package helper; import base.DemoVo; import com.yanzuoguang.util.base.CollectionString; import com.yanzuoguang.util.helper.StringHelper; import org.junit.Test; import java.util.ArrayList; import java.util.Arrays; import java.util.List; public class TestCollectionString { @Test public void testCh() { List mapList = new ArrayList<>(Arrays.asList( new DemoVo("1", "颜佐光"), new DemoVo("10000", "成吉思汗"), new DemoVo("10001", "毛泽东") )); System.out.println(CollectionString.getCollectionString("人名:", mapList)); System.out.println(CollectionString.getCollectionString(StringHelper.EMPTY, mapList)); } @Test public void testEn() { List mapList = new ArrayList<>(Arrays.asList( new DemoVo("1", "yan zuo guang"), new DemoVo("10000", "chen jie si han"), new DemoVo("10001", "mao ze dong") )); System.out.println(CollectionString.getCollectionString(StringHelper.EMPTY, mapList)); System.out.println(CollectionString.getCollectionString("人名:", mapList)); } }