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增加Excel导入导出测试类，增加模板导出。

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This commit is contained in:
thinkgem
2024-07-18 15:52:08 +08:00
parent 237ee91644
commit 414f44c338
4 changed files with 201 additions and 78 deletions
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71
common/src/main/java/com/jeesite/common/utils/excel/ExcelExport.java
View File

@@ -59,7 +59,7 @@ public class ExcelExport implements Closeable{
/**
* 当前行号
*/
private int rownum;
private int rowNum;
/**
* 注解列表（Object[]{ ExcelField, Field/Method }）
@@ -158,6 +158,16 @@ public class ExcelExport implements Closeable{
}
this.createSheet(sheetName, title, headerList, headerWidthList);
}
/**
* 构造函数
*/
public ExcelExport(ExcelImport excelImport) {
this.wb = excelImport.getWorkbook();
this.styles = createStyles(wb);
this.sheet = excelImport.getSheet();
this.rowNum = excelImport.getHeaderNum();
}
/**
* 创建一个工作簿
@@ -286,12 +296,12 @@ public class ExcelExport implements Closeable{
* @param headerWidthList 表头字段宽度设置
*/
public void createSheet(String sheetName, String title, List<String> headerList, List<Integer> headerWidthList) {
this.sheet = wb.createSheet(StringUtils.defaultString(sheetName, StringUtils.defaultString(title, "Sheet1")));
this.sheet = wb.createSheet(StringUtils.defaultIfBlank(sheetName, StringUtils.defaultIfBlank(title, "Sheet1")));
this.styles = createStyles(wb);
this.rownum = 0;
this.rowNum = 0;
// Create title
if (StringUtils.isNotBlank(title)){
Row titleRow = sheet.createRow(rownum++);
Row titleRow = sheet.createRow(rowNum++);
titleRow.setHeightInPoints(30);
Cell titleCell = titleRow.createCell(0);
titleCell.setCellStyle(styles.get("title"));
@@ -303,7 +313,7 @@ public class ExcelExport implements Closeable{
if (headerList == null){
throw new ExcelException("headerList not null!");
}
Row headerRow = sheet.createRow(rownum++);
Row headerRow = sheet.createRow(rowNum++);
headerRow.setHeightInPoints(16);
for (int i = 0; i < headerList.size(); i++) {
Cell cell = headerRow.createCell(i);
@@ -412,7 +422,7 @@ public class ExcelExport implements Closeable{
* @return 行对象
*/
public Row addRow(){
return sheet.createRow(rownum++);
return sheet.createRow(rowNum++);
}
/**
@@ -633,54 +643,5 @@ public class ExcelExport implements Closeable{
e.printStackTrace();
}
}
// /**
// * 导出测试
// */
// public static void main(String[] args) throws Throwable {
//
// // 初始化表头
// List<String> headerList = ListUtils.newArrayList();
// for (int i = 1; i <= 10; i++) {
// headerList.add("表头"+i);
// }
//
// // 初始化数据集
// List<String> rowList = ListUtils.newArrayList();
// for (int i = 1; i <= headerList.size(); i++) {
// rowList.add("数据"+i);
// }
// List<List<String>> dataList = ListUtils.newArrayList();
// for (int i = 1; i <=100; i++) {
// dataList.add(rowList);
// }
//
// // 创建一个Sheet表，并导入数据
// try(ExcelExport ee = new ExcelExport("表格1", "表格标题1", headerList, null)){
//
// for (int i = 0; i < dataList.size(); i++) {
// Row row = ee.addRow();
// for (int j = 0; j < dataList.get(i).size(); j++) {
// ee.addCell(row, j, dataList.get(i).get(j));
// }
// }
//
// // 再创建一个Sheet表，并导入数据
// ee.createSheet("表格2", "表格标题2", headerList, null);
// for (int i = 0; i < dataList.size(); i++) {
// Row row = ee.addRow();
// for (int j = 0; j < dataList.get(i).size(); j++) {
// ee.addCell(row, j, dataList.get(i).get(j)+"2");
// }
// }
//
// // 输出到文件
// ee.writeFile("target/export.xlsx");
//
// }
//
// log.debug("Export success.");
//
// }
}

71
common/src/main/java/com/jeesite/common/utils/excel/ExcelImport.java
View File

