图片转base64编码
/*图片转换为 base64格式编码*/
$img = 'uploads/01.png';
$base64_img = base64EncodeImage($img);
echo '<img src="' . $base64_img . '" />'; function base64EncodeImage ($image_file) {
$base64_image = '';
$image_info = getimagesize($image_file);
$image_data = fread(fopen($image_file, 'r'), filesize($image_file));
$base64_image = 'data:' . $image_info['mime'] . ';base64,' . chunk_split(base64_encode($image_data));
return $base64_image;
}
base64图片转换为图片并保存
/* base64格式编码转换为图片并保存对应文件夹 */
function base64_image_content($base64_image_content,$path){
//匹配出图片的格式
if (preg_match('/^(data:\s*image\/(\w+);base64,)/', $base64_image_content, $result)){
$type = $result[2];
$new_file = $path."/".date('Ymd',time())."/";
if(!file_exists($new_file)){
//检查是否有该文件夹,如果没有就创建,并给予最高权限
mkdir($new_file, 0700);
}
$new_file = $new_file.time().".{$type}";
if (file_put_contents($new_file, base64_decode(str_replace($result[1], '', $base64_image_content)))){
return '/'.$new_file;
}else{
return false;
}
}else{
return false;
}
} echo base64_image_content($base64_img,"uploads/");