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支持自定义隐藏Excel属性列

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RuoYi
2022-07-21 13:52:05 +08:00
parent bc8b5f1079
commit 7cc9d17424
1 changed files with 36 additions and 16 deletions
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52
ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelUtil.java
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@@ -22,6 +22,7 @@ import java.util.Set;
import java.util.UUID; import java.util.UUID;
import java.util.stream.Collectors; import java.util.stream.Collectors;
import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpServletResponse;
import org.apache.commons.lang3.ArrayUtils;
import org.apache.commons.lang3.RegExUtils; import org.apache.commons.lang3.RegExUtils;
import org.apache.poi.hssf.usermodel.HSSFClientAnchor; import org.apache.poi.hssf.usermodel.HSSFClientAnchor;
import org.apache.poi.hssf.usermodel.HSSFPicture; import org.apache.poi.hssf.usermodel.HSSFPicture;
@@ -163,11 +164,27 @@ public class ExcelUtil<T>
*/ */
public Class<T> clazz; public Class<T> clazz;
/**
* 需要排除列属性
*/
public String[] excludeFields;
public ExcelUtil(Class<T> clazz) public ExcelUtil(Class<T> clazz)
{ {
this.clazz = clazz; this.clazz = clazz;
} }
/**
* 隐藏Excel中列属性
*
* @param fields 列属性名 示例[单个"name"/多个"id","name"]
* @throws Exception
*/
public void hideColumn(String... fields)
{
this.excludeFields = fields;
}
public void init(List<T> list, String sheetName, String title, Type type) public void init(List<T> list, String sheetName, String title, Type type)
{ {
if (list == null) if (list == null)
@@ -1202,30 +1219,33 @@ public class ExcelUtil<T>
tempFields.addAll(Arrays.asList(clazz.getDeclaredFields())); tempFields.addAll(Arrays.asList(clazz.getDeclaredFields()));
for (Field field : tempFields) for (Field field : tempFields)
{ {
// 单注解 if (!ArrayUtils.contains(this.excludeFields, field.getName()))
if (field.isAnnotationPresent(Excel.class))
{ {
Excel attr = field.getAnnotation(Excel.class); // 单注解
if (attr != null && (attr.type() == Type.ALL || attr.type() == type)) if (field.isAnnotationPresent(Excel.class))
{
field.setAccessible(true);
fields.add(new Object[] { field, attr });
}
}
// 多注解
if (field.isAnnotationPresent(Excels.class))
{
Excels attrs = field.getAnnotation(Excels.class);
Excel[] excels = attrs.value();
for (Excel attr : excels)
{ {
Excel attr = field.getAnnotation(Excel.class);
if (attr != null && (attr.type() == Type.ALL || attr.type() == type)) if (attr != null && (attr.type() == Type.ALL || attr.type() == type))
{ {
field.setAccessible(true); field.setAccessible(true);
fields.add(new Object[] { field, attr }); fields.add(new Object[] { field, attr });
} }
} }
// 多注解
if (field.isAnnotationPresent(Excels.class))
{
Excels attrs = field.getAnnotation(Excels.class);
Excel[] excels = attrs.value();
for (Excel attr : excels)
{
if (attr != null && (attr.type() == Type.ALL || attr.type() == type))
{
field.setAccessible(true);
fields.add(new Object[] { field, attr });
}
}
}
} }
} }
return fields; return fields;