private void Button1_Click(object sender, System.EventArgs e)
        {
            
            //public void checkuser(string userpost,string checkpost)
            //{
                string userpost=TextBox1.Text;
                string checkpost=TextBox2.Text;
                int postlen=userpost.Length;
                int checkpostlen=checkpost.Length;
                
            bool zz=false;
            
            int i_count=0;
            for(int i=0;i<postlen-2;i++)
            {
                i_count=i_count+1;
                if (zz==true)
                {
                break;
                }
                if(userpost[i].CompareTo(checkpost[0])==0)
                {
                    for(int k=0;k<checkpostlen-1;k++)
                    {
                        i_count=i_count+1;
                        if(userpost[i+1].CompareTo(checkpost[k+1])==0||userpost[i+2].CompareTo(checkpost[k+1])==0)
                        {
                            zz=true;
                        }
                        else
                        {
                            zz=false;
                            break;
                        }
                        

                    }
                    
                }
            }

以上算法可能不算太好,但是觉得比某些人的算法好吧.他们别自认为有多高...所谓人外有人...他们的算法在我看来还不是垃圾一堆