spring boot实现自动输出word文档功能的实例代码

<dependency>
            <groupId>org.apache.poi</groupId>
            <artifactId>poi</artifactId>
            <version>4.1.0</version>
        </dependency>
        <dependency>
            <groupId>org.apache.poi</groupId>
            <artifactId>poi-ooxml</artifactId>
            <version>4.1.0</version>
        </dependency>

import lombok.Data;

// 选择题实体
@Data
public class MultiQuestion {
    private Integer questionId;

    private String subject;

    private String section;

    private String answerA;

    private String answerB;

    private String answerC;

    private String answerD;

    private String question;

    private String level;

    private String rightAnswer;

    private String analysis; //题目解析

    private Integer score;
 }

import lombok.Data;

//填空题实体类
@Data
public class FillQuestion {
    private Integer questionId;

    private String subject;

    private String question;

    private String answer;

    private Integer score;

    private String level;

    private String section;

    private String analysis; //题目解析
 }

import lombok.Data;

//判断题实体类
@Data
public class JudgeQuestion {
    private Integer questionId;

    private String subject;

    private String question;

    private String answer;

    private String level;

    private String section;

    private Integer score;

    private String analysis; //题目解析
}

@Mapper
public interface MultiQuestionMapper {
    /**
     * select * from multiquestions where questionId in (
     * 	select questionId from papermanage where questionType = 1 and paperId = 1001
     * )
     */
    @Select("select * from multi_question where questionId in (select questionId from paper_manage where questionType = 1 and paperId = #{paperId})")
    List<MultiQuestion> findByIdAndType(Integer PaperId);

    @Select("select * from multi_question")
    IPage<MultiQuestion> findAll(Page page);

    /**
     * 查询最后一条记录的questionId
     * @return MultiQuestion
     */
    @Select("select questionId from multi_question order by questionId desc limit 1")
    MultiQuestion findOnlyQuestionId();

    @Options(useGeneratedKeys = true,keyProperty = "questionId")
    @Insert("insert into multi_question(subject,question,answerA,answerB,answerC,answerD,rightAnswer,analysis,section,level) " +
            "values(#{subject},#{question},#{answerA},#{answerB},#{answerC},#{answerD},#{rightAnswer},#{analysis},#{section},#{level})")
    int add(MultiQuestion multiQuestion);

    @Select("select questionId from multi_question  where subject =#{subject} order by rand() desc limit #{pageNo}")
    List<Integer> findBySubject(String subject,Integer pageNo);


}

//填空题
@Mapper
public interface FillQuestionMapper {

    @Select("select * from fill_question where questionId in (select questionId from paper_manage where questionType = 2 and paperId = #{paperId})")
    List<FillQuestion> findByIdAndType(Integer paperId);

    @Select("select * from fill_question")
    IPage<FillQuestion> findAll(Page page);

    /**
     * 查询最后一条questionId
     * @return FillQuestion
     */
    @Select("select questionId from fill_question order by questionId desc limit 1")
    FillQuestion findOnlyQuestionId();

    @Options(useGeneratedKeys = true,keyProperty ="questionId" )
    @Insert("insert into fill_question(subject,question,answer,analysis,level,section) values " +<div>本文来源gaodai.ma#com搞#代!码网_</div>
            "(#{subject,},#{question},#{answer},#{analysis},#{level},#{section})")
    int add(FillQuestion fillQuestion);

    @Select("select questionId from fill_question where subject = #{subject} order by rand() desc limit #{pageNo}")
    List<Integer> findBySubject(String subject,Integer pageNo);
}

//判断题

@Mapper
public interface JudgeQuestionMapper {

    @Select("select * from judge_question where questionId in (select questionId from paper_manage where questionType = 3 and paperId = #{paperId})")
    List<JudgeQuestion> findByIdAndType(Integer paperId);

    @Select("select * from judge_question")
    IPage<JudgeQuestion> findAll(Page page);

    /**
     * 查询最后一条记录的questionId
     * @return JudgeQuestion
     */
    @Select("select questionId from judge_question order by questionId desc limit 1")
    JudgeQuestion findOnlyQuestionId();

    @Insert("insert into judge_question(subject,question,answer,analysis,level,section) values " +
            "(#{subject},#{question},#{answer},#{analysis},#{level},#{section})")
    int add(JudgeQuestion judgeQuestion);

    @Select("select questionId from judge_question  where subject=#{subject}  order by rand() desc limit #{pageNo}")
    List<Integer> findBySubject(String subject,Integer pageNo);
}