我正在用node / express / mongo / mongoose构建一个应用程序 . 我遇到了一个错误,我似乎无法弄清楚,谷歌搜索到目前为止没有任何帮助 .
我试图创建一个编辑页面,但我遇到了一个错误 .
Package.json
{
"name": "cmscart",
"version": "1.0.0",
"description": "",
"main": "app.js",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1"
},
"author": "",
"license": "ISC",
"dependencies": {
"body-parser": "^1.18.3",
"connect-flash": "^0.1.1",
"ejs": "^2.6.1",
"express": "^4.16.4",
"express-messages": "^1.0.1",
"express-session": "^1.15.6",
"express-validator": "^5.3.0",
"mongoose": "^5.3.10"
}
}
edit_page.ejs
<%- include('../_layouts/adminheader') %>
<h2 class="page-title">Edit a Page</h2>
<a href="/admin/pages" class="btn btn-primary">Back to all Pages</a>
<br>
<br>
<form method="post" action="/admin/pages/edit-page/<%= slug %> ">
<div class="form-group">
<label for="">Title</label>
<input type="text" name="title" value="<%= title %>" class="form-control" placeholder="Title">
</div>
<div class="form-group">
<label for="">Slug</label>
<input type="text" name="slug" value="<%= slug %>" class="form-control" placeholder="Slug">
</div>
<div class="form-group">
<label for="">Content</label>
<textarea name="content" class="form-control" placeholder="Content" rows="10" cols="30"><%= content %></textarea>
</div>
<input type="hidden" name="id" value="<%= id %> ">
<button class="btn btn-default">Submit</button>
</form>
<%- include('../_layouts/adminfooter') %>
admin_pages.js
/* GET edit page*/
/* here after edit page "/:slug" because we didn't have a fixed value of url*/
router.get('/edit-page/:slug', function (req, res) {
Page.findOne({ slug: req.params.slug }, function (err, page) {
if (err) return console.log(err);
res.render('admin/edit_page', {
title: page.title,
slug: page.slug,
content: page.content,
id: page._id
});
});
});
/* POST edit page*/
router.post('/edit-page/:slug', function (req, res) {
req.checkBody('title', 'Title must have a value').notEmpty();
req.checkBody('content', 'Content must have a value').notEmpty();
var title = req.body.title;
var slug = req.body.slug.replace(/\s+/g, '-').toLowerCase();
if (slug == "") slug = title.replace(/\s+/g, '-').toLowerCase();
var content = req.body.content;
var id = req.body.id;
var errors = req.validationErrors();
if (errors) {
res.render('admin/edit_page', {
errors: errors,
title: title,
slug: slug,
content: content,
id: id
});
} else {
Page.findOne({ slug: slug, _id: { '$ne': id } }, function (err, page) {
if (page) {
req.flash('danger', 'Page slug exists , choose another.');
res.render('admin/edit_page', {
title: title,
slug: slug,
content: content,
id:id
});
}
else {
Page.findByIdAndUpdate(id, function (err, page) {
if (err) {
return console.log(err);
}
page.title = title;
page.slug = slug;
page.content = content;
page.save(function (err) {
if (err)
return console.log(err);
req.flash('success', 'Page added!');
res.redirect('/admin/pages');
});
});
}
});
}
});
在这我遇到了这个错误
CastError:在ObjectId的新CastError(D:\ projects \ cmscart \ node_modules \ mongoose \ lib \ error \ cast.js:29:11)中,对于模型“Page”的路径“_id”处的值为“5be86bf8170c2c22f8bb93a6”的CastError:ObjectId失败 . Object(D:\ projects \ cmscart \ node_modules \ mongoose \ lib \ schema \ objectid.js:156:13)at ObjectId.SchemaType.applySetters(D:\ projects \ cmscart \ node_modules \ mongoose \ lib \ schematype.js: 763:12)在ObjectId.SchemaType.castForQuery(D:\ projects \ cmscart \ node_modules \ mongoose \)的ObjectId.SchemaType._castForQuery(D:\ projects \ cmscart \ node_modules \ mongoose \ lib \ schematype.js:1166:15) lib \ schematype.js:1156:15)at CastI上的ObjectId.SchemaType.castForQueryWrapper(D:\ projects \ cmscart \ node_modules \ mongoose \ lib \ schematype.js:1135:15)(D:\ projects \ cmscart \ node_modules \在model.Query.Query._castConditions的model.Query.Query.cast(D:\ projects \ cmscart \ node_modules \ mongoose \ lib \ query.js:4024:12)中的mongoose \ lib \ cast.js:306:32) (D:\ projects \ cmscart \ node_modules \ mongoose \ lib \ query.js:1690:10)at model.Query.Query._fin dOne(D:\ projects \ cmscart \ node_modules \ mongoose \ lib \ query.js:1926:8)位于_combinedTickCallback的process.nextTick(D:\ projects \ cmscart \ node_modules \ kareem \ index.js:369:33) internal / process / next_tick.js:132:7)at process.tickCallback(internal / process / next_tick.js:181:9)消息:'对于模型“页面,在路径”id“处,为对象”5be86bf8170c2c22f8bb93a6“转换为ObjectId失败“',name:'CastError',stringValue:'”5 kind86bf8170c2c22f8bb93a6“',kind:'ObjectId',value:'5be86bf8170c2c22f8bb93a6',path:' id',reason:undefined,model:{[Function:model] hooks:Kareem {pres:[Object], post:[Object]},base:Mongoose {connections:[Array],models:[Object],modelSchemas:[Object],options:[Object], popralize:[Function:pluralize], plugins:[Array]},modelName:'Page',model:[Function:model],db:NativeConnection {base:[Object],collections:[Object],models:[Object],config:[Object],replica :false,options:null,otherDbs:[],relatedDbs:{},states:[Object],_readyState:1, closeCalled:false,hasOpened:true,'$ internalEmitter':[Object], listening:false,connectionOptions:[Object],name:'cmscart',host:'localhost',port:27017,user:null,pass:null ,client:[Object],'$ initialConnection':[Object], event:[Object], eventscount:1,db:[Object]},discriminators:undefined,'$ appliedMethods':true,'$ appliedHooks':true ,schema:Schema {obj:[Object],paths:[Object],aliases:{},subpaths:{},virtuals:[Object],singleNestedPaths:{},nested:{},inherits:{},callQueue: [],indexes:[],方法:{},methodOptions:{},statics:{},tree:[Object],query:{},childSchemas:[],plugins:[Array],'$ id': 1,s:[Object], userProvidedOptions:{},options:[Object],'$ globalPluginsApplied':true},collection:NativeCollection {collection:[Object],opts:[Object],name:'pages',collectionName :'pages',conn:[Object],queue:[],buffer:false,emitter:[Object]},Query:{[Function] base:[Object]},'$ __ insertMany':[Function],' $ init':P romise {[Circular]},'$ caught':true}} {CastError:对于新版CastError中模型“Page”的路径“_id”,对于“5be86bf8170c2c22f8bb93a6”的值,“转换为ObjectId”失败(D:\ projects \ cmscart \ node_modules \在ObjectId.SchemaType.applySetters(D)的ObjectId.cast(D:\ projects \ cmscart \ node_modules \ mongoose \ lib \ schema \ objectid.js:156:13)中的mongoose \ lib \ error \ cast.js:29:11) :\ projects \ cmscart \ node_modules \ mongoose \ lib \ schematype.js:763:12)在ObjectId的ObjectId.SchemaType._castForQuery(D:\ projects \ cmscart \ node_modules \ mongoose \ lib \ schematype.js:1166:15) ObjectId.SchemaType.castForQueryWrapper中的.SchemaType.castForQuery(D:\ projects \ cmscart \ node_modules \ mongoose \ lib \ schematype.js:1156:15)(D:\ projects \ cmscart \ node_modules \ mongoose \ lib \ schematype.js: 1135:15)在cast.D():D:\ projects \ cmscart \ node_modules \ mongoose \ lib \ query.js:4024:12)在model.Query.Query._castConditions(D:\ projects \ cmscart \ node_modules \ mongoose \ li) b \ query.js:1690:10)在process.nextTick(D:\ projects \)的model.Query.Query._findOne(D:\ projects \ cmscart \ node_modules \ mongoose \ lib \ query.js:1926:8) cmscart \ node_modules \ kareem \ index.js:369:33)在process._tickCallback(internal / process / next_tick.js:181:9)的_combinedTickCallback(internal / process / next_tick.js:132:7)消息:'Cast对于模型“Page”',路径“id”处的值为“5be86bf8170c2c22f8bb93a6”的ObjectId失败,名称:'CastError',stringValue:'“5be86bf8170c2c22f8bb93a6”',kind:'ObjectId',值:'5be86bf8170c2c22f8bb93a6',路径:'id ”,reason:undefined,model:{[Function:model] hooks:Kareem {pres:[Object], postts:[Object]},base:Mongoose {connections:[Array],models:[Object],modelSchemas:[Object] ,options:[Object], popralize:[Function:pluralize],plugins:[Array]},modelName:'Page',model:[Function:model],db:NativeConnection {base:[Object],collections:[Object ],models:[Object],config:[Object],replica:false,options:null,otherDbs:[],relatedDbs:{},states:[Object],readyState:1,closeCalled:false, hasOpened:true, '$ internalEmitter':[Object], listening:false,connectionOptions:[Object],name:'cmscart',host:'localhost',port:27017,user:null,pass:null,client:[Object],' $ initialConnection':[Object], event:[Object], eventscount:1,db:[Object]},discriminators:undefined,'$ appliedMethods':true,'$ appliedHooks':true,schema:Schema {obj:[对象],路径:[Object],别名:{},子路径:{},virtuals:[Object],singleNestedPaths:{},嵌套:{},继承: {},callQueue:[],indexes:[],方法:{},methodOptions:{},statics:{},tree:[Object],query:{},childSchemas:[],plugins:[Array], '$ id':1,s:[Object], userProvidedOptions:{},options:[Object],'$ globalPluginsApplied':true,_requiredpaths:[Array]},collection:NativeCollection {collection:[Object],opts: [Object],name:'pages',collectionName:'pages',conn:[Object],queue:[],buffer:false,emitter:[Object]},Query:{[Function] base:[Object]} ,'$ __ insertMany':[Function],'$ init':Promise {[Circular]},'$ caught':true}} {CastError:对于模型“路径为”_id“的值为”5be86bf8170c2c22f8bb93a6“的CastI转换为ObjectId失败在ObjectId.cast处的新CastError(D:\ projects \ cmscart \ node_modules \ mongoose \ lib \ error \ cast.js:29:11)中的页面(D:\ projects \ cmscart \ node_modules \ mongoose \ lib \ schema \ objectid .js:156:13)在ObjectId.SchemaType.applySetters(D:\ projects \ cmscart \ node_modules \ mongoose \ lib \ schematype.js:763:12)处于ObjectId.SchemaType._castForQuery(D:\ projects \ cms)在ObjectId.SchemaType.castForQueryWrapper的ObjectId.SchemaType.castForQuery(D:\ projects \ cmscart \ node_modules \ mongoose \ lib \ schematype.js:1156:15)中的cart \ node_modules \ mongoose \ lib \ schematype.js:1166:15) (D:\ projects \ cmscart \ node_modules \ mongoose \ lib \ schematype.js:1135:15)在cast(D:\ projects \ cmscart \ node_modules \ mongoose \ lib \ cast.js:306:32)中的model.Query .Query.cast(D:\ projects \ cmscart \ node_modules \ mongoose \ lib \ query.js:4024:12)在model.Query.Query._castConditions(D:\ projects \ cmscart \ node_modules \ mongoose \ lib \ query . js:1690:10)在process.nextTick(D:\ projects \ cmscart \ node_modules \)的model.Query.Query._findOne(D:\ projects \ cmscart \ node_modules \ mongoose \ lib \ query.js:1926:8) kareem \ index.js:369:33)在_combinedTickCallback(internal / process / next_tick.js:132:7)at process.tickCallback(internal / process / next_tick.js:181:9)消息:'强制转换为ObjectId失败对于模型“Page”',路径“id”处的值为“5be86bf8170c2c22f8bb93a6”,名称:'CastError',stringValue:'“5be86bf8170c2c22f8bb93a6” ',kind:'ObjectId',值:'5be86bf8170c2c22f8bb93a6',路径:' id',原因:未定义,型号:{[功能:模型]钩子:Kareem {pres:[Object], postts:[Object]},base :Mongoose {connections:[Array],models:[Object],modelSchemas:[Object],options:[Object], popralize:[Function:pluralize],plugins:[Array]},modelName:'Page',model: [功能:型号],db:NativeConnection {base:[Object],collections:[Object],models:[Object],config:[Object],replica:false,options:null,otherDbs:[],relatedDbs:{ },states:[Object],_readyState:1,closeCalled:false,hasOpened:true,'$ internalEmitter':[Object], listening:false,connectionOptions:[Object],name:'cmscart',host:'localhost' ,port:27017,user:null,pass:null,client:[Object],'$ initialConnection':[Object], event:[Object], eventscount:1,db:[Object]},discriminators:undefined,' $ appliedMethods':true,'$ appliedHooks':true,schema:Schema {obj:[Object],paths:[Object],aliases:{},subpaths :{},virtuals:[Object],singleNestedPaths:{},nested:{},inherits:{},callQueue:[],indexes:[],methods:{},methodOptions:{},statics:{}, tree:[Object],query:{},childSchemas:[],plugins:[Array],'$ id':1,s:[Object], userProvidedOptions:{},options:[Object],'$ globalPluginsApplied' :true,_requiredpaths:[Array]},collection:NativeCollection {collection:[Object],opts:[Object],name:'pages',collectionName:'pages',conn:[Object],queue:[],buffer :false,emitter:[Object]},Query:{[Function] base:[Object]},'$ __ insertMany':[Function],'$ init':Promise {[Circular]},'$ caught':true }}
1 回答
"5be86bf8170c2c22f8bb93a6 "
末尾有一个空格字符 . 你先尝试修剪它吗?在文件
D:\projects\cmscart\node_modules\kareem\index.js
第369行中使用id.trim()
而不是id
以及您正在使用的任何位置,或者您可以先在开头更正id