界面设定的内容需要按特定格式组合到条码、二维码中

src/main/java/com/gaotao/modules/base/service/Impl/LabelDataProcessorServiceImpl.java

@@ -19,10 +19,12 @@ import java.time.format.DateTimeFormatter;
 import java.time.temporal.ChronoUnit;
 import java.util.ArrayList;
 import java.util.Date;
+import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
+import java.util.stream.Collectors;
 
 /**
  * 标签数据处理服务实现类
@@ -45,22 +47,68 @@ public class LabelDataProcessorServiceImpl implements LabelDataProcessorService
         }
 
         List<ReportLabelList> processedElements = new ArrayList<>();
+        
+        // 第一轮处理：处理基本数据替换（不包含元素组合）
+        List<ReportLabelList> firstPassElements = new ArrayList<>();
         for (ReportLabelList element : elements) {
             ReportLabelList processedElement = processElementData(element, dataMap);
+            firstPassElements.add(processedElement);
+        }
+        
+        // 第二轮处理：处理元素组合引用
+        for (ReportLabelList element : firstPassElements) {
+            ReportLabelList finalElement = processElementCombinations(element, dataMap, firstPassElements);
+            
             // 如果元素被设置为不显示，则跳过该元素
             if (("onecode".equals(element.getType()) || "qrcode".equals(element.getType())
                     || "text".equals(element.getType()) || "pic".equals(element.getType()))
-                && processedElement.getData().isEmpty()
-                && BigDecimal.ZERO.equals(processedElement.getWidth())) {
+                && finalElement.getData().isEmpty()
+                && BigDecimal.ZERO.equals(finalElement.getWidth())) {
                 log.debug("跳过不显示的元素: type={}, showElement={}", element.getType(), element.getShowElement());
                 continue;
             }
-            processedElements.add(processedElement);
+            processedElements.add(finalElement);
         }
 
         return processedElements;
     }
 
+    /**
+     * 处理元素组合引用
+     */
+    private ReportLabelList processElementCombinations(ReportLabelList element, Map<String, Object> dataMap, 
+                                                     List<ReportLabelList> allElements) {
+        if (element == null || element.getData() == null || element.getData().isEmpty()) {
+            return element;
+        }
+
+        String originalData = element.getData();
+        
+        // 检查是否包含元素引用
+        if (containsElementReferences(originalData)) {
+            ReportLabelList processedElement = copyElement(element);
+            String combinedData = processElementCombination(originalData, dataMap, allElements, element);
+            processedElement.setData(combinedData);
+            log.debug("处理元素组合: 原始数据={}, 组合后数据={}", originalData, combinedData);
+            return processedElement;
+        }
+
+        return element;
+    }
+
+    /**
+     * 检查数据中是否包含元素引用
+     */
+    private boolean containsElementReferences(String data) {
+        if (data == null || data.isEmpty()) {
+            return false;
+        }
+        
+        // 检查是否包含 {元素类型} 格式的引用（排除 #{字段名} 格式）
+        Pattern pattern = Pattern.compile("\\{(?!#)[^}]+\\}");
+        return pattern.matcher(data).find() || data.startsWith("CUSTOM:");
+    }
+
     @Override
     public ReportLabelList processElementData(ReportLabelList element, Map<String, Object> dataMap) {
         if (element == null || element.getData() == null || element.getData().isEmpty()) {
@@ -93,7 +141,14 @@ public class LabelDataProcessorServiceImpl implements LabelDataProcessorService
                 break;
             case "onecode":
             case "qrcode":
+                // 检查是否包含元素组合引用
+                if (containsElementReferences(originalData)) {
+                    // 需要传入所有元素列表来处理组合
+                    // 这里暂时使用基本的数据源替换，完整的组合处理在processLabelData中进行
+                    processedElement.setData(replaceDataSourceFields(originalData, dataMap));
+                } else {
                     processedElement.setData(replaceDataSourceFields(originalData, dataMap));
+                }
                 break;
             case "serialNumber":
                 // 处理流水号元素，生成真实的流水号
@@ -152,6 +207,237 @@ public class LabelDataProcessorServiceImpl implements LabelDataProcessorService
         return new CoordinateTransformer.CanvasSize(width, height, name, description);
     }
 
