javascript – 通过JQuery AJAX一起发送FormData和字符串数据？

如何使用FormData()发布文件和输入字符串数据？例如,我有许多其他隐藏的输入数据,我需要将它们发送到服务器,

HTML,

<form action="image.PHP" method="post" enctype="multipart/form-data">
<input type="file" name="file[]" multiple="" />
<input type="hidden" name="page_id" value="<?PHP echo $page_id;?>"/>
<input type="hidden" name="category_id" value="<?PHP echo $item_category->category_id;?>"/>
<input type="hidden" name="method" value="upload"/>
<input type="hidden" name="required[category_id]" value="Category ID"/>
</form>

使用下面的代码我只管理发送文件数据而不是隐藏的输入数据.

jQuery的,

// HTML5 form data object.
var fd = new FormData();

var file_data = object.get(0).files[i];
var other_data = $('form').serialize(); // page_id=&category_id=15&method=upload&required%5Bcategory_id%5D=Category+ID

fd.append("file", file_data);

$.ajax({
    url: 'add.PHP',
    data: fd,
    contentType: false,
    processData: false,
    type: 'POST',
    success: function(data){
        alert(data);
    }
});

server.PHP

print_r($_FILES);
print_r($_POST);

结果,

Array
(
    [file] => Array
        (
            [name] => xxx.doc
            [type] => application/msword
            [tmp_name] => C:\wamp\tmp\PHP7C24.tmp
            [error] => 0
            [size] => 11776
        )

)

我想把这个作为我的结果,

Array
(
    [file] => Array
        (
            [name] => xxx.doc
            [type] => application/msword
            [tmp_name] => C:\wamp\tmp\PHP7C24.tmp
            [error] => 0
            [size] => 11776
        )

)

Array
(
    [page_id] => 1000
    [category_id] => 12
    [method] => upload
    ...
)

可能吗？

解决方法:

    var fd = new FormData();
    var file_data = $('input[type="file"]')[0].files; // for multiple files
    for(var i = 0;i<file_data.length;i++){
        fd.append("file_"+i, file_data[i]);
    }
    var other_data = $('form').serializeArray();
    $.each(other_data,function(key,input){
        fd.append(input.name,input.value);
    });
    $.ajax({
        url: 'test.PHP',
        data: fd,
        contentType: false,
        processData: false,
        type: 'POST',
        success: function(data){
            console.log(data);
        }
    });

添加了一个for循环,并将.serialize()更改为.serializeArray(),以便在.each()中引用对象以附加到FormData.