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easyexcel is a excel handle tools written in Java
package com.alibaba.excel.write.property;
import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import com.alibaba.excel.annotation.format.NumberFormat;
import com.alibaba.excel.annotation.write.style.ColumnWidth;
import com.alibaba.excel.annotation.write.style.ContentFontStyle;
import com.alibaba.excel.annotation.write.style.ContentLoopMerge;
import com.alibaba.excel.annotation.write.style.ContentRowHeight;
import com.alibaba.excel.annotation.write.style.ContentStyle;
import com.alibaba.excel.annotation.write.style.HeadFontStyle;
import com.alibaba.excel.annotation.write.style.HeadRowHeight;
import com.alibaba.excel.annotation.write.style.HeadStyle;
import com.alibaba.excel.annotation.write.style.OnceAbsoluteMerge;
import com.alibaba.excel.converters.ConverterKeyBuild;
import com.alibaba.excel.converters.DefaultConverterLoader;
import com.alibaba.excel.enums.CellDataTypeEnum;
import com.alibaba.excel.enums.HeadKindEnum;
import com.alibaba.excel.metadata.CellRange;
import com.alibaba.excel.metadata.Head;
import com.alibaba.excel.metadata.Holder;
import com.alibaba.excel.metadata.property.ColumnWidthProperty;
import com.alibaba.excel.metadata.property.ExcelContentProperty;
import com.alibaba.excel.metadata.property.ExcelHeadProperty;
import com.alibaba.excel.metadata.property.FontProperty;
import com.alibaba.excel.metadata.property.LoopMergeProperty;
import com.alibaba.excel.metadata.property.OnceAbsoluteMergeProperty;
import com.alibaba.excel.metadata.property.RowHeightProperty;
import com.alibaba.excel.metadata.property.StyleProperty;
/**
* Define the header attribute of excel
*
* @author jipengfei
*/
public class ExcelWriteHeadProperty extends ExcelHeadProperty {
private RowHeightProperty headRowHeightProperty;
private RowHeightProperty contentRowHeightProperty;
private OnceAbsoluteMergeProperty onceAbsoluteMergeProperty;
public ExcelWriteHeadProperty(Holder holder, Class headClazz, List> head, Boolean convertAllFiled) {
super(holder, headClazz, head, convertAllFiled);
if (getHeadKind() != HeadKindEnum.CLASS) {
return;
}
this.headRowHeightProperty =
RowHeightProperty.build((HeadRowHeight)headClazz.getAnnotation(HeadRowHeight.class));
this.contentRowHeightProperty =
RowHeightProperty.build((ContentRowHeight)headClazz.getAnnotation(ContentRowHeight.class));
this.onceAbsoluteMergeProperty =
OnceAbsoluteMergeProperty.build((OnceAbsoluteMerge)headClazz.getAnnotation(OnceAbsoluteMerge.class));
ColumnWidth parentColumnWidth = (ColumnWidth)headClazz.getAnnotation(ColumnWidth.class);
HeadStyle parentHeadStyle = (HeadStyle)headClazz.getAnnotation(HeadStyle.class);
HeadFontStyle parentHeadFontStyle = (HeadFontStyle)headClazz.getAnnotation(HeadFontStyle.class);
ContentStyle parentContentStyle = (ContentStyle)headClazz.getAnnotation(ContentStyle.class);
ContentFontStyle parentContentFontStyle = (ContentFontStyle)headClazz.getAnnotation(ContentFontStyle.class);
for (Map.Entry entry : getContentPropertyMap().entrySet()) {
Integer index = entry.getKey();
ExcelContentProperty excelContentPropertyData = entry.getValue();
Field field = excelContentPropertyData.getField();
Head headData = getHeadMap().get(index);
ColumnWidth columnWidth = field.getAnnotation(ColumnWidth.class);
if (columnWidth == null) {
