点击三次input按钮,前两次不选择任何文件，第三次选择一个文件，结果页面上出现了3个文件，也就是上传了3个文件

我点击input，不选择任何文件，然后取消文件选择器的窗口，然后第二次次点击input，同样不选择文件然后关闭，第三次点击input选择一个文件，结果页面上出现了三个个文件，且三个文件相同

就是说我点击三次input，前两次不选择任何文件，第三次选择一个文件上传，结果是上传了3个文件。

这是什么原因导致的，我的文件上传窗口只显示一个文件，上传窗口里面的数据和input里面的文件数是一致的

代码如下:

为什么点击三次input按钮,前两次不选择任何文件，第三次选择一个文件，结果页面上出现了3个文件，也就是上传了3个文件

function xx() {

console.log(cur_path);

var popup = $('#upload-file-dialog').addClass('fixed-upload-file-dialog');;

var popup_height = '200px';

popup.css({'height': popup_height}).data('height', popup_height);

var fu_status = $('.status', popup),

total_progress = $('.total-progress', popup),

cancel_all_btn = $('.fileupload-buttonbar .cancel', popup),

close_icon = $('.close', popup),

saving_tip = $('.saving-tip', popup);

var fu_status_ = {

'uploading': "{% trans "File Uploading..." %}",

'complete': "{% trans "File Upload complete" %}",

'canceled': "{% trans "File Upload canceled" %}",

'failed': "{% trans "File Upload failed" %}"

};

popup.fileupload({

formData: {'parent_dir': cur_path},

fileInput: $('#upload-file input'),

paramName: 'file',

// customize it for 'done'

getFilesFromResponse: function (data) {

if (data.result) {

return data.result;

}

},

autoUpload:true,

{% if max_upload_file_size %}

maxFileSize: {{ max_upload_file_size }}, // in bytes

{% endif %}

maxNumberOfFiles: 500,

sequentialUploads: true

})

.bind('fileuploadadd', function(e, data) {

//var files = e.target.files; // FileList

//for (var i = 0, f; f = files[i]; ++i) {

//console.log(files[i].webkitRelativePath);

// $("#upload-file").data("dir",files[i].webkitRelativePath)

//}

//console.log(e);

popup.removeClass('hide');

cancel_all_btn.removeClass('hide');

close_icon.addClass('hide');

})

.bind('fileuploadstart', function() {

fu_status.html(fu_status_.uploading);

})

.bind('fileuploadsubmit', function(e, data) {

if (data.files.length == 0) {

return false;

}

var file = data.files[0];

var xx = data.files[0].webkitRelativePath;

//var yy = typeof(xx);

console.log(file);

// get url(token) for every file

//if(file.error){

// console.log(file.error);

//}

//console.log(cur_path);

if (!file.error) {

$.ajax({

url: '{% url 'get_file_op_url' repo.id %}',

cache: false,

data: {

'op_type': 'upload',

'path': cur_path,

},

dataType: 'json',

success: function(ret) {

data.url = ret['url'];

data.jqXHR = popup.fileupload('send', data);

},

error: function() {

file.error = "{% trans "Failed to get upload url" %}";

}

});

return false;

}

})

.bind('fileuploadprogressall', function (e, data) {

total_progress.html(parseInt(data.loaded / data.total * 100, 10) + '% ').removeClass('hide');

//console.log(parseInt(data.loaded / data.total * 100, 10))

if (data.loaded > 0 && data.loaded == data.total) {

saving_tip.show();

}

})

.bind('fileuploadstop', function() {

//setTimeout(function() { location.reload(true); }, 1000);

})

// after tpl has rendered

.bind('fileuploadcompleted', function() { // 'done'

if ($('.files .cancel', popup).length == 0) {

saving_tip.hide();

total_progress.addClass('hide');

fu_status.html(fu_status_.complete);

}

})

.bind('fileuploadfailed', function(e, data) { // 'fail'

if ($('.files .cancel', popup).length == 0) {

cancel_all_btn.addClass('hide');

close_icon.removeClass('hide');

total_progress.addClass('hide');

saving_tip.hide();

if (data.errorThrown == 'abort') { // 'cancel'

fu_status.html(fu_status_.canceled);

} else { // 'error'

fu_status.html(fu_status_.failed);

}

}

});

// Enable iframe cross-domain access via redirect option:

popup.fileupload(

'option',

'redirect',

window.location.href.replace(/\/repo\/[-a-z0-9]{36}\/.*/, '{{ MEDIA_URL }}cors/result.html?%s')

);

};

function yy() {

console.log(cur_path);

var popup = $('#upload-file-dialog').addClass('fixed-upload-file-dialog');;

var popup_height = '200px';

popup.css({'height': popup_height}).data('height', popup_height);

var fu_status = $('.status', popup),

total_progress = $('.total-progress', popup),

cancel_all_btn = $('.fileupload-buttonbar .cancel', popup),

close_icon = $('.close', popup),

saving_tip = $('.saving-tip', popup);

var fu_status_ = {

'uploading': "{% trans "File Uploading..." %}",

'complete': "{% trans "File Upload complete" %}",

'canceled': "{% trans "File Upload canceled" %}",

'failed': "{% trans "File Upload failed" %}"

