[英]jQuery ajax php to populate form fields doesn't work
我尝试使用jQuery ajax填充表单,但是php无法正常工作。 该代码是从其他人那里获取的,这些人仅使用jQuery填充表单,并且可以正常工作。 这是我的html / jquery代码和我的php代码。 请帮忙!
<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" type="text/css" href="https://cdn.datatables.net/v/dt/dt-1.10.15/datatables.min.css"/>
<script type="text/javascript" src="jquery-1.12.4.js"></script>
<script type="text/javascript" src="https://cdn.datatables.net/v/dt/dt-1.10.15/datatables.min.js"></script>
</head>
<body>
<form name="form_simple" action="details.html" method="get">
<input type="hidden" name="ID" />
<br/>
<label for="Name">Name</label>
<input name="Name" type="text" />
<br/>
<label for="Address">Address</label>
<textarea name="Address" rows="5" cols="20"></textarea>
<br/>
<label for="Country">Country</label>
<select name="Country" multiple="multiple">
<br/>
<option value="">-</option>
<option value="UK">United Kingdom</option>
<option value="SRB">Serbia</option>
<option value="USA">United States of America</option>
<option value="FRA">France</option>
</select>
<br/>
<label for="IsFeatured">Is Featured</label>
<input name="IsFeatured" type="checkbox" value="true" />
<br/>
<label for="Town">Town</label>
<select name="Town">
<option value="" selected="selected">-</option>
<option value="London">London City</option>
<option value="Liverpool">Liverpool City</option>
<option value="Lothian">Lothian City</option>
<option value="Newcastle">Newcastle City</option>
<option value="Buckinghamshire">Buckinghamshire City</option>
<option value="Essex">Essex City</option>
</select>
<br/>
<label for="Contact">Contact</label>
<input name="Contact" type="radio" value="Email" />Email
<input name="Contact" type="radio" value="Phone" />Phone
<input name="Contact" type="radio" value="Post" />Post
<br/>
<input type="submit" value="Save" class="submit-button" />
<script>
/*
data = {
"ID": 17,
"Name": "Emkay Entertainments",
"Address": "Nobel House, Regent Centre",
"Town": "Lothian",
"Country":["UK","USA"],
"Contact": "Phone",
"IsFeatured": true
};
*/
$(document).ready(function() {
//alert("get here");
$.getJSON("fill_form.php" ,
function(data){
alert(data);
// reset form values from json object
$.each(data, function (name, val) {
var $el = $('[name="' + name + '"]'),
type = $el.attr('type');
switch (type) {
case 'checkbox':
$el.attr('checked', 'checked');
break;
case 'radio':
$el.filter('[value="' + val + '"]').attr('checked', 'checked');
break;
default:
$el.val(val);
}
});
});
});
</script>
</html>
--------------- PHP代码--------------------------------- -----------
$row_data = array(
"ID" => 17,
"Name" => "Emkay Entertainments",
"Address" => "Nobel House, Regent Centre",
"Town" => "Lothian",
"Country" => ['UK','USA'],
"Contact" => "Phone",
"IsFeatured" => true
);
array_push($data, $row_data);
echo json_encode($data);
?>
$.getJSON("fill_form.php" , function(data){
alert(data);
$.each(data, function (name, val) {
此代码循环遍历第一个数组索引。 因为您使用array_push()
,所以PHP会像这样创建一个数组:
Array(
[0] => Array(
"ID" => 17,
// etc
)
)
这意味着它将转换为[{
而不是{
因此您要遍历索引而不是内部数组键。
删除您的array_push()
或在您的js代码中添加第二个foreach循环以遍历键。
作为替代,您可以下载https://jocapc.github.io/jquery-view-engine/ ,它使您可以将JSON对象加载为以下形式:
$(document).ready(function() {
$.getJSON("fill_form.php" ,
function(data){
$("#form_simple").view(data);
});
});
它将处理表单元素,请参阅https://jocapc.github.io/jquery-view-engine/docs/form
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