mybaits四-2:模糊查询
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mybaits四-2:模糊查询
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<?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="com.atchina.dao.IUserDao"><select id="findByName" parameterType="String" resultType="com.atchina.domain.User">select * from user where username like #{uname}</select>
</mapper>
?
import com.atchina.dao.IUserDao; import com.atchina.domain.User; import org.apache.ibatis.io.Resources; import org.apache.ibatis.session.SqlSession; import org.apache.ibatis.session.SqlSessionFactory; import org.apache.ibatis.session.SqlSessionFactoryBuilder; import org.junit.After; import org.junit.Before; import org.junit.Test;import java.io.InputStream; import java.util.Date; import java.util.List;public class MybatisTest {InputStream in = null;SqlSessionFactory sessionFactory = null;SqlSession sqlSession = null;IUserDao userDao = null;@Beforepublic void init() throws Exception{in = Resources.getResourceAsStream("SqlMapperConfig.xml");sessionFactory = new SqlSessionFactoryBuilder().build(in);sqlSession = sessionFactory.openSession();userDao = sqlSession.getMapper(IUserDao.class);}@Testpublic void testFindByName(){List<User> users = userDao.findByName("%天%"); // 模糊查詢,要加上%for (User u : users){System.out.println(u);}}@Afterpublic void destroy() throws Exception{// 提交sqlSession.commit();// 釋放資源sqlSession.close();in.close();} }?
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