调用函数
public function base64(){$img = $this->request->param('img');$img = 'data:image/jpeg;base64,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';return $this->base64_image($img,'storage','222');}
转图片并保持到本地
public function base64_image($base64_image_content,$path,$imgname=''){/*** [将Base64图片转换为本地图片并保存]* @E-mial 332410549@qq.com* @TIME 2023-08-07* @param [Base64] $base64_image_content [要保存的Base64]* @param [目录] $path [要保存的路径]*///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($new_file, 0700);}$img = '';$img = empty($imgname) ? time() : $imgname;$new_file = $new_file.$img.".{$type}";if (file_put_contents($new_file, base64_decode(str_replace($result[1], '', $base64_image_content)))){return '/'.$new_file;}else{return false;}}else{return false;}}
#结果