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我有我的api這個json響應，我需要循環並創建woocommerce產品或變體產品，爲每個產品。完成第一個阿賈克斯之前發射第二，完成第二個阿賈克斯之前發射第三個阿賈克斯內循環
{
"pagination": {
"page": 1,
"per_page": 50,
"results": 2,
"pages": 1,
"deleted_product": 0
},
"products": [
{
"id": "02dcd191-aebf-11e6-f485-5abe3e19de38aotbb94CZY3STcO1MxQS1S",
"name": "testProduct112312312312345325345",
"description": null,
"sku": "testProduct112312312312345325345",
"active": 1,
"cost_price": 0,
"list_price": null,
"sell_price": 17.28,
"tax_value": 1.728,
"tax_name": "Sales_tax_sample",
"tax_rate": 0.1,
"tax_id": "02dcd191-aebf-11e6-f485-1c85a7f11c83",
"includes_tax": true,
"quantity": null,
"product_type": null,
"update_at": "2016-08-05 03:42:14",
"deleted_at": null,
"images": [],
"variants": [],
"tags": [],
"outlets": [
{
"outlet_id": "0a422413-2fb9-11e6-ff63-0b90c839fa9e",
"name": "Main Outlet",
"quantity": 10
}
],
"price_books": [
{
"id": "65f85250-5ce8-9295-59be-40d76716eb00",
"price": 17.28
}
],
"brands": []
},
{
"id": "02dcd191-aebf-11e6-f485-5abe44095b97aotbb94CZY3STcO1MxQS1S",
"name": "var1444444444444444444444444444444444444444444",
"description": "<p>jameshwart</p>",
"sku": "testvar_23234",
"active": 1,
"cost_price": 0,
"list_price": null,
"sell_price": 7.49545,
"tax_value": 0.74955,
"tax_name": "Sales_tax_sample",
"tax_rate": 0.1,
"tax_id": "02dcd191-aebf-11e6-f485-1c85a7f11c83",
"includes_tax": true,
"quantity": null,
"product_type": null,
"update_at": "2016-08-05 05:55:55",
"deleted_at": null,
"images": [],
"variants": [
{
"id": "02dcd191-aebf-11e6-f485-5abe44095b97aotbb94CZY3STcO1MxQS1S",
"name": "var1444444444444444444444444444444444444444444/Blue",
"sku": "10017",
"quantity": null,
"tax_value": 0.74955,
"tax_name": "Sales_tax_sample",
"tax_rate": 0.1,
"tax_id": "02dcd191-aebf-11e6-f485-1c85a7f11c83",
"includes_tax": true,
"list_price": null,
"sell_price": 7.49545,
"cost_price": 0,
"option_one_name": "Colour",
"option_one_value": "Blue",
"option_two_name": null,
"option_two_value": null,
"option_three_name": null,
"option_three_value": null,
"update_at": "2016-08-05 05:55:55",
"deleted_at": null,
"outlets": [
{
"outlet_id": "0a422413-2fb9-11e6-ff63-0b90c839fa9e",
"name": "Main Outlet",
"quantity": 0
}
],
"price_books": [
{
"id": "b343e66b-33d1-41af-9969-9df911a29b7baotbb94CZY3STcO1MxQS1S",
"price": 7.49545
}
]
},
{
"id": "02dcd191-aebf-11e6-f485-5abe45693e6caotbb94CZY3STcO1MxQS1S",
"name": "var1444444444444444444444444444444444444444444/Red",
"sku": "sku_119",
"quantity": null,
"tax_value": 0.99773,
"tax_name": "Sales_tax_sample",
"tax_rate": 0.1,
"tax_id": "02dcd191-aebf-11e6-f485-1c85a7f11c83",
"includes_tax": true,
"list_price": null,
"sell_price": 9.97727,
"cost_price": 0,
"option_one_name": "Colour",
"option_one_value": "Red",
"option_two_name": null,
"option_two_value": null,
"option_three_name": null,
"option_three_value": null,
"update_at": "2016-08-05 05:55:55",
"deleted_at": null,
"outlets": [
{
"outlet_id": "0a422413-2fb9-11e6-ff63-0b90c839fa9e",
"name": "Main Outlet",
"quantity": 0
}
],
"price_books": [
{
"id": "fdd0f01b-a2c2-0263-b17c-3f63fdf0e6b8",
"price": 9.97727
}
]
}
],
"tags": [],
"outlets": [
{
"outlet_id": "0a422413-2fb9-11e6-ff63-0b90c839fa9e",
"name": "Main Outlet",
"quantity": 0
}
],
"price_books": [
{
"id": "b343e66b-33d1-41af-9969-9df911a29b7baotbb94CZY3STcO1MxQS1S",
"price": 7.49545
}
],
"brands": []
}
]
}
你可以從JSON見上面可能有許多可能的頁數和每頁最多50種產品。我已經編碼得到上面的例子json的第一頁，並循環每個產品。以下是我的代碼
function product_to_woo(page){
//check if page is undefined then we set it to one
if(typeof page == 'undefined'){
page = 1;
}else if(page <= 0){
//Make sure we always start to page 1
page = 1;
}
var product_number = 0;
get_product_by_page(page, function(res){
var product_count = res.products.length;
if(product_count > 0){
for(var i = 0; i < product_count; i++){
product = res.products[i];
if(product.deleted_at == null){
product_number = i+1;
}
if(res.pagination.page > 1){
product_number += PER_PAGE;//PER_PAGE is constant value 50
}
var p_data = {
action : 'import_to_woo',
page : res.pagination.page,
product_total_count : res.pagination.results,
product : product,
product_number : product_number,
deleted_product : res.pagination.deleted_product
};
post_data(p_data,function(p_res){
//I have done some message for the users
});
}
}
if(res.pagination.page <= res.pagination.pages){
page = parseInt(res.pagination.page) + 1;
if(page <= res.pagination.pages){
product_to_woo(page);
}
}
});
}
我的問題是在循環內設置ajax請求。它在第一個ajax請求完成之前發送另一個ajax請求，併發送第三個ajax請求，即使第二個ajax尚未完成。
是否有另一種方式來做到這一點？，但不同的是讓第一個ajax在另一個第二個ajax被觸發之前完成，然後在第二個請求完成之後還會觸發第四個ajax請求，依此類推，直到有沒有產品離開。