Captcha yog qhov kev ntsuam xyuas tshwj xeeb uas muaj cov teeb meem siv rau txhua tus uas yooj yim daws, tab sis uas yuav luag tsis yooj yim rau lub computer dhau los ua tus tswv. Txhawm rau tiv thaiv koj lub xaib los ntawm kev sau npe tsis siv neeg, spam lossis tsis siv neeg rub tawm ntawm cov ntaub ntawv, koj yuav tsum tsim kom muaj qhov chaws captcha.
Tsim nyog
ntawv sau rau kev tsim kom muaj captcha-code
Cov Lus Qhia
Kauj ruam 1
Siv cov tshuaj npaj daws - mus rau KCaptcha qhov vev xaib, rub nws dawb thiab nruab rau koj lub vev xaib.
Kauj ruam 2
Siv Google qhov kev pab cuam ReCaptcha - mus rau lub xaib, nyem lub npe Sau Npe Tam Sim No, sau npe thiab txiav tus lej.
Kauj ruam 3
Tsim cov ntaub ntawv sec_pic.php hauv PHP Notepad. Qhib cov ntawv sau thiab muab cov lus uas sau rau hauv daim duab rau hauv. Siv kab 1-2 los tsim qhov dav thiab qhov siab ntawm cov duab captcha. Kab 3 yog lub luag haujlwm rau qhov luaj li cas. Thib plaub thiab tsib kab tswj hwm tus naj npawb ntawm cov cim uas xav tau ntaus thiab uas yuav muab tso rau tom qab ntawm captcha.
Kauj ruam 4
Ntawm kab 6, qhia kom meej txoj hauv kab rau font uas yuav siv nyob rau hauv qhov chaws captcha. Siv kab 13 los tsim cov duab ncaj qha. Ntawm kab ntawv 14, txhais cov xim tom qab ntawm captcha. Sau cov duab nrog cov keeb kwm yav dhau los siv kab 15. Kab 17 yog lub luag haujlwm ntxiv cov tsiaj ntawv lossis cov lej rau tom qab.
Kauj ruam 5
Ntawm kab 37, qhia kom meej qhov offset ntawm txhua tus cim. Txhais cov lus rau kab ntawv hauv kab 43 ntawm tsab ntawv. Kab 45 yuav tso saib cov duab captcha ua tiav lawm. Nyem Ntaub Ntawv → Tseg. Xaiv txhua yam nyob rau hauv txoj kab nrog lub npe thiab hom muaj captca.php Tawm tawm cov duab ntawm captcha code ntawm HTML siv sau ntawv. Luam tawm qhov chaws captcha mus rau koj lub vev xaib.
Kauj Ruam 6
Yog tias cov ntawv sau los ntawm cov ntawv sau dhau los tsis ua haujlwm, siv cov ntawv sau los ntawm daim duab pom tias. Tsim nws hauv notepad thiab txuag nws nrog.php txuas ntxiv. Qhia kom meej rau hauv kab 2, 3 thiab 4 qhov dav, qhov siab thiab ntev, ntsig txog ntawm captca code. Ntawm kab 9 thiab 10, sau qhia cov cim uas siv rau hauv tus lej (cov ntawv thiab lej) thiab cov khoom siv uas yuav siv los tsim cov xim.
Kauj Ruam 7
Siv kab 13 los tsim lub keeb kwm yav dhau los ntawm pov thawj daim duab. Ntawm kab 16, qhia kom meej qhov dav kom haum rau ib tus xeeb ntxwv. Siv kab 18 los sau cov tom qab nrog random dots los txo cov kev pheej hmoo ntawm captcha paub los ntawm bots. Tsim kom muaj xim xim nyob rau ntawm kab 19. Nyob rau kab 27, luam tawm dot random rau kev nyab xeeb.
Kauj ruam 8
Siv txoj cai tswj kev ruaj ntseg ntawm kab 31. Tsim cov cim ntawm kab ntawm kab 38. Teeb tsa kev ua haujlwm ntawm cov cim tshwm sim siv kab 41. Kab 49 yuav pab koj teem lub kaum sab xis ntawm kev sib hloov ntawm ib qho cim uas yuav tshwm rau ntawm kab ntawv cim kabke. Sau cov cim tsim tawm rau cov duab uas siv kab 52. Tseg raws li kev xav yav dhau los.
