opencsv解析文件

<dependency>
                <groupId>com.opencsv</groupId>
                <artifactId>opencsv</artifactId>
                <version>5.1</version>
 </dependency>

public class CsvTest {
    @Test
    public void simpleRead() throws IOException, CsvValidationException {InputStream ins = this.getClass().getClassLoader().getResourceAsStream("test1.csv");
        CSVReader reader = new CSVReader(new InputStreamReader(ins));
        String[] record;
        while ((record = reader.readNext()) != null){
            System.out.println(record);
        }
    }

    @Test
    public void testcsv1(){
        InputStream ins = this.getClass().getClassLoader().getResourceAsStream("test1.csv");
        List<CvsBean> list = CsvUtils.parseCsvToList(ins, CvsBean.class);
        System.out.println(list);
    }
}

public class CsvUtils {
    public static <T> List<T> parseCsvToList(InputStream ins, Class<T> clazz) {
        InputStreamReader reader = new InputStreamReader(ins, StandardCharsets.UTF_8);

　　　　　List<T> list = new CsvToBeanBuilder<T>(reader)

                .withType(clazz)
                .build()
                .parse();

        /*BeanVerifier beanVerifier = new BeanVerifier<CvsBean>() {
            @Override
            public boolean verifyBean(CvsBean bean) throws CsvConstraintViolationException {
                //name张三的记录过滤
                return !bean.getName().equals("张三");
            }
        };

        HeaderColumnNameMappingStrategy<T> mappingStrategy = new HeaderColumnNameMappingStrategy<>();
        mappingStrategy.setType(clazz);
        List<T> list = new CsvToBeanBuilder<T>(reader)
                .withMappingStrategy(mappingStrategy)
                .withSeparator(‘,‘)
                .withVerifier(beanVerifier)
                .build()
                .parse();*/
        
        
        return list;
    }
}

@ToString
@Data
public class CvsBean {
    //column 文件流的column值，required :true 文件流必须包含此属性的列，否则报错
    @CsvBindByName(column = "test", required = true)
    String testaaaa;
    @CsvBindByName(column = "name", required = true)
    String name;
    @CsvBindByName(column = "age", required = true)
    Integer age;
    @CsvBindByName(column = "address", required = true)
    String address;
    @CsvBindByName(column = "sex", required = true)
    String sex;
//    @CsvBindByName(column = "sadfsex", required = false)
    //文件流无，值为null
    String sadfsex;

}


test.csv

test,name,age,address,sex
12,张三,23,asdf,难
as,李四,23,a是否,难
asd,王五,144,阿道夫,女