半自动化抢 JLPT 考场

jlpt.js

var monitorSchool = ["北京语言大学", "北京大学", "北京外国语大学"]; // 填写想要的学校
var speedUp = false; // 加速与否
var notNeedConfirm = true; // 预定前是否需要确认
var defaultName = '北京语言大学';
var defaultID = 3;
var skipKDInfo = false; // 跳过 getKDInfo 直接使用默认值提交预定

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

var selectorinputChk = "#chooseaddrForm > table:nth-child(1) > tbody > tr:nth-child(2) > td.inputChk > img";
var selectorvalueChk = "#chooseaddrForm > table:nth-child(1) > tbody > tr:nth-child(2) > td.inputChk > input[type=text]:nth-child(2)";

var chkStatus = 0;
var chkImg = document.querySelector(selectorinputChk);
var chkImgCode = document.querySelector(selectorvalueChk);

var initStatus = 0;

function initChkImg() {
    if (initStatus == 0) {
        initStatus = 1;
        chkImg.height *= 3;
        chkImg.width *= 3;
        chkImg.addEventListener('load', async function(e) {
            if (chkStatus == 1) {
                await sleep(200);
                if (chkStatus == 1) {
                    chkStatus = 9;
                    chkImgCode.value = prompt('验证码');
                    if (chkImgCode.value != '') {
                        chkStatus = 0;
                    } else {
                        chkStatus = -1;
                    }
                }
            }
        }, true);
    }
}

function getChkimgAjax(c) {
    cache.redo = null;
    cache.cancel = function() {
        if (user.get("step") == "register") {
            gotoStep("agreement")
        }
    }
    ;
    var e = c;
    setChangeImgLink(e, false);
    c = $(c);
    var b = getURL("chkImg.do");
    var d = c.getElementsBySelector("input[name='chkImgCode']")[0];
    var f = c.getElementsBySelector("[name='chkImg']")[0];
    var a = user.get("chkImgFlag");
    if (!a) {
        a = generateRandomFlag(18);
        user.set("chkImgFlag", a)
    }
    new Ajax.Request(b,{
        method: "post",
        parameters: "chkImgFlag=" + a,
        requestHeaders: {
            RequestType: "ajax"
        },
        onSuccess: function(g) {
            var h = g.responseJSON;
            if (h == null) {
                g.request.options.onFailure();
                return
            }
            if (!h.retVal) {
                processError(h.errorNum);
                return
            }
            user.set("chkImgSrc", h.chkImgFilename);
            d.value = "";
            setChkimg(c);
            setChangeImgLink(e, true)
        },
        onFailure: function(g) {
            setChangeImgLink(e, true)
        }
    })
}

function processError(a) {
    var c;
    if (cache["getMsg" + a]) {
        c = cache["getMsg" + a];
        cache["getMsg" + a] = null
    }
    var b;
    if (cache["remainAction" + a]) {
        b = cache["remainAction" + a];
        cache["remainAction" + a] = null
    }
    var d;
    if (cache["getTickMsg" + a]) {
        d = cache["getTickMsg" + a];
        cache["getTickMsg" + a] = null
    }
    if (!c) {
        c = function() {
            return errorCode[a]
        }
    }
    if (layer) {
        layer.setMsg(c(a))
    }
    console.log('错误代码', a);
    if (a == 101 || a == 102 || a == 303 || a == 315 || a == 316 || a == 310) {
        if (!b) {
            b = function() {
                gotoStep("login")
            }
        }
        layer.show();
        layer.setTickMsg(1, b, d);
        return
    }
    if (a >= 200 && a <= 206 || a >= 300 && a <= 317) {
        if (!b) {
            b = function() {
                cancel()
            }
        }
        if (a == 313) chkStatus = -9; else chkStatus = -4;
        if (layer) {
            layer.hide()
        }
        b();
        return
    }
    if (!b) {
        b = dispatch
    }
    if (layer) {
        layer.show();
        chkStatus = -3;
        cancel();
    }
}

