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完成部分csv

pull/2077/head
Jiaju Zhuang 3 years ago
parent
commit
d475f98b93
  1. 24
      src/main/java/com/alibaba/excel/constant/BuiltinFormats.java
  2. 231
      src/main/java/com/alibaba/excel/csv/CsvCell.java
  3. 15
      src/main/java/com/alibaba/excel/csv/CsvDataFormat.java
  4. 291
      src/main/java/com/alibaba/excel/metadata/csv/CsvCell.java
  5. 21
      src/main/java/com/alibaba/excel/metadata/csv/CsvCellStyle.java
  6. 65
      src/main/java/com/alibaba/excel/metadata/csv/CsvDataFormat.java
  7. 68
      src/main/java/com/alibaba/excel/metadata/csv/CsvRichTextString.java
  8. 73
      src/main/java/com/alibaba/excel/metadata/csv/CsvRow.java
  9. 146
      src/main/java/com/alibaba/excel/metadata/csv/CsvSheet.java
  10. 71
      src/main/java/com/alibaba/excel/metadata/csv/CsvWorkbook.java
  11. 15
      src/main/java/com/alibaba/excel/util/WorkBookUtil.java
  12. 18
      src/main/java/com/alibaba/excel/write/metadata/holder/WriteWorkbookHolder.java
  13. 16
      src/test/java/com/alibaba/easyexcel/test/core/annotation/AnnotationDataTest.java

24
src/main/java/com/alibaba/excel/constant/BuiltinFormats.java

@ -1,6 +1,9 @@
package com.alibaba.excel.constant;
import java.util.Locale;
import java.util.Map;
import com.alibaba.excel.util.MapUtils;
/**
* Excel's built-in format conversion.Currently only supports Chinese.
@ -363,6 +366,10 @@ public class BuiltinFormats {
// end
};
public static final Map<String, Short> BUILTIN_FORMATS_MAP_CN = buildMap(BUILTIN_FORMATS_CN);
public static final Map<String, Short> BUILTIN_FORMATS_MAP_US = buildMap(BUILTIN_FORMATS_US);
public static final short MIN_CUSTOM_DATA_FORMAT_INDEX = 82;
public static String getBuiltinFormat(Short index, String defaultFormat, Locale locale) {
String[] builtinFormat = switchBuiltinFormats(locale);
if (index == null || index < 0 || index >= builtinFormat.length) {
@ -371,11 +378,26 @@ public class BuiltinFormats {
return builtinFormat[index];
}
private static String[] switchBuiltinFormats(Locale locale) {
public static String[] switchBuiltinFormats(Locale locale) {
if (locale != null && Locale.US.getCountry().equals(locale.getCountry())) {
return BUILTIN_FORMATS_US;
}
return BUILTIN_FORMATS_CN;
}
public static Map<String, Short> switchBuiltinFormatsMap(Locale locale) {
if (locale != null && Locale.US.getCountry().equals(locale.getCountry())) {
return BUILTIN_FORMATS_MAP_US;
}
return BUILTIN_FORMATS_MAP_CN;
}
private static Map<String, Short> buildMap(String[] builtinFormats) {
Map<String, Short> map = MapUtils.newHashMapWithExpectedSize(builtinFormats.length);
for (int i = 0; i < builtinFormats.length; i++) {
map.put(builtinFormats[i], (short)i);
}
return map;
}
}

