feat(pay): 新增支付渠道列表接口

- 新增 GET /pay/channel/list 按 appId 返回渠道列表
- Service/Mapper 补充按应用查询全部支付渠道
- 列表转换时清空 config，避免密钥和证书配置下发到列表页
- 保持 /pay/channel/get 返回完整配置用于编辑详情

yudao-module-pay/src/main/java/cn/iocoder/yudao/module/pay/controller/admin/channel/PayChannelController.java

@@ -71,6 +71,15 @@ public class PayChannelController {
         return success(PayChannelConvert.INSTANCE.convert(channel));
     }
 
+    @GetMapping("/list")
+    @Operation(summary = "获得指定应用的支付渠道列表")
+    @Parameter(name = "appId", description = "应用编号", required = true, example = "1")
+    @PreAuthorize("@ss.hasPermission('pay:channel:query')")
+    public CommonResult<List<PayChannelRespVO>> getChannelList(@RequestParam("appId") Long appId) {
+        List<PayChannelDO> list = channelService.getChannelListByAppId(appId);
+        return success(PayChannelConvert.INSTANCE.convertList(list));
+    }
+
     @GetMapping("/get-enable-code-list")
     @Operation(summary = "获得指定应用的开启的支付渠道编码列表")
     @Parameter(name = "appId", description = "应用编号", required = true, example = "1")

yudao-module-pay/src/main/java/cn/iocoder/yudao/module/pay/convert/channel/PayChannelConvert.java

@@ -1,6 +1,7 @@
 package cn.iocoder.yudao.module.pay.convert.channel;
 
 import cn.iocoder.yudao.framework.common.pojo.PageResult;
+import cn.iocoder.yudao.framework.common.util.collection.CollectionUtils;
 import cn.iocoder.yudao.module.pay.controller.admin.channel.vo.PayChannelCreateReqVO;
 import cn.iocoder.yudao.module.pay.controller.admin.channel.vo.PayChannelRespVO;
 import cn.iocoder.yudao.module.pay.controller.admin.channel.vo.PayChannelUpdateReqVO;
@@ -9,6 +10,8 @@ import org.mapstruct.Mapper;
 import org.mapstruct.Mapping;
 import org.mapstruct.factory.Mappers;
 
+import java.util.List;
+
 @Mapper
 public interface PayChannelConvert {
 
@@ -23,6 +26,15 @@ public interface PayChannelConvert {
     @Mapping(target = "config",expression = "java(cn.iocoder.yudao.framework.common.util.json.JsonUtils.toJsonString(bean.getConfig()))")
     PayChannelRespVO convert(PayChannelDO bean);
 
+    default List<PayChannelRespVO> convertList(List<PayChannelDO> list) {
+        // 列表不下发 config（密钥/证书），详情接口再返回完整配置
+        return CollectionUtils.convertList(list, channel -> {
+            PayChannelRespVO vo = convert(channel);
+            vo.setConfig(null);
+            return vo;
+        });
+    }
+
     PageResult<PayChannelRespVO> convertPage(PageResult<PayChannelDO> page);
 
 }

yudao-module-pay/src/main/java/cn/iocoder/yudao/module/pay/dal/mysql/channel/PayChannelMapper.java

@@ -28,4 +28,8 @@ public interface PayChannelMapper extends BaseMapperX<PayChannelDO> {
                 .eq(PayChannelDO::getStatus, status));
     }
 
+    default List<PayChannelDO> selectListByAppId(Long appId) {
+        return selectList(PayChannelDO::getAppId, appId);
+    }
+
 }

yudao-module-pay/src/main/java/cn/iocoder/yudao/module/pay/service/channel/PayChannelService.java

@@ -93,6 +93,14 @@ public interface PayChannelService {
      */
     List<PayChannelDO> getEnableChannelList(Long appId);
 
+    /**
+     * 获得指定应用的渠道列表
+     *
+     * @param appId 应用编号
+     * @return 渠道列表
+     */
+    List<PayChannelDO> getChannelListByAppId(Long appId);
+
     /**
      * 获得指定编号的支付客户端
      *

yudao-module-pay/src/main/java/cn/iocoder/yudao/module/pay/service/channel/PayChannelServiceImpl.java

@@ -156,6 +156,11 @@ public class PayChannelServiceImpl implements PayChannelService {
         return payChannelMapper.selectListByAppId(appId, CommonStatusEnum.ENABLE.getStatus());
     }
 
+    @Override
+    public List<PayChannelDO> getChannelListByAppId(Long appId) {
+        return payChannelMapper.selectListByAppId(appId);
+    }
+
     @Override
     public PayClient getPayClient(Long id) {
         PayChannelDO channel = validPayChannel(id);