我正试图用jquery ajax将一些信息传递到php页面。我真的不明白为什么php页面一直在回复我发送的字符串化JSON是空
//php
if ($type == "new" || $type == "update"){
$new_address = json_decode($_REQUEST['address'], true);
echo json_encode($new_address); //Null
}
//js
var string_encoded_address = JSON.stringify(address_obj.address);
string_encoded_address = encodeURIComponent(string_encoded_address);
console.log(string_encoded_address);
$.ajax({
type: "post",
url: "order_queries_templates/queries/address.php",
data: "type=new&user_id=" + user_id + "&address=" + string_encoded_address,
dataType: "json",
success: function (returnedData) {
console.log(returnedData);
}
});
这为我的data
属性提供了一个字符串:
type=new&user_id=8244&address=%7B%22companyName%22%3A%22test%20company%22%2C%22address1%22%3A%222420%20sample%20Road%22%2C%22city%22%3A%22SIOUX%20CITY%22%2C%22state%22%3A%22IA%22%2C%22zip%22%3A%2251106%22%2C%22cityStateZip%22%3A%22SIOUX%20CITY%2C%20IA%2051106%22%7D
它可能出了什么问题?谢谢
您的代码不能工作的原因是您启用了magic_quotes_gpc
。它将转义添加到双引号中,使用以下cli
脚本可以看出:
$s = 'address=%7B%22companyName%22%3A%22test%20company%22%7D';
// parse query string into array
parse_str($s, $a);
// print address portion
echo $a['address'], "'n";
php -dmagic_quotes_gpc=On test.php
输出:
{'"companyName'":'"test company'"}
附加的转义中断json_decode()
,因此返回null
。
关闭magic_quotes_gpc
将通过使用.htaccess
或编辑php.ini
来解决此特定问题。
然而,让jQuery为您处理序列化要容易得多:
$.ajax({
...,
data: {
type:'new',
user_id: user_id,
adress: address_obj.address
},
...
});
在这种情况下,您不再需要在服务器上使用json_decode()
,只需直接引用$_POST['address']
即可。