WEB：导出数据设备

fys-modules/fys-equipment/src/main/java/com/fuyuanshen/equipment/converter/IgnoreFailedImageConverter.java

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+package com.fuyuanshen.equipment.converter;
+
+import com.alibaba.excel.converters.Converter;
+import com.alibaba.excel.metadata.GlobalConfiguration;
+import com.alibaba.excel.metadata.data.WriteCellData;
+import com.alibaba.excel.metadata.property.ExcelContentProperty;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.ByteArrayOutputStream;
+import java.io.InputStream;
+import java.net.URL;
+import java.net.URLConnection;
+
+/**
+ * @author: 默苍璃
+ * @date: 2025-06-0618:56
+ */
+
+public class IgnoreFailedImageConverter implements Converter<URL> {
+    private static final Logger logger = LoggerFactory.getLogger(IgnoreFailedImageConverter.class);
+
+    @Override
+    public Class<?> supportJavaTypeKey() {
+        return URL.class;
+    }
+
+    // @Override
+    // public CellDataTypeEnum supportExcelTypeKey() {
+    //     return CellDataTypeEnum.STRING;
+    // }
+
+    @Override
+    public WriteCellData<?> convertToExcelData(URL value, ExcelContentProperty contentProperty, GlobalConfiguration globalConfiguration) {
+        if (value == null) {
+            return null;
+        }
+
+        try {
+            URLConnection conn = value.openConnection();
+            conn.setConnectTimeout(2000);  // 2秒超时
+            conn.setReadTimeout(3000);     // 3秒超时
+
+            try (InputStream inputStream = conn.getInputStream()) {
+                // byte[] bytes = FileUtils.readInputStream(inputStream, value.toString());
+                // 替代 FileUtils.readInputStream 的自定义方法
+                byte[] bytes = readInputStream(inputStream);
+                return new WriteCellData<>(bytes);
+            }
+        } catch (Exception e) {
+            // 静默忽略错误，只记录日志
+            logger.debug("忽略图片加载失败: {}, 原因: {}", value, e.getMessage());
+            // return null;  // 返回null表示不写入图片
+            return new WriteCellData<>(new byte[0]); // 返回空数组而不是 null
+        }
+    }
+
+    /**
+     * 替代 FileUtils.readInputStream 的自定义方法
+     *
+     * @param inputStream 输入流
+     * @return 字节数组
+     * @throws Exception 读取异常
+     */
+    private byte[] readInputStream(InputStream inputStream) throws Exception {
+        ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
+        byte[] buffer = new byte[8192];
+        int bytesRead;
+
+        while ((bytesRead = inputStream.read(buffer)) != -1) {
+            outputStream.write(buffer, 0, bytesRead);
+        }
+
+        return outputStream.toByteArray();
+    }
+}

fys-modules/fys-equipment/src/main/java/com/fuyuanshen/equipment/converter/ImageReadConverter.java

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+package com.fuyuanshen.equipment.converter;// package com.fuyuanshen.modules.system.converter;
+//
+// import com.alibaba.excel.converters.Converter;
+// import com.alibaba.excel.enums.CellDataTypeEnum;
+// import com.alibaba.excel.metadata.GlobalConfiguration;
+// import com.alibaba.excel.metadata.data.ReadCellData;
+// import com.alibaba.excel.metadata.property.ExcelContentProperty;
+//
+// import java.io.ByteArrayOutputStream;
+// import java.io.IOException;
+//
+// /**
+//  * @author: 默苍璃
+//  * @date: 2025-06-0710:01
+//  */
+//
+// public class ImageReadConverter implements Converter<byte[]> {
+//
+//     @Override
+//     public Class<?> supportJavaTypeKey() {
+//         return byte[].class;
+//     }
+//
+//     // @Override
+//     // public CellDataTypeEnum supportExcelTypeKey() {
+//     //     return CellDataTypeEnum.IMAGE;
+//     // }
+//
+//     @Override
+//     public byte[] convertToJavaData(ReadCellData<?> cellData, ExcelContentProperty contentProperty, GlobalConfiguration globalConfiguration) throws IOException {
+//         if (cellData.getType() == CellDataTypeEnum.IMAGE) {
+//             ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
+//             cellData.getImageValueList().forEach(image -> {
+//                 try {
+//                     outputStream.write(image.getImageBytes());
+//                 } catch (IOException e) {
+//                     throw new RuntimeException(e);
+//                 }
+//             });
+//             return outputStream.toByteArray();
+//         }
+//         return null;
+//     }
+// }