//demo
const express = require('express'
);
const app =
express();
//设置允许跨域访问该服务.
app.all(’’, function (req, res, next) {
res.header(‘Access-Control-Allow-Origin’, '
’);
//Access-Control-Allow-Headers ,可根据浏览器的F12查看,把对应的粘贴在这里就行
res.header(‘Access-Control-Allow-Headers’, ‘Content-Type’);
res.header(‘Access-Control-Allow-Methods’, ‘*’);
res.header(‘Content-Type’, ‘application/json;charset=utf-8’);
next();
});
app.get(’/hello’, function (req, res) {
res.json({})
});
const server = app.listen(8082, function () {
console.log(‘Express app server listening on port %d’, server.address().port);
});
转载于:https://www.cnblogs.com/mica/p/11162517.html
相关资源：node的Express跨域解决方案代码
