sfreedt的博客

String str = JSON.toJSONString(map); Map map1 = (Map)JSON.parse(map);

@Test public void test1(){ String sLong = "123131241242421"; String sShort ="24"; int i = 0; //短字符串出现的次数 int num = 0 ; while (i>= 0){ i = sLong.indexOf(sShort, i); if (i<0)