build(backend): switch to thin-jar layout (split libs into target/lib); cho...

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昨天 c8dffd157cd8b62023b26e62a0b92c152d959423

 backend/src/main/java/com/rongyichuang/user/service/UserService.java

@@ -126,6 +126,13 @@
    }

    /**
     * 根据微信openid查找用户
     */
    public Optional<User> findByWxOpenid(String wxOpenid) {
        return userRepository.findByWxOpenid(wxOpenid);
    }

    /**
     * 保存用户
     */
    public User save(User user) {