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Error: Your pre must have a next argument -- e.g., function (next, ...)

$ node app.js

127.0.0.1:8080

at _next (D:\node\cinema\node_modules\_hooks-fixed@2.0.2@hooks-fixed\hooks.j

s:58:23)

at fnWrapper (D:\node\cinema\node_modules\_hooks-fixed@2.0.2@hooks-fixed\hoo

ks.js:190:8)

at model.<anonymous> (D:\node\cinema\node_modules\_mongoose@4.13.4@mongoose\

lib\plugins\saveSubdocs.js:20:7)

at _next (D:\node\cinema\node_modules\_hooks-fixed@2.0.2@hooks-fixed\hooks.j

s:63:32)

at fnWrapper (D:\node\cinema\node_modules\_hooks-fixed@2.0.2@hooks-fixed\hoo

ks.js:190:8)

at D:\node\cinema\node_modules\_mongoose@4.13.4@mongoose\lib\plugins\validat

eBeforeSave.js:33:13

at D:\node\cinema\node_modules\_kareem@1.5.0@kareem\index.js:131:16

at _combinedTickCallback (internal/process/next_tick.js:73:7)

at process._tickCallback (internal/process/next_tick.js:104:9)

events.js:160

throw er; // Unhandled 'error' event

TypeError: Cannot read property '_id' of undefined

at D:\node\cinema\app.js:132:34

at D:\node\cinema\node_modules\_mongoose@4.13.4@mongoose\lib\model.js:4038:1

at D:\node\cinema\node_modules\_mongoose@4.13.4@mongoose\lib\services\model\

applyHooks.js:175:17

at _combinedTickCallback (internal/process/next_tick.js:73:7)

at process._tickCallback (internal/process/next_tick.js:104:9)

提前

2017-11-18

源自：node+mongodb 建站攻略（一期） 3-2

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提前提问者
2017-11-18

app.post('/admin/new',function(req,res){

var id = req.body.movie._id

var movieObj = req.body.movie

var _movie

if( id != 'undefined' ){

Movie.findById, function(err, movie){

if(err){

console.log(err)

}

_movie = _.extend(movie, movieObj)

_movie.save(function(err, movie){

if(err){

console.log(err)

}

res.redirect('/detail/'+ movie._id)

})

}

else{

_movie = new Movie({

doctor: movieObj.doctor,

title: movieObj.title,

country: movieObj.country,

language: movieObj.language,

year: movieObj.year,

poster: movieObj.poster,

summary: movieObj.summary,

flash: movieObj.flash

})

_movie.save(function(err, movie){

if(err){

console.log(err)

}

res.redirect('/detail/'+ movie._id)

})

}

})

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Error: Your pre must have a next argument -- e.g., function (next, ...)

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Error: Your pre must have a next argument -- e.g., function (next, ...)

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Error: Your pre must have a next argument -- e.g., function (next, ...)