Javascript Paypal SDK问题获取错误[ERR_HTTP_HEADERS_SENT]:发送到客户端后无法设置头
我得到状态代码201,但当我尝试重定向到批准url时,我得到 错误[ERR\u HTTP\u HEADERS\u SENT]:发送到客户端后无法设置头 当我手动单击approval\u url时,我尝试不重定向,所有工作都正常 这是我的代码:Javascript Paypal SDK问题获取错误[ERR_HTTP_HEADERS_SENT]:发送到客户端后无法设置头,javascript,node.js,mongodb,paypal,ejs,Javascript,Node.js,Mongodb,Paypal,Ejs,我得到状态代码201,但当我尝试重定向到批准url时,我得到 错误[ERR\u HTTP\u HEADERS\u SENT]:发送到客户端后无法设置头 当我手动单击approval\u url时,我尝试不重定向,所有工作都正常 这是我的代码: var express = require("express"); var router = express.Router(); var middleAware = require("../middleware"); var paypal = requi
var express = require("express");
var router = express.Router();
var middleAware = require("../middleware");
var paypal = require("paypal-rest-sdk");
var User = require("../models/user");
var Shoe = require("../models/shoe");
paypal.configure({
'mode': 'sandbox', //sandbox or live
'client_id': 'AUN6mxOAFtJS5hrlUGdyd-Fe1VOE6zu63W6dYztXhOXOpeT0ps9JbF9N3lII-f3EP1o7G2MHs9flc3Ho',
'client_secret': 'someSecretId'
});
//pay with paypal
router.post("/cart/:id/pay", function(req, res){
User.findById(req.params.id).populate("cart").exec(function(err, foundUser){
if(err){
console.log(err);
res.redirect("back")
}else{
//find all shoes to checkout
var newItems = [];
for(var i=0;i < foundUser.cart.length;i++){
itemToPush = {
"name": foundUser.cart[i].name,
"sku": foundUser.cart[i].length,
"price": foundUser.cart[i].price,
"currency": "USD",
"quantity": 1
}
newItems.push(itemToPush);
}
//totalprice
var totalPrice = 0;
foundUser.cart.forEach(function(item){
totalPrice += item.price;
return totalPrice;
});
res.redirect("back");
// create paypal payment JSON
var create_payment_json = {
"intent": "sale",
"payer": {
"payment_method": "paypal"
},
"redirect_urls": {
"return_url": "http://127.0.0.1:3000/shop",
"cancel_url": "http://127.0.0.1:3000/shop"
},
"transactions": [{
"item_list": {
"items": newItems
},
"amount": {
"currency": "USD",
"total": totalPrice
},
"description": "This is the payment description."
}]
};
// console.log(JSON.stringify(create_payment_json));
paypal.payment.create(create_payment_json, function(err, payment){
if(err){
throw err;
}else{
console.log(payment);
for(var i=0;i < payment.links.length;i++){
if(payment.links[i].rel === 'approval_url'){
console.log("FOUND " + payment.links[i].href);
res.redirect(payment.links[i].href);
}
}
}
});
}
});
});
module.exports = router;
var express=require(“express”);
var router=express.router();
var middleAware=require(“../middleware”);
var paypal=require(“paypal rest sdk”);
var User=require(“../models/User”);
var鞋靴=需要(“../models/Shoe”);
paypal.configure({
'mode':'sandbox',//沙盒或live
“客户id”:“AUN6mxOAFtJS5hrlUGdyd-FE1VOE6ZU63W6DYZTXHOPET0PS9JBF9N3LII-f3EP1o7G2MHs9flc3Ho”,
“客户秘密”:“某些秘密”
});
//用贝宝支付
路由器.post(“/cart/:id/pay”),功能(请求、回复){
User.findById(req.params.id).populate(“cart”).exec(函数(err,foundUser){
如果(错误){
控制台日志(err);
res.redirect(“返回”)
}否则{
//找到所有要结帐的鞋子
var newItems=[];
对于(var i=0;i
这里的问题是,我获得了良好的状态代码,但随后出现了以下错误:
(节点:14648)弃用警告:当前URL字符串解析器已弃用,将在未来版本中删除。要使用新的解析器,请将选项{useNewUrlParser:true}传递给MongoClient.connect
(节点:14648)弃用警告:当前服务器发现和监视引擎已弃用,将在未来版本中删除。要使用新的服务器发现和监视引擎,请将选项{useUnifiedTopology:true}传递给MongoClient构造函数
服务器启动了!
{
id:'PAYID-L3AZRLQ4LA763246G079113E',
意向:‘出售’,
声明:“已创建”,
付款人:{付款方式:'贝宝'},
交易:[
{
金额:[对象],
描述:“这是付款描述。”,
项目列表:[对象],
相关资源:[]
}
],
创建时间:“2020-05-17T20:03:57Z”,
链接:[
{
href:“”,
rel:‘self’,
方法:“获取”
},
{
href:“”,
rel:“批准url”,
方法:“重定向”
},
{
href:“”,
rel:'执行',
方法:“发布”
}
],
httpStatusCode:201
}
建立
_http_outgoing.js:526
抛出新的ERR_HTTP_头_SENT('set');
^
错误[ERR\u HTTP\u HEADERS\u SENT]:发送到客户端后无法设置头在ServerResponse.setHeader(_http_outgoing.js:526:11) 在ServerResponse.header(C:\Users\Zohar Banai\Desktop\personal projects\ShopProject\node\u modules\express\lib\response.js:771:10) 位于ServerResponse.location(C:\Users\Zohar Banai\Desktop\personal projects\ShopProject\node\u modules\express\lib\response.js:888:15) 在ServerResponse.redirect(C:\Users\Zohar Banai\Desktop\personal projects\ShopProject\node\u modules\express\lib\response.js:926:18) 在C:\Users\Zohar Banai\Desktop\personal projects\ShopProject\routes\cart.js:116:33 在收到消息时。(C:\Users\Zohar Banai\Desktop\personal projects\ShopProject\node\u modules\paypal rest sdk\lib\client.js:140:13) 在IncomingMessage.emit(events.js:323:22) 在endReadableNT(_stream_readable.js:1204:12) 在处理和拒绝时(内部/process/task_queues.js:84:21){ 代码:“ERR\u HTTP\u HEADERS\u SENT” } 一些建议:
- 如果HTTP头已在应用程序对请求的响应之前发送到某个位置,则无法执行带有HTTP头“Location:newurl”的重定向。但是,这不值得一试