ConstructionCost/public/web/PerfectLoad.js

/**
 * Created by chen on 2017/10/31.
 */

jQuery.bootstrapLoading = {
    isLoading: function () {
        return $('#loadingPage').is(':visible');
    },
    start: function (options) {
        if(this.isLoading()){
            return;
        }
        var defaults = {
            opacity: 0.5,
            //loading页面透明度
           // backgroundColor: "#FFFFFF",
            //loading页面背景色
            borderColor: "#bbb",
            //提示边框颜色
            borderWidth: 1,
            //提示边框宽度
            borderStyle: "solid",
            //提示边框样式
            loadingTips: "Loading, please wait...",
            //提示文本
            TipsColor: "#fff",
            //提示颜色
            delayTime: 500,
            //页面加载完成后，加载页面渐出速度
            zindex: 999,
            //loading页面层次
            sleep: 0
            //设置挂起,等于0时则无需挂起

        }
        var options = $.extend(defaults, options);

        //获取页面宽高
        var _PageHeight = document.documentElement.clientHeight,
            _PageWidth = document.documentElement.clientWidth;

        //在页面未加载完毕之前显示的loading Html自定义内容
        //var _LoadingHtml = '<div id="loadingPage" style="position:fixed;left:0;top:0;_position: absolute;width:100%;height:' + _PageHeight + 'px;background:' + options.backgroundColor + ';opacity:' + options.opacity + ';filter:alpha(opacity=' + options.opacity * 100 + ');z-index:' + options.zindex + ';"><div id="loadingTips" style="position: absolute; cursor1: wait; width: auto;border-color:' + options.borderColor + ';border-style:' + options.borderStyle + ';border-width:' + options.borderWidth + 'px; height:80px; line-height:80px; padding-left:80px; padding-right: 5px;border-radius:10px;  background: ' + options.backgroundColor + ' url(/Content/bootstrap-loading/images/loading.gif) no-repeat 5px center; color:' + options.TipsColor + ';font-size:20px;">' + options.loadingTips + '</div></div>';
        var _LoadingHtml = '<div id="loadingPage" style="position:fixed;left:0;top:0;_position: absolute;width:100%;height:' + _PageHeight + 'px;background:' + options.backgroundColor + ';opacity:' + options.opacity + ';filter:alpha(opacity=' + options.opacity * 100 + ');z-index:' + options.zindex + ';"><div id="loadingTips" style="position: absolute; cursor1: wait; width: auto;">' +'<div class="text-green"><i class="fa fa-spinner fa-pulse fa-3x fa-fw"></i> <span class="sr-only">Loading...</span> </div> </div></div>';
        //呈现loading效果
        $("body").append(_LoadingHtml);
        //获取loading提示框宽高
        var _LoadingTipsH = document.getElementById("loadingTips").clientHeight,
            _LoadingTipsW = document.getElementById("loadingTips").clientWidth;

        //计算距离，让loading提示框保持在屏幕上下左右居中
        var _LoadingTop = _PageHeight > _LoadingTipsH ? (_PageHeight - _LoadingTipsH) / 2 : 0,
            _LoadingLeft = _PageWidth > _LoadingTipsW ? (_PageWidth - _LoadingTipsW) / 2 : 0;

        $("#loadingTips").css({
            "left": _LoadingLeft + "px",
            "top": _LoadingTop + "px"
        });

        //监听页面加载状态
        document.onreadystatechange = PageLoaded;

        //当页面加载完成后执行
        function PageLoaded() {
            if (document.readyState == "complete") {
                var loadingMask = $('#loadingPage');

                setTimeout(function () {
                        loadingMask.animate({
                                "opacity": 0
                            },
                            options.delayTime,
                            function () {
                                $(this).hide();

                            });

                    },
                    options.sleep);

            }
        }
    },
    end: function () {
        $("#loadingPage").remove();
    }
}

const SCComponent = (() => {
    /*
    * 假滚动条，0 - 80% 快， 80% - 95%很慢，95%开始停住，直到调用end方法
    * */
    const InitProgressBar = (() => {
        function ProgressBar($modal = $('#progress'), $title = $('#progress-title'),
                             $content = $('#progress-content'), $bar = $('#progressBar')) {
            this.$modal = $modal;
            this.$title = $title;
            this.$content = $content;
            this.$bar = $bar;
        }
        //显示滚动条，自动处理滚动条速度
        ProgressBar.prototype.start = function (title, content) {
            this.$title.text(title);
            this.$content.text(content);
            this.$bar.css('width', `0%`);
            this.$modal.modal('show');
            this.outer = setInterval(() => {
                let curWidth = parseInt(this.$bar[0].style.width.replace('%', ''));
                curWidth = parseInt(curWidth + 2);
                this.$bar.css('width', `${curWidth}%`);
                if (curWidth >= 80) {
                    clearInterval(this.outer);
                }
            }, 100);
            this.inner = setInterval(() => {
                let curWidth = parseFloat(this.$bar[0].style.width.replace('%', ''));
                if (curWidth >= 80) {
                    curWidth = parseFloat(curWidth + 0.1);
                    this.$bar.css('width', `${curWidth}%`);
                    if (curWidth >= 95) {
                        clearInterval(this.inner);
                    }
                }
            }, 500);
        };
        //结束显示滚动条，滚动条从当前位置滚到100% 消失
        ProgressBar.prototype.end = function () {
            if (this.outer) {
                clearInterval(this.outer);
            }
            if (this.inner) {
                clearInterval(this.inner);
            }
            $('#progressBar').css('width', '100%');
            setTimeout(() => {
                this.$modal.modal('hide');
            }, 500);
        };
        return ProgressBar;
    })();

    return {InitProgressBar}
})();