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/service/impl/SystemUsersServiceImpl.java

@@ -1,9 +1,14 @@
 package com.yupi.springbootinit.service.impl;
 
+import cn.hutool.core.date.DateUnit;
+import cn.hutool.core.date.DateUtil;
 import cn.hutool.crypto.SecureUtil;
 import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
+import com.yupi.springbootinit.mapper.SystemTenantMapper;
+import com.yupi.springbootinit.model.entity.SystemTenant;
 import com.yupi.springbootinit.model.entity.SystemUsers;
+import com.yupi.springbootinit.service.SystemTenantService;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Service;
 
@@ -24,10 +29,14 @@ public class SystemUsersServiceImpl extends ServiceImpl<SystemUsersMapper,System
     @Value("${md5.salt}")
     private String MD5_SALT;
 
+    @Resource
+    private SystemTenantMapper systemTenantMapper;
+
     @Override
-    public SystemUsers getUserByUserName(String username) {
+    public SystemUsers getUserByUserName(String username,Long tenantId) {
         QueryWrapper <SystemUsers> queryWrapper = new QueryWrapper<>();
         queryWrapper.eq("username",username);
+        queryWrapper.eq("tenant_id",tenantId);
         return baseMapper.selectOne(queryWrapper);
     }
 
@@ -36,4 +45,22 @@ public class SystemUsersServiceImpl extends ServiceImpl<SystemUsersMapper,System
         String s = SecureUtil.md5(MD5_SALT + rawPassword);
         return s.equals(encodedPassword);
     }
+
+    @Override
+    public boolean isExpired(Long tendId) {
+        SystemTenant systemTenant = systemTenantMapper.selectById(tendId);
+        long between = DateUtil.between(systemTenant.getExpireTime(), DateUtil.date(), DateUnit.DAY);
+        return between < 0;
+    }
+
+    @Override
+    public Long getTenantExpiredTime(Long tenantId) {
+        SystemTenant systemTenant = systemTenantMapper.selectById(tenantId);
+        long between = DateUtil.between(systemTenant.getExpireTime(), DateUtil.date(), DateUnit.SECOND);
+        if (between > 0 ) {
+            return between;
+        }
+        return 0L;
+
+    }
 }