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var loadingBar = document.querySelector(".loading-bar");
var progress = document.querySelector(".loading-bar .progress");
var timer = null;
// Pjax 开始时执行的函数
var loadingbarStart = function () {
// 进度条默认已经加载 20%
var loadingBarWidth = 20;
// 进度条的最大增加宽度
var MAX_LOADING_WIDTH = 95;
// 显示进度条
loadingBar.classList.add("loading");
// 初始化进度条的宽度
progress.style.width = loadingBarWidth + "%";
clearInterval(timer);
timer = setInterval(function () {
// 进度条的增加速度(可以改为一个随机值,显得更加真实)
loadingBarWidth += 3;
// 当进度条到达 95% 后停止增加
if (loadingBarWidth > MAX_LOADING_WIDTH) {
loadingBarWidth = MAX_LOADING_WIDTH;
}
progress.style.width = loadingBarWidth + "%";
}, 500);
};
// Pjax 完成之后执行的函数
var loadingbarStop = function () {
clearInterval(timer);
progress.style.width = "100%";
loadingBar.classList.remove("loading");
setTimeout(function () {
progress.style.width = 0;
}, 400);
};