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Excel注解支持设置BigDecimal精度&舍入规则

This commit is contained in:
RuoYi 2020-08-19 11:20:31 +08:00
parent 7de5358dcd
commit da146c2a70
2 changed files with 26 additions and 3 deletions
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13
ruoyi-common/src/main/java/com/ruoyi/common/annotation/Excel.java
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@ -4,6 +4,7 @@ import java.lang.annotation.ElementType;
import java.lang.annotation.Retention; import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy; import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target; import java.lang.annotation.Target;
import java.math.BigDecimal;
/** /**
* 自定义导出Excel数据注解 * 自定义导出Excel数据注解
@ -30,7 +31,7 @@ public @interface Excel
public String dateFormat() default ""; public String dateFormat() default "";
/** /**
* 如果是字典类型，请设置字典的type值 * 如果是字典类型，请设置字典的type值 (如: sys_user_sex)
*/ */
public String dictType() default ""; public String dictType() default "";
@ -44,6 +45,16 @@ public @interface Excel
*/ */
public String separator() default ","; public String separator() default ",";
/**
* BigDecimal 精度 默认:-1(默认不开启BigDecimal格式化)
*/
public int scale() default -1;
/**
* BigDecimal 舍入规则 默认:BigDecimal.ROUND_HALF_EVEN
*/
public int roundingMode() default BigDecimal.ROUND_HALF_EVEN;
/** /**
* 导出类型（0数字 1字符串） * 导出类型（0数字 1字符串）
*/ */

16
ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
View File

@ -8,6 +8,7 @@ import java.io.OutputStream;
import java.lang.reflect.Field; import java.lang.reflect.Field;
import java.lang.reflect.Method; import java.lang.reflect.Method;
import java.math.BigDecimal; import java.math.BigDecimal;
import java.text.DecimalFormat;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.Arrays; import java.util.Arrays;
import java.util.Comparator; import java.util.Comparator;
@ -546,10 +547,14 @@ public class ExcelUtil<T>
{ {
cell.setCellValue(convertByExp(Convert.toStr(value), readConverterExp, separator)); cell.setCellValue(convertByExp(Convert.toStr(value), readConverterExp, separator));
} }
else if (StringUtils.isNotEmpty(dictType)) else if (StringUtils.isNotEmpty(dictType) && StringUtils.isNotNull(value))
{ {
cell.setCellValue(convertDictByExp(Convert.toStr(value), dictType, separator)); cell.setCellValue(convertDictByExp(Convert.toStr(value), dictType, separator));
} }
else if (value instanceof BigDecimal && -1 != attr.scale())
{
cell.setCellValue((((BigDecimal) value).setScale(attr.scale(), attr.roundingMode())).toString());
}
else else
{ {
// 设置列类型 // 设置列类型
@ -896,7 +901,14 @@ public class ExcelUtil<T>
} }
else else
{ {
val = new BigDecimal(val.toString()); // 浮点格式处理 if ((Double) val % 1 > 0)
{
val = new BigDecimal(val.toString());
}
else
{
val = new DecimalFormat("0").format(val);
}
} }
} }
else if (cell.getCellTypeEnum() == CellType.STRING) else if (cell.getCellTypeEnum() == CellType.STRING)