columnWidth = parentColumnWidth;
}
headData.setColumnWidthProperty(ColumnWidthProperty.build(columnWidth));
HeadStyle headStyle = field.getAnnotation(HeadStyle.class);
if (headStyle == null) {
headStyle = parentHeadStyle;
}
headData.setHeadStyleProperty(StyleProperty.build(headStyle));
HeadFontStyle headFontStyle = field.getAnnotation(HeadFontStyle.class);
if (headFontStyle == null) {
headFontStyle = parentHeadFontStyle;
}
headData.setHeadFontProperty(FontProperty.build(headFontStyle));
ContentStyle contentStyle = field.getAnnotation(ContentStyle.class);
if (contentStyle == null) {
contentStyle = parentContentStyle;
}
headData.setContentStyleProperty(StyleProperty.build(contentStyle));
ContentFontStyle contentFontStyle = field.getAnnotation(ContentFontStyle.class);
if (contentFontStyle == null) {
contentFontStyle = parentContentFontStyle;
}
headData.setContentFontProperty(FontProperty.build(contentFontStyle));
headData.setLoopMergeProperty(LoopMergeProperty.build(field.getAnnotation(ContentLoopMerge.class)));
// If have @NumberFormat, 'NumberStringConverter' is specified by default
if (excelContentPropertyData.getConverter() == null) {
NumberFormat numberFormat = field.getAnnotation(NumberFormat.class);
if (numberFormat != null) {
excelContentPropertyData.setConverter(DefaultConverterLoader.loadAllConverter()
.get(ConverterKeyBuild.buildKey(field.getType(), CellDataTypeEnum.STRING)));
}
}
}
}
public RowHeightProperty getHeadRowHeightProperty() {
return headRowHeightProperty;
}
public void setHeadRowHeightProperty(RowHeightProperty headRowHeightProperty) {
this.headRowHeightProperty = headRowHeightProperty;
}
public RowHeightProperty getContentRowHeightProperty() {
return contentRowHeightProperty;
}
public void setContentRowHeightProperty(RowHeightProperty contentRowHeightProperty) {
this.contentRowHeightProperty = contentRowHeightProperty;
}
public OnceAbsoluteMergeProperty getOnceAbsoluteMergeProperty() {
return onceAbsoluteMergeProperty;
}
public void setOnceAbsoluteMergeProperty(OnceAbsoluteMergeProperty onceAbsoluteMergeProperty) {
this.onceAbsoluteMergeProperty = onceAbsoluteMergeProperty;
}
/**
* Calculate all cells that need to be merged
*
* @return cells that need to be merged
*/
public List headCellRangeList() {
List cellRangeList = new ArrayList();
Set alreadyRangeSet = new HashSet();
List headList = new ArrayList(getHeadMap().values());
for (int i = 0; i < headList.size(); i++) {
Head head = headList.get(i);
List headNameList = head.getHeadNameList();
for (int j = 0; j < headNameList.size(); j++) {
if (alreadyRangeSet.contains(i + "-" + j)) {
continue;
}
alreadyRangeSet.add(i + "-" + j);
String headName = headNameList.get(j);
int lastCol = i;
int lastRow = j;
for (int k = i + 1; k < headList.size(); k++) {
if (headList.get(k).getHeadNameList().get(j).equals(headName)) {
alreadyRangeSet.add(k + "-" + j);
lastCol = k;
} else {
break;
}
}
Set tempAlreadyRangeSet = new HashSet();
outer:
for (int k = j + 1; k < headNameList.size(); k++) {
for (int l = i; l <= lastCol; l++) {
if (headList.get(l).getHeadNameList().get(k).equals(headName)) {
tempAlreadyRangeSet.add(l + "-" + k);
} else {
break outer;
}
}
lastRow = k;
alreadyRangeSet.addAll(tempAlreadyRangeSet);
}
if (j == lastRow && i == lastCol) {
continue;
}
cellRangeList.add(new CellRange(j, lastRow, i, lastCol));
}
}
return cellRangeList;
}
}