补充客户信息

src/main/java/com/rj/dto/NearbyMerchantItem.java

@@ -0,0 +1,21 @@
+package com.rj.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.NoArgsConstructor;
+
+/**
+ * 高德周边 POI 中的一条商家记录（与 {@code AllShopCollectorV5} 解析字段一致）。
+ */
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+public class NearbyMerchantItem {
+
+    private String name;
+    private String address;
+    private String tel;
+    private String type;
+    /** 经纬度，格式 "lng,lat" */
+    private String location;
+}

src/main/java/com/rj/dto/NearbyMerchantSearchResult.java

@@ -0,0 +1,43 @@
+package com.rj.dto;
+
+import lombok.Getter;
+
+import java.util.Collections;
+import java.util.List;
+
+/**
+ * 根据城市+地址做地理编码后，按半径周边搜索商家的结果。
+ */
+@Getter
+public class NearbyMerchantSearchResult {
+
+    private final int httpStatus;
+    private final boolean success;
+    private final String message;
+    private final String centerLocation;
+    private final List<NearbyMerchantItem> merchants;
+    /** 高德返回的本次检索总条数（字符串），可能大于已拉取页数之和 */
+    private final String totalCount;
+
+    private NearbyMerchantSearchResult(int httpStatus, boolean success, String message,
+                                       String centerLocation, List<NearbyMerchantItem> merchants, String totalCount) {
+        this.httpStatus = httpStatus;
+        this.success = success;
+        this.message = message;
+        this.centerLocation = centerLocation;
+        this.merchants = merchants == null ? Collections.emptyList() : merchants;
+        this.totalCount = totalCount;
+    }
+
+    public static NearbyMerchantSearchResult ok(String centerLocation, List<NearbyMerchantItem> merchants, String totalCount) {
+        return new NearbyMerchantSearchResult(200, true, "查询成功", centerLocation, merchants, totalCount);
+    }
+
+    public static NearbyMerchantSearchResult badRequest(String message) {
+        return new NearbyMerchantSearchResult(400, false, message, null, Collections.emptyList(), null);
+    }
+
+    public static NearbyMerchantSearchResult serverError(String message) {
+        return new NearbyMerchantSearchResult(500, false, message, null, Collections.emptyList(), null);
+    }
+}