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@@ -4,7 +4,9 @@ import cn.hutool.core.util.IdUtil;
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import com.alibaba.excel.EasyExcel;
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import com.alibaba.excel.write.style.column.LongestMatchColumnWidthStyleStrategy;
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import com.ruoyi.common.convert.ExcelBigNumberConvert;
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-import com.ruoyi.common.utils.DictUtils;
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+import com.ruoyi.common.excel.DefaultExcelListener;
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+import com.ruoyi.common.excel.ExcelListener;
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+import com.ruoyi.common.excel.ExcelResult;
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import com.ruoyi.common.utils.StringUtils;
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import com.ruoyi.common.utils.file.FileUtils;
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@@ -21,129 +23,133 @@ import java.util.List;
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*/
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public class ExcelUtil {
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- /**
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- * 对excel表单默认第一个索引名转换成list(EasyExcel)
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- *
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- * @param is 输入流
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- * @return 转换后集合
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- */
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- public static <T> List<T> importExcel(InputStream is, Class<T> clazz) {
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- return EasyExcel.read(is).head(clazz).autoCloseStream(false).sheet().doReadSync();
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- }
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+ /**
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+ * 同步导入(适用于小数据量)
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+ *
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+ * @param is 输入流
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+ * @return 转换后集合
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+ */
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+ public static <T> List<T> importExcel(InputStream is, Class<T> clazz) {
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+ return EasyExcel.read(is).head(clazz).autoCloseStream(false).sheet().doReadSync();
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+ }
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- /**
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- * 对list数据源将其里面的数据导入到excel表单(EasyExcel)
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- *
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- * @param list 导出数据集合
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- * @param sheetName 工作表的名称
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- * @return 结果
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- */
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- public static <T> void exportExcel(List<T> list, String sheetName, Class<T> clazz, HttpServletResponse response) {
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- try {
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- String filename = encodingFilename(sheetName);
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- response.reset();
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- FileUtils.setAttachmentResponseHeader(response, filename);
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- response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;charset=UTF-8");
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- ServletOutputStream os = response.getOutputStream();
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- EasyExcel.write(os, clazz)
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- .autoCloseStream(false)
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- // 自动适配
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- .registerWriteHandler(new LongestMatchColumnWidthStyleStrategy())
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- // 大数值自动转换 防止失真
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- .registerConverter(new ExcelBigNumberConvert())
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- .sheet(sheetName).doWrite(list);
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- } catch (IOException e) {
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- throw new RuntimeException("导出Excel异常");
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- }
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- }
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- /**
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- * 解析导出值 0=男,1=女,2=未知
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- *
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- * @param propertyValue 参数值
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- * @param converterExp 翻译注解
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- * @param separator 分隔符
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- * @return 解析后值
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- */
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- public static String convertByExp(String propertyValue, String converterExp, String separator) {
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- StringBuilder propertyString = new StringBuilder();
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- String[] convertSource = converterExp.split(",");
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- for (String item : convertSource) {
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- String[] itemArray = item.split("=");
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- if (StringUtils.containsAny(separator, propertyValue)) {
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- for (String value : propertyValue.split(separator)) {
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- if (itemArray[0].equals(value)) {
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- propertyString.append(itemArray[1] + separator);
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- break;
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- }
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- }
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- } else {
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- if (itemArray[0].equals(propertyValue)) {
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- return itemArray[1];
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- }
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- }
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- }
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- return StringUtils.stripEnd(propertyString.toString(), separator);
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- }
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+ /**
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+ * 使用校验监听器 异步导入 同步返回
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+ *
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+ * @param is 输入流
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+ * @param clazz 对象类型
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+ * @param isValidate 是否 Validator 检验 默认为是
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+ * @return 转换后集合
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+ */
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+ public static <T> ExcelResult<T> importExcel(InputStream is, Class<T> clazz, boolean isValidate) {
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+ DefaultExcelListener<T> listener = new DefaultExcelListener<>(isValidate);
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+ EasyExcel.read(is, clazz, listener).sheet().doRead();
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+ return listener.getExcelResult();
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+ }
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- /**
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- * 反向解析值 男=0,女=1,未知=2
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- *
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- * @param propertyValue 参数值
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- * @param converterExp 翻译注解
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- * @param separator 分隔符
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- * @return 解析后值
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- */
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- public static String reverseByExp(String propertyValue, String converterExp, String separator) {
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- StringBuilder propertyString = new StringBuilder();
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- String[] convertSource = converterExp.split(",");
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- for (String item : convertSource) {
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- String[] itemArray = item.split("=");
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- if (StringUtils.containsAny(separator, propertyValue)) {
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- for (String value : propertyValue.split(separator)) {
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- if (itemArray[1].equals(value)) {
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- propertyString.append(itemArray[0] + separator);
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- break;
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- }
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- }
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- } else {
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- if (itemArray[1].equals(propertyValue)) {
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- return itemArray[0];
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- }
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- }
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- }
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- return StringUtils.stripEnd(propertyString.toString(), separator);
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- }