231
src/main/java/com/alibaba/excel/csv/CsvCell.java

@ -1,231 +0,0 @@
package com.alibaba.excel.csv;
import java.time.LocalDateTime;
import java.util.Calendar;
import java.util.Date;
import org.apache.poi.ss.formula.FormulaParseException;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.CellStyle;
import org.apache.poi.ss.usermodel.CellType;
import org.apache.poi.ss.usermodel.Comment;
import org.apache.poi.ss.usermodel.Hyperlink;
import org.apache.poi.ss.usermodel.RichTextString;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.util.CellAddress;
import org.apache.poi.ss.util.CellRangeAddress;
/**
* TODO
*
* @author Jiaju Zhuang
*/
public class CsvCell implements Cell {
private String value;
@Override
public int getColumnIndex() {
return 0;
}
@Override
public int getRowIndex() {
return 0;
}
@Override
public Sheet getSheet() {
return null;
}
@Override
public Row getRow() {
return null;
}
@Override
public void setCellType(CellType cellType) {
}
@Override
public void setBlank() {
}
@Override
public CellType getCellType() {
return null;
}
@Override
public CellType getCellTypeEnum() {
return null;
}
@Override
public CellType getCachedFormulaResultType() {
return null;
}
@Override
public CellType getCachedFormulaResultTypeEnum() {
return null;
}
@Override
public void setCellValue(double value) {
this.value = value + "";
}
@Override
public void setCellValue(Date value) {
this.value = value.toString();
}
@Override
public void setCellValue(LocalDateTime value) {
}
@Override
public void setCellValue(Calendar value) {
}
@Override
public void setCellValue(RichTextString value) {
}
@Override
public void setCellValue(String value) {
this.value = value;
}
@Override
public void setCellFormula(String formula) throws FormulaParseException, IllegalStateException {
}
@Override
public void removeFormula() throws IllegalStateException {
}
@Override
public String getCellFormula() {
return null;
}
@Override
public double getNumericCellValue() {
return 0;
}
@Override
public Date getDateCellValue() {
return null;
}
@Override
public LocalDateTime getLocalDateTimeCellValue() {
return null;
}
@Override
public RichTextString getRichStringCellValue() {
return null;
}
@Override
public String getStringCellValue() {
return value;
}
@Override
public void setCellValue(boolean value) {
}
@Override
public void setCellErrorValue(byte value) {
}
@Override
public boolean getBooleanCellValue() {
return false;
}
@Override
public byte getErrorCellValue() {
return 0;
}
@Override
public void setCellStyle(CellStyle style) {
}
@Override
public CellStyle getCellStyle() {
return null;
}
@Override
public void setAsActiveCell() {
}
@Override
public CellAddress getAddress() {
return null;
}
@Override
public void setCellComment(Comment comment) {
}
@Override
public Comment getCellComment() {
return null;
}
@Override
public void removeCellComment() {
}
@Override
public Hyperlink getHyperlink() {
return null;
}
@Override
public void setHyperlink(Hyperlink link) {
}
@Override
public void removeHyperlink() {
}
@Override
public CellRangeAddress getArrayFormulaRange() {
return null;
}
@Override
public boolean isPartOfArrayFormulaGroup() {
return false;
}
}

15
src/main/java/com/alibaba/excel/csv/CsvDataFormat.java

@ -1,15 +0,0 @@
package com.alibaba.excel.csv;
import org.apache.poi.ss.usermodel.DataFormat;
public class CsvDataFormat implements DataFormat {
@Override
public short getFormat(String format) {
return 0;
}
@Override
public String getFormat(short index) {
return null;
}
}

