问题描述
我有一个名为的getCartProducts()
Javascript函数,它通过AJAX使用 $。post()$ c获取JSON数组$ c>它返回一个值。我想让我的函数返回这个值,但我不知道如何去做。
这是我的函数:
函数getCartProduct(id){
$ .post('core / ajax / getCartProduct.ajax.php',{id:parseInt(id)},function (data){
var result = data;
});
返回结果;
}
我知道这是行不通的,因为te变量结果只在 $。post()
函数,但我不知道如何弄明白。
function returnData(param){
console.log(param);
$ / code>
现在将该回调函数作为参数添加到您的AJAX函数中,并让它运行它:
函数getCartProduct(id,callback){
$ .post('core / ajax / getCartProduct.ajax .php',{id:parseInt(id)},function(data){
callback(data);
});
}
getCartProduct(id,returnData);
I've got a Javascript function called getCartProducts()
which gets a JSON array via AJAX using $.post()
which returns a value. I want to let my function return that value, but I don't know how to do that.
Here's my function:
function getCartProduct(id){
$.post('core/ajax/getCartProduct.ajax.php', {id: parseInt(id)}, function(data){
var result = data;
});
return result;
}
I know that this wont work, because te variable result is only active in the $.post()
function, but I don't know how to get it straight.
Add a callback function (AJAX is Asynchronous, so your return is being hit before there is any data to return):
function returnData(param) {
console.log(param);
}
Now add that callback function as a parameter to your AJAX function, and lets run it:
function getCartProduct(id, callback){
$.post('core/ajax/getCartProduct.ajax.php', {id: parseInt(id)}, function(data){
callback(data);
});
}
getCartProduct(id, returnData);
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