大佬教程收集整理的这篇文章主要介绍了Mongoose：需要验证错误路径（博客验证失败：内容：路径`content`是必需的。，.....），大佬教程大佬觉得挺不错的，现在分享给大家，也给大家做个参考。
我正在尝试为博客创建评论表单，但是每当我提交表单路径需要错误时，我尝试在我的评论路径中使用 req.send 来检查表单是否在书面位置提交及其工作接下来我通过控制台日志检查了 req.body.blogs 路线上的 blog/new，但我无法弄清楚错误来自哪里，请帮助谢谢。
const express = require('express')
const app = express();
const path = require('path');
const eJsmate = require('eJs-mate');
const methodoverrIDe = require('method-overrIDe');
const { blogscheR_952_11845@a,revIEwscheR_952_11845@a } = require('./scheR_952_11845@as')
const catchAsync = require('./utils/catchAsync');
const ExpressError = require('./utils/ExpressError');
const mongoose = require('mongoose');
const Blogs = require('./models/Blogs');
const RevIEw = require('./models/Blogs');
mongoose.connect('mongodb://localhost:27017/DailyTech',{useNewUrlParser: true,useCreateIndex: true,useUnifIEdtopology: true,useFindAndModify: falsE}).then(() => {
console.log("MONGO CONNECTION OPEN!!");
})
.catch(err => {
console.log("MONGO CONNECTION Error...");
console.log(err);
})
app.use(expresS.Urlencoded({ extended: true }));
app.use(methodoverrIDe('_method'))
app.use(express.static(path.join(__dirname,'public')));
app.ENGIne('eJs',eJsmatE);
app.set('vIEws',path.join(__dirname,'vIEws'));
app.set('vIEw ENGIne','eJs')
// blog valIDation
const valIDateBlogs = ( req,res,next) =>{
const {error} = blogscheR_952_11845@a.valIDate(req.body);
if(error){
const msg = error.details.map(el => el.messagE).join(',')
throw new ExpressError(msg,400)
}else{
next();
}
}
// revIEws valIDation
const valIDateRevIEw = (req,next) => {
const { error } = revIEwscheR_952_11845@a.valIDate(req.body);
if (error) {
const msg = error.details.map(el => el.messagE).join(',400)
} else {
next();
}
}
// Home
app.get('/',async(req,res) => {
res.render('Blogs/home',)
})
// Index
app.get('/blogs',res) => {
const blogs = await Blogs.find({})
res.render('Blogs/index',{Blogs})
})
// form to create new blog
app.get('/blogs/new',(req,res) => {
res.render('Blogs/new');
})
// create new blog
app.post('/blogs',valIDateBlogs,catchAsync(async(req,next) => {
// console.log(req.body);
const newblog = new Blogs(req.body.blogs)
console.log(req.body)
await newblog.save();
res.redirect(`/blogs/${newblog._ID}`)
}))
// show SELEcted blog
app.get('/blogs/:ID',next) => {
const { ID } = req.params;
const blog = await Blogs.findByID(ID);
res.render('Blogs/show',{ blog })
}))
// render edit form
app.get('/blogs/:ID/edit',res) => {
const { ID } = req.params;
const blog = await Blogs.findByID(ID);
res.render('Blogs/edit',{Blog});
}))
// update blog
app.put('/blogs/:ID',next) => {
// res.send('worked')
const { ID } = req.params;
const blog = await Blogs.findByIDAndupdate(ID,{ ...req.body.blogs });
res.redirect(`/blogs/${Blog._ID}`)
}))
// delete Blog
app.delete('/blogs/:ID',next) => {
const { ID } = req.params;
const blog = await Blogs.findByIDAndRemove(ID)
res.redirect("/blogs")
}))
// RevIEws
app.post('/blogs/:ID/revIEws',) => {
// res.send('you made it')
const blog = await Blogs.findByID(req.params.ID);
const revIEw = new RevIEw(req.body.revIEw);
blog.revIEws.push(revIEw);
await revIEw.save();
await blog.save();
// req.flash('success','Created new revIEw!');
res.redirect(`/blogs/${Blog._ID}`);
}))
// error handeling
app.all('*',next) => {
next(new ExpressError('Page Not Found',404))
})
app.use((err,req,next) => {
const { statusCode = 500 } = err;
if(!err.messagE) err.message = 'Oh No,Something Went Wrong!'
res.status(statusCodE).render('error',{err})
})
app.Listen(3000,()=>{
console.log("Listening to port 3000!");
})
//============
//show.eJs
//========
<% layout('layouts/boilerplate') %>
<div class="row">
<div class="col-8">
<div class="card mb-3">
<img src="<%= blog.image %>" alt="img">
<div class="card-body">
<h5 class="card-title"><%= blog.title %></h5>
<p><%= blog.content %></p>
<p class="card-text">
<small class="text-muted">Added by <%= blog.author %></small>
</p>
</div>
<div class="card-body">
<a class="btn btn-outline-success" href="/blogs">BACk</a>
<a class="card-link btn btn-outline-info" href="/blogs/<%= blog._ID %>/edit">Edit</a>
<form class="d-inline" action="/blogs/<%= blog._ID %>?_method=deletE" method="post">
<button class="btn btn-outline-danger" type="submit">delete</button>
</form>
</div>
</div>
<h2>Leave a RevIEw</h2>
<form action="/blogs/<%= blog._ID %>/revIEws" method="POST" >
<div class="mb-3">
<label class="form-label" for="raTing">raTing</label>
<input class="form-range" type="range" min="1" max="5" name="revIEw[raTing]" ID="raTing">
</div>
<div class="mb-3">
<label class="form-label" for="body">RevIEw</label>
<textarea class="form-control" name="revIEw[body]" ID="body" cols="30" rows="3"></textarea>
</div>
<button class="btn btn-success">submit</button>
</form>
</div>
</div>
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