@@ -68,13 +68,32 @@ public class ExcelImport implements Closeable {
/**
* 构造函数
* @param path 导入文件对象，读取第一个工作表
* @param fileName 导入文件对象，读取第一个工作表
* @throws InvalidFormatException
* @throws IOException
*/
public ExcelImport(String fileName) throws InvalidFormatException, IOException {
this(new File(fileName));
}
/**
* 构造函数
* @param file 导入文件对象，读取第一个工作表
* @throws InvalidFormatException
* @throws IOException
*/
public ExcelImport(File file) throws InvalidFormatException, IOException {
this(file, 0, 0);
}
/**
* 构造函数
* @param fileName 导入文件对象，读取第一个工作表
* @throws InvalidFormatException
* @throws IOException
*/
public ExcelImport(String fileName, int headerNum) throws InvalidFormatException, IOException {
this(new File(fileName), headerNum);
}
/**
* 构造函数
@@ -88,6 +107,19 @@ public class ExcelImport implements Closeable {
this(file, headerNum, 0);
}
/**
* 构造函数
* @param fileName 导入文件对象
* @param headerNum 标题行数，数据行号=标题行数+1
* @param sheetIndexOrName 工作表编号或名称，从0开始
* @throws InvalidFormatException
* @throws IOException
*/
public ExcelImport(String fileName, int headerNum, Object sheetIndexOrName)
throws InvalidFormatException, IOException {
this(new File(fileName), headerNum, sheetIndexOrName);
}
/**
* 构造函数
* @param file 导入文件对象
@@ -170,7 +202,21 @@ public class ExcelImport implements Closeable {
public Workbook getWorkbook() {
return wb;
}
/**
* 获取当前工作表
*/
public Sheet getSheet() {
return sheet;
}
/**
* 获取当前标题行数
*/
public int getHeaderNum() {
return headerNum;
}
/**
* 设置当前工作表和标题行数
* @author ThinkGem
@@ -528,25 +574,4 @@ public class ExcelImport implements Closeable {
}
}
// /**
// * 导入测试
// */
// public static void main(String[] args) throws Throwable {
//
// ImportExcel ei = new ImportExcel("target/export.xlsx", 1);
//
// for (int i = ei.getDataRowNum(); i < ei.getLastDataRowNum(); i++) {
// Row row = ei.getRow(i);
// if (row == null){
// continue;
// }
// for (int j = 0; j < ei.getLastCellNum(); j++) {
// Object val = ei.getCellValue(row, j);
// System.out.print(val+", ");
// }
// System.out.println();
// }
//
// }
}

92
common/src/test/java/com/jeesite/test/utils/excel/ExcelExportTest.java Normal file
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@@ -0,0 +1,92 @@
/**
* Copyright (c) 2013-Now http://jeesite.com All rights reserved.
* No deletion without permission, or be held responsible to law.
*/
package com.jeesite.test.utils.excel;
import com.jeesite.common.collect.ListUtils;
import com.jeesite.common.utils.excel.ExcelExport;
import com.jeesite.common.utils.excel.ExcelImport;
import org.apache.poi.ss.usermodel.Row;
import java.io.File;
import java.util.List;
/**
* 导出Excel文件测试类
* @author ThinkGem
* @version 2020-3-5
*/
public class ExcelExportTest {
/**
* 导出测试
*/
public static void main(String[] args) throws Throwable {
File classPath = new File(ExcelExportTest.class.getResource("/").getFile());
String fileName = classPath.getParentFile().getAbsoluteFile() + "/export.xlsx";
// 初始化表头
List<String> headerList = ListUtils.newArrayList();
for (int i = 1; i <= 10; i++) {
headerList.add("表头"+i);
}
// 初始化数据集
List<String> rowList = ListUtils.newArrayList();
for (int i = 1; i <= headerList.size(); i++) {
rowList.add("数据"+i);
}
List<List<String>> dataList = ListUtils.newArrayList();
for (int i = 1; i <=100; i++) {
dataList.add(rowList);
}
// 创建一个Sheet表，并导入数据
try(ExcelExport ee = new ExcelExport("表格1", "表格标题1", headerList, null)){
for (int i = 0; i < dataList.size(); i++) {
Row row = ee.addRow();
for (int j = 0; j < dataList.get(i).size(); j++) {
ee.addCell(row, j, dataList.get(i).get(j));
}
}
// 再创建一个Sheet表，并导入数据
ee.createSheet("表格2", "表格标题2", headerList, null);
for (int i = 0; i < dataList.size(); i++) {
Row row = ee.addRow();
for (int j = 0; j < dataList.get(i).size(); j++) {
ee.addCell(row, j, dataList.get(i).get(j)+"2");
}
}
// 输出到文件
ee.writeFile(fileName);
}
System.out.println("Export success.");
// 按模板导出，从第 3 行开始
ExcelImport ei = new ExcelImport(fileName, 3);
try(ExcelExport ee = new ExcelExport(ei)){
for (int i = 0; i < dataList.size(); i++) {
Row row = ee.addRow();
for (int j = 0; j < dataList.get(i).size(); j++) {
ee.addCell(row, j, dataList.get(i).get(j) + "-plus");
}
}
// 输出到文件
ee.writeFile(fileName);
}
System.out.println("Export success by template.");
}
}

45
common/src/test/java/com/jeesite/test/utils/excel/ExcelImportTest.java Normal file
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@@ -0,0 +1,45 @@
/**
* Copyright (c) 2013-Now http://jeesite.com All rights reserved.
* No deletion without permission, or be held responsible to law.
*/
package com.jeesite.test.utils.excel;
import com.jeesite.common.utils.excel.ExcelImport;
import org.apache.poi.ss.usermodel.Row;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.File;
/**
* 导入Excel文件测试类
* @author ThinkGem
* @version 2020-3-5
*/
public class ExcelImportTest {
/**
* 导入测试
*/
public static void main(String[] args) throws Throwable {
File classPath = new File(ExcelExportTest.class.getResource("/").getFile());
String fileName = classPath.getParentFile().getAbsoluteFile() + "/export.xlsx";
ExcelImport ei = new ExcelImport(fileName, 1);
for (int i = ei.getDataRowNum(); i < ei.getLastDataRowNum(); i++) {
Row row = ei.getRow(i);
if (row == null){
continue;
}
for (int j = 0; j < ei.getLastCellNum(); j++) {
Object val = ei.getCellValue(row, j);
System.out.print(val+", ");
}
System.out.println();
}
System.out.println("Import success.");
}
}