+    /**
+     * 处理元素组合数据
+     * 支持将多个元素的内容按特定格式组合
+     */
+    private String processElementCombination(String originalData, Map<String, Object> dataMap, 
+                                           List<ReportLabelList> allElements, ReportLabelList currentElement) {
+        if (originalData == null || originalData.isEmpty()) {
+            return originalData;
+        }
+
+        // 检查是否是自定义表达式模式
+        if (originalData.startsWith("CUSTOM:")) {
+            return processCustomCombination(originalData.substring(7), dataMap, allElements);
+        }
+
+        // 处理模板模式的元素引用 {元素类型} 或 {元素类型(内容)}
+        String processedData = originalData;
+        
+        // 创建元素映射，便于查找
+        Map<String, ReportLabelList> elementMap = new HashMap<>();
+        for (ReportLabelList element : allElements) {
+            if (element != currentElement) { // 排除自身
+                String elementKey = getElementDisplayName(element);
+                elementMap.put(elementKey, element);
+            }
+        }
+
+        // 替换元素引用
+        Pattern elementPattern = Pattern.compile("\\{([^}]+)\\}");
+        Matcher matcher = elementPattern.matcher(processedData);
+        StringBuffer result = new StringBuffer();
+
+        while (matcher.find()) {
+            String reference = matcher.group(1);
+            String replacement = "";
+
+            // 检查是否是数据源字段引用 #{fieldName}
+            if (reference.startsWith("#{") && reference.endsWith("}")) {
+                String fieldName = reference.substring(2, reference.length() - 1);
+                Object value = dataMap.get(fieldName);
+                replacement = value != null ? value.toString() : "";
+            } else {
+                // 查找匹配的元素
+                ReportLabelList referencedElement = findElementByReference(reference, elementMap);
+                if (referencedElement != null) {
+                    // 递归处理引用的元素数据
+                    replacement = processElementData(referencedElement, dataMap).getData();
+                    if (replacement == null) {
+                        replacement = "";
+                    }
+                } else {
+                    // 如果找不到匹配的元素，保持原样
+                    replacement = "{" + reference + "}";
+                }
+            }
+
+            matcher.appendReplacement(result, Matcher.quoteReplacement(replacement));
+        }
+        matcher.appendTail(result);
+
+        return result.toString();
+    }
+
+    /**
+     * 处理自定义组合表达式
+     */
+    private String processCustomCombination(String expression, Map<String, Object> dataMap, 
+                                          List<ReportLabelList> allElements) {
+        try {
+            // 这里可以实现简单的表达式处理
+            // 为了安全起见，只支持有限的操作
+            
+            // 示例：支持简单的字符串拼接和条件判断
+            if (expression.contains("elements.filter")) {
+                return processElementsFilter(expression, allElements, dataMap);
+            } else if (expression.contains("dataMap.")) {
+                return processDataMapAccess(expression, dataMap);
+            }
+            
+            // 默认返回表达式本身
+            return expression;
+        } catch (Exception e) {
+            log.error("处理自定义组合表达式失败: {}", expression, e);
+            return "ERROR: " + e.getMessage();
+        }
+    }
+
+    /**
+     * 处理元素过滤表达式
+     */
+    private String processElementsFilter(String expression, List<ReportLabelList> allElements, 
+                                       Map<String, Object> dataMap) {
+        // 简单实现：elements.filter(e => e.type === 'text').map(e => e.data).join('-')
+        if (expression.contains("e.type === 'text'")) {
+            List<String> textData = allElements.stream()
+                .filter(e -> "text".equals(e.getType()))
+                .map(e -> e.getData() != null ? e.getData() : "")
+                .collect(Collectors.toList());
+            
+            String separator = "-";
+            if (expression.contains(".join('")) {
+                int start = expression.indexOf(".join('") + 7;
+                int end = expression.indexOf("')", start);
+                if (end > start) {
+                    separator = expression.substring(start, end);
+                }
+            }
+            
+            return String.join(separator, textData);
+        }
+        
+        return expression;
+    }
+
+    /**
+     * 处理数据映射访问表达式
+     */
+    private String processDataMapAccess(String expression, Map<String, Object> dataMap) {