291
src/main/java/com/alibaba/excel/metadata/csv/CsvCell.java

@ -0,0 +1,291 @@
package com.alibaba.excel.metadata.csv;
import java.math.BigDecimal;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.util.Calendar;
import java.util.Date;
import com.alibaba.excel.metadata.data.FormulaData;
import org.apache.poi.ss.SpreadsheetVersion;
import org.apache.poi.ss.usermodel.CellBase;
import org.apache.poi.ss.usermodel.CellStyle;
import org.apache.poi.ss.usermodel.CellType;
import org.apache.poi.ss.usermodel.Comment;
import org.apache.poi.ss.usermodel.Hyperlink;
import org.apache.poi.ss.usermodel.RichTextString;
import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
import org.apache.poi.ss.util.CellRangeAddress;
/**
* csv cell
*
* @author Jiaju Zhuang
*/
public class CsvCell extends CellBase {
/**
* column index
*/
private Integer columnIndex;
/**
* cell type
*/
private CellType cellType;
/**
* row
*/
private final CsvRow csvRow;
/**
* {@link CellType#NUMERIC}
*/
private BigDecimal numberValue;
/**
* {@link CellType#STRING} and {@link CellType#ERROR} {@link CellType#FORMULA}
*/
private String stringValue;
/**
* {@link CellType#BOOLEAN}
*/
private Boolean booleanValue;
/**
* {@link CellType#NUMERIC}
*/
private LocalDateTime dateValue;
/**
* formula
*/
private FormulaData formulaData;
/**
* rich text string
*/
private RichTextString richTextString;
/**
* style
*/
private CellStyle cellStyle;
public CsvCell(CsvRow csvRow, Integer columnIndex, CellType cellType) {
this.csvRow = csvRow;
this.columnIndex = columnIndex;
this.cellType = cellType;
}
@Override
protected void setCellTypeImpl(CellType cellType) {
this.cellType = cellType;
}
@Override
protected void setCellFormulaImpl(String formula) {
FormulaData formulaData = new FormulaData();
formulaData.setFormulaValue(formula);
this.formulaData = formulaData;
}
@Override
protected void removeFormulaImpl() {
this.formulaData = null;
}
@Override
protected void setCellValueImpl(double value) {
numberValue = BigDecimal.valueOf(value);
}
@Override
protected void setCellValueImpl(Date value) {
if (value == null) {
return;
}
this.dateValue = LocalDateTime.ofInstant(value.toInstant(), ZoneId.systemDefault());
}
@Override
protected void setCellValueImpl(LocalDateTime value) {
this.dateValue = value;
}
@Override
protected void setCellValueImpl(Calendar value) {
if (value == null) {
return;
}
this.dateValue = LocalDateTime.ofInstant(value.toInstant(), ZoneId.systemDefault());
}
@Override
protected void setCellValueImpl(String value) {
this.stringValue = value;
}
@Override
protected void setCellValueImpl(RichTextString value) {
richTextString = value;
}
@Override
protected SpreadsheetVersion getSpreadsheetVersion() {
return null;
}
@Override
public int getColumnIndex() {
return columnIndex;
}
@Override
public int getRowIndex() {
return csvRow.getRowNum();
}
@Override
public Sheet getSheet() {
return csvRow.getSheet();
}
@Override
public Row getRow() {
return csvRow;
}
@Override
public CellType getCellType() {
return cellType;
}
@Override
public CellType getCachedFormulaResultType() {
return getCellType();
}
@Override
public CellType getCachedFormulaResultTypeEnum() {
return getCellType();
}
@Override
public String getCellFormula() {
if (formulaData == null) {
return null;
}
return formulaData.getFormulaValue();
}
@Override
public double getNumericCellValue() {
if (numberValue == null) {
return 0;
}
return numberValue.doubleValue();
}
@Override
public Date getDateCellValue() {
if (dateValue == null) {
return null;
}
return Date.from(dateValue.atZone(ZoneId.systemDefault()).toInstant());
}
@Override
public LocalDateTime getLocalDateTimeCellValue() {
return dateValue;
}
@Override
public RichTextString getRichStringCellValue() {
return richTextString;
}
@Override
public String getStringCellValue() {
return stringValue;
}
@Override
public void setCellValue(boolean value) {
this.booleanValue = value;
}
@Override
public void setCellErrorValue(byte value) {
this.numberValue = BigDecimal.valueOf(value);
}
@Override
public boolean getBooleanCellValue() {
return booleanValue;
}
@Override
public byte getErrorCellValue() {
if (numberValue == null) {
return 0;
}
return numberValue.byteValue();
}
@Override
public void setCellStyle(CellStyle style) {
this.cellStyle = style;
}
@Override
public CellStyle getCellStyle() {
return cellStyle;
}
@Override
public void setAsActiveCell() {
}
@Override
public void setCellComment(Comment comment) {
}
@Override
public Comment getCellComment() {
return null;
}
@Override
public void removeCellComment() {
}
@Override
public Hyperlink getHyperlink() {
return null;
}
@Override
public void setHyperlink(Hyperlink link) {
}
@Override
public void removeHyperlink() {
}
@Override
public CellRangeAddress getArrayFormulaRange() {
return null;
}
@Override
public boolean isPartOfArrayFormulaGroup() {
return false;
}
}

21
src/main/java/com/alibaba/excel/csv/CsvCellStyle.java → src/main/java/com/alibaba/excel/metadata/csv/CsvCellStyle.java

@ -1,4 +1,6 @@
package com.alibaba.excel.csv;
package com.alibaba.excel.metadata.csv;
import com.alibaba.excel.metadata.data.DataFormatData;
import org.apache.poi.ss.usermodel.BorderStyle;
import org.apache.poi.ss.usermodel.CellStyle;
@ -9,11 +11,26 @@ import org.apache.poi.ss.usermodel.HorizontalAlignment;
import org.apache.poi.ss.usermodel.VerticalAlignment;
/**
* TODO
* csv cell style
*
* @author Jiaju Zhuang
*/
public class CsvCellStyle implements CellStyle {
/**
* data format
*/
private DataFormatData dataFormatData;
/**
* index
*/
private Short index;
public CsvCellStyle(Short index) {
this.index = index;
}
@Override
public short getIndex() {
return 0;

