我收到此错误
(index):1 Access to XMLHttpRequest at 'https://example.com/crm/addlead' from origin 'https://abc.examplehosting.com' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.
我也在我的app.js中添加了此代码
app.use(function (req, res, next) {
res.header("Access-Control-Allow-Origin", "*");
res.header("Access-Control-Allow-Headers", "Origin, X-Requested-With, Content-Type, Accept");
next();
});
请提出可能的问题。
答案 0 :(得分:2)
您需要安装cors
CORS。
const cors = require('cors')
var corsOptions = {
origin: '*',
optionsSuccessStatus: 200 // some legacy browsers like IE11
}
app.use(cors(corsOptions));
答案 1 :(得分:1)
尝试向您的应用添加cors
层,
npm install --save cors
// In your server file
var cors = require('cors');
...
app.use(cors());
了解有关cors here
的更多详细信息