更新处理器

internal/domains/api/services/processors/shujubao_recursive_parse.go

@@ -0,0 +1,58 @@
+package processors
+
+import (
+	"encoding/json"
+	"fmt"
+)
+
+// RecursiveParse 将数据宝等返回中嵌套的 JSON 字符串递归解析为结构化数据。
+func RecursiveParse(data interface{}) (interface{}, error) {
+	switch v := data.(type) {
+	case string:
+		trimmed := trimSpace(v)
+		if trimmed == "" {
+			return v, nil
+		}
+		if !json.Valid([]byte(trimmed)) {
+			return v, nil
+		}
+		var inner interface{}
+		if err := json.Unmarshal([]byte(trimmed), &inner); err != nil {
+			return v, nil
+		}
+		return RecursiveParse(inner)
+	case map[string]interface{}:
+		out := make(map[string]interface{}, len(v))
+		for k, val := range v {
+			parsed, err := RecursiveParse(val)
+			if err != nil {
+				return nil, fmt.Errorf("解析字段 %s 失败: %w", k, err)
+			}
+			out[k] = parsed
+		}
+		return out, nil
+	case []interface{}:
+		out := make([]interface{}, len(v))
+		for i, val := range v {
+			parsed, err := RecursiveParse(val)
+			if err != nil {
+				return nil, fmt.Errorf("解析数组下标 %d 失败: %w", i, err)
+			}
+			out[i] = parsed
+		}
+		return out, nil
+	default:
+		return data, nil
+	}
+}
+
+func trimSpace(s string) string {
+	start, end := 0, len(s)
+	for start < end && (s[start] == ' ' || s[start] == '\n' || s[start] == '\r' || s[start] == '\t') {
+		start++
+	}
+	for end > start && (s[end-1] == ' ' || s[end-1] == '\n' || s[end-1] == '\r' || s[end-1] == '\t') {
+		end--
+	}
+	return s[start:end]
+}