撤销更改
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6676bd64c4
commit
0e37d956a7
@ -1,21 +1,5 @@
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var MongoClient = require('mongodb').MongoClient;
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var dburl;
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var db;
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function init() {
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new Promise((res, err) => {
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MongoClient.connect(dburl.url, { useUnifiedTopology: true, useNewUrlParser: true }, (e, db) => {
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if (e) {
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err(e)
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}
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res(db)
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})
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}).then((res) => {
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db = res.db(dburl.dbname)
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}).catch((e) => {
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throw e;
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})
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}
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let idadd = async (set) => {
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let id = 0
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if (set == "idadd") {
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@ -49,10 +33,13 @@ let add = async (set, data, url = dburl) => {
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return new Promise((resolve, reject) => {
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try {
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db.collection(set).insertOne(data, function (err, res) {
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MongoClient.connect(url.url, { useUnifiedTopology: true, useNewUrlParser: true }, function (err, db) {
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if (err) throw err;
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var dbo = db.db(url.dbname);
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try {
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dbo.collection(set).insertOne(data, function (err, res) {
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if (err) throw err;
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db.close();
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resolve({ code: 0 ,msg:"添加成功"});
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});
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} catch (error) {
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@ -60,6 +47,7 @@ let add = async (set, data, url = dburl) => {
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}
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});
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})
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}
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let adds = async (set, data, url = dburl) => {
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@ -71,30 +59,38 @@ let adds = async (set, data, url = dburl) => {
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}
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return new Promise((resolve, reject) => {
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try {
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db.collection(set).insertMany(data, function (err, res) {
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MongoClient.connect(url.url, { useUnifiedTopology: true, useNewUrlParser: true }, function (err, db) {
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if (err) throw err;
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var dbo = db.db(url.dbname);
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try {
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dbo.collection(set).insertMany(data, function (err, res) {
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if (err) throw err;
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db.close();
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resolve({ code: 0, num: res.insertedCount });
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});
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} catch (error) {
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reject({ code: 1, error })
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}
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});
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})
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}
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let remove = async (set, where, url = dburl) => {
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return new Promise((resolve, reject) => {
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try {
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db.collection(set).deleteOne(where, function (err, obj) {
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MongoClient.connect(url.url, { useUnifiedTopology: true, useNewUrlParser: true }, function (err, db) {
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if (err) throw err;
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var dbo = db.db(url.dbname);
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try {
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dbo.collection(set).deleteOne(where, function (err, obj) {
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if (err) throw err;
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db.close();
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resolve({ code: 0 });
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});
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} catch (error) {
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reject({ code: 1, error })
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}
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});
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})
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}
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let removes = async (set, where, url = dburl) => {
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@ -102,83 +98,101 @@ let removes = async (set, where, url = dburl) => {
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if (where == "" || Object.keys(where).length == 0) {
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reject({ code: 1 })
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}
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try {
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db.collection(set).deleteMany(where, function (err, obj) {
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MongoClient.connect(url.url, { useUnifiedTopology: true, useNewUrlParser: true }, function (err, db) {
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if (err) throw err;
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var dbo = db.db(url.dbname);
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try {
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dbo.collection(set).deleteMany(where, function (err, obj) {
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if (err) throw err;
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db.close();
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resolve({ code: 0, num: obj.result.n });
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});
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} catch (error) {
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reject({ code: 1, error })
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}
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});
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})
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}
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let find = async (set, where = {}, page = 0, num = 0, url = dburl) => {
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return new Promise((resolve, reject) => {
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if (num == 0) {
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MongoClient.connect(url.url, { useUnifiedTopology: true, useNewUrlParser: true }, function (err, db) {
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if (err) throw err;
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var dbo = db.db(url.dbname);
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try {
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console.log(db)
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db.collection(set).find(where).toArray(function (err, result) {
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dbo.collection(set).find(where).toArray(function (err, result) {
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if (err) throw err;
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resolve({ code: 0, data: result });
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db.close();
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});
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} catch (error) {
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reject({ code: 1, error })
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}
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});
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} else {
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MongoClient.connect(url.url, { useUnifiedTopology: true, useNewUrlParser: true }, function (err, db) {
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if (err) throw err;
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var dbo = db.db(url.dbname);
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try {
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db.collection(set).find(where).skip(num * page).limit(num).toArray(function (err, result) {
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dbo.collection(set).find(where).skip(num * page).limit(num).toArray(function (err, result) {
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if (err) throw err;
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resolve({ code: 0, data: result });
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db.close();
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});
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} catch (error) {
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reject({ code: 1, error })
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}
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});
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}
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})
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}
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let update = async (set, where = {}, data, defin = true, url = dburl) => {
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return new Promise((resolve, reject) => {
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MongoClient.connect(url.url, { useUnifiedTopology: true, useNewUrlParser: true }, function (err, db) {
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if (err) throw err;
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var dbo = db.db(url.dbname);
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if (defin) {
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data = { $set: data }
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}
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try {
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db.collection(set).updateOne(where, data, function (err, res) {
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dbo.collection(set).updateOne(where, data, function (err, res) {
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if (err) throw err;
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resolve({ code: 0 });
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db.close();
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});
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} catch (error) {
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reject({ code: 1, error })
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}
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});
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})
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}
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let updates = async (set, where = {}, data, url = dburl) => {
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return new Promise((resolve, reject) => {
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MongoClient.connect(url.url, { useUnifiedTopology: true, useNewUrlParser: true }, function (err, db) {
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if (err) throw err;
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var dbo = db.db(url.dbname);
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data = { $set: data }
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try {
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db.collection(set).updateMany(where, data, function (err, res) {
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dbo.collection(set).updateMany(where, data, function (err, res) {
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if (err) throw err;
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db.close();
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resolve({ code: 0, num: res.result.nModified });
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});
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} catch (error) {
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reject({ code: 1, error })
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}
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});
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})
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}
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module.exports = function (url, dbname) {
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dburl = { url, dbname };
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init();
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return {
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add,
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adds,
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