73 lines
2.8 KiB
Java
73 lines
2.8 KiB
Java
package com.ruoyi.system.controller;
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import org.apache.poi.ss.usermodel.*;
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import org.apache.poi.xssf.usermodel.XSSFWorkbook;
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import org.junit.Test;
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import org.springframework.boot.test.context.SpringBootTest;
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import java.io.*;
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import java.util.HashMap;
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import java.util.Map;
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@SpringBootTest
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public class test {
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@Test
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public void Adfff() {
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// excel 比较sheet1 和sheet2 表格的第一列和第二列 如果相同 就将sheet1 的第五列对应的值，写入给sheet2
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String inputFilePath = "C:\\Users\\Administrator\\Desktop\\test\\采购订单.xlsx";
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String outputFilePath = "C:\\Users\\Administrator\\Desktop\\test\\匹配价格.xlsx";
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String logFilePath = "C:\\Users\\Administrator\\Desktop\\test\\logfile.txt"; // 日志文件路径
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try (FileInputStream fis = new FileInputStream(inputFilePath);
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Workbook workbook = new XSSFWorkbook(fis);
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FileWriter fw = new FileWriter(logFilePath);
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PrintWriter logWriter = new PrintWriter(fw)) {
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Sheet sheet1 = workbook.getSheet("Sheet1");
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Sheet sheet2 = workbook.getSheet("Sheet2");
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Map<String, String> sheet1Data = new HashMap<>();
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// 读取Sheet1的数据
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for (Row row : sheet1) {
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Cell keyCell1 = row.getCell(0);
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Cell keyCell2 = row.getCell(1);
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Cell valueCell = row.getCell(4);
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if (keyCell1 != null && keyCell2 != null && valueCell != null) {
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String key = keyCell1.toString() + "-" + keyCell2.toString();
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String value = valueCell.toString();
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sheet1Data.put(key, value);
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}
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}
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// 比较Sheet2的数据并更新
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for (Row row : sheet2) {
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Cell keyCell1 = row.getCell(0);
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Cell keyCell2 = row.getCell(1);
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if (keyCell1 != null && keyCell2 != null) {
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String key = keyCell1.toString() + "-" + keyCell2.toString();
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if (sheet1Data.containsKey(key)) {
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Cell newValueCell = row.createCell(4, CellType.STRING);
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String newValue = sheet1Data.get(key);
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newValueCell.setCellValue(newValue);
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// 写入日志
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logWriter.println("更新Sheet2: 第" + (row.getRowNum() + 1) + "行，第5列的新值为：" + newValue);
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}
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}
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}
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// 将更新后的工作簿写入到输出文件
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try (FileOutputStream fos = new FileOutputStream(outputFilePath)) {
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workbook.write(fos);
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}
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System.out.println("比较和更新已成功完成。");
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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}
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