package com.example.jz.dao; import com.example.jz.exception.BusinessException; import com.example.jz.modle.vo.GroupUserVo; import org.junit.jupiter.api.Test; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.boot.test.context.SpringBootTest; import java.util.List; import static org.junit.jupiter.api.Assertions.*; /** * @author 安瑾然 * @data 2022/7/14 - 1:49 PM * @description */ @SpringBootTest class GroupDaoTest { private GroupDao groupDao; @Autowired public void setGroupDao(GroupDao groupDao) { this.groupDao = groupDao; } @Test void getAllUser() { String str ="http://42.193.1.25:9000/img/2022/12/27/851da62efac5431c8c313a757a14e327.jpeg" + "?X-Amz-Algorithm=AWS4-HMAC-SHA256&X-Amz-Credential=satori%2F20221227%2Fus-east-1%2Fs3%2Faws4_request&X-Amz-Date" + "=20221227T034709Z&X-Amz-Expires=604800&X-Amz-SignedHeaders=host&X-Amz-Signature=" + "c584eaa85b7f22420541e53f6e36d681bbc4aeb0ef07272538689dea7ee112b4"; int imgIndexFirst = str.indexOf("/img"); int imgIndexEnd= str.indexOf("?"); System.out.println(str.substring(imgIndexFirst+5,imgIndexEnd)); } }