Springboot 如何使用BindingResult校验参数

import java.util.List;
import javax.validation.constraints.Min;
import javax.validation.constraints.Size;
import org.hibernate.validator.constraints.Email;
import org.hibernate.validator.constraints.NotBlank;
import org.hibernate.validator.constraints.NotEmpty;

public class Parameter {    
	@NotEmpty(message="姓名不能为空")
	private String name;
	
	@Min(value = 18, message = "年龄必须大于18岁")
	private int age;
	
	@NotEmpty(message="hobbies不能为空")
	private List<String> hobbies;
	
	@NotBlank(message="账号不能为空")
	private String account;
	
	@Size(min=5,max=10,message="密码的长度应该在5和10之间") 
	private String password;
	
	@Email(message="邮箱格式错误")
	private String email;
	
	public String getName() {
		return name;
	}
	public void setName(String name) {
		this.name = name;
	}
	public int getAge() {
		return age;
	}
	public void setAge(int age) {
		this.age = age;
	}
	public List<String> getHobbies() {
		return hobbies;
	}
	public void setHobbies(List<String> hobbies) {
		this.hobbies = hobbies;
	}
	public String getAccount() {
		return account;
	}
	public void setAccount(String account) {
		this.account = account;
	}
	public String getPassword() {
		return password;
	}
	public void setPassword(String password) {
		this.password = password;
	}
	public String getEmail() {
		return email;
	}
	public void setEmail(String email) {
		this.email = email;
	} 	
}

@RequestMapping(value = "/test", method = RequestMethod.POST, produces = MediaType.APPLICATION_JSON_VALUE)
	public @ResponseBody ResponseEntity<Pesponsibles> testBindingResult(@Valid @RequestBody Parameter parameter,BindingResult bindingResult)
			{
		log.info("test start");
		Pesponsibles pesponsibles=new Pesponsibles();
		if(bindingResult.hasErrors()){
			 List<FieldError> fieldErrors = bindingResult.getFieldErrors();
			 fieldErrors.forEach(fieldError -> {
                   //日志打印不符合校验的字段名和错误提示
                   log.error("error field is : {} ,message is : {}", fieldError.getField(), fieldError.getDefaultMessage());
                 });
			 for(int i=0;i<fieldErrors.size();i++){
                    //控制台打印不符合校验的字段名和错误提示
			System.out.println("error field is :"+fieldErrors.get(i).getField()+",message is :"+fieldErrors.get(i).getDefaultMessage());
			 }
			// pesponsibles.setError_msg(fieldErrors);
			return new ResponseEntity<>(pesponsibles, HttpStatus.BAD_REQUEST);
		}
		return new ResponseEntity<>(pesponsibles, HttpStatus.OK);
	}

@RequestMapping("")
    public String index(@Valid User user , BindingResult bindingResult){
        if (bindingResult.hasErrors()){
            List<ObjectError> allErrors = bindingResult.getAllErrors();
            ObjectError objectError = allErrors.get(0);
            System.out.println(objectError.getDefaultMessage());
            System.out.println(objectError.getObjectName());
            System.out.println(allErrors);
        }
        return "index";
    }