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- Registered: 2007-01-06
- Posts: 349
Topic: Problema su jQuery ajax uzklausa
Sveiki, turiu tokia javascript funkcija:
function funkcija(i)
{
if (i == 1) { $("#kraunama").ajaxStart(function() { $("#kraunama").html('Informacija kraunama'); }); }
$.ajax(
{
cache: false,
type: "GET",
url: "url.php",
success: function(result)
{
$("#nauji_duomenys").html(result);
if (i == 1) { $("#kraunama").html(''); }
}
});
if (ciklas != null) clearTimeout(ciklas);
ciklas = setTimeout("funkcija(2)", 10000);
}
Jeigu funkcijai perduodamas parametras 2, "Informacija kraunama" nera rodoma.
Jeigu perduodu parametra 1, parodo "Informacija kraunama", tada, po 10 sekundziu, turetu buti funkcija vel iskviesta su parametru 2 ir "Informacija kraunama" nerodoma, bet kai funkcija automatiskai iskvieciama, atsiranda "Informacija kraunama" ir daugiau nebedingsta. Kur galetu buti problema?
Dekui.
- From: Vilnius
- Registered: 2008-06-11
- Posts: 1,254
Re: Problema su jQuery ajax uzklausa
Tai išsivesk parametrą per console.log(i); ir matysi kas ką ir kur gauna ir kurioje vietoje pameta.
MongoDB Certified Developer
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- From: Klaipėda
- Registered: 2006-10-31
- Posts: 432
Re: Problema su jQuery ajax uzklausa
Problema tame kad kintamasis i Ajax užklausoje neegzistuoja. Naudok globalų kintamajį:
Pasieksi iš bet kur naudodamas window.i
Pasidomėk jQuery delay
4 Reply by zygis 2012-10-05 09:29:46 (edited by zygis 2012-10-05 09:30:23)
- From: Vilnius
- Registered: 2008-06-11
- Posts: 1,254
Re: Problema su jQuery ajax uzklausa
Ir šiaip funkcijai $.ajax perduodamas objektas, kurio metodas success atlieka veiksmus su gautais duomenimis, tai labai panašu, kad jo viduje per this galima pasiekti patį objektą. Jei - taip, niekas tau netrukdo įdėti į pateikiamą objetą papildomų properčių. Ar veiks nežinau, čia tik teorija.
function funkcija(i)
{
if (i == 1) { $("#kraunama").ajaxStart(function() { $("#kraunama").html('Informacija kraunama'); }); }
$.ajax(
{
cache: false,
type: "GET",
url: "url.php",
someSecret:i,
success: function(result)
{
$("#nauji_duomenys").html(result);
if (this.someSecret == 1) { $("#kraunama").html(''); }
}
});
if (ciklas != null) clearTimeout(ciklas);
ciklas = setTimeout("funkcija(2)", 10000);
}
MongoDB Certified Developer
MongoDB Certified DBA
Zend Certified Engineer
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- Registered: 2007-01-06
- Posts: 349
Re: Problema su jQuery ajax uzklausa
function funkcija(i)
{
if (i == 1) { $("#kraunama").ajaxStart(function() { $("#kraunama").html('Informacija kraunama'); }); }
$.ajax(
{
cache: false,
type: "GET",
url: "url.php",
success: function(result)
{
$("#nauji_duomenys").html(result);
if (i == 1) { $("#kraunama").html(i); }
}
});
if (ciklas != null) clearTimeout(ciklas);
ciklas = setTimeout("funkcija(2)", 10000);
}
nesuprantu, kai atspausdinu i ajax funkcijoj, atspausdina toki i koki ir perduodu..
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- Registered: 2007-01-06
- Posts: 349
Re: Problema su jQuery ajax uzklausa
Pakeiciau siek tiek koda, bet vistiek ta pati beda. Reiskia ne tame problema, kad ajax funkcija "nemato" i
function funkcija(i)
{
if (i == 1)
{
$("#kraunama").ajaxStart(function() { $("#kraunama").html('Informacija kraunama'); });
$.ajax(
{
cache: false,
type: "GET",
url: "url.php",
success: function(result)
{
$("#nauji_duomenys").html(result);
if (i == 1) { $("#kraunama").html(''); }
}
});
}
else
{
$.ajax(
{
cache: false,
type: "GET",
url: "url.php",
success: function(result)
{
$("#nauji_duomenys").html(result);
}
});
}
if (ciklas != null) clearTimeout(ciklas);
ciklas = setTimeout("funkcija(2)", 10000);
}
Deprecated: Function create_function() is deprecated in
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816
- From: Klaipėda
- Registered: 2006-10-31
- Posts: 432
Re: Problema su jQuery ajax uzklausa
Tu gal geriau pasakyk ką nori padaryti, nes pagal duotą funkciją tai čia kažkoks bardakas. Nes logiškai neišmastau išvis kam reikalingas setTimeout. if ... else išvis praktiškai dubliuojasi.
Dėl to i tai viskas veikia http://jsfiddle.net/qpNEU/4/
Per Firebug pažiūrėk Console.
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- Registered: 2007-01-06
- Posts: 349
Re: Problema su jQuery ajax uzklausa
jeigu i == 1, rodomas tekstas "Informacija kraunama", kol ajax uzklausa vykdoma;
jeigu i == 2 niekas nera rodoma kol uzklausa yra vykdoma;
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