执行全排列功能，vb语言， 执行全排列功能，vb语言-Implementation of permutation function, vb language, the implementation of permutation function, vb language, the implementation of permutation function, vb language

读入整数，输出其全排列并按字典序输出，例如3会输出123,132,213,231,312,321。通过递归实现。(Read into the integer, output its full arrangement and output in the dictionary order)