var _id = '123456';$.post('/user/delete', {id: _id}, function(data){    if (data.error){       $('#removeTips').html('删除异常:' + data.error + '  请刷新重试。');    }else{       window.location.href = '/admin/';    } }, 'json');var express = require('express');var router = express.Router();router.route('/user/delete').post(function(req, res){    var _id = req.body.id;    console.log(_id); // 123456    res.json({result: 'success'});});