yam文件

spring:
  datasource:
    type: com.alibaba.druid.pool.DruidDataSource
    driver-class-name: com.mysql.cj.jdbc.Driver
    url: jdbc:mysql://localhost:3306/shop?serverTimezone=GMT%2B8&useSSL=true&rewriteBatchedStatements=true
    username: root
    password: 123456

    @Test
    void batchAdd(){
        List<User> userList = new ArrayList<>(1000);
        long b = System.currentTimeMillis();
        for (int i = 0; i < 10000; i++){
            User user = new User();
            user.setUsername("lmj"+i);
            user.setPassword("123456");
            user.setMoney(1000);
            user.setStatus(1);
            userList.add(user);
            if(i % 1000 == 0){
                userService.saveBatch(userList);
                userList.clear();
            }
        }
        long e = System.currentTimeMillis();
        System.out.println("耗时："+(e-b));
    }