Ayyukan FORM modules: POST da GET

Siffar method a cikin kashi <form> yana ƙayyade yadda ake aika bayanai zuwa uwar garken.

Hanyoyin HTTP suna bayyana aikin da ya kamata a yi akan bayanan da aka aika zuwa uwar garken. Ka'idar HTTP tana ba da hanyoyi da yawa, kuma nau'in Fom na HTML yana iya amfani da hanyoyi biyu don ƙaddamar da bayanan mai amfani:

• hanyar GET : Ana amfani da shi don neman bayanai daga ƙayyadadden hanya
• hanyar POST : Ana amfani da shi don aika bayanai zuwa uwar garken don sabunta kayan aiki

Hanyar GET

Ana amfani da hanyar HTML GET don samun albarkatu daga uwar garken. 

Misali:

<form method="get" action="www.bloginnovazione.it/search">
    <input type="search" name="location" placeholder="Search.." />
    <input type="submit" value="Go" />
</form>

Lokacin da muka tabbatar da fom a sama, shigar Italy a cikin filin shigarwa, buƙatar da aka aika zuwa uwar garken zai kasance www.bloginnovazione.it/search/?location=Italy.

Hanyar HTTP GET tana ƙara zaren tambaya zuwa ƙarshen URL don aika bayanan zuwa uwar garken. Kitin tambaya yana cikin nau'i na biyu key=value alamar ta gabace ta ? .

Daga URL ɗin, uwar garken na iya rarraba ƙimar da mai amfani ya ƙaddamar inda:

• key - location
• darajar -Italiya

Hanyar POST

Ana amfani da hanyar HTTP POST don aika bayanai zuwa uwar garken don ƙarin aiki. Misali,

<form method="post" action="www.bloginnovazione.it/search">
    <label for="firstname">First name:</label>
    <input type="text" name="firstname" /><br />
    <label for="lastname">Last name:</label>
    <input type="text" name="lastname" /><br />
    <input type="submit" />
</form>

Lokacin da muka ƙaddamar da fom ɗin, zai ƙara bayanan shigar da mai amfani zuwa jikin buƙatar da aka aika zuwa uwar garken. Za a cika bukatar kamar haka:

POST /user HTTP/2.0
Host: www.bloginnovazione.it
Content-Type: application/x-www-form-urlencoded
Content-Length: 33

firstname=Robin&lastname=Batman

Bayanan da aka aika ba shi da sauƙin gani ga mai amfani. Koyaya, zamu iya sarrafa bayanan da aka ƙaddamar ta amfani da kayan aiki na musamman kamar kayan aikin haɓaka mai bincike.

Hanyar GET e POST a kwatanta

• Hanyar GET
  • Ana iya ganin bayanan da aka aiko tare da hanyar GET a cikin URL.
  • Ana iya yin alamar buƙatun GET.
  • Ana iya adana buƙatun GET.
  • Buƙatun GET suna da iyakacin hali 2048 haruffa.
  • Haruffan ASCII ne kawai aka yarda a buƙatun GET.
• Hanyar POST
  • Bayanan da aka aika tare da hanyar POST ba a bayyane.
  • Ba za a iya yin alamar buƙatun POST ba.
  • Ba za a iya adana buƙatun POST ba.
  • Buƙatun POST ba su da iyaka.
  • Ana ba da izinin duk bayanai a cikin buƙatun POST

Ercole Palmeri