[英]I'm trying to upload a file using node and ajax but the ajax call isn't working?
I'm facing error on Upload xml and upload csv am a rookie so please can you provide me a elaborate answer I've tried debugging the code on clicking upload button till upload function is working fine on jumping to uploadxml() function the data is not sent. 我在上载xml时遇到错误,并且上载的csv是菜鸟,所以请您提供一个详尽的答案我已经尝试在单击“上载”按钮时调试代码,直到上载函数在跳转到uploadxml()函数时工作正常为止未发送。 My HTML code 我的HTML代码
<div class="file-upload">
<form id="file-upload-form">
<div class="upload">
<div class="col-lg-6">
<div class="input-group" id="one">
<input type="text" class="form-control" id="t1" placeholder="Select an xml file.." >
<span class="input-group-btn">
<button class="btn btn-default" type="button" id="xmlbtn">Browse</button>
</span>
</div>
<input type="file" accept=".xml" class="hidden" id="xmlPicker" name="xmlFile"/>
</div>
<div class="col-lg-6">
<div class="input-group" id="two">
<input type="text" class="form-control" id="t2" placeholder="Select an csv file.." >
<span class="input-group-btn">
<button class="btn btn-default" type="button" id="csvbtn">Browse</button>
</span>
</div>
<input type="file" class="hidden" accept=".csv" id="csvPicker" name="csvFile"/>
</div>
</div>
<div class="uploadfooter">
<button class="btn btn-default center" type="button" id="upload">Upload</button>
</div>
</form>
</div>
My Js 我的Js
$(document).ready(function () {
$(".ts-sidebar-menu li a").each(function () {
if ($(this).next().length > 0) {
$(this).addClass("parent");
};
})
var menux = $('.ts-sidebar-menu li a.parent');
$('<div class="more"><i class="fa fa-angle-down"></i></div>').insertBefore(menux);
$('.more').click(function () {
$(this).parent('li').toggleClass('open');
});
$('.parent').click(function (e) {
e.preventDefault();
$(this).parent('li').toggleClass('open');
});
$('.menu-btn').click(function () {
$('nav.ts-sidebar').toggleClass('menu-open');
});
$('#zctb').DataTable();
$("#input-43").fileinput({
showPreview: false,
allowedFileExtensions: ["zip", "rar", "gz", "tgz"],
elErrorContainer: "#errorBlock43"
// you can configure `msgErrorClass` and `msgInvalidFileExtension` as well
});
$("#xmlbtn").bind("click", function(){
$("#xmlPicker").trigger("click");
});
$("#xmlPicker").bind("change", function(e){
$("#t1").val($("#xmlPicker")[0].files[0].name);
})
$("#csvbtn").bind("click", function () {
$("#csvPicker").trigger("click");
});
$("#csvPicker").bind("change", function (e) {
$("#t2").val($("#csvPicker")[0].files[0].name)
})
$("#upload").on("click",function () {
var firstfile = $("#t1").val();
var secondfile = $("#t2").val();
if(!firstfile || firstfile != null){
updateXml();
}
if(!secondfile || secondfile != null){
updatecsv();
}
})
function updateXml(){
var form = $("#file-upload-form").val()
var data = new FormData(form);
$.ajax({
url: "/update",
data: data,
type: "put",
contentType: false,
processData: false,
cache: false,
success: function (response) {
console.log(response);
}
})
}
function updatecsv(){
var form = $("#file-upload-form").val()
var data = new FormData(form);
$.ajax({
url: "/update",
data: data,
type: "put",
contentType: false,
processData: false,
cache: false,
success: function (response) {
console.log(response);
}
})
}
});
This line here: 这行在这里:
var form = $("#file-upload-form").val()
A form does not have a value, its inputs have one. 表单没有值,其输入只有一个。 FormData expects a form, so you need to give it a reference to it. FormData需要一个表单,因此您需要为其提供引用。
var form = $("#file-upload-form");
var data = new FormData(form[0]); //expects a DOM form
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