statement, you can read strings from an open file into a variable. String variables are read line-by-line up to the first carriage return (Asc=13) or linefeed (Asc=10). Line end marks are not included in the resulting string.
语句，可以从打开的文件中读取字符串并将它写入一个变量。逐行读取字符串变量的过程在遇到第一个回车 (Asc=13) 或换行 (Asc=10) 时停止。得到的字符串中不包括行尾标记。