function bookseat(c, b, a) {
    c = $(c);
    var d = c.getElementsBySelector("[name='chkImgCode']")[0];
    if (checkIsInValid(checkIsNull, d, function() {
        alert("请输入验证码")
    })) {
        return
    }
    user.set("bkkd", b);
    if (!notNeedConfirm && !confirm("您所选择的考试级别为：" + LevelName[user.get("bkjb")] + "，考试地点为：" + a)) {
        return
    }
    cache.redo = function() {
        bookseat(c, b, a)
    }
    ;
    cache.cancel = null;
    if (user.get("isChangeKD") == 0) {
        new Ajax.Request(getURL("book.do"),{
            method: "post",
            requestHeaders: {
                RequestType: "ajax"
            },
            parameters: serializeUser(["bkjb", "bkkd", "ksid", "ksIdNo", "chkImgFlag", "ksLoginFlag"]) + "&chkImgCode=" + $F(d),
            onCreate: function() {
                layer.show();
                chkStatus = 3;
                layer.setTitle("定座");
                layer.setMsg("定座请求发送中...");
                layer.showLoading()
            },
            onSuccess: function(e) {
                var h = e.responseJSON;
                if (h == null) {
                    e.request.options.onFailure();
                    return
                }
                clearChkimgCache();
                if (h.retVal == 0) {
                    cache.remainAction304 = function() {
                        gotoStep("status")
                    }
                    ;
                    function i() {
                        getChkimg("chooseaddrDiv")
                    }
                    cache.remainAction305 = i;
                    cache.remainAction306 = i;
                    cache.remainAction313 = i;
                    processError(h.errorNum);
                    return
                }
                var g = getURL("queryBook.do");
                var k = serializeUser(["ksid", "ksIdNo", "ksLoginFlag"]);
                var j = 10;
                var f = function() {
                    new Ajax.Request(g,{
                        method: "post",
                        requestHeaders: {
                            RequestType: "ajax"
                        },
                        parameters: k,
                        onCreate: function() {
                            layer.setMsg("定座请求结果查询中...")
                        },
                        onSuccess: function(l) {
                            var m = l.responseJSON;
                            if (m == null) {
                                l.request.options.onFailure();
                                return
                            }
                            if (m.retVal == 0) {
                                cache.getTickMsg310 = function(o, n) {
                                    return ""
                                }
                                ;
                                cache.remainAction310 = f;
                                cache.remainAction304 = function() {
                                    gotoStep("status")
                                }
                                ;
                                processError(m.errorNum)
                            } else {
                                updateUser(m);
                                layer.setMsg("预定座位成功");
                                chkStatus = -2;
                                layer.setTickMsg(3, dispatch)
                            }
                        },
                        onFailure: function() {
                            if (--j <= 0) {
                                cache.getMsg317 = function() {
                                    return "查询错误次数过多"
                                }
                                ;
                                processError(317)
                            } else {
                                cache.getTickMsg316 = function(m, l) {
                                    return (l - m) + "秒后重试..."
                                }
                                ;
                                cache.remainAction316 = f;
                                j = 10;
                                processError(316)
                            }
                        }
                    })
                };
                f()
            },
            onFailure: function() {
                processError(100)
            }
        })
    } else {
        new Ajax.Request(getURL("changebook.do"),{
            method: "post",
            requestHeaders: {
                RequestType: "ajax"
            },
            parameters: serializeUser(["bkjb", "bkkd", "ksid", "ksIdNo", "chkImgFlag", "ksLoginFlag"]) + "&chkImgCode=" + $F(d),
            onCreate: function() {
                layer.show();
                layer.setTitle("更改考点");
                layer.setMsg("更改考点请求发送中...");
                layer.showLoading()
            },
            onSuccess: function(e) {
                var f = e.responseJSON;
                if (f == null) {
                    e.request.options.onFailure();
                    return
                }
                clearChkimgCache();
                if (f.retVal == 0) {
                    processError(f.errorNum);
                    return
                }
                layer.setMsg("更改考点成功");
                chkStatus = -2;
                layer.setTickMsg(3, dispatch)
            },
            onFailure: function() {
                processError(100)
            }
        })
    }
}

var availableSchool = [];

function getKDInfo() {
    cache.redo = getKDInfo;
    cache.cancel = null;
    new Ajax.Request("chooseAddr.do?bkjb=" + user.get("bkjb"),{
        method: "get",
        requestHeaders: {
            RequestType: "ajax"
        },
        onCreate: function() {
            layer.show();
            layer.setTitle("选择考点");
            layer.setMsg("页面载入中");
            layer.showLoading()
        },
        onSuccess: function(originalRequest) {
            var jsonObj = eval(originalRequest.responseText);
            if (jsonObj == null) {
                originalRequest.request.options.onFailure();
                return
            }
            availableSchool = jsonObj.filter(x => monitorSchool.includes(x.mc) && x.vacancy != 0);
            layer.hide();
        },
        onFailure: function(originalRequest) {
            processError(100)
        }
    })
}

var schoolName = '北京语言大学';
var schoolID = 3;

async function main() {
    initChkImg()
    chkStatus = 0;
    while (true) {

        // 验证码
        chkStatus = 1;
        getChkimgAjax('chooseaddrDiv');
        while (chkStatus == 1 || chkStatus == 9) { await sleep(10); }
        console.log('验证码', chkStatus);
        if (chkStatus == -1) break;

        // 监控是否可预订
        while (availableSchool.length == 0 && skipKDInfo == false) {
            chkStatus = 0;
            getKDInfo();
            await sleep(100);
            while (layer.visible() && chkStatus == 0) { await sleep(10); }
            if (speedUp) {
                await sleep(50);
            } else {
                await sleep(1000);
            }
        }
        if (skipKDInfo) {
            schoolID = defaultID;
            schoolName = defaultName;
        } else {
            console.log('可预订学校', availableSchool);
            schoolID = availableSchool[0].id;
            schoolName = availableSchool[0].mc;
        }

        // 预定
        chkStatus = 2;
        bookseat('chooseaddrForm',schoolID,schoolName);
        while (chkStatus == 2) { await sleep(10); }
        while (layer.visible() && chkStatus == 3) { await sleep(10); }
        console.log('预定', chkStatus);
        if (chkStatus == -2) break;
        if (chkStatus == -3) break;
        if (chkStatus == -4) continue;
        if (chkStatus == -9) {
            availableSchool = [];  // 该考场已无座位
            continue;
        }
    }
}

var selectortitle = "#kdTable > tbody > tr:nth-child(1) > th"
var title = document.querySelector(selectortitle);
var button = document.createElement("input");
button.setAttribute("type", "button");
button.setAttribute("value", "捡漏");
button.setAttribute("onclick", "main()");
title.appendChild(button);

// main();

使用方法：在网页显示「考场列表」的时候，复制代码直接丢进 Chrome 的控制台（Console）

如果想退出直接刷新网页即可。
验证码还是得手动输入，无视大小写。
修改考场的话请手动修改代码前两行。

使用前要在页面内随便划一段话……

UPD: 好像现在又不用了