65
src/main/java/com/alibaba/excel/metadata/csv/CsvDataFormat.java

@ -0,0 +1,65 @@
package com.alibaba.excel.metadata.csv;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import com.alibaba.excel.constant.BuiltinFormats;
import com.alibaba.excel.util.ListUtils;
import com.alibaba.excel.util.MapUtils;
import org.apache.poi.ss.usermodel.DataFormat;
/**
* format data
*
* @author Jiaju Zhuang
*/
public class CsvDataFormat implements DataFormat {
/**
* It is stored in both map and list for easy retrieval
*/
private final Map<String, Short> formatMap;
private final List<String> formatList;
/**
* Excel's built-in format conversion.
*/
private final Map<String, Short> builtinFormatsMap;
private final String[] builtinFormats;
public CsvDataFormat(Locale locale) {
formatMap = MapUtils.newHashMap();
formatList = ListUtils.newArrayList();
builtinFormatsMap = BuiltinFormats.switchBuiltinFormatsMap(locale);
builtinFormats = BuiltinFormats.switchBuiltinFormats(locale);
}
@Override
public short getFormat(String format) {
Short index = builtinFormatsMap.get(format);
if (index != null) {
return index;
}
index = formatMap.get(format);
if (index != null) {
return index;
}
formatList.add(format);
index = (short)formatList.size();
formatMap.put(format, index);
return index;
}
@Override
public String getFormat(short index) {
if (index < BuiltinFormats.MIN_CUSTOM_DATA_FORMAT_INDEX) {
return builtinFormats[index];
}
int actualIndex = index - BuiltinFormats.MIN_CUSTOM_DATA_FORMAT_INDEX;
if (actualIndex >= 0 && actualIndex < formatList.size()) {
return formatList.get(actualIndex);
}
return null;
}
}

68
src/main/java/com/alibaba/excel/metadata/csv/CsvRichTextString.java

@ -0,0 +1,68 @@
package com.alibaba.excel.metadata.csv;
import org.apache.poi.ss.usermodel.Font;
import org.apache.poi.ss.usermodel.RichTextString;
/**
* rich text string
*
* @author Jiaju Zhuang
*/
public class CsvRichTextString implements RichTextString {
/**
* string
*/
private final String string;
public CsvRichTextString(String string) {
this.string = string;
}
@Override
public void applyFont(int startIndex, int endIndex, short fontIndex) {
}
@Override
public void applyFont(int startIndex, int endIndex, Font font) {
}
@Override
public void applyFont(Font font) {
}
@Override
public void clearFormatting() {
}
@Override
public String getString() {
return string;
}
@Override
public int length() {
if (string == null) {
return 0;
}
return string.length();
}
@Override
public int numFormattingRuns() {
return 0;
}
@Override
public int getIndexOfFormattingRun(int index) {
return 0;
}
@Override
public void applyFont(short fontIndex) {
}
}

73
src/main/java/com/alibaba/excel/csv/CsvRow.java → src/main/java/com/alibaba/excel/metadata/csv/CsvRow.java

