如何解决类型错误:无法读取控制器上未定义的属性“forEach”
这是我的代码,我试图将我的内容从 rawmaterialSchema
推送到 UserSchema
我不知道哪里出错了,它说无法读取 forEach 的属性
exports.pushMaterialsInList = (req,res,next) => {
let rawmaterials = []
console.log(req.body.rawmaterial)
req.body.rawmaterial.forEach(material => {
// console.log(req.body.materials)
rawmaterials.push({
_id: material._id,name: material.name,size: material.size,partyname: material.partyname,partyphonenumber: material.partyphonenumber,})
})
User.findOneAndUpdate({ id: req.profile._id },{ $push: { rawmaterials: rawmaterials } },{ new: true },(err,materials) => {
if (err) {
return res.status(400).json({
error: " Unable to save material List"
})
}
next();
}
)
};
我收到此类型错误
TypeError: Cannot read property 'forEach' of undefined
at exports.pushMaterialsInList (C:\Users\lmtla\OneDrive\Desktop\praveenbhai\backend\controllers\user.js:42:26)
at Layer.handle [as handle_request] (C:\Users\lmtla\OneDrive\Desktop\praveenbhai\backend\node_modules\express\lib\router\layer.js:95:5) at next (C:\Users\lmtla\OneDrive\Desktop\praveenbhai\backend\node_modules\express\lib\router\route.js:137:13)
at Route.dispatch (C:\Users\lmtla\OneDrive\Desktop\praveenbhai\backend\node_modules\express\lib\router\route.js:112:3)
at Layer.handle [as handle_request] (C:\Users\lmtla\OneDrive\Desktop\praveenbhai\backend\node_modules\express\lib\router\layer.js:95:5) at C:\Users\lmtla\OneDrive\Desktop\praveenbhai\backend\node_modules\express\lib\router\index.js:281:22
at param (C:\Users\lmtla\OneDrive\Desktop\praveenbhai\backend\node_modules\express\lib\router\index.js:354:14)
at paramCallback (C:\Users\lmtla\OneDrive\Desktop\praveenbhai\backend\node_modules\express\lib\router\index.js:401:21)
at C:\Users\lmtla\OneDrive\Desktop\praveenbhai\backend\controllers\user.js:12:9
at C:\Users\lmtla\OneDrive\Desktop\praveenbhai\backend\node_modules\mongoose\lib\model.js:4863:16
at C:\Users\lmtla\OneDrive\Desktop\praveenbhai\backend\node_modules\mongoose\lib\helpers\promiseOrCallback.js:24:16
at C:\Users\lmtla\OneDrive\Desktop\praveenbhai\backend\node_modules\mongoose\lib\model.js:4886:21
at C:\Users\lmtla\OneDrive\Desktop\praveenbhai\backend\node_modules\mongoose\lib\query.js:4397:11
at C:\Users\lmtla\OneDrive\Desktop\praveenbhai\backend\node_modules\kareem\index.js:136:16
at processTicksAndRejections (internal/process/task_queues.js:75:11)
请帮我找出错误
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