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Pre Merge pull request !625 from AprilWind/dev-excel

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AprilWind 2024-12-24 03:04:28 +00:00 committed by Gitee
commit c08f18dfa5
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1 changed files with 20 additions and 0 deletions
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ruoyi-common/ruoyi-common-excel/src/main/java/org/dromara/common/excel/utils/ExcelUtil.java
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@ -186,6 +186,23 @@ public class ExcelUtil {
*/ */
public static <T> void exportExcel(List<T> list, String sheetName, Class<T> clazz, boolean merge, public static <T> void exportExcel(List<T> list, String sheetName, Class<T> clazz, boolean merge,
OutputStream os, List<DropDownOptions> options) { OutputStream os, List<DropDownOptions> options) {
exportExcel(list, sheetName, clazz, merge, os, options, null);
}
/**
* 导出Excel（支持自定义字段列选择）
*
* @param list 导出数据集合
* @param sheetName 工作表的名称
* @param clazz 实体类，用于定义Excel列的映射
* @param merge 是否合并单元格
* @param os 输出流，用于将生成的Excel写入指定位置
* @param options 下拉框选项配置
* @param fieldNames 自定义导出的字段名称集合，可控制导出的列范围
* @param <T> 数据类型的泛型
*/
public static <T> void exportExcel(List<T> list, String sheetName, Class<T> clazz, boolean merge,
OutputStream os, List<DropDownOptions> options, List<String> fieldNames) {
ExcelWriterSheetBuilder builder = EasyExcel.write(os, clazz) ExcelWriterSheetBuilder builder = EasyExcel.write(os, clazz)
.autoCloseStream(false) .autoCloseStream(false)
// 自动适配 // 自动适配
@ -194,6 +211,9 @@ public class ExcelUtil {
.registerConverter(new ExcelBigNumberConvert()) .registerConverter(new ExcelBigNumberConvert())
.registerWriteHandler(new DataWriteHandler(clazz)) .registerWriteHandler(new DataWriteHandler(clazz))
.sheet(sheetName); .sheet(sheetName);
if (CollUtil.isNotEmpty(fieldNames)) {
builder.includeColumnFieldNames(fieldNames);
}
if (merge) { if (merge) {
// 合并处理器 // 合并处理器
builder.registerWriteHandler(new CellMergeStrategy(list, true)); builder.registerWriteHandler(new CellMergeStrategy(list, true));