优化店员查询接口：在线店员优先显示

- 在 /wx/clerk/user/queryByPage 接口中添加排序逻辑
- 在线状态（onlineState=1）的店员优先显示在列表前面
- 离线状态（onlineState=0）的店员排在后面
- 正确处理空值情况，将 null 视为离线状态
- 在控制器层实现排序，保持服务层代码简洁

play-admin/src/main/java/com/starry/admin/modules/weichat/controller/WxClerkController.java

@@ -114,7 +114,7 @@ public class WxClerkController {
      * 店员获取个人业绩信息
      */
     @ApiOperation(value = "查询店员业绩", notes = "店员获取个人业绩信息")
-    @ApiResponses({@ApiResponse(code = 200, message = "操作成功")})
+    @ApiResponses({ @ApiResponse(code = 200, message = "操作成功") })
     @ClerkUserLogin
     @PostMapping("/user/queryPerformanceInfo")
     public R queryPerformanceInfo(
@@ -133,7 +133,7 @@ public class WxClerkController {
      * 店员获取个人等级信息
      */
     @ApiOperation(value = "查询店员等级", notes = "店员获取个人等级信息")
-    @ApiResponses({@ApiResponse(code = 200, message = "操作成功", response = PlayClerkLevelInfoReturnVo.class)})
+    @ApiResponses({ @ApiResponse(code = 200, message = "操作成功", response = PlayClerkLevelInfoReturnVo.class) })
     @ClerkUserLogin
     @GetMapping("/user/queryLevelInfo")
     public R queryLevelInfo() {
@@ -158,8 +158,8 @@ public class WxClerkController {
      * 店员获取个人信息
      */
     @ApiOperation(value = "查询店员信息", notes = "店员获取个人详细信息")
-    @ApiResponses({@ApiResponse(code = 200, message = "操作成功", response = PlayClerkUserInfoResultVo.class),
+    @ApiResponses({ @ApiResponse(code = 200, message = "操作成功", response = PlayClerkUserInfoResultVo.class),
-            @ApiResponse(code = 500, message = "用户不存在")})
+            @ApiResponse(code = 500, message = "用户不存在") })
     @ClerkUserLogin
     @GetMapping("/user/queryById")
     public R queryById() {
@@ -172,7 +172,7 @@ public class WxClerkController {
     }
 
     @ApiOperation(value = "发送验证码", notes = "店员绑定手机号发送验证码")
-    @ApiResponses({@ApiResponse(code = 200, message = "操作成功", response = String.class)})
+    @ApiResponses({ @ApiResponse(code = 200, message = "操作成功", response = String.class) })
     @ClerkUserLogin
     @PostMapping("/user/sendCode")
     public R sendCode(
@@ -186,7 +186,7 @@ public class WxClerkController {
     }
 
     @ApiOperation(value = "绑定手机号", notes = "店员绑定手机号")
-    @ApiResponses({@ApiResponse(code = 200, message = "操作成功"), @ApiResponse(code = 500, message = "验证码错误")})
+    @ApiResponses({ @ApiResponse(code = 200, message = "操作成功"), @ApiResponse(code = 500, message = "验证码错误") })
     @ClerkUserLogin
     @PostMapping("/user/bindCode")
     public R bindCode(
@@ -210,8 +210,8 @@ public class WxClerkController {
     }
 
     @ApiOperation(value = "店员申请", notes = "用户申请成为店员")
-    @ApiResponses({@ApiResponse(code = 200, message = "操作成功"), @ApiResponse(code = 500, message = "系统错误，用户不存在"),
+    @ApiResponses({ @ApiResponse(code = 200, message = "操作成功"), @ApiResponse(code = 500, message = "系统错误，用户不存在"),
-            @ApiResponse(code = 500, message = "当前用户已经是店员"), @ApiResponse(code = 500, message = "已有申请未审核")})
+            @ApiResponse(code = 500, message = "当前用户已经是店员"), @ApiResponse(code = 500, message = "已有申请未审核") })
     @ClerkUserLogin
     @PostMapping("/user/add")
     @Transactional(rollbackFor = Exception.class)
@@ -240,7 +240,7 @@ public class WxClerkController {
     }
 
