fn main() {
let sign_str = "xxxxxxxx";
let md5mix_obj = md5mix::Md5mix::new(sign_str);
let result = md5mix_obj.encode(1000898);
let str = result.unwrap();
println!("str:{}", &str);
let result = md5mix_obj.decode(&str);
let id = result.unwrap();
println!("id:{}", id);
}