break;}return $theImage;
}/*** 获取网络图片类型* @param $url  网络图片url,支持不带后缀名url* @return bool*/
function getNetworkImgType($url){$ch = curl_init(); //初始化curlcurl_setopt($ch, CURLOPT_URL, $url); //设置需要获取的URLcurl_setopt($ch, CURLOPT_NOBODY, 1);curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 3);//设置超时curl_setopt($ch, CURLOPT_TIMEOUT, 3);curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); //支持httpscurl_exec($ch);//执行curl会话$http_code = curl_getinfo($ch);//获取curl连接资源句柄信息curl_close($ch);//关闭资源连接if ($http_code['http_code'] == 200) {$theImgType = explode('/',$http_code['content_type']);if($theImgType[0] == 'image'){return $theImgType[1];}else{return false;}}else{return false;}
}/*** 分行连续截取字符串* @param $str  需要截取的字符串,UTF-8* @param int $row  截取的行数* @param int $number   每行截取的字数，中文长度* @param bool $suffix  最后行是否添加‘...’后缀* @return array    返回数组共$row个元素，下标1到$row*/
function cn_row_substr($str,$row = 1,$number = 10,$suffix = true){$result = array();for ($r=1;$r<=$row;$r++){$result[$r] = '';}$str = trim($str);if(!$str) return $result;$theStrlen = strlen($str);//每行实际字节长度$oneRowNum = $number * 3;for($r=1;$r<=$row;$r++){if($r == $row and $theStrlen > $r * $oneRowNum and $suffix){$result[$r] = mg_cn_substr($str,$oneRowNum-6,($r-1)* $oneRowNum).'...';}else{$result[$r] = mg_cn_substr($str,$oneRowNum,($r-1)* $oneRowNum);}if($theStrlen < $r * $oneRowNum) break;}return $result;
}/*** 按字节截取utf-8字符串* 识别汉字全角符号，全角中文3个字节，半角英文1个字节* @param $str  需要切取的字符串* @param $len  截取长度[字节]* @param int $start    截取开始位置，默认0* @return string*/
function mg_cn_substr($str,$len,$start = 0){$q_str = '';$q_strlen = ($start + $len)>strlen($str) ? strlen($str) : ($start + $len);//如果start不为起始位置，若起始位置为乱码就按照UTF-8编码获取新startif($start and json_encode(substr($str,$start,1)) === false){for($a=0;$a<3;$a++){$new_start = $start + $a;$m_str = substr($str,$new_start,3);if(json_encode($m_str) !== false) {$start = $new_start;break;}}}//切取内容for($i=$start;$i<$q_strlen;$i++){//ord()函数取得substr()的第一个字符的ASCII码，如果大于0xa0的话则是中文字符if(ord(substr($str,$i,1))>0xa0){$q_str .= substr($str,$i,3);$i+=2;}else{$q_str .= substr($str,$i,1);}}return $q_str;
}//使用方法-------------------------------------------------
//数据格式，如没有优惠券coupon_price值为0。
$gData = ['pic' => 'code_png/nv_img.jpg','title' =>'chic韩版工装羽绒棉服女冬中长款2017新款棉袄大毛领收腰棉衣外套','price' => 19.8,'original_price' => 119.8,'coupon_price' => 100
];
//直接输出
createSharePng($gData,'code_png/php_code.jpg');
//输出到图片
createSharePng($gData,'code_png/php_code.jpg','share.png');