Get the mobile number of QQ friends through exhaustive search

First step ： Add what you are looking for QQ Good friends .

The second step ： Sign in QQ Security Center , Find your friend's password , You can get the first three digits and the last two digits of your mobile phone number , That leaves the middle 4 Bit region code and the last two digits of the last four digits .

The third step ： Know where your friend's region is （ Generally, you know your friend's region or a familiar friend can know the region number accurately ）.

Step four : Through Baidu API, Or a variety of online search area code website tools （ Generally, open source interfaces can be used directly ） You can get the region code of a certain region of an operator ( That is, the middle four digits of the mobile phone number ） All region codes for （ Generally speaking, there are 6-20 Region code ）.

Step five : Traverse all the possibilities , Get all mobile phone number sets , Number of regional codes *100（ The first two digits of the last four digits are combined ), By writing java perhaps c The program saves the phone number to the file {txt Format ).

Step six : Copy the number in the file directly to excel In the text , Save to .csv Format file .

Step seven ： take csv Format file import xx Email address book , Then export the address book , The purpose is to get vcf File format （ Mobile supported vcf Batch import file ）.

Step eight , Import phone book , stay （ A friend who has not added this friend )QQ The picture of the friend corresponding to the mobile number found in the address book is the mobile number of the friend .

if QQ My friend unchecked find me through the address book , Then all the above are invalid . But by default QQ My friend checked to find me through the address book , Unless the mobile number is not registered QQ)