manager/my-worker
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

POI 代码优化

Browse Source
This commit is contained in:
thinkgem
2020-02-19 21:15:22 +08:00
parent 5df57a9f49
commit e8aa8095ce
2 changed files with 51 additions and 46 deletions
Download Patch File Download Diff File Expand all files Collapse all files

72
common/src/main/java/com/jeesite/common/utils/excel/ExcelExport.java
View File

@@ -21,13 +21,17 @@ import java.util.Set;
import javax.servlet.http.HttpServletResponse;
import org.apache.poi.ss.usermodel.BorderStyle;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.CellStyle;
import org.apache.poi.ss.usermodel.Comment;
import org.apache.poi.ss.usermodel.FillPatternType;
import org.apache.poi.ss.usermodel.Font;
import org.apache.poi.ss.usermodel.HorizontalAlignment;
import org.apache.poi.ss.usermodel.IndexedColors;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.usermodel.VerticalAlignment;
import org.apache.poi.ss.usermodel.Workbook;
import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.xssf.streaming.SXSSFWorkbook;
@@ -51,7 +55,7 @@ import com.jeesite.common.utils.excel.annotation.ExcelFields;
/**
* 导出Excel文件（导出“XLSX”格式，支持大数据量导出 @see org.apache.poi.ss.SpreadsheetVersion）
* @author ThinkGem
* @version 2018-08-11
* @version 2020-2-19
*/
public class ExcelExport implements Closeable{
@@ -348,24 +352,24 @@ public class ExcelExport implements Closeable{
Map<String, CellStyle> styles = new HashMap<String, CellStyle>();
CellStyle style = wb.createCellStyle();
style.setAlignment(CellStyle.ALIGN_CENTER);
style.setVerticalAlignment(CellStyle.VERTICAL_CENTER);
style.setAlignment(HorizontalAlignment.CENTER);
style.setVerticalAlignment(VerticalAlignment.CENTER);
Font titleFont = wb.createFont();
titleFont.setFontName("Arial");
titleFont.setFontHeightInPoints((short) 16);
titleFont.setBoldweight(Font.BOLDWEIGHT_BOLD);
titleFont.setBold(true);
style.setFont(titleFont);
styles.put("title", style);
style = wb.createCellStyle();
style.setVerticalAlignment(CellStyle.VERTICAL_CENTER);
style.setBorderRight(CellStyle.BORDER_THIN);
style.setVerticalAlignment(VerticalAlignment.CENTER);
style.setBorderRight(BorderStyle.THIN);
style.setRightBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
style.setBorderLeft(CellStyle.BORDER_THIN);
style.setBorderLeft(BorderStyle.THIN);
style.setLeftBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
style.setBorderTop(CellStyle.BORDER_THIN);
style.setBorderTop(BorderStyle.THIN);
style.setTopBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
style.setBorderBottom(CellStyle.BORDER_THIN);
style.setBorderBottom(BorderStyle.THIN);
style.setBottomBorderColor(IndexedColors.GREY_50_PERCENT.getIndex());
Font dataFont = wb.createFont();
dataFont.setFontName("Arial");
@@ -375,29 +379,29 @@ public class ExcelExport implements Closeable{
style = wb.createCellStyle();
style.cloneStyleFrom(styles.get("data"));
style.setAlignment(CellStyle.ALIGN_LEFT);
style.setAlignment(HorizontalAlignment.LEFT);
styles.put("data1", style);
style = wb.createCellStyle();
style.cloneStyleFrom(styles.get("data"));
style.setAlignment(CellStyle.ALIGN_CENTER);
style.setAlignment(HorizontalAlignment.CENTER);
styles.put("data2", style);
style = wb.createCellStyle();
style.cloneStyleFrom(styles.get("data"));
style.setAlignment(CellStyle.ALIGN_RIGHT);
style.setAlignment(HorizontalAlignment.RIGHT);
styles.put("data3", style);
style = wb.createCellStyle();
style.cloneStyleFrom(styles.get("data"));
// style.setWrapText(true);
style.setAlignment(CellStyle.ALIGN_CENTER);
style.setAlignment(HorizontalAlignment.CENTER);
style.setFillForegroundColor(IndexedColors.GREY_50_PERCENT.getIndex());
style.setFillPattern(CellStyle.SOLID_FOREGROUND);
style.setFillPattern(FillPatternType.SOLID_FOREGROUND);
Font headerFont = wb.createFont();
headerFont.setFontName("Arial");
headerFont.setFontHeightInPoints((short) 10);
headerFont.setBoldweight(Font.BOLDWEIGHT_BOLD);
headerFont.setBold(true);
headerFont.setColor(IndexedColors.WHITE.getIndex());
style.setFont(headerFont);
styles.put("header", style);
@@ -636,28 +640,28 @@ public class ExcelExport implements Closeable{
// }
//
// // 创建一个Sheet表，并导入数据
// 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));
// 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");
//
// // 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");
//
// // 输出到文件
// ee.writeFile("target/export.xlsx");
//
// // 清理销毁
// ee.dispose();
// }
//
// log.debug("Export success.");
//