@ -1,9 +1,10 @@
package com.alibaba.excel.csv;
package com.alibaba.excel.metadata.csv;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.apache.commons.collections4.CollectionUtils;
import org.apache.commons.compress.utils.Lists;
import org.apache.poi.ss.usermodel.Cell;
import org.apache.poi.ss.usermodel.CellStyle;
import org.apache.poi.ss.usermodel.CellType;
@ -11,64 +12,98 @@ import org.apache.poi.ss.usermodel.Row;
import org.apache.poi.ss.usermodel.Sheet;
/**
* TODO
* csv row
*
* @author Jiaju Zhuang
*/
public class CsvRow implements Row {
public List<CsvCell> list = new ArrayList<>();
/**
* cell list
*/
private final List<CsvCell> cellList;
/**
* sheet
*/
private final CsvSheet csvSheet;
/**
* row index
*/
private Integer rowIndex;
/**
* style
*/
private CellStyle cellStyle;
public CsvRow(CsvSheet csvSheet, Integer rowIndex) {
cellList = Lists.newArrayList();
this.csvSheet = csvSheet;
this.rowIndex = rowIndex;
}
@Override
public Cell createCell(int column) {
CsvCell cell = new CsvCell();
list.add(cell);
CsvCell cell = new CsvCell(this, column, null);
cellList.add(cell);
return cell;
}
@Override
public Cell createCell(int column, CellType type) {
return null;
CsvCell cell = new CsvCell(this, column, type);
cellList.add(cell);
return cell;
}
@Override
public void removeCell(Cell cell) {
cellList.remove(cell);
}
@Override
public void setRowNum(int rowNum) {
this.rowIndex = rowNum;
}
@Override
public int getRowNum() {
return 0;
return rowIndex;
}
@Override
public Cell getCell(int cellnum) {
return list.get(cellnum);
if (cellnum >= cellList.size()) {
return null;
}
return cellList.get(cellnum - 1);
}
@Override
public Cell getCell(int cellnum, MissingCellPolicy policy) {
return null;
return getCell(cellnum);
}
@Override
public short getFirstCellNum() {
if (CollectionUtils.isEmpty(cellList)) {
return -1;
}
return 0;
}
@Override
public short getLastCellNum() {
return (short)list.size();
if (CollectionUtils.isEmpty(cellList)) {
return -1;
}
return (short)cellList.size();
}
@Override
public int getPhysicalNumberOfCells() {
return 0;
return getRowNum();
}
@Override
@ -108,22 +143,22 @@ public class CsvRow implements Row {
@Override
public CellStyle getRowStyle() {
return null;
return cellStyle;
}
@Override
public void setRowStyle(CellStyle style) {
this.cellStyle = style;
}
@Override
public Iterator<Cell> cellIterator() {
return null;
return (Iterator<Cell>)(Iterator<? extends Cell>)cellList.iterator();
}
@Override
public Sheet getSheet() {
return null;
return csvSheet;
}
@Override
@ -143,6 +178,6 @@ public class CsvRow implements Row {
@Override
public Iterator<Cell> iterator() {
return null;
return cellIterator();
}
}

146
src/main/java/com/alibaba/excel/csv/CsvSheet.java → src/main/java/com/alibaba/excel/metadata/csv/CsvSheet.java

