Cov vev xaib nrov tshaj plaws nyob hauv Internet yog cov tshawb fawb. Nrog lawv cov kev pab, koj tuaj yeem nrhiav tau cov ntaub ntawv uas koj xav tau. Cia peb sim los tsim peb lub tshuab tshawb nrhiav hauv qhov zoo ib yam li thawj cov tshawb fawb tau ua haujlwm. Tom qab, koj tuaj yeem hloov kho koj txoj kev tshawb nrhiav thiab hloov nws mus rau qhov kev ua tiav thiab niaj hnub. Nws nyob ntawm koj qhov kev txawj thiab kev txaus siab. Yog li, hauv qab no yog cov lus qhia rau kev tsim cov tshuab hlwb hlau.
Cov Lus Qhia
Kauj ruam 1
Faib koj lub tshuab tshawb nrhiav rau peb ntu. Thawj ntu yog qhov sib cuam tshuam ntawm kev tshawb nrhiav lub vev xaib yav tom ntej, uas tau sau hauv PHP. Ntu thib ob yog kev ntsuas (Kuv SQL database), uas khaws txhua yam ntaub ntawv hais txog ntawm nplooj ntawv. Qhov thib peb yog tshawb nrhiav cov neeg hlau uas yuav txheeb xyuas lub vev xaib thiab nkag lawv cov ntaub ntawv mus rau qhov ntsuas, nws tau ua tiav hauv cov lus Delphi.
Kauj ruam 2
Cia peb pib tsim lub interface. Tsim cov ntaub ntawv index.php. Txhawm rau ua qhov no, faib nplooj ntawv ua ob qho uas siv cov ntxhuav. Qhov thib ib yog daim ntawv tshawb fawb, qhov thib ob yog kev tshawb nrhiav. Nyob rau sab saum toj, tsim ib daim ntawv uas yuav xa cov ntaub ntawv xa mus rau cov ntaub ntawv index.php siv tus txheej txheem tau txais. Yuav muaj peb lub ntsiab lus ntawm nws - qhov chaw sau ntawv thiab ob lub pob ntxiv. Ib tus khawm yog xav tau los xa cov lus thov, thib ob - txhawm rau txhawm rau ua teb (khawm no yog xaiv tau).
Kauj ruam 3
Lub npe cov ntawv sau "tshawb", thawj lub pob (ib qho uas xa thov) lub npe "Tshawb nrhiav". Tso lub npe ntawm daim foos uas nws yog - "form1".
Kauj ruam 4
Cov txiaj ntsig yuav tshwm tawm rau hauv qab ntawm lub rooj siv php, yog li qhib <? Php lossis pib coding.
Kauj ruam 5
Txuas cov ntawv config los txuas rau hauv lub database.
suav nrog "config.php";
Kuaj xyuas yog tias "Tshawb Nrhiav" khawm tau nyem.
yog tias (isset ($ _ TAU ['khawm'])) {qhov kev ua txhaum yog tias "Tshawb nrhiav" yog nias}} lwm {qhov kev cai tua yog tias "Tshawb nrhiav" khawm tsis nias rau}
Yog tias lub pob yog nyem, tom qab ntawd tshawb xyuas cov lus tshawb fawb.
yog tias (muab ($ _ TAU ['tshawb'])) {$ tshawb = $ _ TAU ['tshawb'];}
Kauj Ruam 6
Yog tias muaj cov ntawv tshawb fawb, ces muab cov ntawv ntawm cov lus nug sau rau $ search variable.
Kauj Ruam 7
Tshawb cov ntawv thov kom nws tsis khoob thiab tsis luv dua peb tus cim.
Kauj ruam 8
yog tias ($ tshawb! = '' && strlen ($ tshawb nrhiav)> 2) {database nrhiav chaws} lwm {echo "Cov lus nug khoob nrhiav tau teev lossis kab ntawv nrhiav muaj tsawg dua 3 tus ntawv.";}
Nyob rau hauv qhov xwm txheej uas cov lus nug tshawb nrhiav ua tau txaus siab rau cov xwm txheej sab saud, khiav cov ntawv tshawb xyuas nws tus kheej.
Kauj Ruam 9
Khiav lub voj uas yuav luam tawm cov ntawv tshawb los ntawm printf.
Yog tag nrho. Yog tias koj muaj qhov kev paub tsim nyog, tom qab ntawd koj yuav zoo ntxiv cov ntsiab lus uas koj xav tau rau lub tshuab tshawb xyuas thiab teeb tsa koj tus kheej algorithm rau nws tsim.
