PHP文件上传 - 没有文件上传错误

时间:2013-03-25 12:10:33

标签: php html forms twitter-bootstrap

我创建了一个图片上传表单,使用twitter bootstrap和jansy extention,使用下一个代码部分:

     <form action="fileName.php" method="post" enctype="multipart/form-data">
         <div class="fileupload fileupload-new" data-provides="fileupload">
          <div class="fileupload-preview thumbnail" style="width: 200px; height: 150px;"></div>
          <div>
            <span class="btn btn-file"><span class="fileupload-new">Select image</span><span class="fileupload-exists">Change</span><input type="file" name="pic" id="pic"/></span>
            <a href="#" class="btn fileupload-exists" data-dismiss="fileupload">Remove</a>
            <button type="submit" class="btn">Upload</button>
          </div>
      </form>
在fileName.php上执行以下代码:

print_r($_FILES);
if($_FILES["pic"]["error"] > 0){ /*image uploading has failed*/
        echo "Error occured ".$_FILES["pic"]["error"];  
    }
else {
    echo "image was uploaded successfully";
}

并返回下一条消息:

Array ( [pic] => Array ( [name] => [type] => [tmp_name] => [error] => 4 [size] => 0 ) ) Error occured 4

为什么文件没有上传?我怎么能解决这个问题?

感谢。

1 个答案:

答案 0 :(得分:1)

错误4表示UPLOAD_ERR_NO_FILE,因此未发布任何文件。我会说问题出在您的javascript代码或您使用的组件中。是否抛出任何JavaScript错误?

尝试一个简单的

<form action="fileName.php" method="post" enctype="multipart/form-data">
    <input type="file" name="pic"> 
</form>

看看它是否可以在没有任何JavaScript插件的情况下运行。