egg-psyduck-mybatis

1.0.2 • Public • Published

egg-psyduck-mybatis

Egg plugin for mybatis

安装

$ npm i egg-psyduck-mybatis --save

支持的 egg 版本

egg 3.x egg 2.x egg 1.x
😁 😁

开启插件

// {app_root}/config/plugin.js
exports.mybatis = {
  enable: true,
  package: "egg-psyduck-mybatis",
};

配置

// {app_root}/config/config.default.js
config.mybatis = {
  mapperPath: path.join(appInfo.baseDir, "mapper"),
  defaultPageSize: 10, // 默认分页条数
  pageOffset: 1, // 分页偏移量
  currentPageName: "currentPage",
  pageSizeName: "pageSize",
};

目录结构

支持多种类型数据库,多个数据库

  • 一种数据库,默认 MySQL
./mapper/数据库名/表名.xml
./mapper/数据库名/表名.xml
  • 多种数据库
./mapper/mysql/数据库名/表名.xml
./mapper/sqlite/数据库名/表名.xml

示例

XML 映射文件

<!-- ./mapper/test/test.xml -->
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="test">
    <select id="select">
    select column from table where id = ?
    <if test="name">
     and name like '%${name}%'
    </if>
    limit 1
    </select>
</mapper>

使用

// 动态生成 SQL
/**
 * @description:
 * @param {*} namespace 命名空间
 * @param {*} sqlid sql id
 * @param {*} values ? 占位参数
 * @param {*} params 动态参数
 * @return {*}
 */
this.app.mapper(namespace, sqlid, values, params);

// 示例
const sql = this.app.mapper("test", "select", [id], {
  name: "name",
});
const result = await this.app.mysql.select(sql);

License

MIT

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Install

npm i egg-psyduck-mybatis

Weekly Downloads

3

Version

1.0.2

License

MIT

Unpacked Size

57.6 kB

Total Files

9

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Collaborators

  • undsky