};

popup.fileupload({

//formData: {'parent_dir': cur_path},

fileInput: $('#upload-file2 input'),

paramName: 'file',

// customize it for 'done'

getFilesFromResponse: function (data) {

if (data.result) {

return data.result;

}

},

autoUpload:true,

{% if max_upload_file_size %}

maxFileSize: {{ max_upload_file_size }}, // in bytes

{% endif %}

maxNumberOfFiles: 500,

sequentialUploads: true

})

.bind('fileuploadadd', function(e, data) {

var files = e.target.files; // FileList

//for (var i = 0, f; f = files[i]; ++i) {

//console.log(files[i].webkitRelativePath);

// $("#upload-file").data("dir",files[i].webkitRelativePath)

//}

console.log(files[0]);

popup.removeClass('hide');

cancel_all_btn.removeClass('hide');

close_icon.addClass('hide');

})

.bind('fileuploadstart', function() {

fu_status.html(fu_status_.uploading);

})

.bind('fileuploadsubmit', function(e, data) {

if (data.files.length == 0) {

return false;

}

var file = data.files[0];

var uu = data.files[0].webkitRelativePath;

//var yy = typeof(uu);

console.log(file);

// get url(token) for every file

//if(file.error){

// console.log(file.error);

//}

if (!file.error) {

$.ajax({

url: '{% url 'get_file_op_url' repo.id %}',

cache: false,

data: {

'op_type': 'upload',

'path': cur_path,

'dir-structure':uu,

},

dataType: 'json',

success: function(ret) {

data.url = ret['url'];

data.formData = {parent_dir:cur_path+ret['path']}

//console.log(ret['path']);

data.jqXHR = popup.fileupload('send', data);

},

error: function() {

file.error = "{% trans "Failed to get upload url" %}";

}

});

return false;

}

})

.bind('fileuploadprogressall', function (e, data) {

total_progress.html(parseInt(data.loaded / data.total * 100, 10) + '% ').removeClass('hide');

//console.log(parseInt(data.loaded / data.total * 100, 10))

if (data.loaded > 0 && data.loaded == data.total) {

saving_tip.show();

}

})

.bind('fileuploadstop', function() {

//setTimeout(function() { location.reload(true); }, 5000);

})

// after tpl has rendered

.bind('fileuploadcompleted', function() { // 'done'

if ($('.files .cancel', popup).length == 0) {

saving_tip.hide();

total_progress.addClass('hide');

fu_status.html(fu_status_.complete);

}

})

.bind('fileuploadfailed', function(e, data) { // 'fail'

if ($('.files .cancel', popup).length == 0) {

cancel_all_btn.addClass('hide');

close_icon.removeClass('hide');

total_progress.addClass('hide');

saving_tip.hide();

if (data.errorThrown == 'abort') { // 'cancel'

fu_status.html(fu_status_.canceled);

} else { // 'error'

fu_status.html(fu_status_.failed);

}

}

});

// Enable iframe cross-domain access via redirect option:

popup.fileupload(

'option',

'redirect',

window.location.href.replace(/\/repo\/[-a-z0-9]{36}\/.*/, '{{ MEDIA_URL }}cors/result.html?%s')

);

};

$('#upload-file').click(xx);

$('#upload-file2').click(yy);

// fold/unfold the dialog

$('#upload-file-dialog .fold-switch').click(function() {

var popup = $('#upload-file-dialog');

var full_ht = parseInt(popup.data('height'));

var main_con = $('.fileupload-buttonbar, .table', popup);

if (popup.height() == full_ht) {

popup.height($('.hd', popup).outerHeight(true));

main_con.addClass('hide');

} else {

popup.height(full_ht);

main_con.removeClass('hide');

}

});

$('#upload-file-dialog .close').click(function() {

$('#upload-file-dialog').addClass('hide');

$('#upload-file-dialog .files').empty();

});

window.locale = {

"fileupload": {

"errors": {

"maxFileSize": "{% trans "File is too big" %}",

"minFileSize": "{% trans "File is too small" %}",

"acceptFileTypes": "{% trans "Filetype not allowed" %}",

"maxNumberOfFiles": "{% trans "Max number of files exceeded" %}",

"uploadedBytes": "{% trans "Uploaded bytes exceed file size" %}",

"emptyResult": "{% trans "Empty file upload result" %}"

},

"error": "{% trans "Error" %}",

"uploaded": "{% trans "uploaded" %}",

"canceled": "{% trans "canceled" %}",

"start": "{% trans "Start" %}",

"cancel": "{% trans "Cancel" %}",

"destroy": "{% trans "Delete" %}"

}

};

$(function(){

var agent = navigator.userAgent.toLowerCase();

if(agent.indexOf(' applewebkit/') == -1){

$("#upload-file2").hide()

}

});