把一个长字符串分解成若干个固定长度的短字符串,由于事先不知道长字符串的长度,以及短字符串的数量,只能使用List. public static void get_list_sbody(String s){ // 计数变量 int num = 0; // 每行的字符数 int r_num = 27; // 字符串 String sx = new String(""); lst_sbody = new ArrayList(); char[] cr =s.toCharArray(); for
problom : 'f1' value hava been changed when output. reason : the binary repersentation of 2.2f is : 00110011001100110011... (is an infinite recurring decimal) but computer only store 24 byte , so discard the remaining number , lead to the value has b