//app.js
// var express = require('express');
// var app = express();
// var bodyParser = require('body-parser');
// app.use(bodyParser.json());
// app.use(bodyParser.urlencoded({ extended: true }));
// // 设置跨域
// app.all('*',function(req))
var express = require('express');
var app = express();
var bodyParser = require('body-parser');
//引用bodyParser 这个不要忘了写
app.use(bodyParser.json());
// for parsing application/json
app.use(bodyParser.urlencoded({ extended: true }));
// for parsing application/x-www-form-urlencoded //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");
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();
});
var questions = [{ data: 213, num: 444, age: 12 }, { data: 456, num: 678, age: 13 }];
//写个接口123
app.get('/123', function (req, res) {
res.status(200),
res.json(questions)
});
app.post('/wdltest', function (req, res) {
console.log(req.stack);
console.log(req.body);
console.log(req.url);
console.log(req.query);
res.json(req.body)
})
//配置服务端口
var server = app.listen(81, function () {
var host = server.address().address;
var port = server.address().port;
console.log('Example app listening at http://%s:%s', host, port);
})
html
//前端调用 index.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<script src="http://code.jquery.com/jquery-2.1.4.min.js"></script>
</head>
<body>
<script> $(function () {
// console.log(1);
//get请求
$.ajax(
{
type: 'get',
url: ' http://121.36.8.98:81/123',
success: function (data) {
console.log(data);
},
error: function (err) {
console.log(err)
}
})
//post请求
$.ajax(
{
type: 'post',
url: 'http://localhost:3001/wdltest',
data: { name: 'wdl', pass: '123' },
success: function (data) {
console.log(data);
}, error: function (err) {
console.log(err)
}
})
})
</script>
</body>
</html>