前面赞最多的好像是错的,这里贴一下菜鸡自己的代码:
public static int compare(String version1, String version2) { String[] split1 = version1.split("[.]"); String[] split2 = version2.split("[.]"); int len = Math.min(split1.length, split2.length); for (int i = 0; i < len; i++) { if (Integer.parseInt(split1[i]) > Integer.parseInt(split2[i])) return 1; else if (Integer.parseInt(split1[i]) < Integer.parseInt(split2[i])) return -1; } String[] split3 = split1.length>split2.length?split1:split2; for (int i = len;i<split3.length;i++){ if (Integer.parseInt(split3[i])!=0) return split1.length>split2.length?1:-1; } return 0; }