第四十一关：GET-BLIND based-intiger-Stacked
第四十二关：POST-Error based-String-Stacked
第四十三关：POST-Error based-String-Stacked with twist
第四十四关：POST-Error based-String-Stacked-Blind
第四十五关：POST-Error based-String-Stacked-Blind
第四十六关：GET-Error based-Numeric-ORDER BY CLAUSE
第四十七关：GET-Error based-String-ORDER BY CLAUSE
第四十八关;GET-Error based-Blind-Numeric-ORDER BY CLAUSE
第四十九关：GET-Error based-String-Blind-ORDER BY CLAUSE
第五十关：GET-Error based--ORDER BY CLAUSE-numeric-Stacked injection