package com.gs.xiaomi; import com.gs.xiaomi.service.XM104Service; import org.junit.jupiter.api.Test; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.boot.test.context.SpringBootTest; @SpringBootTest class XiaomiApplicationTests { @Autowired private XM104Service xm104Service; @Test void contextLoads() throws Exception { xm104Service.getDb(); } @Test void test() { String str = ",,"; String[] parts = str.split(","); for (String part : parts) { System.out.println(part); } } }