java 导出word试题_word07writer

## 引包POM

  <!-- https://mvnrepository.com/artifact/cn.hutool/hutool-all -->
        <dependency>
            <groupId>cn.hutool</groupId>
            <artifactId>hutool-all</artifactId>
            <version>4.6.1</version>
        </dependency>

        <!-- https://mvnrepository.com/artifact/org.apache.poi/poi -->
        <dependency>
            <groupId>org.apache.poi</groupId>
            <artifactId>poi</artifactId>
            <version>4.1.2</version>
        </dependency>

        <!--说明 hutool-4.x的poi-ooxml 版本需高于 3.17（别问我3.8版本为啥不行，
因为3.17 > 3.8 ） hutool-5.x的poi-ooxml 版本需高于 4.1.2 xercesImpl版本高于2.12.0-->
        <dependency>
            <groupId>org.apache.poi</groupId>
            <artifactId>poi-ooxml</artifactId>
            <version>4.1.2</version>
        </dependency>

## ***

 - SpringBoot代码

***

/**
     * 查看考试详情
     * @return
     */
    @ApiOperation(value = "查找详情")
    @GetMapping("/test")
    public void test(HttpServletResponse response) throws IOException {
        word(null,response);
    }

    public void word(String paperId,HttpServletResponse response) throws IOException {
        paperId = "1579415877126451201";
        Word07Writer word07Writer = new Word07Writer();

        // 1、得到当前试卷信息
        Exam exam = baseService.getById("1572158462936948737");
        // 1.1 保存试卷名称
        word07Writer.addText(ParagraphAlignment.CENTER,new Font("方正小标宋简体", Font.PLAIN, 22), "试卷名称：" + exam.getTitle());
        // 查找题目列表
        List<com.yf.exam.modules.paper.dto.PaperQuDTO> list = paperQuService.listByPaper(paperId);
        // 添加段落（正文）
        word07Writer.addText(new Font("宋体", Font.PLAIN, 10), "一、单选题（共50题，每题1.00分）");
        List<com.yf.exam.modules.paper.dto.PaperQuDTO> radioList = list.stream().filter(item-> com.yf.exam.modules.qu.enums.QuType.RADIO.equals(item.getQuType())).collect(Collectors.toList());
        List<com.yf.exam.modules.paper.dto.PaperQuDTO> multiList = list.stream().filter(item-> com.yf.exam.modules.qu.enums.QuType.MULTI.equals(item.getQuType())).collect(Collectors.toList());
        List<com.yf.exam.modules.paper.dto.PaperQuDTO> judgeList = list.stream().filter(item-> com.yf.exam.modules.qu.enums.QuType.JUDGE.equals(item.getQuType())).collect(Collectors.toList());
        getWordType(paperId, word07Writer, radioList);
        word07Writer.addText(new Font("宋体", Font.PLAIN, 15), "二、多选题（共30题，每题1.00分）");
        getWordType(paperId, word07Writer, multiList);
        word07Writer.addText(new Font("宋体", Font.PLAIN, 15), "三、判断题（共20题，每题1.00分）");
        getWordType(paperId, word07Writer, judgeList);
        response.setContentType("application/msword");
        // 告诉浏览器，当前响应数据要求用户干预保存到文件中，以及文件名是什么 如果文件名有中文，必须URL编码
        response.setHeader( "Content-Disposition", "attachment;filename=" + URLEncoder.encode(String.valueOf(Math.round(Math.random() * 100)), "UTF-8"));
        response.setCharacterEncoding("utf-8");

        ServletOutputStream outputStream = response.getOutputStream();
        // 写出到文件（试卷名称.docx）
//        word07Writer.flush(FileUtil.file("C:\\Users\\detong\\Desktop\\" + Math.round(Math.random() * 100) + exam.getTitle() + ".docx"));
        word07Writer.flush(outputStream);
        // 关闭
        word07Writer.close();

    }

    private void getWordType(String paperId, Word07Writer word07Writer, List<com.yf.exam.modules.paper.dto.PaperQuDTO> list) {
        // 得到当前试卷的题目列表
        Integer count = 1;
        // 题目列表用
        for (com.yf.exam.modules.paper.dto.PaperQuDTO paperQuDTO : list) {

            // 3 得到当前题目信息
            Qu question = quService.getById(paperQuDTO.getQuId());
            //获取附件信息
            SysAttachment sysAttachment = new SysAttachment();
            sysAttachment.setBusinessId(question.getId());
            iSysAttachmentService.selectSysAttachmentList(sysAttachment);
            // 答案列表
            // 4、保存到文件中：格式为（ 2. 多选题测试（20分））
            word07Writer.addText(new Font("宋体", Font.PLAIN, 15),
                    (count++) + ". " + question.getContent() + "（" + (paperQuDTO.getScore()) + "分）");
            // 5、得到每个题目的选项列表
            List<PaperQuAnswerExtDTO> quAnswerDTOList = paperQuAnswerService.listForExam(paperId, paperQuDTO.getQuId());
            // 6、答案和解析
            StringBuilder answers = new StringBuilder();
            // 题目类型 1 单选题 2 多选题 3 判断题 4 简答题 5 填空题
            Integer quType = question.getQuType();
            for (PaperQuAnswerExtDTO quAnswerDTO : quAnswerDTOList) {
                // 添加题目选项
                word07Writer.addText(new Font("宋体", Font.PLAIN, 10),
                        quAnswerDTO.getAbc() + "、" + quAnswerDTO.getContent());
                // 得到题目选项的答案 1 正确答案，0 错误答案
                Boolean isRight = quAnswerDTO.getIsRight();
                String dtoAbc = quAnswerDTO.getAbc();
                // 得到正确答案
                this.getAnswers(quType, isRight, answers, dtoAbc);
            }

            // 7、得到答案并保存到文件中
            word07Writer.addText(new Font("宋体", Font.PLAIN, 10), "答案：" + answers);
            // 8、得到题目整体解析
            String analysis = question.getAnalysis();
            word07Writer.addText(new Font("宋体", Font.PLAIN, 10),
                    "解析：" + (Objects.isNull(analysis) ? "暂无解析" : analysis));
        }
    }

    /**
     * 得到答案
     *
     * @param quType  题目类型 1 单选题 2 多选题 3 判断题 4 简答题 5 填空题
     * @param isRight 是否为正确答案 1 正确答案，0 错误答案
     * @param answers 得到的答案
     * @param dtoAbc  选项ABC
     */
    private void getAnswers(Integer quType, Boolean isRight, StringBuilder answers, String dtoAbc) {

        if (quType == 1 && isRight) {
            answers.append(dtoAbc);
        }
        if (quType == 2 && isRight) {
            answers.append(dtoAbc);
        }
        if (quType == 3 && isRight) {
            answers.append(dtoAbc);
        }
        if (quType == 4 && isRight) {
            answers.append(dtoAbc);
        }
        if (quType == 5 && isRight) {
            answers.append(dtoAbc);
        }
    } 


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