您好,我正在尝试使用均值堆栈构建一个 crud 应用程序。在加载时,快速应用程序成功地从数据库中检索了“联系人列表”集合。但是,当尝试发布到“/api/contacts”时...收到错误 500(TypeError:undefined 不是函数)。我漫游了无数博客/论坛以寻找解决方案,但现在我迷路了,还没有查明错误背后的根源。欢迎所有建议。
以下是完整的错误堆栈...
TypeError: undefined is not a function
at module.exports.postcontactlist (/Users/Sites/express/api/contacts.js:22:11)
at callbacks (/Users/Sites/express/node_modules/express/lib/router/index.js:164:37)
at param (/Users/Sites/express/node_modules/express/lib/router/index.js:138:11)
at pass (/Users/Sites/express/node_modules/express/lib/router/index.js:145:5)
at Router._dispatch (/Users/Sites/express/node_modules/express/lib/router/index.js:173:5)
at Object.router (/Users/Sites/express/node_modules/express/lib/router/index.js:33:10)
at next (/Users/express/node_modules/express/node_modules/connect/lib/proto.js:193:15)
at Object.methodOverride [as handle] (/Users/Sites/express/node_modules/express/node_modules/connect/lib/middleware/methodOverride.js:48:5)
at next (/Users/Sites/express/node_modules/express/node_modules/connect/lib/proto.js:193:15)
at Object.urlencoded [as handle] (/Users/Sites/express/node_modules/express/node_modules/connect/lib/middleware/urlencoded.js:46:27)
at next (/Users/Sites/express/node_modules/express/node_modules/connect/lib/proto.js:193:15)
at /Users/Sites/express/node_modules/express/node_modules/connect/lib/middleware/json.js:91:7
at IncomingMessage.onEnd (/Users/Sites/express/node_modules/express/node_modules/connect/node_modules/raw-body/index.js:57:7)
at IncomingMessage.g (events.js:199:16)
at IncomingMessage.emit (events.js:104:17)
at _stream_readable.js:908:16
POST /api/contacts 500 4ms - 1.69kb
这是我的代码:
//服务器.js
var contactlist = require("./api/contacts");
....
//server
app.get("/api/contacts", contactlist.getcontactlist);
app.post("/api/contacts", contactlist.postcontactlist);
//api/contacts.js
var express = require("express");
var http = require("http");
var bp = require("body-parser");
var mongoose = require("mongoose");
var schema = require("../models/contactsdb");
var Contact = mongoose.model("Contact", schema.contactSchema, "contactlist");
module.exports = {
getcontactlist : function (request, response) {
Contact.find({ }, function (err, docs) {
response.send(docs);
});
},
postcontactlist : function(request, response){
console.log("request: " + request.body);
Contact.insert({ name : "Vincent Moyet", email : "vincentmoyet@gmail.com", number : "0987654321" }, function(err, docs){
if(err){
var errorMsg = "error: " + err.message;
console.log(errorMsg + " / " + err.getLastError());
response.status(500).send(err);
} else {
console.log("success");
response.status(200).end();
}
});
}
};
///模型/联系人Bb
var mongoose = require("mongoose");
mongoose.connect('mongodb://localhost:27017/contactlist');
exports.contactSchema = new mongoose.Schema({
name: String,
email: String,
number: String
});
最佳答案
将您的函数从 insert
更改为 create
Contact.create(contact, function(err, docs){
if(err){
var errorMsg = "error: " + err.message;
console.log(errorMsg + " / " + err.getLastError());
response.status(500).send(err);
} else {
console.log("success");
response.status(200).end();
}
});
关于javascript - 插入或保存到 mongodb 返回 500 服务器错误,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/32993220/