6.27 上传文件

<!DOCTYPE html>
<html lang="zh">
<head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>Document</title>
</head>
<body>
    <form action="upfilechuli.php" method="post" enctype="multipart/form-data">
        <input type="file" name="upfile" id="upfile" value="" />
        <input type="submit" value="上传"/>
    </form>
</body>
</html>

<?php
  //var_dump($_FILES['upfile']);
  $name = $_FILES['upfile']['name'];
  $type = $_FILES['upfile']['type'];
  $tmp_name = $_FILES['upfile']['tmp_name'];
  $error = $_FILES['upfile']['error'];
  $size = $_FILES['upfile']['size'];
  if(!empty($name)){
      if($error==0){
          if($type=="image/jpeg"){
              if($size <=100000){
                  if(!is_dir("./upfile/")){//判断目录存在与否
                      mkdir("./upfile/");//创建目录
                  }
          
                  $time = time();
                  $path ="./upfile/".$time.$name;
                  //move_uploaded_file() 函数将上传的文件移动到新位置。
                  //move_uploaded_file(file,newloc)
                  if(move_uploaded_file($tmp_name,$path)){
                      echo "上传文件成功";
                  }else{
                      echo "上传文件失败";
                  }
              }else{
                  echo "上传文件过大";
              }
          }else{
              echo "上传文件格式不对";
          }
        }else{
              switch($error){
                  case 1:echo "上传的文件超过了 php.ini 中 upload_max_filesize 选项限制的值";
                  case 2:echo "上传文件的大小超过了 HTML 表单中 MAX_FILE_SIZE 选项指定的值";
                  case 3:echo "文件只有部分被上传";
                  case 4:echo "没有文件被上传";
              }
          }
      }
      else{
          echo "上传文件为空";
      }
 
?>
原文地址:https://www.cnblogs.com/sunhao1987/p/9235139.html