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README
Apache-2.0

MybatisExt项目扩展自Mybatis,具有以下特点:

一、运行环境支持

通过指定虚拟机参数,自动加载properties文件中的指定代码块(velocity实现) 各种耗性能的操作在生产环境下不会执行

二、内置的拦截器(plugin)

  1. SQL语句打印和性能监控功能(SQLPrintPlugin)
  2. 主键自动生成功能(IdentityPlugin)
  3. MySQL查询语句性能分析功能(IndexingPlugin)
  4. 分页拦截器(PagingPlugin)
  5. XML文件修改后自动加载功能(XMLMapperLoader)

三、扩展Mybatis,实现拦截Mapper接口方法功能

原生的MyBatis是不能访问映射接口中的方法的,这使自己在方法中加注解无法访问,通过配置拦截器可以实现对接口中方法的拦截。

四、内置默认生成的增、删、改、查方法

Mapper接口继承Table或DB自动添加系统自带方法进行简单的操作,如果不合适可以继续在接口中和xml文件中添加自定义方法。

五、自带了entity、mapper和xml生成工具

自动生成代码工具,不需要配置,可根据需求自行修改AutoEntityUtil或者EntityUtil(在test项目里面)

六、内置ActiveRecord功能

不用任何配置也可以操作数据库,适合导入导出数据,有如下功能:

  1. 支持原生SQL语句
  2. 支持MyBatis脚本语句
  3. 支持对象操作
  4. 支持自定义字段和属性映射
  5. 简单的分页方言支持

对数据库操作

//创建数据库连接
DB db = MybatisExt.open("org.hsqldb.jdbcDriver", "jdbc:hsqldb:mem:db_name", "sa", "");
//执行创建表操作
db.update("create table person(id bigint primary key,name varchar(30),age int)");
//执行sql插入操作
int count = db.update("insert into person(id,name,age)values(?,?,?)", IdWorker.getId(), "bobo", 28);
//执行MyBatis脚本插入操作
Record rec = new Record();
rec.put("id", IdWorker.getId());
rec.put("name", "hh");
rec.put("age", 30);
count = db.updateScript("insert into person(id,name,age)values(#{id},#{name},#{age})", rec);
//sql脚本查询
List<Record> list = db.list("select id,name,age from person where name=?", "bobo");
List<Person> listPerson = db.list("select * from person where name=?", Person.class, "bobo")
//MyBatis脚本查询
listPerson = db.queryScript("select * from person where name=#{name}", Person.class, "bobo");

对数据库表操作

//获取表操作对象
Table<Person, Long> table = db.active("person", Person.class, "id", Long.class);
//插入操作
InsertSQL insertSql = new InsertSQL("id", "name", "age").values(1, "bobo", 28);
int count = table.excute(insertSql);
count = table.update("insert into person(id,name,age)values(?,?,?)", 2, "hh", 25);
Person person = new Person();
person.setId(3L);
person.setAge(26);
person.setName("wahaha");
count = table.updateScript("insert into person(id,name,age) values(#{id},#{name},#{age})", person);
//查询操作
List<Person> personList = table.list("select * from person");
personList = table.queryScript("select * from person where name=#{name}", "bobo");
Person persion = table.one("select * from person limit 1");
personList = table.queryScript("select * from person where name=#{name}", "bobo");
SelectSQL selectSql = new SelectSQL("id", "name").where("name", "bobo").and("id", 1L).orderBy("id", "asc");
selectSql=table.excute(selectSql);

无sql操作

DB db = MybatisExt.open("org.hsqldb.jdbcDriver", "jdbc:hsqldb:mem:db_name", "sa", "");
Table<Record, Long> table = db.active("person");
//插入
Record rec=new Record();
rec.put("id", IdWorker.getId());
rec.put("name", "hh");
rec.put("age", 30);
table.getInsert().insert(rec);

//查询
rec=table.getSelect().one("name","hh");

//更新
table.getUpdate().update(...);

//删除
table.getDelete().delete(...);

具体可参见源码中的测试用例

<dependency>
    <groupId>com.ext-ext</groupId>
    <artifactId>mybatis-ext</artifactId>
    <version>0.0.1</version>
</dependency>

欢迎使用并提交问题.

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Mybatis扩展项目,内嵌有通过activerecord风格操作数据库的功能。 展开 收起
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