我正在使用node / express / mongo / mongoose构建一个应用程序。我遇到了一个似乎无法弄清的错误,到目前为止,对Google进行谷歌搜索一直没有帮助。
我尝试创建一个编辑页面,但遇到错误。
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');
});
});
}
});
}
});
在此我遇到了这个错误
CastError:在模型“页面”的路径“ _id”处,将值“ 5be86bf8170c2c22f8bb93a6”转换为ObjectId失败
在新的CastError(D:\ projects \ cmscart \ node_modules \ mongoose \ lib \ error \ cast.js:29:11)
在ObjectId.cast(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)
在ObjectId.SchemaType._castForQuery(D:\ projects \ cmscart \ node_modules \ mongoose \ lib \ schematype.js:1166:15)
在ObjectId.SchemaType.castForQuery(D:\ projects \ cmscart \ node_modules \ mongoose \ lib \ schematype.js:1156:15)
在ObjectId.SchemaType.castForQueryWrapper(D:\ projects \ cmscart \ node_modules \ mongoose \ lib \ schematype.js:1135:15)
在投放时(D:\ projects \ cmscart \ node_modules \ mongoose \ lib \ cast.js:306:32)
在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model.Query.Query._findOne(D:\ projects \ cmscart \ node_modules \ mongoose \ lib \ query.js:1926:8)
在process.nextTick(D:\ projects \ cmscart \ node_modules \ kareem \ index.js:369:33)
在_combinedTickCallback(内部/进程/next_tick.js:132:7)
在process._tickCallback(内部/进程/next_tick.js:181:9)
消息:“在模型“页面”的路径“ _id”处,对值5be86bf8170c2c22f8bb93a6的对象ID的发布失败”,
名称:“ CastError”,
stringValue:'“ 5be86bf8170c2c22f8bb93a6”',
种类:“ ObjectId”,
值:“ 5be86bf8170c2c22f8bb93a6”,
路径:“ _ id”,
原因:未定义,
模型:
{[功能:型号]
钩子:Kareem {_pres:[Object],_posts:[Object]},
基础:
猫鼬{
连接:[数组],
型号:[对象],
modelSchemas:[Object],
选项:[对象],
_pluralize:[功能:复数],
插件:[Array]},
modelName:“页面”,
型号:[功能:型号],
D b:
NativeConnection {
基本:[对象],
集合:[对象],
型号:[对象],
配置:[对象],
副本:false,
选项:null,
otherDbs:[],
relatedDbs:{},
状态:[对象],
_readyState:1
_closeCalled:否,
_hasOpened:是的,
'$ internalEmitter':[Object],
_listening:错误,
_connectionOptions:[Object],
名称:“ cmscart”,
主机:“ localhost”,
端口:27017,
用户:null,
通过:null,
客户:[对象],
'$ initialConnection':[Object],
_events:[对象],
_eventsCount:1
db:[Object]},
鉴别符:未定义,
'$ appliedMethods':是的,
'$ appliedHooks':是的,
模式:
架构{
obj:[Object],
路径:[对象],
别名:{},
子路径:{},
虚拟对象:[对象],
singleNestedPaths:{},
嵌套:{},
继承:{},
callQueue:[],
_indexes:[],
方法: {},
methodOptions:{},
静态值:{},
树:[对象],
查询:{},
childSchemas:[],
插件:[Array],
'$ id':1,
s:[Object],
_userProvidedOptions:{},
选项:[对象],
'$ globalPluginsApplied':true},
采集:
NativeCollection {
集合:[对象],
选择:[对象],
名称:“ pages”,
collectionName:“页面”,
conn:[对象],
队列:[],
缓冲区:false,
发射器:[Object]},
查询:{[功能]基础:[对象]},
'$ __ insertMany':[函数],
'$ init':承诺{[Circular]},
'$ caught':true}}
{CastError:在模型“页面”的路径“ _id”处,对于值“ 5be86bf8170c2c22f8bb93a6”的铸造为ObjectId失败
在新的CastError(D:\ projects \ cmscart \ node_modules \ mongoose \ lib \ error \ cast.js:29:11)
在ObjectId.cast(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)
在ObjectId.SchemaType._castForQuery(D:\ projects \ cmscart \ node_modules \ mongoose \ lib \ schematype.js:1166:15)
在ObjectId.SchemaType.castForQuery(D:\ projects \ cmscart \ node_modules \ mongoose \ lib \ schematype.js:1156:15)
在ObjectId.SchemaType.castForQueryWrapper(D:\ projects \ cmscart \ node_modules \ mongoose \ lib \ schematype.js:1135:15)
在投放时(D:\ projects \ cmscart \ node_modules \ mongoose \ lib \ cast.js:306:32)
在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model.Query.Query._findOne(D:\ projects \ cmscart \ node_modules \ mongoose \ lib \ query.js:1926:8)
在process.nextTick(D:\ projects \ cmscart \ node_modules \ kareem \ index.js:369:33)
在_combinedTickCallback(内部/进程/next_tick.js:132:7)
在process._tickCallback(内部/进程/next_tick.js:181:9)
消息:“在模型“页面”的路径“ _id”处,对值5be86bf8170c2c22f8bb93a6的对象ID的发布失败”,
名称:“ CastError”,
