MyBatis模糊查询不报错但查不出数据的一种解决方案

今天在用MyBatis写一个模糊查询的时候,程序没有报错,但查不出来数据,随即做了一个测试,部分代码如下:

	@Test
	public void findByNameTest() throws IOException {
		String resource = "SqlMapConfig.xml";
		InputStream inputStream = Resources.getResourceAsStream(resource);
		SqlSessionFactory sqlSessionFactory = new SqlSessionFactoryBuilder()
				.build(inputStream);
		SqlSession sqlSession = sqlSessionFactory.openSession();
		List list = sqlSession.selectList("test.findByName", "远");
		System.out.println(list);
		sqlSession.close();

	}

User.xml映射文件
 	

结果日志显示

Opening JDBC Connection
Created connection 2040926578.
Setting autocommit to false on JDBC Connection [com.mysql.jdbc.JDBC4Connection@79a61172]
==>  Preparing: SELECT * FROM USER WHERE username LIKE '%远%' 
==> Parameters: 
<==      Total: 0
[]
Resetting autocommit to true on JDBC Connection [com.mysql.jdbc.JDBC4Connection@79a61172]
Closing JDBC Connection [com.mysql.jdbc.JDBC4Connection@79a61172]
Returned connection 2040926578 to pool.

查询出的结果数量为0

解决方法:

 在SqlMapConfig.xml配置文件中把

改为:

指定一个字符的编码格式,问题解决。

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