数组转字符串
@Test public void testString() { List<String> list = new ArrayList<>(Arrays.asList("1","2","3")); System.out.println(StringUtils.join(list, ",")); }
@Test public void testString() { List<String> list = new ArrayList<>(Arrays.asList("1","2","3")); System.out.println(StringUtils.join(list, ",")); }