package com.example.jz.dao;

import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.context.SpringBootTest;

/**
 * @author 安瑾然
 * @data 2022/7/18 - 11:49 AM
 * @description
 */
@SpringBootTest
class UserDaoTest {

    @Autowired
    private UserDao userDao;

    @Test
    void updateUser() {
        String str = "XXO";
        int conut = 0;
        for (char c : str.toCharArray()) {
            if (c != 'O') {
                conut++;
            }
        }
        System.out.println(conut);
    }
}