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+ /**
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+ * 使用自定义监听器 异步导入 自定义返回
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+ *
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+ * @param is 输入流
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+ * @param clazz 对象类型
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+ * @param listener 自定义监听器
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+ * @return 转换后集合
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+ */
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+ public static <T> ExcelResult<T> importExcel(InputStream is, Class<T> clazz, ExcelListener<T> listener) {
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+ EasyExcel.read(is, clazz, listener).sheet().doRead();
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+ return listener.getExcelResult();
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+ }
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- /**
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- * 解析字典值
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- *
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- * @param dictValue 字典值
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- * @param dictType 字典类型
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- * @param separator 分隔符
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- * @return 字典标签
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- */
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- public static String convertDictByExp(String dictValue, String dictType, String separator) {
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- return DictUtils.getDictLabel(dictType, dictValue, separator);
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- }
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+ /**
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+ * 导出excel
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+ *
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+ * @param list 导出数据集合
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+ * @param sheetName 工作表的名称
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+ * @return 结果
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+ */
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+ public static <T> void exportExcel(List<T> list, String sheetName, Class<T> clazz, HttpServletResponse response) {
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+ try {
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+ String filename = encodingFilename(sheetName);
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+ response.reset();
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+ FileUtils.setAttachmentResponseHeader(response, filename);
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+ response.setContentType("application/vnd.openxmlformats-officedocument.spreadsheetml.sheet;charset=UTF-8");
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+ ServletOutputStream os = response.getOutputStream();
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+ EasyExcel.write(os, clazz)
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+ .autoCloseStream(false)
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+ // 自动适配
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+ .registerWriteHandler(new LongestMatchColumnWidthStyleStrategy())
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+ // 大数值自动转换 防止失真
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+ .registerConverter(new ExcelBigNumberConvert())
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+ .sheet(sheetName).doWrite(list);
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+ } catch (IOException e) {
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+ throw new RuntimeException("导出Excel异常");
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+ }
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+ }
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- /**
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- * 反向解析值字典值
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- *
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- * @param dictLabel 字典标签
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- * @param dictType 字典类型
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- * @param separator 分隔符
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- * @return 字典值
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- */
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- public static String reverseDictByExp(String dictLabel, String dictType, String separator) {
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- return DictUtils.getDictValue(dictType, dictLabel, separator);
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- }
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+ /**
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+ * 解析导出值 0=男,1=女,2=未知
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+ *
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+ * @param propertyValue 参数值
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+ * @param converterExp 翻译注解
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+ * @param separator 分隔符
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+ * @return 解析后值
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+ */
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+ public static String convertByExp(String propertyValue, String converterExp, String separator) {
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+ StringBuilder propertyString = new StringBuilder();
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+ String[] convertSource = converterExp.split(",");
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+ for (String item : convertSource) {
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+ String[] itemArray = item.split("=");
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+ if (StringUtils.containsAny(separator, propertyValue)) {
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+ for (String value : propertyValue.split(separator)) {
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+ if (itemArray[0].equals(value)) {
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+ propertyString.append(itemArray[1] + separator);
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+ break;
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+ }
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+ }
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+ } else {
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+ if (itemArray[0].equals(propertyValue)) {
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+ return itemArray[1];
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+ }
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+ }
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+ }
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+ return StringUtils.stripEnd(propertyString.toString(), separator);
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+ }
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- /**
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- * 编码文件名
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- */
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- public static String encodingFilename(String filename) {
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- return IdUtil.fastSimpleUUID() + "_" + filename + ".xlsx";
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- }
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+ /**
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+ * 反向解析值 男=0,女=1,未知=2
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+ *
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+ * @param propertyValue 参数值
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+ * @param converterExp 翻译注解
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+ * @param separator 分隔符
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+ * @return 解析后值
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+ */
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+ public static String reverseByExp(String propertyValue, String converterExp, String separator) {
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+ StringBuilder propertyString = new StringBuilder();
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+ String[] convertSource = converterExp.split(",");
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+ for (String item : convertSource) {
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+ String[] itemArray = item.split("=");
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+ if (StringUtils.containsAny(separator, propertyValue)) {
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+ for (String value : propertyValue.split(separator)) {
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+ if (itemArray[1].equals(value)) {
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+ propertyString.append(itemArray[0] + separator);
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+ break;
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+ }
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+ }
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+ } else {
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+ if (itemArray[1].equals(propertyValue)) {
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+ return itemArray[0];
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+ }
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+ }
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+ }
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+ return StringUtils.stripEnd(propertyString.toString(), separator);
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+ }
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+
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+ /**
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+ * 编码文件名
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+ */
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+ public static String encodingFilename(String filename) {
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+ return IdUtil.fastSimpleUUID() + "_" + filename + ".xlsx";
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+ }
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}
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