feat: register logic refactor

src/main/java/xin/merlin/myplayerbackend/service/LoginService.java

@@ -0,0 +1,29 @@
+package xin.merlin.myplayerbackend.service;
+
+
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import xin.merlin.myplayerbackend.entity.Account;
+import xin.merlin.myplayerbackend.mapper.AccountMapper;
+import xin.merlin.myplayerbackend.utils.result.Response;
+import xin.merlin.myplayerbackend.utils.result.ResultCode;
+
+@Service
+@RequiredArgsConstructor
+public class LoginService{
+
+    private final AccountMapper accountMapper;
+
+    public Response login(Account account){
+        Account ta = accountMapper.selectOne(new QueryWrapper<Account>().eq("account",account.getAccount()));
+        if(ta == null) return Response.success(ResultCode.USER_NOT_FOUND);
+
+        //TODO:111
+        return null;
+    }
+
+
+
+
+}