ccDangJianExam/src/main/java/com/dsideal/FengHuang/Exam/Controller/ExamController.java

package com.dsideal.FengHuang.Exam.Controller;

import com.alibaba.fastjson.JSONObject;
import com.dsideal.FengHuang.Exam.Model.ExamModel;
import com.dsideal.FengHuang.Util.CommonUtil;
import com.dsideal.FengHuang.Util.CookieUtil;
import com.dsideal.FengHuang.Util.ExcelCommonUtil;
import com.dsideal.FengHuang.Util.FileUtil;
import com.jfinal.aop.Before;
import com.jfinal.core.Controller;
import com.jfinal.ext.interceptor.GET;
import com.jfinal.ext.interceptor.POST;
import com.jfinal.kit.Kv;
import com.jfinal.kit.PathKit;
import com.jfinal.kit.PropKit;
import com.jfinal.plugin.activerecord.Page;
import com.jfinal.plugin.activerecord.Record;

import java.io.File;
import java.util.List;
import java.util.UUID;

public class ExamController extends Controller {
    //实例化model
    ExamModel em = new ExamModel();

    /**
     * 功能：增加考试人员
     *
     * @param person_name
     * @param ks
     * @param tel
     */
    @Before({POST.class})
    public void addPerson(String person_name, String ks, String tel) {
        Kv kv = em.addPerson(person_name, ks, tel);
        if (kv.getBoolean("success")) {
            CookieUtil.set(getResponse(), "person_id", kv.get("person_id").toString(), false, true);
        }
        renderJson(kv);
    }

    /**
     * 功能：获取整体信息，比如有几种题型，都是啥，每种题型有几道题
     */
    @Before({GET.class})
    public void getExamInfo() {
        List<Record> list = em.getExamInfo();
        renderJson(list);
    }

    /**
     * 功能：获取指定题目的信息
     *
     * @param order_id
     */
    @Before({GET.class})
    public void getQuestion(int order_id) {
        String person_id = getCookie("person_id");
        Record record = em.getQuestion(person_id, order_id);
        renderJson(record);
    }


    /**
     * 功能：保存答题结果
     *
     * @param order_id
     * @param reply
     */
    @Before({POST.class})
    public void save(int order_id, String reply) {
        String person_id = getCookie("person_id");
        em.save(person_id, order_id, reply);
        Kv kv = Kv.by("success", true);
        kv.put("message", "保存成功！");
        renderJson(kv);
    }

    /**
     * 功能：交卷
     */
    @Before({POST.class})
    public void jiaoJuan() {
        String person_id = getCookie("person_id");
        em.jiaoJuan(person_id);
        Kv kv = Kv.by("success", true);
        kv.put("message", "保存成功！");
        renderJson(kv);
    }

    /**
     * 功能：查看自己答卷的整体情况,哪个题目答了，哪个题目没有答
     * reply为 null或空串表示未答题
     */
    @Before({GET.class})
    public void getPersonAllInfo() {
        String person_id = getCookie("person_id");
        List<Record> list = em.getPersonAllInfo(person_id);
        renderJson(list);
    }

    /**
     * 功能：获取指定题目的信息(交卷后可见)
     *
     * @param order_id
     */
    @Before({GET.class})
    public void getQuestionAfterJiaoJuan(int order_id) {
        String person_id = getCookie("person_id");
        Record record = em.getQuestionAfterJiaoJuan(person_id, order_id);
        renderJson(record);
    }

    /**
     * 功能：查看自己答卷的整体情况,哪个题目答了，哪个题目没有答(交卷后可见)
       answer = reply 正确
       answer ≠ reply 错误
       reply is null || reply == '' 未作答
     */
    @Before({GET.class})
    public void getPersonAllInfoAfterJiaoJuan() {
        String person_id = getCookie("person_id");
        List<Record> list = em.getPersonAllInfoAfterJiaoJuan(person_id);
        renderJson(list);
    }

    /********************************上面为答题人员的接口************************************/


    /********************************下面为管理人员的接口************************************/
    /**
     * 功能：删除考试人员
     *
     * @param person_id
     */
    @Before({POST.class})
    public void delPerson(String person_id) {
        em.delPerson(person_id);
        Kv kv = Kv.by("success", true);
        kv.put("message", "删除成功！");
        renderJson(kv);
    }

    /**
     * 功能：分页获取人员的答题得分情况
     *
     * @param page
     * @param limit
     */
    @Before({GET.class})
    public void getPageSummary(int page, int limit) {
        Page<Record> list = em.getPageSummary(page, limit);
        renderJson(CommonUtil.renderJsonForLayUI(list));
    }

    /**
     * 功能：导出EXCEL
     */
    @Before({GET.class})
    public void exportExcel() {
        Page<Record> list = em.getPageSummary(1, 10000);
        //模板文件
        String excelPath = PathKit.getRootClassPath() + PropKit.get("excelExportTemplatePathSuffix").replace("\\", "/");
        String filePath = excelPath + "exam.json";
        //转成 json对象
        JSONObject jo = FileUtil.readJsonFile(filePath);
        //导出
        String excelFile = excelPath + "excelTemp/" + UUID.randomUUID().toString().toUpperCase() + ".xls";
        ExcelCommonUtil.export(list, jo, excelFile);
        //提供下载
        String filename = "排名结果.xls";
        renderFile(new File(excelFile), filename);
    }
}