+        // 简单实现：dataMap.fieldName
+        Pattern pattern = Pattern.compile("dataMap\\.([a-zA-Z_][a-zA-Z0-9_]*)");
+        Matcher matcher = pattern.matcher(expression);
+        StringBuffer result = new StringBuffer();
+        
+        while (matcher.find()) {
+            String fieldName = matcher.group(1);
+            Object value = dataMap.get(fieldName);
+            String replacement = value != null ? value.toString() : "";
+            matcher.appendReplacement(result, Matcher.quoteReplacement(replacement));
+        }
+        matcher.appendTail(result);
+        
+        return result.toString();
+    }
+
+    /**
+     * 根据引用查找元素
+     */
+    private ReportLabelList findElementByReference(String reference, Map<String, ReportLabelList> elementMap) {
+        // 直接匹配
+        if (elementMap.containsKey(reference)) {
+            return elementMap.get(reference);
+        }
+
+        // 检查是否是带内容的引用格式：文本(内容) 或 类型(内容)
+        Pattern contentPattern = Pattern.compile("^(文本|一维码|二维码|图片|流水号)\\((.+)\\)$");
+        Matcher contentMatcher = contentPattern.matcher(reference);
+        
+        if (contentMatcher.matches()) {
+            String typeName = contentMatcher.group(1);
+            String expectedContent = contentMatcher.group(2);
+            
+            // 根据类型名称获取对应的类型键
+            String targetType = getTypeKeyByName(typeName);
+            if (targetType != null) {
+                // 精确匹配：同时匹配类型和内容
+                for (ReportLabelList element : elementMap.values()) {
+                    if (targetType.equals(element.getType()) && 
+                        expectedContent.equals(element.getData())) {
+                        log.debug("精确匹配到元素: type={}, data={}", element.getType(), element.getData());
+                        return element;
+                    }
+                }
+                
+                // 如果精确匹配失败，尝试部分内容匹配
+                for (ReportLabelList element : elementMap.values()) {
+                    if (targetType.equals(element.getType()) && 
+                        element.getData() != null && 
+                        element.getData().contains(expectedContent)) {
+                        log.debug("部分匹配到元素: type={}, data={}, expected={}", 
+                                element.getType(), element.getData(), expectedContent);
+                        return element;
+                    }
+                }
+            }
+        }
+
+        // 模糊匹配（按类型）- 只有在没有内容指定时才使用
+        String[] typeNames = {"文本", "一维码", "二维码", "图片", "流水号"};
+        String[] typeKeys = {"text", "onecode", "qrcode", "pic", "serialNumber"};
+        
+        for (int i = 0; i < typeNames.length; i++) {
+            if (reference.equals(typeNames[i])) { // 改为精确匹配类型名称
+                // 返回该类型的第一个元素（保持向后兼容）
+                for (ReportLabelList element : elementMap.values()) {
+                    if (typeKeys[i].equals(element.getType())) {
+                        log.debug("类型匹配到元素: type={}, data={}", element.getType(), element.getData());
+                        return element;
+                    }
+                }
+            }
+        }
+
+        log.warn("未找到匹配的元素引用: {}", reference);
+        return null;
+    }
+    
+    /**
+     * 根据类型名称获取类型键
+     */
+    private String getTypeKeyByName(String typeName) {
+        switch (typeName) {
+            case "文本": return "text";
+            case "一维码": return "onecode";
+            case "二维码": return "qrcode";
+            case "图片": return "pic";
+            case "流水号": return "serialNumber";
+            default: return null;
+        }
+    }
+
+    /**
+     * 获取元素显示名称
+     */
+    private String getElementDisplayName(ReportLabelList element) {
+        Map<String, String> typeNames = new HashMap<>();
+        typeNames.put("text", "文本");
+        typeNames.put("onecode", "一维码");
+        typeNames.put("qrcode", "二维码");
+        typeNames.put("pic", "图片");
+        typeNames.put("serialNumber", "流水号");
+
+        String typeName = typeNames.getOrDefault(element.getType(), element.getType());
+        String content = element.getData() != null && !element.getData().isEmpty() 
+            ? "(" + (element.getData().length() > 10 
+                ? element.getData().substring(0, 10) + "..." 
+                : element.getData()) + ")"
+            : "";
+        
+        return typeName + content;
+    }
+
     /**
      * 处理文本元素，支持数字、日期、字符串格式化
      */