[feat] 新增项目信息管理模块

yudao-framework/yudao-spring-boot-starter-excel/src/main/java/cn/iocoder/yudao/framework/excel/core/convert/ListToStringConvert.java

@@ -0,0 +1,38 @@
+package cn.iocoder.yudao.framework.excel.core.convert;
+
+import com.alibaba.excel.converters.Converter;
+import com.alibaba.excel.enums.CellDataTypeEnum;
+import com.alibaba.excel.metadata.GlobalConfiguration;
+import com.alibaba.excel.metadata.data.WriteCellData;
+import com.alibaba.excel.metadata.property.ExcelContentProperty;
+
+import java.util.List;
+
+/**
+ * @author hhyykk
+ * @description
+ * @date 2024/7/6
+ */
+public class ListToStringConvert  implements Converter<Object> {
+    @Override
+    public Class<?> supportJavaTypeKey() {
+        return List.class;
+    }
+
+    @Override
+    public CellDataTypeEnum supportExcelTypeKey() {
+        return CellDataTypeEnum.STRING;
+    }
+
+    @Override
+    public WriteCellData<?> convertToExcelData(Object object, ExcelContentProperty contentProperty,
+                                               GlobalConfiguration globalConfiguration) throws Exception {
+        if (object == null) {
+            return new WriteCellData<>("");
+        }
+        String value = String.valueOf(object);
+        // 拼接字符串,逗号隔开
+//        String result = value.replace("[", "").replace("]", "").replace(" ", "");
+        return new WriteCellData<>(value);
+    }
+}