设手机号码前5位为x,后6位为y,则 i%iL[id:w
1. x i%iL[id:w
2. 400x i%iL[id:w
3. 400x+1 i%iL[id:w
4. (400x+1)*5000 i%iL[id:w
5. (400x+1)*5000+y i%iL[id:w
6. (400x+1)*5000+2y i%iL[id:w
7. (400x+1)*5000+2y-5000 i%iL[id:w
8. ((400x+1)*5000+2y-5000)/2=1000000x+y=你的手机号码了。