node.js解决跨域调用数据问题

在服务端的app.js文件中添加以下代码即可

/* 解决浏览器跨域调用数据的问题 */
app.all('*', function(req, res, next) {
	res.header("Access-Control-Allow-Origin", "*");
	res.header("Access-Control-Allow-Headers", "X-Requested-With");
	res.header("Access-Control-Allow-Methods", "PUT,POST,GET,DELETE,OPTIONS");
	res.header("X-Powered-By", ' 3.2.1');
	res.header("Content-Type", "application/json;charset=utf-8");
	next();
})