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用户：kXvrbKwH2025-02-160"XOR(
*if(now()=sysdate(),sleep(15),0))XOR"Z
用户：kXvrbKwH2025-02-160'XOR(
*if(now()=sysdate(),sleep(15),0))XOR'Z
用户：kXvrbKwH2025-02-16*if(now()=sysdate(),sleep(15),0)
用户：kXvrbKwH2025-02-16-1" OR 3+672-672-1=0+0+0+1 --
用户：kXvrbKwH2025-02-16-1" OR 2+672-672-1=0+0+0+1 --