@ -1,6 +1,9 @@
package com.alibaba.excel.csv;
package com.alibaba.excel.metadata.csv;
import java.io.Closeable;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
@ -9,10 +12,11 @@ import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
import com.alibaba.excel.exception.ExcelGenerateException;
import com.alibaba.excel.util.ListUtils;
import lombok.Data;
import org.apache.commons.csv.CSVFormat;
import org.apache.commons.csv.CSVPrinter;
import org.apache.poi.ss.usermodel.AutoFilter;
@ -36,62 +40,122 @@ import org.apache.poi.ss.util.CellRangeAddress;
import org.apache.poi.ss.util.PaneInformation;
/**
* TODO
* csv sheet
*
* @author Jiaju Zhuang
*/
public class CsvSheet implements Sheet {
public static int rowCacheCount = 500;
public static Charset defaultCharset = Charset.defaultCharset();
public CSVPrinter csvPrinter;
private int lastRowNum = -1;
private List<CsvRow> rowCache = ListUtils.newArrayListWithExpectedSize(rowCacheCount);
public CsvSheet(File file) throws IOException {
csvPrinter = CSVFormat.DEFAULT.print(file, defaultCharset);
}
public CsvSheet(OutputStream outputStream) throws IOException {
csvPrinter = CSVFormat.DEFAULT.print(new OutputStreamWriter(outputStream));
@Data
public class CsvSheet implements Sheet, Closeable {
/**
* workbook
*/
private CsvWorkbook csvWorkbook;
/**
* output
*/
private Appendable out;
/**
* row cache
*/
private Integer rowCacheCount;
/**
* format
*/
public CSVFormat csvFormat;
/**
* last row index
*/
private int lastRowIndex;
/**
* row cache
*/
private List<CsvRow> rowCache;
/**
* csv printer
*/
private CSVPrinter csvPrinter;
public CsvSheet(CsvWorkbook csvWorkbook, File file, Charset charset) throws FileNotFoundException {
this.csvWorkbook = csvWorkbook;
this.out = new OutputStreamWriter(new FileOutputStream(file), charset);
this.rowCacheCount = 500;
this.csvFormat = CSVFormat.DEFAULT;
this.lastRowIndex = -1;
}
public CsvSheet(CsvWorkbook csvWorkbook, OutputStream outputStream) {
this.csvWorkbook = csvWorkbook;
this.out = new OutputStreamWriter(outputStream);
this.rowCacheCount = 500;
this.csvFormat = CSVFormat.DEFAULT;
this.lastRowIndex = -1;
}
public CsvSheet(CsvWorkbook csvWorkbook, Appendable out) {
this.csvWorkbook = csvWorkbook;
this.out = out;
this.rowCacheCount = 500;
this.csvFormat = CSVFormat.DEFAULT;
this.lastRowIndex = -1;
}
@Override
public Row createRow(int rownum) {
lastRowNum++;
assert rownum == lastRowNum : "csv create row must be in order.";
// Initialize the data when the row is first created
initSheet();
lastRowIndex++;
assert rownum == lastRowIndex : "csv create row must be in order.";
printData();
CsvRow csvRow = new CsvRow();
CsvRow csvRow = new CsvRow(this, rownum);
rowCache.add(csvRow);
return csvRow;
}
private void initSheet() {
if (csvPrinter != null) {
return;
}
rowCache = ListUtils.newArrayListWithExpectedSize(rowCacheCount);
try {
csvPrinter = csvFormat.print(out);
} catch (IOException e) {
throw new ExcelGenerateException(e);
}
}
@Override
public void removeRow(Row row) {
throw new UnsupportedOperationException("csv cannot move row.");
}
@Override
public Row getRow(int rownum) {
return null;
int actualRowIndex = rownum - (lastRowIndex - rowCache.size()) - 1;
if (actualRowIndex < 0 || actualRowIndex > rowCache.size() - 1) {
throw new UnsupportedOperationException("The current data does not exist or has been flushed to disk\n.");
}
return rowCache.get(actualRowIndex);
}
@Override
public int getPhysicalNumberOfRows() {
return 0;
return lastRowIndex - rowCache.size();
}
@Override
public int getFirstRowNum() {
if (lastRowIndex < 0) {
return -1;
}
return 0;
}
@Override
public int getLastRowNum() {
return 0;
return lastRowIndex;
}
@Override
@ -226,7 +290,7 @@ public class CsvSheet implements Sheet {
@Override
public Iterator<Row> rowIterator() {
return null;
return (Iterator<Row>)(Iterator<? extends Row>)rowCache.iterator();
}
@Override
@ -556,7 +620,7 @@ public class CsvSheet implements Sheet {
@Override
public Workbook getWorkbook() {
return null;
return csvWorkbook;
}
@Override
@ -657,23 +721,39 @@ public class CsvSheet implements Sheet {
@Override
public Iterator<Row> iterator() {
return null;
return rowIterator();
}
@Override
public void close() throws IOException {
// Avoid empty sheets
initSheet();
flushData();
csvPrinter.flush();
csvPrinter.close();
}
public void printData() {
if (rowCache.size() >= rowCacheCount) {
flushData();
rowCache.clear();
}
}
public void flushData() {
try {
for (CsvRow row : rowCache) {
csvPrinter.printRecord(row.list.stream().map(CsvCell::getStringCellValue).collect(Collectors.toList()));
Iterator<Cell> cellIterator = row.cellIterator();
while (cellIterator.hasNext()) {
CsvCell csvCell = (CsvCell)cellIterator.next();
csvPrinter.print(csvCell.getStringCellValue());
}
csvPrinter.println();
}
rowCache.clear();
} catch (IOException e) {
e.printStackTrace();
throw new ExcelGenerateException(e);
}
}
}

71
src/main/java/com/alibaba/excel/csv/CsvWorkbook.java → src/main/java/com/alibaba/excel/metadata/csv/CsvWorkbook.java

