thinphp 生成带头像的小程序码
//获得二维码
public function qrcode() {
header('content-type:text/html;charset=utf-8');
//配置APPID、APPSECRET
$id=$_GET['uid'];
$APPID = C('WX_APPID');
$APPSECRET =C('WX_SECRET');
//获取access_token
$access_token = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=$APPID&secret=$APPSECRET";
//缓存access_token
session_start();
$_SESSION['access_token'] = "";
$_SESSION['expires_in'] = 0;
$ACCESS_TOKEN = "";
if(!isset($_SESSION['access_token']) || (isset($_SESSION['expires_in']) && time() > $_SESSION['expires_in'])){
$json =$this->httpRequest($access_token);
$json = json_decode($json,true);
// var_dump($json);
$_SESSION['access_token'] = $json['access_token'];
$_SESSION['expires_in'] = time()+7200;
$ACCESS_TOKEN = $json["access_token"];
}else{
$ACCESS_TOKEN = $_SESSION["access_token"];
}
$qcode = "https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token=".$ACCESS_TOKEN;
$data = array();
$data['scene'] =$id;
$data['page'] = 'pages/login/welcome';
$data['width'] = "150";
$param = json_encode($data);
//POST参数
$result = $this->httpRequest($qcode, $param,"POST");
//生成二维码
//$filename="/mnt/data/wwwroot/bzl/Qrcode/$id".".png";
$filename="./Qrcode/$id".".png";
$aa=file_put_contents($filename, $result);
if($aa){
//生成带水印的图片
$image = new \Think\Image();
//$img="https://".$_SERVER[SERVER_NAME]."/Qrcode/$id".".png";
//$imgs="/mnt/data/wwwroot/bzl/Qrcode/$id".".png";
$imgs="./Qrcode/$id".".png"; //小程序码作为背景图
//$bgm='./Public/heibeijingtu.jpg'; //
//商品图
$where['id']=$id;
$user=M('user')->field('avatarurl')->where($where)->find();
$url=$user['avatarurl']; //用户微信头像
//将头像地址保存服务器文件
$img_file = file_get_contents($url);
$img_content= base64_encode($img_file);
//$new_file="/mnt/data/wwwroot/bzl/Public/avatarurl/$id".".png";
//$new_file"./aa-"."$id".".png";
$new_file= "./Public/avatarurl/$id".".png"; //微信头像保存的位置
if (file_put_contents($new_file, base64_decode($img_content)))
{
//将头像缩放
$thumb="./Public/avatarurl/thumb-"."$id".".jpg"; //头像缩放保存位置
$image->open($new_file)->thumb(120, 120,\Think\Image::IMAGE_THUMB_FILLED)->save($thumb); //缩放头像
$res=$this->yuan_img($thumb); //生成圆形头像
$img_path="/mnt/data/wwwroot/bzl/Qrcode/circular/$id".".png";//圆形头像保存位置
$test=imagepng($res,$img_path);
$img="/mnt/data/wwwroot/bzl/Qrcode/watermark/$id".".png";//带圆形头像的二维码保存位置
$image->open($imgs)->water($img_path,\Think\Image::IMAGE_WATER_CENTER,100)->save($img);//圆形头像水印添加到二维码
$touxiang="https://".$_SERVER[SERVER_NAME]."/Qrcode/watermark/$id".".png"; //返回带头像的二维码
$touxiangs="https://".$_SERVER[SERVER_NAME]."/Qrcode/$id".".png";//返回二维码
$arr=array('msg'=>'成功','code'=>'0','img'=>$touxiang);
echo json_encode($arr,JSON_UNESCAPED_UNICODE);
}else{
$arr=array('msg'=>'成功','code'=>'0','img'=>$touxiangs);
echo json_encode($arr,JSON_UNESCAPED_UNICODE);
}
}else{
$img="";
$arr=array('msg'=>'失败','code'=>'1','img'=>$img);
echo json_encode($arr,JSON_UNESCAPED_UNICODE);
}
}
//生成圆形头像
public function yuan_img($imgpath) {
$ext = pathinfo($imgpath);
$src_img = null;
switch ($ext['extension']) {
case 'jpg':
$src_img = imagecreatefromjpeg($imgpath);
break;
case 'png':
$src_img = imagecreatefrompng($imgpath);
break;
}
$wh = getimagesize($imgpath);
$w = $wh[0];
$h = $wh[1];
$w = min($w, $h);
$h = $w;
$img = imagecreatetruecolor($w, $h);
//这一句一定要有
imagesavealpha($img, true);
//拾取一个完全透明的颜色,最后一个参数127为全透明
$bg = imagecolorallocatealpha($img, 255, 255, 255, 127);
imagefill($img, 0, 0, $bg);
$r = $w / 2; //圆半径
$y_x = $r; //圆心X坐标
$y_y = $r; //圆心Y坐标
for ($x = 0; $x < $w; $x++) {
for ($y = 0; $y < $h; $y++) {
$rgbColor = imagecolorat($src_img, $x, $y);
if (((($x - $r) * ($x - $r) + ($y - $r) * ($y - $r)) < ($r * $r))) {
imagesetpixel($img, $x, $y, $rgbColor);
}
}
}
return $img;
}
//把请求发送到微信服务器换取二维码
public function httpRequest($url, $data='', $method='GET'){
$curl = curl_init();
curl_setopt($curl, CURLOPT_URL, $url);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, 0);
curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 0);
curl_setopt($curl, CURLOPT_USERAGENT, $_SERVER['HTTP_USER_AGENT']);
curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1);
curl_setopt($curl, CURLOPT_AUTOREFERER, 1);
if($method=='POST') {
curl_setopt($curl, CURLOPT_POST, 1);
if ($data != '') {
curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
}
}
curl_setopt($curl, CURLOPT_TIMEOUT, 30);
curl_setopt($curl, CURLOPT_HEADER, 0);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
$result = curl_exec($curl);
curl_close($curl);
return $result;
}
public function curl_get($url) {
$curl = curl_init();
curl_setopt($curl, CURLOPT_URL, $url);
curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
$data = curl_exec($curl);
$err = curl_error($curl);
curl_close($curl);
return $data;
}
public function get_http_array($url,$post_data) {
$ch = curl_init();
curl_setopt($ch, CURLOPT_URL, $url);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
//curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); //没有这个会自动输出，不用print_r();也会在后面多个1
curl_setopt($ch, CURLOPT_POST, 1);
curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data);
$output = curl_exec($ch);
curl_close($ch);
$out = json_decode($output);
return $out;
}
