Javascript 传入表单数据不需要';我不回答
我正在运行一个基本的web应用程序,它将通过运行express的node.js中的mongoose对mongoDb进行简单的查询。如果我执行一个简单的find(),我可以返回整个数据集,但是,当我尝试将表单数据作为变量传递以查找特定的餐厅(即find({restaurantname:Arbys}))时,我无法得到响应。我使用手柄将变量传递回客户端。这似乎是一个路由问题,但我可能会误解如何处理GET/POST 这是执行查询的jsJavascript 传入表单数据不需要';我不回答,javascript,node.js,mongodb,mongoose,handlebars.js,Javascript,Node.js,Mongodb,Mongoose,Handlebars.js,我正在运行一个基本的web应用程序,它将通过运行express的node.js中的mongoose对mongoDb进行简单的查询。如果我执行一个简单的find(),我可以返回整个数据集,但是,当我尝试将表单数据作为变量传递以查找特定的餐厅(即find({restaurantname:Arbys}))时,我无法得到响应。我使用手柄将变量传递回客户端。这似乎是一个路由问题,但我可能会误解如何处理GET/POST 这是执行查询的js //external packages var express =
//external packages
var express = require('express');
var router = express.Router();
var mongoose = require('mongoose');
var csrf = require('csurf');
var passport = require('passport');
//organic packages & models
var restData = require('../models/restaurants');
/* GET Mongo home page. */
router.get('./mongo', function(req,res,next){
res.render('mongo');
});
//Get Data **This works fine**
router.get('/get-data', function(req,res,next){
restData.find()
.then(function(doc){
res.render('mongo/mongo', {items: doc});
})
});
//Goes to query page with form input
router.get('/query-data', function(req,res,next){
res.render('mongo/mongo-query');
});
//Query specific data **This does not work**
router.get('/query-data-details', function(req,res,next){
var RestaurantName = req.query['RestaurantName'];
if (RestaurantName.length == 0) {
res.render('mongo/mongo', {items: "No Docs Found"});
} else {
restData.find({name: RestaurantName})
.then(function (doc) {
res.render('mongo/mongo', {items: doc});
console.log(RestaurantName);
});
}
});
这是handlebars脚本,它成功地返回了find(),没有查询参数
<div class="container float-left">
<a href="/mongo/get-data" <button type="button" class="btn btn-primary">Load All Data</button></a>
<a href="/mongo/query-data" <button type="button" class="btn btn-primary">Query Specific Data</button></a>
<h2>Data</h2>
<p>Retrieves restauraunt data by Name, Cuisine, Borough and Address
<div class="table-responsive">
<table class="table table-bordered">
<thead>
<tr>
<th>Name</th>
<th>Cuisine</th>
<th>Borough</th>
<th>Address</th>
</tr>
</thead>
<tbody>
{{# each items }}
<tr>
<td>{{this.name}}</td>
<td>{{this.cuisine}}</td>
<td>{{this.borough}}</td>
<td>{{this.address}}</td>
</tr>
{{/each}}
</tbody>
</table>
</div>
</div>
</body>
似乎您正在url参数中发送RestaurantName 试着改变你的路线 “/query data details”到 “/query data details/:RestaurantName” 然后你可以得到RestaurantName
var RestaurantName=req.query['RestaurantName'] “无法获得响应”是指您永远无法获得HTTP响应吗?更具体地说,我在该URL处得到一个“未找到”尝试更改以下内容:var RestaurantName=req.body.RestaurantName;运气不好,但我想我的app.js文件中的映射可能有问题,我在上面添加了app文件的相关部分。我想我需要从那里转到我的mongo.js文件?
<form method="get" action="/query-data-details">
<input type=text name="RestaurantName">
<input type="submit">
</form>
</body>
var routeshome = require('./routes/index');
var routesmongo = require('./routes/mongo');
var users = require('./routes/users');
var app = express();
require('./config/passport');
// view engine setup
app.engine('hbs', hbs({extname: 'hbs', defaultLayout: 'layout', layousDir: __dirname + '/views/layouts' }));
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'hbs');
// uncomment after placing your favicon in /public
//app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));
app.use(expressValidator());
app.use(cookieParser());
app.use(expressSession({secret: 'b5Frapradra5wen', saveUninitialized: false, resave: false}));
app.use(flash());
app.use(passport.initialize());
app.use(passport.session());
app.use(express.static(path.join(__dirname, 'public')));
app.use('/', routeshome);
app.use('/users', users);
app.use('/mongo', routesmongo);