我正试图在代码点火器中的提交表单中使用ajax。我已经到了进行ajax调用的地方,但验证错误没有显示。我不明白为什么。请帮忙。
我确实有一些退货,但他们什么也不做。
if ($this->form_validation->run() == FALSE)
{
echo(json_encode("validate"=>FALSE));
}
else
{
$this->load->model('adduser_model');
$data['query']=$this->adduser_model->adduser();
}
}
视图代码:
<script>
//CHECKS ONE FIELD AT A TIME
$(function(){
$(".field").each(function(){
$(this).keyup(function(){
var id = $(this).attr("id"); //VALUE OF INPUT ID Ex: <input id="name">
var v = $(this).val(); //INPUT TEXT VALUE
var data = id+"="+v; //DATA TO GO TO THE AJAX FILE Ex:(name=wcet)
$.ajax({
type: "POST",
url: "prog/validate", //AJAX FILE
data: data+"&single=true",
success: function(e){ //"e" IS THE DATA FROM "validate.php"
$("span#"+id).html(e); //ECHOS DATA FROM "validate.php" NEXT TO THE INPUT IF NEEDED
}
});
});
});
});
</script>
<BODY>
<?php $this->load->helper('form');
echo form_open('prog/validate'); ?>
<tr><td align="right">Name: </td><td align="left"><input class="field" name="name" id="name"> <span id="name"></span><br></td></tr>
<tr><td align="right">email: </td><td align="left"><input class="field" name="email" id="email"> <span id="email"></span><br></td></tr>
如果have some returns
,则表示函数成功。即使您没有得到预期的响应,只有当$ajax
调用根本无法激发时(404500个错误),$this->form_validation->run()
才会为false。
您也可以尝试通过failure: function () {}
捕获错误,例如:
$.ajax({
type: "POST",
url: "prog/validate", //AJAX FILE
data: data+"&single=true",
success: function(e){ //"e" IS THE DATA FROM "validate.php"
$("span#"+id).html(e);
},
failure: function(e) {
// check against error messages
}
});