25
common/src/main/java/com/jeesite/common/utils/excel/ExcelImport.java
View File

@@ -23,6 +23,7 @@ import org.apache.poi.hssf.usermodel.HSSFWorkbook;
import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
import org.apache.poi.ss.formula.eval.ErrorEval;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.CellType;
import org.apache.poi.ss.usermodel.CellValue;
import org.apache.poi.ss.usermodel.DateUtil;
import org.apache.poi.ss.usermodel.FormulaEvaluator;
@@ -48,7 +49,7 @@ import com.jeesite.common.utils.excel.annotation.ExcelFields;
/**
* 导入Excel文件（支持“XLS”和“XLSX”格式）
* @author ThinkGem
* @version 2018-08-11
* @version 2020-2-19
*/
public class ExcelImport implements Closeable {
@@ -262,7 +263,7 @@ public class ExcelImport implements Closeable {
try{
Cell cell = row.getCell(column);
if (cell != null){
if (cell.getCellType() == Cell.CELL_TYPE_NUMERIC){
if (cell.getCellTypeEnum() == CellType.NUMERIC){
val = cell.getNumericCellValue();
if (HSSFDateUtil.isCellDateFormatted(cell)) {
val = DateUtil.getJavaDate((Double) val); // POI Excel 日期格式转换
@@ -273,36 +274,36 @@ public class ExcelImport implements Closeable {
val = new DecimalFormat("0").format(val);
}
}
}else if (cell.getCellType() == Cell.CELL_TYPE_STRING) {
}else if (cell.getCellTypeEnum() == CellType.STRING) {
val = cell.getStringCellValue();
}else if (cell.getCellType() == Cell.CELL_TYPE_FORMULA){
}else if (cell.getCellTypeEnum() == CellType.FORMULA){
try {
val = cell.getStringCellValue();
} catch (Exception e) {
FormulaEvaluator evaluator = cell.getSheet().getWorkbook()
.getCreationHelper().createFormulaEvaluator();
evaluator.evaluateFormulaCell(cell);
evaluator.evaluateFormulaCellEnum(cell);
CellValue cellValue = evaluator.evaluate(cell);
switch (cellValue.getCellType()) {
case Cell.CELL_TYPE_NUMERIC:
switch (cellValue.getCellTypeEnum()) {
case NUMERIC:
val = cellValue.getNumberValue();
break;
case Cell.CELL_TYPE_STRING:
case STRING:
val = cellValue.getStringValue();
break;
case Cell.CELL_TYPE_BOOLEAN:
case BOOLEAN:
val = cellValue.getBooleanValue();
break;
case Cell.CELL_TYPE_ERROR:
case ERROR:
val = ErrorEval.getText(cellValue.getErrorValue());
break;
default:
val = cell.getCellFormula();
}
}
}else if (cell.getCellType() == Cell.CELL_TYPE_BOOLEAN){
}else if (cell.getCellTypeEnum() == CellType.BOOLEAN){
val = cell.getBooleanCellValue();
}else if (cell.getCellType() == Cell.CELL_TYPE_ERROR){
}else if (cell.getCellTypeEnum() == CellType.ERROR){
val = cell.getErrorCellValue();
}
}