add 新增导入支持开启Validator数据验证，支持开启导入异常行继续读取，支持返回导入回执

ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelListener.java

@@ -0,0 +1,116 @@
+package com.ruoyi.common.utils.poi;
+
+import cn.hutool.core.collection.CollUtil;
+import cn.hutool.core.util.StrUtil;
+import com.alibaba.excel.context.AnalysisContext;
+import com.alibaba.excel.event.AnalysisEventListener;
+import com.alibaba.excel.exception.ExcelAnalysisException;
+import com.alibaba.excel.exception.ExcelDataConvertException;
+import com.alibaba.fastjson.JSON;
+import com.ruoyi.common.utils.ValidatorUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import javax.validation.*;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+/**
+ * 公共excel监听类
+ * @param <T>
+ */
+public class ExcelListener<T> extends AnalysisEventListener<T> {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(ExcelListener.class);
+    /** 数据对象list */
+    private final List<T> list = new ArrayList<>();
+    /** 错误信息列表 */
+    private final List<String> errorList = new ArrayList<>();
+    /** 遇到异常是否跳出导入，默认为是 */
+    private Boolean skipException = Boolean.TRUE;
+    /** 是否Validator检验，默认为是 */
+    private Boolean isValidate = Boolean.TRUE;
+    /**
+     * 导入回执
+     */
+    private final ExcelResult<T> excelResult = new ExcelResult<>();
+
+    public ExcelListener() {
+
+    }
+
+    public ExcelListener(boolean isValidate, boolean skipException) {
+        this.isValidate = isValidate;
+        this.skipException = skipException;
+    }
+
+    /**
+     * 处理异常
+     *
+     * @param exception ExcelDataConvertException
+     * @param context excel上下文
+     */
+    @Override
+    public void onException(Exception exception, AnalysisContext context) throws Exception {
+        // 如果是某一个单元格的转换异常 能获取到具体行号
+        // 如果要获取头的信息 配合doAfterAllAnalysedHeadMap使用
+        String errMsg = null;
+        if (exception instanceof ExcelDataConvertException) {
+            ExcelDataConvertException excelDataConvertException = (ExcelDataConvertException)exception;
+            errMsg = StrUtil.format("第{}行-第{}列解析异常<br/>", excelDataConvertException.getRowIndex() + 1,
+                    excelDataConvertException.getColumnIndex() + 1);
+            LOGGER.error(errMsg);
+        }
+        if (exception instanceof ConstraintViolationException) {
+            ConstraintViolationException constraintViolationException = (ConstraintViolationException)exception;
+            Set<ConstraintViolation<?>> constraintViolations = constraintViolationException.getConstraintViolations();
+            String constraintViolationsMsg= CollUtil.join(constraintViolations
+                    .stream()
+                    .map(ConstraintViolation::getMessage)
+                    .collect(Collectors.toList()),
+                ",");
+            errMsg = StrUtil.format("第{}行数据校验异常:{}", context.readRowHolder().getRowIndex() + 1,
+                constraintViolationsMsg);
+            LOGGER.error(errMsg);
+        }
+        errorList.add(errMsg);
+        if (!skipException){
+            throw new ExcelAnalysisException(errMsg);
+        }
+    }
+
+    @Override
+    public void invokeHeadMap(Map<Integer, String> headMap, AnalysisContext context) {
+        LOGGER.debug("解析到一条头数据:{}", JSON.toJSONString(headMap));
+    }
+
+    @Override
+    public void invoke(T data, AnalysisContext context) {
+        if (isValidate) {
+            ValidatorUtils.validate(data);
+        }
+        list.add(data);
+    }
+
+    @Override
+    public void doAfterAllAnalysed(AnalysisContext context) {
+        excelResult.setList(list);
+        excelResult.setErrorList(errorList);
+        LOGGER.debug("所有数据解析完成！");
+    }
+
+    /**
+     * 获取导入数据
+     * @return 导入数据
+     */
+    public List<T> getList() {
+        return list;
+    }
+
+    public ExcelResult<T> getExcelResult() {
+        return excelResult;
+    }
+
+}

ruoyi-common/src/main/java/com/ruoyi/common/utils/poi/ExcelResult.java

@@ -0,0 +1,40 @@
+package com.ruoyi.common.utils.poi;
+
+import cn.hutool.core.collection.CollUtil;
+import cn.hutool.core.util.StrUtil;
+import lombok.Data;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@Data
+public class ExcelResult<T> {
+
+    /** 数据对象list
+     */
+    private List<T> list;
+    /** 错误信息列表 */
+    private List<String> errorList;
+
+    /**
+     * 获取导入回执
+     * @return 导入回执
+     */
+    public String getAnalysis() {
+        int successCount = list.size();
+        int errorCount = errorList.size();
+        if (successCount == 0) {
+            return "读取失败，未解析到数据";
+        } else {
+            if (errorList.size() == 0) {
+                return StrUtil.format("恭喜您，全部读取成功！共{}条", successCount);
+            } else {
+                return StrUtil.format("部分读取成功，其中成功{}条，失败{}条，错误信息如下：<br/>{}",
+                    successCount,
+                    errorCount,
+                    CollUtil.join(errorList, "<br/>"));
+            }
+
+        }
+    }
+}

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

@@ -6,6 +6,7 @@ import com.alibaba.excel.write.style.column.LongestMatchColumnWidthStyleStrategy
 import com.ruoyi.common.convert.ExcelBigNumberConvert;
 import com.ruoyi.common.utils.StringUtils;
 import com.ruoyi.common.utils.file.FileUtils;
+import org.apache.poi.ss.formula.functions.T;
 
 import javax.servlet.ServletOutputStream;
 import javax.servlet.http.HttpServletResponse;
@@ -30,6 +31,19 @@ public class ExcelUtil {
 		return EasyExcel.read(is).head(clazz).autoCloseStream(false).sheet().doReadSync();
 	}
 
+
+    /**
+     * 对excel表单默认第一个索引名转换成list（EasyExcel）
+     *
+     * @param is 输入流
+     * @return 转换后集合
+     */
+    public static <T> ExcelResult<T> importExcel(InputStream is, Class<T> clazz, boolean isValidate, boolean skipException) {
+        ExcelListener<T> listener = new ExcelListener<>(isValidate, skipException);
+        EasyExcel.read(is, clazz, listener).sheet().doRead();
+        return listener.getExcelResult();
+    }
+
 	/**
 	 * 对list数据源将其里面的数据导入到excel表单（EasyExcel）
 	 *