百度api的key var bodyParser = require('body-parser'); // 创建 application/x-www-form-urlencoded 编码解析 // var urlencodedParser = bodyParser.urlencoded({ extended: false }) app.use(bodyParser.json()); //json编码 //设置跨域访问 app.all('*',function(req,res,next) { res.header("Access-Control-Allow-Origin","*"); res.header("Access-Control-Allow-Headers","X-Requested-With,Content-Type"); res.header("Access-Control-Allow-Methods","PUT,POST,GET,DELETE"); res.header("X-Powered-By",' 3.2.1') res.header("Content-Type","application/json;charset=utf-8"); next(); }); //post请求,url/map app.post('/map',res){ var ipArr = req.body; var result = Array(); for (var i = 0; i < ipArr.length; i++) { var tree = ''; var options = { hostname: 'api.map.baidu.com',port: 80,path: '/location/ip?ak=' + key + "&coor=bd09ll&ip=" + ipArr[i],method: 'GET' }; // 向远程服务器端发送请求 var getLocation = http.request(options,function(response){ response.on('data',function(data) { tree += data; result.push(tree); //避免缓存 tree = ''; }); }); getLocation.end(); } //延后发送请求响应 setTimeout(function(){ res.status(200).send(result); },500); }) //监听8081接口打印请求域名和端口 var server = app.listen(8081,function () { var host = server.address().address var port = server.address().port console.log("应用实例，访问地址为 http://%s:%s",host,port) })