@ -1,13 +1,13 @@
package com.alibaba.excel.csv;
package com.alibaba.excel.metadata.csv;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Iterator;
import java.util.List;
import java.util.Locale;
import lombok.Data;
import org.apache.commons.compress.utils.Lists;
import org.apache.poi.ss.SpreadsheetVersion;
import org.apache.poi.ss.formula.udf.UDFFinder;
import org.apache.poi.ss.usermodel.CellStyle;
@ -22,21 +22,37 @@ import org.apache.poi.ss.usermodel.SheetVisibility;
import org.apache.poi.ss.usermodel.Workbook;
/**
* TODO
* csv workbook
*
* @author Jiaju Zhuang
*/
@Data
public class CsvWorkbook implements Workbook {
/**
* output
*/
private Appendable out;
/**
* locale
*/
private Locale locale;
/**
* data format
*/
private CsvDataFormat csvDataFormat;
/**
* sheet
*/
private CsvSheet csvSheet;
/**
* cell style
*/
private List<CsvCellStyle> csvCellStyleList;
public CsvWorkbook(InputStream inputStream, File file) {
try {
this.csvSheet = new CsvSheet(file);
} catch (IOException e) {
e.printStackTrace();
}
public CsvWorkbook(Appendable out, Locale locale) {
this.out = out;
this.locale = locale;
}
@Override
@ -91,11 +107,15 @@ public class CsvWorkbook implements Workbook {
@Override
public Sheet createSheet() {
assert csvSheet == null : "CSV repeat creation is not allowed.";
csvSheet = new CsvSheet(this, out);
return csvSheet;
}
@Override
public Sheet createSheet(String sheetname) {
assert csvSheet == null : "CSV repeat creation is not allowed.";
csvSheet = new CsvSheet(this, out);
return csvSheet;
}
@ -116,12 +136,13 @@ public class CsvWorkbook implements Workbook {
@Override
public Sheet getSheetAt(int index) {
return null;
assert index == 0 : "CSV exists only in one sheet.";
return csvSheet;
}
@Override
public Sheet getSheet(String name) {
return null;
return csvSheet;
}
@Override
@ -162,24 +183,30 @@ public class CsvWorkbook implements Workbook {
@Override
public CellStyle createCellStyle() {
return new CsvCellStyle();
if (csvCellStyleList == null) {
csvCellStyleList = Lists.newArrayList();
}
CsvCellStyle csvCellStyle = new CsvCellStyle((short)csvCellStyleList.size());
csvCellStyleList.add(csvCellStyle);
return csvCellStyle;
}
@Override
public int getNumCellStyles() {
return 0;
return csvCellStyleList.size();
}
@Override
public CellStyle getCellStyleAt(int idx) {
return null;
if (idx < 0 || idx >= csvCellStyleList.size()) {
return null;
}
return csvCellStyleList.get(idx);
}
@Override
public void write(OutputStream stream) throws IOException {
csvSheet.flushData();
csvSheet.csvPrinter.flush();
csvSheet.csvPrinter.close();
csvSheet.close();
}
@Override
@ -274,7 +301,11 @@ public class CsvWorkbook implements Workbook {
@Override
public DataFormat createDataFormat() {
return new CsvDataFormat();
if (csvDataFormat != null) {
return csvDataFormat;
}
csvDataFormat = new CsvDataFormat(locale);
return csvDataFormat;
}
@Override

15
src/main/java/com/alibaba/excel/util/WorkBookUtil.java

@ -1,8 +1,10 @@
package com.alibaba.excel.util;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import com.alibaba.excel.csv.CsvWorkbook;
import com.alibaba.excel.metadata.csv.CsvWorkbook;
import com.alibaba.excel.metadata.data.DataFormatData;
import com.alibaba.excel.metadata.data.WriteCellData;
import com.alibaba.excel.write.metadata.holder.WriteWorkbookHolder;
@ -67,12 +69,15 @@ public class WorkBookUtil {
return;
case CSV:
CsvWorkbook csvWorkbook;
if (writeWorkbookHolder.getTempTemplateInputStream() != null) {
csvWorkbook = new CsvWorkbook(writeWorkbookHolder.getTempTemplateInputStream(),
writeWorkbookHolder.getFile());
if (writeWorkbookHolder.getFile() != null) {
csvWorkbook = new CsvWorkbook(
new OutputStreamWriter(new FileOutputStream(writeWorkbookHolder.getFile()),
writeWorkbookHolder.getFileCharset()),
writeWorkbookHolder.getGlobalConfiguration().getLocale());
} else {
csvWorkbook = new CsvWorkbook(null, writeWorkbookHolder.getFile());
csvWorkbook = new CsvWorkbook(null, writeWorkbookHolder.getGlobalConfiguration().getLocale());
}
CsvWorkbook csvWorkbook = new CsvWorkbook(writeWorkbookHolder);
writeWorkbookHolder.setCachedWorkbook(csvWorkbook);
writeWorkbookHolder.setWorkbook(csvWorkbook);
return;

