Java实现导出word表格的示例详解

目录

• 目标
• 实现
• 依赖
• 模版
• 代码

目标

多级表头、分页、动态数据

实现

依赖

        <!--  poi工具类-->
        <dependency>
            <groupId>com.deepoove</groupId>
            <artifactId>poi-tl</artifactId>
            <编程;version>1.12.0</version>
        </dependency>

模版

代码

TableData数据（模版对应的数据对象）

package org.example.bean;


import com.deepoove.poi.data.TableRenderData;
import lombok.Data;


@Data
public class TableData {

    /**
     * 标题
     */
    private String title;

    /**
     * 表格
     */
    private TableRenderData table;

    privatjavascripte String[][] tableList;

    /**
     * 总价
     */
    private String totalPrice;

}

核心代码

package org.example.controller;

import lombok.SneakyThrows;
import org.example.bean.TableData;
import org.springframework.web.bind.annotation.*;
import com.deepoove.poi.XwpFTemplate;
import com.deepoove.poi.data.*;

import Java.io.*;
imandroidport java.math.BigDecimal;
import java.net.URLEncoder;

import javax.servlet.http.HttpServletResponse;

/**
 * Java导出word表格
 * 根据word模版，手绘表格
 */
@RestController
@RequestMapping(value = "/word")
public class WordController {

    @GetMapping(value = "/table")
    @SneakyThrows
    public void table(TableData tableData, HttpServletResponse response) {

        /* 假数据 */
        tableData.setTitle("附件1-报价明细表");
        String[][] strings = new String[100][5];
        for (int i = 0; i < 100; i++) {
            strings[i] = new String[]{"1", "EREWHON", "生猪", "酒鬼酒", "125"};
        }
        tableData.setTableList(strings);

        // 模版路径
        String wordPath = "/Users/issavior/java/java/seckill-Redis/test/src/main/resources/";
        String modelName = "表格.docx";

        // 手绘表格
        // 表头
        RowRenderData row0 = Rows.of("项号", "编号", "种类", "", "价格").center().create();
        RowRenderData row1 = Rows.of("项号", "编号", "期货", "股票", "价格").center().create();

        int length = 0;
        if (tableData.getTableList() != null) {
            length = tableData.getTableList().length;
        }
        // 表格数据 加上2行表头 再加上最后一行总价
        RowRenderData[] rowRenderData = new RowRenderData[length + 3];
        rowRenderData[0] = row0;
        rowRenderData[1] = row1;
        // 计算价钱
        BigDecimal totalPrice = new BigDecimal("0");
        for (int i = 0; i < length; i++) {
            rowRenderData[i + 2] = Rows.of(tableData.getTableList()[i]).center().create();
            String s = tableData.getTableList()[i][4];
            BigDecimal bigDecimal = new BigDecimal(s);
            totalPrice = totalPrice.add(bigDecimal);
        }

        RowRenderData row4 = Rows.of("总价", "", "", "", totalPrice.toString()).center().create();
        rowRenderData[rowRenderData.length - 1] = row4;
        // 表格合并,根据坐标
        MergeCellRule rule = MergeCellRule.builder().map(MergeCellRule.Grid.of(0, 0), MergeCellRule.Grid.of(1, 0)).
                map(MergeCellRule.Grid.of(0, 1), MergeCellRule.Grid.of(1, 1)).
                map(MergeCellRule.Grid.of(0, 2), MergeCellRule.Grid.of(0, 3)).
                map(MergeCellRule.Grid.of(0, 4), MergeCellRule.Grid.of(1, 4)).
              python  map(MergeCellRule.Grid.of(rowRenderData.length - 1, 0), MergeCellRule.Grid.of(rowRenderData.length - 1, 3)).
                build();

        TableRenderData table = Tables.of(rowRenderData).mergeRule(rule).create();
        // 数据封编程客栈装
        tableData.setTable(table);
        // 传入模板模板地址+信息数据
        XWPFTemplate template = XWPFTemplate.compile(wordPath + modelName).render(tableData);
        // 指定下载的文件名--设置响应头
        response.setHeader("Content-Disposition", "attachment;filename=" + URLEncoder.encode("附件1-报价明细表.docx", "UTF-8"));
        response.setContentType("application/vnd.ms-excel;charset=UTF-8");
        response.setHeader("Pragma", "no-cache");
        response.setHeader("Cache-Control", "no-cache");
        response.setDateHeader("Expires", 0);
        try {
            OutputStream out = response.getOutputStream();
            BufferedOutputStream bos = new BufferedOutputStream(out);
            template.write(out);
            bos.flush();
   开发者_JAVA         out.flush();
            template.close();
        } catch (IOException e) {
            e.printStackTrace();
        }

    }
}

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