//单个数据源client
//多个数据源clients
import { EggAppConfig, EggAppInfo, PowerPartial } from "egg";
export default (appInfo: EggAppInfo) => {
const config = {} as PowerPartial;
// override config from framework / plugin
// use for cookie sign key, should change to your own and keep security
config.keys = appInfo.name + "_1606967424562_9661";
// add your egg config in here
config.middleware = [];
// add your special config in here
const bizConfig = {
sourceUrl: `https://github.com/eggjs/examples/tree/master/${appInfo.name}`,
};
//连接服务器
config.mysql = {
//database configuration
//单个数据源client
//client: {
//host
//host: "localhost",
//port
//port: "3306",
//username
//user: "root",
//password
//password: "root",
//database
//database: "egg",
//},
//多个数据源clients
clients: {
db1: {
//host
host: "localhost",
//port
port: "3306",
//username
user: "root",
//password
password: "root",
//database
database: "egg",
},
db2: {
//host
host: "localhost",
//port
port: "3306",
//username
user: "root",
//password
password: "root",
//database
database: "hubeiwh",
},
},
// 所有数据库配置的默认值
default: {},
//load into app,default is open //加载到应用程序，默认为打开
app: true,
//load into agent,default is close //加载到代理中，默认值为“关闭”
agent: false,
};
// the return config will combines to EggAppConfig
return {
...config,
...bizConfig,
};
};
然后去服务里面使用数据库
// app/service/Test.ts
import { Service } from "egg";
/**
* Test Service
*/
export default class Test extends Service {
/**
* 查询egg库里面username表
* @param {string} name 用户名称
*/
public async name(name: string) {
const data: any = await this.app.mysql
//使用db1数据库查询
.get("db1")
.query(`SELECT * FROM USERNAME WHERE name = '${name}'`);
return { data };
}
/**
* 查询hubeiwh库里面username表
* @param {number} entPid 企业id
*/
public async entprise(entPid: number) {
const data: any = await this.app.mysql
//使用db2数据库查询
.get("db2")
.get("cim_enterprise", { enterpid: entPid });
return { data };
}
}
