feat: 添加数据库支持，保存测算记录

- 添加Spring Data JPA和H2/MySQL数据库依赖
- 创建DeductRecord实体类，保存测算记录
- 创建DeductRecordRepository和DeductRecordService
- 创建RecordController，提供记录查询和删除API
- 修改BaZiController，保存测算结果到数据库
- 配置H2数据库用于开发，MySQL用于生产环境

src/main/java/xuan/controller/BaZiController.java

@@ -1,12 +1,16 @@
 package xuan.controller;
 
+import com.alibaba.fastjson.JSON;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.*;
 import xuan.core.bazi.BaZi;
 import xuan.core.bazi.settings.BaZiJiChuSetting;
 import xuan.core.bazi.settings.BaZiShenShaSetting;
 import xuan.core.bazi.settings.BaZiGanZhiLiuYiSetting;
+import xuan.entity.DeductRecord;
 import xuan.service.HunYuanAiService;
 import xuan.service.PromptTemplates;
+import xuan.service.DeductRecordService;
 
 import java.util.HashMap;
 import java.util.Map;
@@ -16,6 +20,9 @@ import java.util.Map;
 public class BaZiController {
 
     private final HunYuanAiService aiService = new HunYuanAiService();
+    
+    @Autowired
+    private DeductRecordService recordService;
 
     @PostMapping("/paipan")
     public Map<String, Object> paiPan(@RequestBody BaZiRequest request) {
@@ -49,6 +56,20 @@ public class BaZiController {
             );
             data.put("aiAnalysis", aiAnalysis);
 
+            DeductRecord record = new DeductRecord();
+            record.setUserId(request.getUserId() != null ? request.getUserId() : "default_user");
+            record.setType("bazi");
+            record.setName(request.getName() != null ? request.getName() : "某人");
+            record.setOccupy(request.getOccupy());
+            record.setSex(request.getSex());
+            record.setInputDate(request.getDate());
+            record.setInputData(JSON.toJSONString(request));
+            record.setResultData(JSON.toJSONString(data));
+            record.setAiAnalysis(aiAnalysis);
+            recordService.saveRecord(record);
+            
+            data.put("recordId", record.getId());
+
             result.put("success", true);
             result.put("data", data);
         } catch (Exception e) {
@@ -94,6 +115,7 @@ public class BaZiController {
     }
 
     public static class BaZiRequest {
+        private String userId;
         private String name;
         private String occupy;
         private Integer sex;
@@ -109,6 +131,8 @@ public class BaZiController {
         private Integer monthGanZhiType;
         private Integer dayGanZhiType;
 
+        public String getUserId() { return userId; }
+        public void setUserId(String userId) { this.userId = userId; }
         public String getName() { return name; }
         public void setName(String name) { this.name = name; }
         public String getOccupy() { return occupy; }

src/main/java/xuan/controller/RecordController.java

@@ -0,0 +1,110 @@
+package xuan.controller;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.web.bind.annotation.*;
+import xuan.entity.DeductRecord;
+import xuan.service.DeductRecordService;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.Optional;
+
+@RestController
+@RequestMapping("/api/records")
+public class RecordController {
+    
+    @Autowired
+    private DeductRecordService recordService;
+    
+    @GetMapping("/list")
+    public Map<String, Object> getRecords(@RequestParam String userId) {
+        Map<String, Object> result = new HashMap<>();
+        try {
+            List<DeductRecord> records = recordService.findByUserId(userId);
+            result.put("success", true);
+            result.put("data", records);
+        } catch (Exception e) {
+            result.put("success", false);
+            result.put("error", e.getMessage());
+        }
+        return result;
+    }
+    
+    @GetMapping("/recent")
+    public Map<String, Object> getRecentRecords(@RequestParam String userId) {
+        Map<String, Object> result = new HashMap<>();
+        try {
+            List<DeductRecord> records = recordService.findRecentByUserId(userId);
+            result.put("success", true);
+            result.put("data", records);
+        } catch (Exception e) {
+            result.put("success", false);
+            result.put("error", e.getMessage());
+        }
+        return result;
+    }
+    
+    @GetMapping("/type")
+    public Map<String, Object> getRecordsByType(
+            @RequestParam String userId,
+            @RequestParam String type) {
+        Map<String, Object> result = new HashMap<>();
+        try {
+            List<DeductRecord> records = recordService.findByUserIdAndType(userId, type);
+            result.put("success", true);
+            result.put("data", records);
+        } catch (Exception e) {
+            result.put("success", false);
+            result.put("error", e.getMessage());
+        }
+        return result;
+    }
+    
+    @GetMapping("/detail")
+    public Map<String, Object> getRecordDetail(@RequestParam Long id) {
+        Map<String, Object> result = new HashMap<>();
+        try {
+            Optional<DeductRecord> record = recordService.findById(id);
+            if (record.isPresent()) {
+                result.put("success", true);
+                result.put("data", record.get());
+            } else {
+                result.put("success", false);
+                result.put("error", "记录不存在");
+            }
+        } catch (Exception e) {
+            result.put("success", false);
+            result.put("error", e.getMessage());
+        }
+        return result;
+    }
+    
+    @DeleteMapping("/delete")
+    public Map<String, Object> deleteRecord(@RequestParam Long id) {
+        Map<String, Object> result = new HashMap<>();
+        try {
+            recordService.deleteById(id);
+            result.put("success", true);
+            result.put("message", "删除成功");
+        } catch (Exception e) {
+            result.put("success", false);
+            result.put("error", e.getMessage());
+        }
+        return result;
+    }
+    
+    @DeleteMapping("/clear")
+    public Map<String, Object> clearRecords(@RequestParam String userId) {
+        Map<String, Object> result = new HashMap<>();
+        try {
+            recordService.deleteByUserId(userId);
+            result.put("success", true);
+            result.put("message", "清空成功");
+        } catch (Exception e) {
+            result.put("success", false);
+            result.put("error", e.getMessage());
+        }
+        return result;
+    }
+}