51Talk.教师评分|课程数|好评率|Top 5

51Talk教师评分:评价量、好评比。此脚本会在老师的名字后添加2个参数：1、教师标签评价量。2、教师的好评比率（0-100%）。正在开发中功能：增加过滤功能，高亮显示Top 5的老师。
目前为 2019-08-10 提交的版本。查看最新版本。
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// ==UserScript==
// @name         51Talk.教师评分|课程数|好评率|Top 5
// @version      0.0.14
// @namespace    tsharp.js.51talk_sort
// @description  51Talk教师评分:评价量、好评比。 此脚本会在老师的名字后添加2个参数：1、教师标签评价量。2、教师的好评比率（0-100%）。 正在开发中功能：增加过滤功能，高亮显示Top 5的老师。
// @author       jimbo
// @license      GPLv3
// @match        https://www.51talk.com/ReserveNew/index*
// @match        http://www.51talk.com/ReserveNew/index*
// @icon         https://avatars3.githubusercontent.com/u/25388328
// @grant        GM_xmlhttpRequest
// @require      http://code.jquery.com/jquery-3.4.1.min.js
// @require      https://code.jquery.com/ui/1.12.1/jquery-ui.min.js
// ==/UserScript==

(function () {
    'use strict';
    $("head").append(
        '<link '
        + 'href="https://code.jquery.com/ui/1.12.1/themes/base/jquery-ui.css" '
        + 'rel="stylesheet" type="text/css">'
    );
    function sleep(delay) {
        var start = (new Date()).getTime();
        while ((new Date()).getTime() - start < delay) {
            continue;
        }
    }
    //删除数组中的空元素
    Array.prototype.clean = function (deleteValue = "") {
        for (var i = 0; i < this.length; i++) {
            if (this[i] == deleteValue) {
                this.splice(i, 1);
                i--;
            }
        }
        return this;
    };

    function teacher_sort(a, b) {
        return b - a;
    }
    /**
     * 提交运算函数到 document 的 fx 队列
     */
    var submit = function (fun) {
        //debugger;
        var queue = $.queue(document, "fx", fun);
        if (queue[0] == 'inprogress') {
            return;
        }
        $.dequeue(document);
    };
    let num = /[0-9]*/g;
    $.each($(".item-top-cont"), function (i, item) {
        item.innerHTML = item.innerHTML.replace('<!--', '').replace('-->', '');
    });
    let i_len = $(".item").length;
    let value = [];
    var callbacks = [];
    for (let i = 0; i < i_len; i++) {
        let j_len = $($(".item")[i]).find(".label").text().match(num).clean("").length;
        value[i] = 0;
        for (let j = 0; j < j_len; j++) {
            value[i] += Number($($(".item")[i]).find(".label").text().match(num).clean("")[j]);
        }
        value[i] = Math.ceil(value[i] / 5);
        $(".teacher-name")[i].innerText += "[" + value[i] + "]";
        $($(".item")[i]).attr('label', value[i]);
        callbacks.push({ 'index': i, 'tid': $(".teacher-details-link a")[i].href.replace("https://www.51talk.com/TeacherNew/info/", "").replace('http://www.51talk.com/TeacherNew/info/', '') });
    }

    $.each(callbacks, function (index, item) {
        submit(function (next) {
            // ajax 请求一定要包含在一个函数中
            var start = (new Date()).getTime();
            $.ajax({
                url: window.location.protocol + '//www.51talk.com/TeacherNew/teacherComment?tid=' + item.tid + '&type=bad&has_msg=1',
                type: 'GET',
                dateType: 'html',
                //headers:{'Access-Control-Allow-Origin': window.location.protocol+'//www.51talk.com/TeacherNew/info/'+item.tid,'reference':window.location.protocol+'//www.51talk.com'},
                success: function (r) {
                    if ($(".evaluate-content-left span", r) && $(".evaluate-content-left span", r).length >= 3) {
                        var thumbup = Number($(".evaluate-content-left span", r)[1].innerText.match(num).clean("")[0]);
                        var thumbdown = Number($(".evaluate-content-left span", r)[2].innerText.match(num).clean("")[0]);
                        var thumbupRate = ((thumbup + 0.00001) / (thumbdown + thumbup)).toFixed(2) * 100;
                        $(".teacher-name")[index].innerText += "[" + thumbupRate + "%]";
                        $($(".item")[index]).attr('thumbup', thumbup)
                            .attr('thumbdown', thumbdown)
                            .attr('thumbupRate', thumbupRate)

                            .attr('age', $($('.teacher-age')[index]).text().match(num).clean(""));
                    } else {
                        console.log('Teacher s detail info getting error:' + JSON.stringify(item) + ",error info:" + r);
                    }
                },
                error: function (data) { console.log("xhr error when getting teacher " + JSON.stringify(item) + ",error msg:" + JSON.stringify(data)); }
            }).always(function () {
                while ((new Date()).getTime() - start < 800) {
                    continue;
                }
                next();
            });
        });
    });
    function updateUI() {
        $.each($('.item'), function (i, item) {
            var l = parseFloat($(item).attr('label'));
            var rate = parseFloat($(item).attr('thumbupRate'))
            var age = parseFloat($(item).attr('age'))
            var l1 = $("#tLabelCount").slider('values', 0);
            var l2 = $("#tLabelCount").slider('values', 1);

            var rate1 = $("#thumbupRate").slider('values', 0);
            var rate2 = $("#thumbupRate").slider('values', 1);

            var age1 = $("#tAge").slider('values', 0);
            var age2 = $("#tAge").slider('values', 1);

            if ((rate >= rate1 && rate <= rate2) && l >= l1 && l <= l2 && age >= age1 && age <= age2) {
                $(item).show();
            } else {
                $(item).hide();
            }
        });
    }
    value.sort(teacher_sort);

    submit(function (next) {
        try {
            var dialog = $("<div id='dialogs' title='Teacher Filter by Jimbo'>标签数量 <span id='_tLabelCount' /><br /><div id='tLabelCount'></div>好评率 <span id='_thumbupRate'/><br /><div id='thumbupRate'></div>年龄 <span id='_tAge' /><br /><div id='tAge'></div></div>");

             dialog.appendTo('body');
            $("#tLabelCount").slider({
                range: true,
                min: 0,
                max: value[0] + 1,
                values: [value.length > 5 ? value[value.length - 5] : 0, value[0]],
                slide: function (event, ui) {
                    $('#_tLabelCount').html(ui.values[0] + " - " + ui.values[1]);
                    updateUI();
                }
            });
            $("#thumbupRate").slider({
                range: true,
                min: 0,
                max: 100,
                values: [0, 100],
                slide: function (event, ui) {
                    $('#_thumbupRate').html(ui.values[0] + " - " + ui.values[1]);
                    updateUI();
                }
            });
            $("#tAge").slider({
                range: true,
                min: 0,
                max: 110,
                values: [0, 110],
                slide: function (event, ui) {
                    $('#_tAge').html(ui.values[0] + " - " + ui.values[1]);
                    updateUI();
                }
            });
            dialog.dialog({
                // bgiframe: true,
                resizable: true,
                //height:300,
                zIndex: 5000,
            });
        } catch (ex) {
        }
        updateUI();
        next();
    });

})();
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