weixin_33743703 2020-01-23 07:42 采纳率: 0%
浏览 50

$ _FILES没有值[重复]

This question already has answers here:
                </div>
            </div>
                    <div class="grid--cell mb0 mt4">
                        <a href="/questions/4545081/how-to-do-file-upload-using-jquery-serialization" dir="ltr">how to do file upload using jquery serialization</a>
                            <span class="question-originals-answer-count">
                                (8 answers)
                            </span>
                    </div>
                    <div class="grid--cell mb0 mt4">
                        <a href="/questions/2320069/jquery-ajax-file-upload" dir="ltr">jQuery Ajax File Upload</a>
                            <span class="question-originals-answer-count">
                                (24 answers)
                            </span>
                    </div>
            <div class="grid--cell mb0 mt8">Closed <span title="2020-01-23 07:51:26Z" class="relativetime">3 months ago</span>.</div>
        </div>
    </aside>

First of all, I got this enctype="multipart/form-data" in my form tag.

When I send a data as a text, it proceeds and give me data.

<input type="text" class="form-control" name="attachment">

But when I change the type as "file", it don't send a data.

<input type="file" class="form-control" name="attachment">

Here is my HTML File:

<form id="form_attachment" method="POST" enctype="multipart/form-data">
    <input type="hidden" name="employee_number" value="<?= $_GET[md5('employee_number')] ?>">

     <label class="bmd-label-floating">Choose Attachment</label>
     <input type="file" class="form-control" name="attachment">

     <label class="bmd-label-floating">Remarks</label>
     <textarea name="remarks" rows="5" class="form-control"></textarea>

     <input type="submit" id="btn_attachment" value="Insert" class="btn btn-info" style="float:right" /><br><br>
 </form>

AJAX:

$('#form_attachment').on("submit", function(e) {
    e.preventDefault();
    $.ajax({
        type: "POST",
        url: "../ajax/insert_attachment.php",
        data: $("#form_attachment").serialize(),
        beforeSend: function() {
        $('#btn_attachment').val("Updating");
    },
    success: function(response) {
        $('#form_attachment')[0].reset();
        $('#btn_attachment').val("Update");
        $('#modal_attachment').modal('hide');
        // $('#div_attachment').html(response);
        md.onboarding('bottom', 'right', response);
    }
    });
    e.preventDefault();
});

PHP:

$employee_number = $_POST['employee_number'];
$attachment = $_FILES["attachment"]["name"];
$attachment_tmp = $_FILES['attachment']['tmp_name'];
$remarks = $_POST['remarks'];

It gives me this error:

NOTICE: Undefined index: attachment in 
C:\XAMPP\HTDOCS\AJAX\INSERT_ATTACHMENT.PHP on line 6
NOTICE: Undefined index: attachment in 
C:\XAMPP\HTDOCS\AJAX\INSERT_ATTACHMENT.PHP on line 7
</div>
  • 写回答

0条回答

    报告相同问题?

    悬赏问题

    • ¥15 file converter 转换格式失败 报错 Error marking filters as finished,如何解决?
    • ¥15 ubuntu系统下挂载磁盘上执行./提示权限不够
    • ¥15 Arcgis相交分析无法绘制一个或多个图形
    • ¥15 关于#r语言#的问题:差异分析前数据准备,报错Error in data[, sampleName1] : subscript out of bounds请问怎么解决呀以下是全部代码:
    • ¥15 seatunnel-web使用SQL组件时候后台报错,无法找到表格
    • ¥15 fpga自动售货机数码管(相关搜索:数字时钟)
    • ¥15 用前端向数据库插入数据,通过debug发现数据能走到后端,但是放行之后就会提示错误
    • ¥30 3天&7天&&15天&销量如何统计同一行
    • ¥30 帮我写一段可以读取LD2450数据并计算距离的Arduino代码
    • ¥15 飞机曲面部件如机翼,壁板等具体的孔位模型