新增：

1.用户登录时判断租户是否过期，在登录时赋予 token有效期为当前租户到期时间和当前日期的差值；
2.实现租户名查 租户 Id 接口

src/main/java/com/yupi/springbootinit/controller/TenantController.java

@@ -0,0 +1,36 @@
+package com.yupi.springbootinit.controller;
+
+import com.yupi.springbootinit.common.BaseResponse;
+import com.yupi.springbootinit.common.ErrorCode;
+import com.yupi.springbootinit.common.ResultUtils;
+import com.yupi.springbootinit.exception.BusinessException;
+import com.yupi.springbootinit.model.vo.user.SystemUsersVO;
+import com.yupi.springbootinit.service.SystemTenantService;
+import lombok.extern.slf4j.Slf4j;
+import org.springframework.web.bind.annotation.*;
+
+import javax.annotation.Resource;
+
+/*
+ * @author: ziin
+ * @date: 2025/6/20 15:18
+ */
+@RestController
+@RequestMapping("/tenant")
+@Slf4j
+@CrossOrigin
+public class TenantController {
+
+    @Resource
+    private SystemTenantService systemTenantService;
+
+    @GetMapping("/get-id-by-name")
+    public BaseResponse<Long> getTenantIdByName(@RequestParam("name") String name) {
+        if (name == null) {
+            throw new BusinessException(ErrorCode.PARAMS_ERROR);
+        }
+        return ResultUtils.success( systemTenantService.getTenantIdByName(name));
+
+    }
+
+}