[Java知识库]关于导出java导出word实现思路及代码展示

温馨提示：如果原来项目中有使用poi一定要避免使用maven时发生冲突，具体参考API文档

Poi-tl Documentation (deepoove.com)http://deepoove.com/poi-tl/#_%E7%89%88%E6%9C%ACmaven准备：

        <dependency>
            <groupId>com.deepoove</groupId>
            <artifactId>poi-tl</artifactId>
            <version>1.11.1</version>
        </dependency>

        <dependency>
            <groupId>org.apache.poi</groupId>
            <artifactId>poi-ooxml</artifactId>
            <version>5.2.0</version>
        </dependency>
        <dependency>
            <groupId>org.apache.poi</groupId>
            <artifactId>poi</artifactId>
            <version>5.2.0</version>
        </dependency>

测试代码：?

package com.demo.testproject.test;

import com.deepoove.poi.XWPFTemplate;
import com.deepoove.poi.data.RowRenderData;
import com.deepoove.poi.data.Rows;
import com.deepoove.poi.data.Tables;
import com.demo.testproject.entity.User;
import org.springframework.util.ResourceUtils;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.*;

public class Test5 {
    public static void main(String[] args) throws Exception{
        //数据集合
        HashMap<String, Object> dataSource = new HashMap<>();
        dataSource.put("title","模板标题");
        File file1 = ResourceUtils.getFile("classpath:static/template/template.docx");

        List<User> users = new ArrayList<>();
        users.add(new User(1,"小明",22,"123456@qq.com"));
        users.add(new User(2,"小话",22,"123456@qq.com"));
        users.add(new User(3,"小例",22,"123456@qq.com"));
        users.add(new User(4,"小刚",22,"123456@qq.com"));
        users.add(new User(5,"小物",22,"123456@qq.com"));
        users.add(new User(6,"小吗",22,"123456@qq.com"));
        users.add(new User(7,"小彭",22,"123456@qq.com"));
        users.add(new User(8,"小傲",22,"123456@qq.com"));

        // 第0行居中且背景为蓝色的表格
        //表头
        RowRenderData row0 = Rows.of("序号", "姓名","年龄","邮箱").textColor("FFFFFF").bgColor("4472C4").center().create();
        RowRenderData []rowRenderData = new RowRenderData[users.size()+1]; //多增加了一行表头
        List<RowRenderData> list = new ArrayList<>();
        list.add(row0);
        users.forEach(x->{
            //将对象的属性遍历到表格中
            list.add(Rows.of(String.valueOf(x.getId()),x.getName(),String.valueOf(x.getAge()),x.getEmail()).center().create());
        });
        //集合转换成数组，需要手动转换，不能使用toArrays方法
        for (int i = 0; i < list.size(); i++) {
            rowRenderData[i] = list.get(i);
        }
        Object[] objects = list.toArray();
        for (Object obj:objects) {
            System.out.println(obj);
        }
        dataSource.put("table1", Tables.create(rowRenderData));
        //输出
        XWPFTemplate template = XWPFTemplate.compile(file1).render(dataSource);
        try {
            Random random = new Random();
            int i = random.nextInt(1000);
            String outPut = "e:\\"+i+".docx";
            System.out.println("输出路径"+outPut);
            template.writeAndClose(new FileOutputStream(outPut));
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}

模板存放位置：

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结果展示?

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优化代码建议：将该类封装成方法传入：模板路径，对象集合，输出模板路径即可，遍历时只需要关注表头和赋值的两行代码即可。

非? ? ?常? ? 好? ?用！

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