stringValue:'“ 5be86bf8170c2c22f8bb93a6”',
种类:“ ObjectId”,
值:“ 5be86bf8170c2c22f8bb93a6”,
路径:“ _ id”,
原因:未定义,
模型:
{[功能:型号]
钩子:Kareem {_pres:[Object],_posts:[Object]},
基础:
猫鼬{
连接:[数组],
型号:[对象],
modelSchemas:[Object],
选项:[对象],
_pluralize:[功能:复数],
插件:[Array]},
modelName:“页面”,
型号:[功能:型号],
D b:
NativeConnection {
基本:[对象],
集合:[对象],
型号:[对象],
配置:[对象],
副本:false,
选项:null,
otherDbs:[],
relatedDbs:{},
状态:[对象],
_readyState:1
_closeCalled:否,
_hasOpened:是的,
'$ internalEmitter':[Object],
_listening:错误,
_connectionOptions:[Object],
名称:“ cmscart”,
主机:“ localhost”,
端口:27017,
用户:null,
通过:null,
客户:[对象],
'$ initialConnection':[Object],
_events:[对象],
_eventsCount:1
db:[Object]},
鉴别符:未定义,
'$ appliedMethods':是的,
'$ appliedHooks':是的,
模式:
架构{
obj:[Object],
路径:[对象],
别名:{},
子路径:{},
虚拟对象:[对象],
singleNestedPaths:{},
嵌套:{},
继承:{},
callQueue:[],
_indexes:[],
方法: {},
methodOptions:{},
静态值:{},
树:[对象],
查询:{},
childSchemas:[],
插件:[Array],
'$ id':1,
s:[Object],
_userProvidedOptions:{},
选项:[对象],
'$ globalPluginsApplied':true,
_requiredpaths:[Array]},
采集:
NativeCollection {
集合:[对象],
选择:[对象],
名称:“ pages”,
collectionName:“页面”,
conn:[对象],
队列:[],
缓冲区:false,
发射器:[Object]},
查询:{[功能]基础:[对象]},
'$ __ insertMany':[函数],
'$ init':承诺{[Circular]},
'$ caught':true}}
{CastError:在模型“页面”的路径“ _id”处,对于值“ 5be86bf8170c2c22f8bb93a6”的铸造为ObjectId失败
在新的CastError(D:\ projects \ cmscart \ node_modules \ mongoose \ lib \ error \ cast.js:29:11)
在ObjectId.cast(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)
在ObjectId.SchemaType._castForQuery(D:\ projects \ cmscart \ node_modules \ mongoose \ lib \ schematype.js:1166:15)
在ObjectId.SchemaType.castForQuery(D:\ projects \ cmscart \ node_modules \ mongoose \ lib \ schematype.js:1156:15)
在ObjectId.SchemaType.castForQueryWrapper(D:\ projects \ cmscart \ node_modules \ mongoose \ lib \ schematype.js:1135:15)
在投放时(D:\ projects \ cmscart \ node_modules \ mongoose \ lib \ cast.js:306:32)
在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model.Query.Query._findOne(D:\ projects \ cmscart \ node_modules \ mongoose \ lib \ query.js:1926:8)
在process.nextTick(D:\ projects \ cmscart \ node_modules \ kareem \ index.js:369:33)
在_combinedTickCallback(内部/进程/next_tick.js:132:7)
在process._tickCallback(内部/进程/next_tick.js:181:9)
消息:“在模型“页面”的路径“ _id”处,对值5be86bf8170c2c22f8bb93a6的对象ID的发布失败”,
名称:“ CastError”,
stringValue:'“ 5be86bf8170c2c22f8bb93a6”',
种类:“ ObjectId”,
值:“ 5be86bf8170c2c22f8bb93a6”,
路径:“ _ id”,
原因:未定义,
模型:
{[功能:型号]
钩子:Kareem {_pres:[Object],_posts:[Object]},
基础:
猫鼬{
连接:[数组],
型号:[对象],
modelSchemas:[Object],
选项:[对象],
_pluralize:[功能:复数],
插件:[Array]},
modelName:“页面”,
型号:[功能:型号],
D b:
NativeConnection {
基本:[对象],
集合:[对象],
型号:[对象],
配置:[对象],
副本:false,
选项:null,
otherDbs:[],
relatedDbs:{},
状态:[对象],
_readyState:1
_closeCalled:否,
_hasOpened:是的,
'$ internalEmitter':[Object],
_listening:错误,
_connectionOptions:[Object],
名称:“ cmscart”,
主机:“ localhost”,
端口:27017,
用户:null,
通过:null,
客户:[对象],
'$ initialConnection':[Object],
_events:[对象],
_eventsCount:1
db:[Object]},
鉴别符:未定义,
'$ appliedMethods':是的,
'$ appliedHooks':是的,
模式:
架构{
obj:[Object],
路径:[对象],
别名:{},
子路径:{},
虚拟对象:[对象],
singleNestedPaths:{},
嵌套:{},
继承:{},
callQueue:[],
_indexes:[],
方法: {},
methodOptions:{},
静态值:{},
树:[对象],
查询:{},
childSchemas:[],
插件:[Array],
'$ id':1,
s:[Object],
_userProvidedOptions:{},
选项:[对象],
'$ globalPluginsApplied':true,
_requiredpaths:[Array]},
采集:
NativeCollection {
集合:[对象],
选择:[对象],
名称:“ pages”,
collectionName:“页面”,
conn:[对象],
队列:[],
缓冲区:false,
发射器:[Object]},
查询:{[功能]基础:[对象]},
'$ __ insertMany':[函数],
'$ init':承诺{[Circular]},
'$ caught':true}}
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