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node.js - Express.js : show toastr message

转载 作者:行者123 更新时间:2023-12-02 18:06:08 33 4
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我正在尝试让 Toastr 库在我的 ExpressJS 应用程序中工作!我使用 yeoman“标准”Express Generator 搭建了该应用程序...

我需要库 express-toastr并执行了以下操作:

app.js :

const cookieParser = require('cookie-parser');
const session = require('express-session');
const flash = require('connect-flash');
const toastr = require('express-toastr');

app.use(cookieParser());
app.use(session( {secret: 'xxx', saveUninitialized: true, resave: true} ));
app.use(flash());
app.use(toastr());

index.js

const express = require('express');
const router = express.Router();
const httpntlm = require('httpntlm');

router.post('/', function (req, res, next) {

// parse inputs
let user = req.body.user || "";
let password = req.body.password || "";

// save in session
req.session.user = {user: user, password: password};

// appropriate response to login attempt
if (!req.session.user) {
res.status(401).send();
}
else {
req.toastr.success('Successfully logged in.', "You're in!");

res.render('groups', {
req: req
});
}
});

module.exports = router;

index.jade

#{req.toastr.render()}

我正在将这些文件加载​​到我的 <head> 中部分:

link(rel='stylesheet', href='//cdnjs.cloudflare.com/ajax/libs/toastr.js/2.0.2/css/toastr.min.css')
script(src='/components/jquery/dist/jquery.min.js')
script(src='//cdnjs.cloudflare.com/ajax/libs/toastr.js/2.0.2/js/toastr.min.js')

没有显示任何内容。我错过了什么???

--更新! --

这是我完整的 app.js 文件。我现在尝试使用express-flash并制作一条专用路线来显示flash消息。还是行不通。请帮忙!

'use strict';

const express = require('express');
const path = require('path');
const favicon = require('serve-favicon');
const logger = require('morgan');
const cookieParser = require('cookie-parser');
const bodyParser = require('body-parser');

const expressSanitizer = require('express-sanitizer');

const login = require('./routes/login');
const apply = require('./routes/apply');
const admin = require('./routes/admin');

var session = require('express-session');
var flash = require('express-flash');


var app = express();


// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'jade');

// 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(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));






app.use(session({
cookie: { maxAge: 60000 },
store: new session.MemoryStore,
saveUninitialized: true,
resave: 'true',
secret: 'secret'
}));
app.use(flash());

// Route that creates a flash message using the express-flash module
app.all('/express-flash', function( req, res ) {
req.flash('success', 'This is a flash message using the express-flash module.');
res.redirect(301, '/');
});







// sanitize inputs
app.use(expressSanitizer());

app.use('/', apply);
app.use('/apply', apply);
app.use('/login', login);
app.use('/admin', admin);


// catch 404 and forward to error handler
app.use(function (req, res, next) {
var err = new Error('Not Found');
err.status = 404;
next(err);
});

// error handlers

// development error handler
// will print stacktrace
if (app.get('env') === 'development') {
app.use(function (err, req, res, next) {
res.status(err.status || 500);
res.render('error', {
message: err.message,
error: err
});
});
}

// production error handler
// no stacktraces leaked to user
app.use(function (err, req, res, next) {
res.status(err.status || 500);
res.render('error', {
message: err.message,
error: {}
});
});

module.exports = app;

最佳答案

尝试在您的app.js中使用这个中间件,我发现了这个here

app.use(function (req, res, next)
{
res.locals.toasts = req.toastr.render()
next()
});

然后按如下方式访问您 View 中的局部变量:

#{toasts}

这对我有用。

关于node.js - Express.js : show toastr message,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/35870528/

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