CatzillaOrz/CORS跨域请求在Express中的处理.md

## CORS跨域请求在Express中的处理.md

      
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              CORS跨域请求在Express中的处理.md
            
          
    npm install cors --save-dev
var express = require('express')
  , cors = require('cors')
  , app = express();

app.use(cors());

app.get('/products/:id', function(req, res, next){
  res.json({msg: 'This is CORS-enabled for all origins!'});
});

app.listen(80, function(){
  console.log('CORS-enabled web server listening on port 80');
});