     @ApiOperation(value = "更新头像", notes = "店员更新头像")
-    @ApiResponses({@ApiResponse(code = 200, message = "操作成功")})
+    @ApiResponses({ @ApiResponse(code = 200, message = "操作成功") })
     @ClerkUserLogin
     @PostMapping("/user/updateAvatar")
     public R updateAvatar(@ApiParam(value = "头像信息", required = true) @Validated @RequestBody PlayClerkUserAvatarVo vo) {
@@ -340,13 +340,34 @@ public class WxClerkController {
      * 分页获取店员列表
      *
      * @param vo
-     *            PlayClerkUserInfoQueryVo
+     *           PlayClerkUserInfoQueryVo
      * @return 店员列表
      */
     @PostMapping("/user/queryByPage")
     public R queryByPage(@RequestBody PlayClerkUserInfoQueryVo vo) {
         IPage<PlayClerkUserInfoResultVo> page = playClerkUserInfoService.selectByPage(vo,
                 customUserService.getLoginUserId());
+        // 对记录进行排序，优先显示在线店员
+        if (page.getRecords() != null && !page.getRecords().isEmpty()) {
+            page.getRecords().sort((clerk1, clerk2) -> {
+                // 在线状态优先级："1"（在线）排在"0"（离线）之前
+                String onlineState1 = clerk1.getOnlineState();
+                String onlineState2 = clerk2.getOnlineState();
+                // 如果两者在线状态相同，保持原有顺序
+                if (onlineState1 != null && onlineState2 != null) {
+                    // 反向比较，使"1"排在"0"之前
+                    return onlineState2.compareTo(onlineState1);
+                }
+                // 处理空值情况：将null视为离线状态（"0"）
+                if (onlineState1 == null && onlineState2 == null)
+                    return 0;
+                if (onlineState1 == null)
+                    return 1; // null视为离线，排在在线之后
+                if (onlineState2 == null)
+                    return -1; // null视为离线，排在在线之后
+                return onlineState2.compareTo(onlineState1);
+            });
+        }
         return R.ok(page);
     }
 
@@ -369,7 +390,7 @@ public class WxClerkController {
      * 获取店员礼物信息
      *
      * @param id
-     *            店员ID
+     *           店员ID
      * @return 店员礼物
      */
 
@@ -405,7 +426,7 @@ public class WxClerkController {
      * 获取店员价格
      *
      * @param id
-     *            店员ID
+     *           店员ID
      * @return 店员价格
      */
     @GetMapping("/user/queryPriceById")
@@ -417,7 +438,7 @@ public class WxClerkController {
      * 店员分页查询本人订单列表
      *
      * @param vo
-     *            订单列表分页查询对象
+     *           订单列表分页查询对象
      * @return com.starry.common.result.R
      * @author admin
      * @since 2024/5/8 15:57
@@ -434,7 +455,7 @@ public class WxClerkController {
      * 店员查询本人订单详情
      *
      * @param id
-     *            订单ID
+     *           订单ID
      * @return com.starry.common.result.R
      * @author admin
      * @since 2024/5/8 15:57
@@ -451,7 +472,7 @@ public class WxClerkController {
      * 店员-接单
      *
      * @param id
-     *            订单ID
+     *           订单ID
      * @return com.starry.common.result.R
      * @author admin
      * @since 2024/5/8 15:57
@@ -468,7 +489,7 @@ public class WxClerkController {
      * 店员-开始订单
      *
      * @param id
-     *            订单ID
+     *           订单ID
      * @return com.starry.common.result.R
      * @author admin
      * @since 2024/5/8 15:57
@@ -484,7 +505,7 @@ public class WxClerkController {
      * 店员-取消订单
      *
      * @param vo
-     *            取消订单传参
+     *           取消订单传参
      * @return com.starry.common.result.R
      * @author admin
      * @since 2024/5/8 15:57
@@ -501,7 +522,7 @@ public class WxClerkController {
      * 分页获取店员评价（订单评价）
      *
      * @param vo
-     *            店员评价查询对象
+     *           店员评价查询对象
      * @return 店员评价
      */
     @PostMapping("/user/queryEvaluateByPage")