方正教务系统自动评价

autoComments.js

/*
 * @FileName autoComments.js
 * @Description 河北师范大学内网学生师德师风评教自动评价(方正教务系统)
 * @Version 1.0.0
 * @Author Forgo7ten
 * @Date 2020/12/20
 */
var good_btn_classname = "radio-inline input-xspj input-xspj-1";
var better_btn_classname = "radio-inline input-xspj input-xspj-2";
var comment_element_id = "DF16FA9E24666431E0539A01A8C0A321_py";
var submit_button_id = "btn_xspj_tj";

function sleep(time) {
    return new Promise((resolve) => setTimeout(resolve, time));
}

async function autoComments() {
    console.log("当前处于第" + currentPage + "页");
    var list = document.getElementsByClassName("ui-widget-content jqgrow ui-row-ltr");
    for (var i = 0; i < list.length; i++) {
        await checkPage();
        async function checkPage() { // 检查当前页，因为如果不是第一页的话，提交后会刷新到第一页
            currentP = nextPage.parentElement.children[3].children[0].value;
            if (currentPage != currentP) {
                nextPage.click();
                await sleep(2000);
            }
        }
        if (list.length == 0) {
            console.log("没有获取到课程列表，退出");
            return -1;
        }
        if (list[i].children[7].innerHTML == "提交") {
            console.log("【" + list[i].children[8].innerHTML + "】评价已经提交，跳过该课程");
            await sleep(100);
            continue; // 如果已经评价过，跳过评价
        }
        // 依次进入每个课程的评价
        list[i].click();
        await sleep(1000);
        /*
         * 由于方正系统限制不能全部选择【好】选项，采用先用好覆盖len次，然后用较好1次
         * 以此来达到 len-1 个好，一个较好的目的；
         * 不会改，先这样吧
         */
        await good();

        async function good() {
            var good = document.getElementsByClassName(good_btn_classname);
            for (var j = 0; j < good.length; j++) {
                var but = good[j].firstElementChild;
                but.click();
                await sleep(100);
            }
        }
        await sleep(500);
        await better();
        async function better() {
            var better = document.getElementsByClassName(better_btn_classname);
            betterLen = better.length;
            for (var j = betterLen - 1; j >= betterLen - 1; j--) { // 感觉最后一个选项对老师影响较小，将其改成【较好】
                var but = better[j].firstElementChild;
                but.click();
                await sleep(100);
            }
        }
        await sleep(1000);
        // 填写评语：老师很棒
        var comment = document.getElementById(comment_element_id);
        // await keyboardInput(comment, "老师很棒！！！");

        function keyboardInput(dom, st) {
            var evt = new InputEvent('input', {
                inputType: 'insertText',
                data: st,
                dataTransfer: null,
                isComposing: false
            });
            dom.value = st;
            dom.dispatchEvent(evt);
        };
        await sleep(500);
        // 点击按钮提交评价
        var submit_button = document.getElementById(submit_button_id);
        // 作弊判断
        $('#btn_xspj_tj').data("enter","1");
        submit_button.click();
        await sleep(2000);
        // 提示信息：提交成功 点击确定按钮
        var a = document.getElementById("btn_ok");
        a.click();
        await sleep(1000);
        console.log("【" + list[i].children[8].innerHTML + "】评价已经提交");
    }
}

async function start() {
    // 获取下一页按钮控件
    nextPage = document.getElementById("next_pager");
    // 获取总页数
    var pageNum = nextPage.parentElement.children[3].children[1].innerHTML;
    while (true) {
        // 获取当前页码
        currentPage = nextPage.parentElement.children[3].children[0].value;
        await autoComments();
        // 如果最后一页执行完毕，退出程序
        if (currentPage == pageNum) {
            console.log("已执行完最后一页，退出程序。");
            break;
        }
        nextPage.click();
        console.log("当前页已评价完，进入下一页");
        await sleep(2000);
    }
}

start();