init

src/common/dbConnect.js

@@ -0,0 +1,31 @@
+'use strict';
+
+const { inject } = require('./Provider');
+const mongoose = require('mongoose');
+
+process.on('SIGTERM', () => {
+    mongoose.disconnect();
+    process.exit(0);
+});
+process.on('SIGINT', () => {
+    mongoose.disconnect();
+    process.exit(0);
+});
+
+module.exports = inject(async function connect2db(SysConfig) {
+    mongoose.set('useCreateIndex', true);
+    const { DB_USER_NAME, DB_PASSWD, DB_HOST, DB_PORT, DB_NAME } = SysConfig;
+    const db = mongoose.connection;
+    db.on('error', mylog.error);
+    db.once('open', function() {
+        mylog.info('数据库连接成功...');
+    });
+    mylog.info('开始连接数据库...');
+    await mongoose.connect(`mongodb://${DB_USER_NAME}:${DB_PASSWD}@${DB_HOST}:${DB_PORT}/${DB_NAME}`, { 
+        useNewUrlParser: true,
+        bufferMaxEntries: 0,
+        autoReconnect: true,
+        useFindAndModify: false
+    });
+    return db;
+});