18
src/main/java/com/alibaba/excel/write/metadata/holder/WriteWorkbookHolder.java

@ -7,6 +7,7 @@ import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.nio.charset.Charset;
import java.util.HashMap;
import java.util.Map;
@ -64,6 +65,10 @@ public class WriteWorkbookHolder extends AbstractWriteHolder {
* If 'outputStream' and 'file' all not empty,file first
*/
private File file;
/**
* charset of final output file
*/
private Charset fileCharset;
/**
* Final output stream
*/
@ -152,11 +157,6 @@ public class WriteWorkbookHolder extends AbstractWriteHolder {
} else {
this.autoCloseStream = writeWorkbook.getAutoCloseStream();
}
try {
copyTemplate();
} catch (IOException e) {
throw new ExcelGenerateException("Copy template failure.", e);
}
if (writeWorkbook.getExcelType() == null) {
boolean isXls = (file != null && file.getName().endsWith(ExcelTypeEnum.XLS.getValue()))
|| (writeWorkbook.getTemplateFile() != null
@ -176,6 +176,11 @@ public class WriteWorkbookHolder extends AbstractWriteHolder {
} else {
this.excelType = writeWorkbook.getExcelType();
}
try {
copyTemplate();
} catch (IOException e) {
throw new ExcelGenerateException("Copy template failure.", e);
}
if (writeWorkbook.getMandatoryUseInputStream() == null) {
this.mandatoryUseInputStream = Boolean.FALSE;
} else {
@ -203,6 +208,9 @@ public class WriteWorkbookHolder extends AbstractWriteHolder {
if (writeWorkbook.getTemplateFile() == null && writeWorkbook.getTemplateInputStream() == null) {
return;
}
if (this.excelType == ExcelTypeEnum.CSV) {
throw new ExcelGenerateException("csv cannot use template.");
}
byte[] templateFileByte = null;
if (writeWorkbook.getTemplateFile() != null) {
templateFileByte = FileUtils.readFileToByteArray(writeWorkbook.getTemplateFile());

16
src/test/java/com/alibaba/easyexcel/test/core/annotation/AnnotationDataTest.java

@ -4,26 +4,27 @@ import java.io.File;
import java.util.ArrayList;
import java.util.List;
import org.junit.BeforeClass;
import org.junit.Test;
import com.alibaba.easyexcel.test.util.TestFileUtil;
import com.alibaba.excel.EasyExcel;
import com.alibaba.excel.util.DateUtils;
import org.junit.BeforeClass;
import org.junit.Test;
/**
*
* @author Jiaju Zhuang
*/
public class AnnotationDataTest {
private static File file07;
private static File file03;
private static File fileCsv;
@BeforeClass
public static void init() {
file07 = TestFileUtil.createNewFile("annotation07.xlsx");
file03 = TestFileUtil.createNewFile("annotation03.xls");
fileCsv = TestFileUtil.createNewFile("annotation.csv");
}
@Test
@ -36,6 +37,11 @@ public class AnnotationDataTest {
readAndWrite(file03);
}
@Test
public void t02ReadAndWriteCsv() throws Exception {
readAndWrite(fileCsv);
}
private void readAndWrite(File file) throws Exception {
EasyExcel.write().file(file).head(AnnotationData.class).sheet().doWrite(data());
EasyExcel.read().file(file).head(AnnotationData.class).registerReadListener(new AnnotationDataListener())
@ -43,7 +49,7 @@ public class AnnotationDataTest {
}
private List<AnnotationData> data() throws Exception {
List<AnnotationData> list = new ArrayList<AnnotationData>();
List<AnnotationData> list = new ArrayList<>();
AnnotationData data = new AnnotationData();
data.setDate(DateUtils.parseDate("2020-01-01 01:01:01"));
data.setNumber(99.99);

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