feat: 添加微信小程序多端登录 code2VerifyInfo 接口支持

weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/api/WxMaUserService.java

@@ -1,5 +1,6 @@
 package cn.binarywang.wx.miniapp.api;
 
+import cn.binarywang.wx.miniapp.bean.WxMaCode2VerifyInfoResult;
 import cn.binarywang.wx.miniapp.bean.WxMaJscode2SessionResult;
 import cn.binarywang.wx.miniapp.bean.WxMaPhoneNumberInfo;
 import cn.binarywang.wx.miniapp.bean.WxMaUserInfo;
@@ -87,4 +88,18 @@ public interface WxMaUserService {
    * @return .
    */
   boolean checkUserInfo(String sessionKey, String rawData, String signature);
+
+  /**
+   * 多端登录验证接口.
+   * <p>
+   * 通过 code 换取用户登录态信息，用于多端登录场景（如手表端）。
+   * </p>
+   * 文档地址：<a href="https://developers.weixin.qq.com/miniprogram/dev/platform-capabilities/miniapp/openapi/code2Verifyinfo.html">多端登录</a>
+   *
+   * @param code      登录时获取的 code
+   * @param checkcode 手表授权页面返回的 checkcode
+   * @return 登录验证结果，包含 session_key、openid、unionid 和 is_limit 字段
+   * @throws WxErrorException 调用微信接口失败时抛出
+   */
+  WxMaCode2VerifyInfoResult getCode2VerifyInfo(String code, String checkcode) throws WxErrorException;
 }

weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/api/impl/WxMaUserServiceImpl.java

@@ -2,6 +2,7 @@
 
 import cn.binarywang.wx.miniapp.api.WxMaService;
 import cn.binarywang.wx.miniapp.api.WxMaUserService;
+import cn.binarywang.wx.miniapp.bean.WxMaCode2VerifyInfoResult;
 import cn.binarywang.wx.miniapp.bean.WxMaJscode2SessionResult;
 import cn.binarywang.wx.miniapp.bean.WxMaPhoneNumberInfo;
 import cn.binarywang.wx.miniapp.bean.WxMaUserInfo;
@@ -18,6 +19,7 @@
 
 import java.util.Map;
 
+import static cn.binarywang.wx.miniapp.constant.WxMaApiUrlConstants.User.CODE_2_VERIFY_INFO_URL;
 import static cn.binarywang.wx.miniapp.constant.WxMaApiUrlConstants.User.GET_PHONE_NUMBER_URL;
 import static cn.binarywang.wx.miniapp.constant.WxMaApiUrlConstants.User.SET_USER_STORAGE;
 
@@ -86,4 +88,13 @@ public boolean checkUserInfo(String sessionKey, String rawData, String signature
     return generatedSignature.equals(signature);
   }
 
+  @Override
+  public WxMaCode2VerifyInfoResult getCode2VerifyInfo(String code, String checkcode) throws WxErrorException {
+    JsonObject param = new JsonObject();
+    param.addProperty("code", code);
+    param.addProperty("checkcode", checkcode);
+    String responseContent = this.service.post(CODE_2_VERIFY_INFO_URL, param.toString());
+    return WxMaCode2VerifyInfoResult.fromJson(responseContent);
+  }
+
 }

weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/bean/WxMaCode2VerifyInfoResult.java

@@ -0,0 +1,44 @@
+package cn.binarywang.wx.miniapp.bean;
+
+import cn.binarywang.wx.miniapp.json.WxMaGsonBuilder;
+import com.google.gson.annotations.SerializedName;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+
+import java.io.Serializable;
+
+/**
+ * <pre>
+ * 多端登录验证接口的响应
+ * 文档地址：https://developers.weixin.qq.com/miniprogram/dev/platform-capabilities/miniapp/openapi/code2Verifyinfo.html
+ *
+ * 微信返回报文：{"errcode": 0, "errmsg": "ok", "session_key":"xxx", "openid":"xxx", "unionid":"xxx", "is_limit": false}
+ * </pre>
+ *
+ * @author <a href="https://github.com/binarywang">Binary Wang</a>
+ */
+@Data
+@EqualsAndHashCode(callSuper = false)
+public class WxMaCode2VerifyInfoResult implements Serializable {
+  private static final long serialVersionUID = -2468325025088437364L;
+
+  @SerializedName("session_key")
+  private String sessionKey;
+
+  @SerializedName("openid")
+  private String openid;
+
+  @SerializedName("unionid")
+  private String unionid;
+
+  /**
+   * 是否为受限用户
+   */
+  @SerializedName("is_limit")
+  private Boolean isLimit;
+
+  public static WxMaCode2VerifyInfoResult fromJson(String json) {
+    return WxMaGsonBuilder.create().fromJson(json, WxMaCode2VerifyInfoResult.class);
+  }
+
+}

weixin-java-miniapp/src/main/java/cn/binarywang/wx/miniapp/constant/WxMaApiUrlConstants.java

@@ -364,6 +364,8 @@ public interface User {
     String SET_USER_STORAGE =
         "https://api.weixin.qq.com/wxa/set_user_storage?appid=%s&signature=%s&openid=%s&sig_method=%s";
     String GET_PHONE_NUMBER_URL = "https://api.weixin.qq.com/wxa/business/getuserphonenumber";
+    /** 多端登录验证接口 */
+    String CODE_2_VERIFY_INFO_URL = "https://api.weixin.qq.com/wxa/sec/checkcode2verifyinfo";
   }
 
   public interface Ocr {