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对导出的数据整行或整列自定义样式

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fix:原setRowStyle setColumnStyle会使无数据的cell也有样式且有数据的cell的样式会被StyleSet的样式覆盖
This commit is contained in:
wenbei 2021-06-24 17:34:28 +08:00
parent 36dcc17390
commit f428120890
2 changed files with 87 additions and 0 deletions
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49
hutool-poi/src/main/java/cn/hutool/poi/excel/ExcelWriter.java
View File

@ -1091,6 +1091,28 @@ public class ExcelWriter extends ExcelBase<ExcelWriter> {
return this;
}
/**
* 对数据行整行加自定义样式 write后调用
*
* {@link cn.hutool.poi.excel.ExcelWriter#setRowStyle(int, org.apache.poi.ss.usermodel.CellStyle)}
* 这个方法加的样式会使整行没有数据的单元格也有样式
* 特别是加背景色时很不美观 且有数据的单元格样式会被StyleSet中的样式覆盖掉
* @param y 行坐标
* @param style 自定义的样式
* @return
* @since
*/
public ExcelWriter setRowStyleIfRowData(int y, CellStyle style) {
if(y < 0) {
throw new IllegalArgumentException("Invalid row number (" + y + ")");
}
int columnCount = this.getColumnCount();
for(int i=0;i<columnCount;i++){
this.setStyle(style, i, y);
}
return this;
}
/**
* 设置列的默认样式
*
@ -1104,6 +1126,33 @@ public class ExcelWriter extends ExcelBase<ExcelWriter> {
return this;
}
/**
* 设置整个列的样式 write后调用
*
* {@link cn.hutool.poi.excel.ExcelWriter#setColumnStyle(int, org.apache.poi.ss.usermodel.CellStyle)}
* 这个方法加的样式会使整列没有数据的单元格也有样式
* 特别是加背景色时很不美观 且有数据的单元格样式会被StyleSet中的样式覆盖掉
* @param x 列的索引
* @param y 行的索引
* @param style
* @return
* @since
*/
public ExcelWriter setColumnStyleIfColumnDate(int x,int y, CellStyle style) {
if(x < 0) {
throw new IllegalArgumentException("Invalid column number (" + x + ")");
}
if(y < 0) {
throw new IllegalArgumentException("Invalid row number (" + y + ")");
}
int rowCount = this.getRowCount();
int i = y;
for(;i<rowCount;i++){
this.setStyle(style, x, i);
}
return this;
}
/**
* 创建字体
*

38
hutool-poi/src/test/java/cn/hutool/poi/excel/ExcelWriteTest.java
View File

@ -38,6 +38,44 @@ import java.util.TreeMap;
* @author looly
*/
public class ExcelWriteTest {
@Test
@Ignore
public void testRowOrColumnCellStyle(){
List<?> row1 = CollUtil.newArrayList("aaaaa", "bb", "cc", "dd", DateUtil.date(), 3.22676575765);
List<?> row2 = CollUtil.newArrayList("aa1", "bb1", "cc1", "dd1", DateUtil.date(), 250.7676);
List<?> row3 = CollUtil.newArrayList("aa2", "bb2", "cc2", "dd2", DateUtil.date(), 0.111);
List<?> row4 = CollUtil.newArrayList("aa3", "bb3", "cc3", "dd3", DateUtil.date(), 35);
List<?> row5 = CollUtil.newArrayList("aa4", "bb4", "cc4", "dd4", DateUtil.date(), 28.00);
List<List<?>> rows = CollUtil.newArrayList(row1, row2, row3, row4, row5);
BigExcelWriter overtimeWriter = ExcelUtil.getBigWriter("e:/excel/single_line.xlsx");
overtimeWriter.write(rows,true);
CellStyle cellStyle = overtimeWriter.getWorkbook().createCellStyle();
StyleUtil.setBorder(cellStyle, BorderStyle.THIN, IndexedColors.BLACK);
cellStyle.setFillPattern(FillPatternType.SOLID_FOREGROUND);
cellStyle.setFillForegroundColor((short)13);
cellStyle.setDataFormat((short)22);//时间格式
cellStyle.setAlignment(HorizontalAlignment.CENTER);
cellStyle.setVerticalAlignment(VerticalAlignment.CENTER);
//给第三行加背景色
overtimeWriter.setRowStyleIfRowData(2,cellStyle);
//给第二列加背景色 从第一行开始加（用于控制有表头时）
overtimeWriter.setColumnStyleIfColumnDate(1,0,cellStyle);
CellStyle cellStyle1 = overtimeWriter.getWorkbook().createCellStyle();
StyleUtil.setBorder(cellStyle1, BorderStyle.THIN, IndexedColors.BLACK);
cellStyle1.setFillPattern(FillPatternType.SOLID_FOREGROUND);
cellStyle1.setFillForegroundColor((short)13);
cellStyle1.setDataFormat((short)2);//小数保留两位
cellStyle1.setAlignment(HorizontalAlignment.CENTER);
cellStyle1.setVerticalAlignment(VerticalAlignment.CENTER);
overtimeWriter.setStyle(cellStyle1,5,2);//由于第6列是数字 上面应用了日期格式会错乱，这里单独设置下第六列的格式
overtimeWriter.close();
}
@Test
@Ignore