Easyexcel Spring Boot Starter

@RequestMapping("/download")
@ResponseExcel({"name", "book.name", "book.author"})
public List<Character> download() {
    return listCharacters();
}

@RequestMapping("/upload")
@ResponseBody
public List<Character> upload(@RequestExcel(value = "excel", targetClass = Character.class, 
                                    		fieldNames = {"name", "book.name", "book.author"}) 
                      		  List<Character> characters) {
    return characters;
}

<dependency>
    <groupId>com.gaoice</groupId>
    <artifactId>easyexcel-spring-boot-starter</artifactId>
    <version>2.0</version>
</dependency>