从文件输入任意M进制的数，转换为十进制数，以字符形式从文件输入数x，算法实现将x的每一位数字与M的幂相乘最后相加。将十进制转换为其他任意进制有利用数组(shi_array)和栈(initstack)两种方法。将M进制的数转换为其他任意进制时，需要先将M进制的数x转换为十进制数，再利用shi_array和栈函数实现十进制向其他进制的转换。要特别注意M进制的数x中包含的数字不能超过M以及字符型的数字包括1~9和A~F。将结果再保存在文件中。-Input　a file of any M-ary number is converted to decimal, as a character　a file input number x, algorithm each digit and M a power of x is multiplied by the final sum. To convert　decimal to hexadecimal have any of the other two methods by using the array (shi_array) and stack (initstack). When converting M-ary binary number to any other, we need to first M x hexadecimal number is converted to a decimal number, and then use shi_array and stack function to achieve decimal radix conversion. Pay special attention to the number of M-ary digital x contains no more than M and character figures include 1 to 9 and A ~ F. The results are then saved in a file.