数据库插件

2022-05-31 08:34:53 +08:00
parent c764e7097d
commit 3494cecb9d
9 changed files with 171 additions and 9 deletions
@@ -0,0 +1,46 @@
+module.exports = {
+	database: "bamboo",
+	username: "bamboo",
+	password: "bamboo",
+	options:  {
+		dialect: 'mysql',
+		host:    "192.168.1.26",
+		port:    3306,
+		// 禁用日志记录或提供自定义日志记录功能；默认值：console.log
+		// logging: false,
+		// model的全局配置
+		define: {
+			// 添加create,update,delete时间戳
+			timestamps: true,
+			// 添加软删除
+			paranoid: false,
+			// 防止修改表名为复数
+			freezeTableName: true,
+			// 防止驼峰式字段被默认转为下划线
+			underscored: false,
+		},
+		// 由于orm用的UTC时间，这里必须加上东八区，否则取出来的时间相差8小时
+		timezone: '+08:00',
+		// 连接数 = ((核心数 * 2) + 有效磁盘数)
+		pool:           {// 连接池
+			max:     require('os').cpus().length * 2 + 1,
+			min:     0,
+			acquire: 60000,
+			idle:    100000,
+		},
+		dialectOptions: {
+			charset:           "utf8mb4",
+			// collate:           "utf8mb4_general_ci",
+			supportBigNumbers: true,
+			bigNumberStrings:  true,
+			dateStrings:       true,
+			typeCast(field, next) {// 让读取date类型数据时返回字符串而不是UTC时间
+				if (field.type === 'DATETIME') {
+					// console.log(field);
+					return field.string();
+				}
+				return next();
+			},
+		},
+	},
+}
@@ -0,0 +1,84 @@
+/**
+ * mysql/sequelize
+ *
+ * 参考文档:
+ * https://www.sequelize.com.cn/
+ */
+const config = require("./config")
+const Sequelize = require("sequelize");
+module.exports = async (app) => {
+	const {
+		      database,
+		      username,
+		      password,
+		      options,
+	      } = config
+	
+	const sequelize = new Sequelize(database, username, password, {
+		...options,
+		operatorsAliases,
+	});
+	try {
+		await sequelize.authenticate();
+		console.log('数据库连接成功');
+	} catch (error) {
+		console.error('数据库连接失败', error);
+	}
+	
+	app.sql = sequelize
+	
+	//等待所有插件载入完成后,自动更新数据库字段
+	//把所有模型的md5值存入到redis里面去,哪个文件的md5有变动就更新哪个表的字段.
+	//todo
+	app.willReadyList.push(()=>{
+	
+	})
+	
+	
+}
+
+//定义别名
+function operatorsAliases() {
+	const Op = Sequelize.Op;
+	//操作符别名
+	const operatorsAliases = {
+		$eq:            Op.eq,
+		$ne:            Op.ne,
+		$gte:           Op.gte,
+		$gt:            Op.gt,
+		$lte:           Op.lte,
+		$lt:            Op.lt,
+		$not:           Op.not,
+		$in:            Op.in,
+		$notIn:         Op.notIn,
+		$is:            Op.is,
+		$like:          Op.like,
+		$notLike:       Op.notLike,
+		$iLike:         Op.iLike,
+		$notILike:      Op.notILike,
+		$regexp:        Op.regexp,
+		$notRegexp:     Op.notRegexp,
+		$iRegexp:       Op.iRegexp,
+		$notIRegexp:    Op.notIRegexp,
+		$between:       Op.between,
+		$notBetween:    Op.notBetween,
+		$overlap:       Op.overlap,
+		$contains:      Op.contains,
+		$contained:     Op.contained,
+		$adjacent:      Op.adjacent,
+		$strictLeft:    Op.strictLeft,
+		$strictRight:   Op.strictRight,
+		$noExtendRight: Op.noExtendRight,
+		$noExtendLeft:  Op.noExtendLeft,
+		$substring:     Op.substring,
+		$startsWith:    Op.startsWith,
+		$endsWith:      Op.endsWith,
+		$and:           Op.and,
+		$or:            Op.or,
+		$any:           Op.any,
+		$all:           Op.all,
+		$values:        Op.values,
+		$col:           Op.col
+	};
+	return operatorsAliases
+}