Javascript Ajax加载条函数
我知道有一些关于这方面的帖子,但它们没有涵盖我需要实现的目标 我想让youtubelike加载杆正常工作 我发现:Javascript Ajax加载条函数,javascript,jquery,ajax,Javascript,Jquery,Ajax,我知道有一些关于这方面的帖子,但它们没有涵盖我需要实现的目标 我想让youtubelike加载杆正常工作 我发现: var data = []; for (var i = 0; i < 100000; i++) { var tmp = []; for (var i = 0; i < 100000; i++) { tmp[i] = 'hue'; } data[i] = tmp; }; xhr: function () {
var data = [];
for (var i = 0; i < 100000; i++) {
var tmp = [];
for (var i = 0; i < 100000; i++) {
tmp[i] = 'hue';
}
data[i] = tmp;
};
xhr: function () {
var xhr = new window.XMLHttpRequest();
var percentComplete = 0; <--------------------------added this
$('.progress').removeClass('hide');<----------------and this
xhr.upload.addEventListener("progress", function (evt) {
if (evt.lengthComputable) {
var percentComplete = evt.loaded / evt.total;
console.log(percentComplete);
$('.progress').css({
width: percentComplete * 100 + '%'
});
if (percentComplete === 1) {
$('.progress').addClass('hide');
}
}
}, false);
xhr.addEventListener("progress", function (evt) {
if (evt.lengthComputable) {
var percentComplete = evt.loaded / evt.total;
console.log(percentComplete);
$('.progress').css({
width: percentComplete * 100 + '%'
});
}
}, false);
return xhr;
}
现在,我通过将xhr:function()
的整个代码放在我的ajax调用中来实现它。但我不想每次都这么做
这是我发现的两个可行的选择,但我不能让它们按照我想要的方式工作。我试图创建一个MY\u LOADING\u BAR\u函数()
,但我得到了一个不推荐的错误
有人能告诉我怎么做吗
谢谢大家 现在回复已经晚了,但是分享一些知识是值得的,这样其他人可能会从中得到帮助 您可以如下扩展jQuery AJAX XHR对象
jQuery.ajaxSettings.xhr = function ()
{
var xhr = new window.XMLHttpRequest();
//Upload progress
xhr.upload.addEventListener("progress", function (evt) {
if (evt.lengthComputable) {
var percentComplete = evt.loaded / evt.total;
//Do something with upload progress
console.log('percent uploaded: ' + (percentComplete * 100));
}
}, false);
//Download progress
xhr.addEventListener("progress", function (evt) {
if (evt.lengthComputable) {
var percentComplete = evt.loaded / evt.total;
//Do something with download progress
console.log('percent downloaded: ' + (percentComplete * 100));
}
}, false);
return xhr;
}
比如youtube?这不是一个单一的请求。这是许多要求。首先,所有请求都应添加到“队列”中。成功后,每个请求都应该更新加载栏。为了提高质量,你可以设置每个请求的百分比权重。啊,不!这是一个向php文件发送Json数组的请求!?
$.ajaxSetup({
beforeSend: function() {
},
complete : function() {
}
});
jQuery.ajaxSettings.xhr = function ()
{
var xhr = new window.XMLHttpRequest();
//Upload progress
xhr.upload.addEventListener("progress", function (evt) {
if (evt.lengthComputable) {
var percentComplete = evt.loaded / evt.total;
//Do something with upload progress
console.log('percent uploaded: ' + (percentComplete * 100));
}
}, false);
//Download progress
xhr.addEventListener("progress", function (evt) {
if (evt.lengthComputable) {
var percentComplete = evt.loaded / evt.total;
//Do something with download progress
console.log('percent downloaded: ' + (percentComplete * 100));
}
}, false);
return xhr;
}