本文通过实例代码给大家介绍了基于php实现多图上传和单图上传功能,代码简单易懂，非常不错，具有一定的参考借鉴价值，需要的朋友可以参考下
下面一段代码给大家介绍php实现单图上传和多图上传的功能，具体代码如下所示：
/**
* 多选图片上传
*
* @version v1.0.0
* @author
* @since 17-11-24
*/
public function upload()
{
$file = $_FILES['file'];
empty($file) && $this->response(201,'请选择要上传的文件');
unset($_FILES['file']);
$count = count($file['name']); // 上传图片的数量
$count > 10 && $this->response(203,'批量上传图片一次最多上传10张图片');
$tmpFile = [];
$returnData = [];
for($i=0;$i<$count;$i++) // 循环处理图片
{
$tmpFile['name'] = $file['name'][$i];
$tmpFile['type'] = $file['type'][$i];
$tmpFile['tmp_name'] = $file['tmp_name'][$i];
$tmpFile['error'] = $file['error'][$i];
$tmpFile['size'] = $file['size'][$i];
$_FILES['file_'.$i] = $tmpFile;
// 判断是否是允许的图片类型
$ext = substr($_FILES['file_'.$i]['name'],strrpos($_FILES['file_'.$i]['name'],'.')+1); // 上传文件后缀
stripos('jpeg|png|bmp|jpg',$ext) === FALSE && $this->response(210,'图片格式支持 JPEG、PNG、BMP格式图片');
$data = $this->uploadOne('file_'.$i,'jpeg|png|bmp|jpg');
if($data['status'] == 1)
{
$this->response(500,'第'.($i+1).'张图片上传失败，'.$data['msg']);
}
$returnData[$i]['url'] = $data['url']; // 图片路径
$returnData[$i]['old_name'] = substr($tmpFile['name'],0,strrpos($tmpFile['name'], '.')); // 图片原名称
}
$this->response(200,'successful',$returnData);
}
/**
* 单文件上传
* @version v1.0.0
* @author
* @since 17-11-24
* @param $file 上传表单name名称
* @param $type 上传类型
* @param $maxSize 上传文件限制大小(默认 10M)
*/
private function uploadOne($filename = 'file',$type = 'jpeg|png|bmp|jpg',$maxSize = 10240)
{
list($width,$height) = getimagesize($_FILES[$filename]['tmp_name']); // 获取图片的宽和高
list($usec, $sec) = explode(" ", microtime());
$time = $sec.substr($usec,2); // 秒数+微秒数
$ext = substr($_FILES[$filename]['name'],strrpos($_FILES[$filename]['name'],'.')+1); // 上传文件后缀
$name = $time.'-'.$width.'*'.$height.'.'.$ext;
$filePath = $_FILES[$filename]['tmp_name'];
$type = $_FILES[$filename]['type'];
$this->load->library('Qiniu');
$returnData['url'] = $this->qiniu->upload($name,$filePath,$type);
$returnData['status'] = 0;
return $returnData;
}
