biptParser1.js

function scheduleHtmlParser(html) {
    //可使用解析dom匹配，工具内置了$，跟jquery使用方法一样，直接用就可以了，参考：https://juejin.im/post/5ea131f76fb9a03c8122d6b9
    let result = []
    let arr = $(".infolist_tab").children().children()
    for (let i = 0; i < arr.length; i++) {
        value = $(arr[i]).children()
        if (value.eq(9).text().indexOf("星期") == -1) {
            continue
        }

        let courseName = value.eq(2).children().text().trim()
        let teacher = value.eq(3).children().text().trim()
        let infoArr = value.eq(9).children().children().children()
        for (let n = 0; n < infoArr.length; n++) {
            let info = $(infoArr[n]).children()
            let infoTextArr = info.text().trim().replace(/[\r\n]/g, "").split("                    ")
            //["第1-5全周", "星期三", "第6,7节", "康404"]
            let weeks = createWeeks(infoTextArr[0])
            let week = createWeek(infoTextArr[1])
            let sections = createSections(infoTextArr[2])
            let position = infoTextArr[3].replace("（）", "")
            result.push({
                "name": courseName,
                "position": position,
                "teacher": teacher,
                "weeks": weeks,
                "day": week,
                "sections": sections,
            })
        }



    }
    console.log({ courseInfos: result })
    return { courseInfos: result }
}

function createWeek(weekStr) {
    switch (weekStr) {
        case "星期五":
            return 5;
            break;
        case "星期四":
            return 4;
            break;
        case "星期三":
            return 3;
            break;
        case "星期二":
            return 2;
            break;
        case "星期一":
            return 1;
            break;
        case "星期六":
            return 6;
            break;
        case "星期天" || "星期日":
            return 7;
            break;
        default:
            return ""
            break;
    }
}

function createWeeks(weeksStr) {
    //"第1-5全周"
    if (weeksStr.indexOf("-") == -1) {
        return [parseInt(weeksStr.replace("单", "").replace("双", "").replace("全", "").replace("第", "").replace("周", ""))]
    }
    let flag = 0 //0全周，1单周，2双周
    if (weeksStr.indexOf("单周") != -1) {
        flag = 1
    } else if (weeksStr.indexOf("双周") != -1) {
        flag = 2
    }

    let end = parseInt(getMidValue(weeksStr, "-", "周").replace("单", "").replace("双", "").replace("全", ""))

    let arr = []
    for (let i = parseInt(getMidValue(weeksStr, "第", "-")); i <= end; i++) {
        if (flag == 0) {
            arr.push(i)
        } else {
            let a = i % 2
            if (a == 0) {
                if (flag == 2) {
                    arr.push(i)
                }
            } else {
                if (flag == 1) {
                    arr.push(i)
                }
            }
        }

    }
    return arr
}

function getMidValue(str, firstStr, secondStr) {
    if (str == "" || str == null || str == undefined) { // "",null,undefined
        return "";
    }
    if (str.indexOf(firstStr) < 0) {
        return "";
    }
    var subFirstStr = str.substring(str.indexOf(firstStr) + firstStr.length, str.length);
    var subSecondStr = subFirstStr.substring(0, subFirstStr.indexOf(secondStr));
    return subSecondStr;
}

function createSections(str){
     //第1,2节
     let arr = []
     if(str.indexOf(",")==-1){
         arr.push({
            section: parseInt(str.replace("第","").replace("节",""))
        })
        return arr
    }
     let strArr = str.replace("第","").replace("节","").split(",")
     for (let i =0; i< strArr.length;i++){
        arr.push({
            section: parseInt(strArr[i])
        })
     }
     return arr
}