创建ValidList 用@Valid注解里面的list
import lombok.Data;
import javax.validation.Valid;
import java.util.*;
@Data
public class ValidList<E> implements List<E> {
@Valid
private List<E> list = new ArrayList<>() ;//这里看需要实例化需要的List类型
@Override
public int size() {
return list.size();
}
@Override
public boolean isEmpty() {
return list.isEmpty();
}
@Override
public boolean contains(Object o) {
return list.contains(o);
}
@Override
public Iterator<E> iterator() {
return list.iterator();
}
@Override
public Object[] toArray() {
return list.toArray();
}
@Override
public <T> T[] toArray(T[] a) {
return list.toArray(a);
}
@Override
public boolean add(E e) {
return list.add(e);
}
@Override
public boolean remove(Object o) {
return list.remove(o);
}
@Override
public boolean containsAll(Collection<?> c) {
return list.containsAll(c);
}
@Override
public boolean addAll(Collection<? extends E> c) {
return list.addAll(c);
}
@Override
public boolean addAll(int index, Collection<? extends E> c) {
return list.addAll(index, c);
}
@Override
public boolean removeAll(Collection<?> c) {
return list.removeAll(c);
}
@Override
public boolean retainAll(Collection<?> c) {
return list.retainAll(c);
}
@Override
public void clear() {
list.clear();
}
@Override
public E get(int index) {
return list.get(index);
}
@Override
public E set(int index, E element) {
return list.set(index, element);
}
@Override
public void add(int index, E element) {
list.add(index, element);
}
@Override
public E remove(int index) {
return list.remove(index);
}
@Override
public int indexOf(Object o) {
return list.indexOf(o);
}
@Override
public int lastIndexOf(Object o) {
return list.lastIndexOf(o);
}
@Override
public ListIterator<E> listIterator() {
return list.listIterator();
}
@Override
public ListIterator<E> listIterator(int index) {
return list.listIterator(index);
}
@Override
public List<E> subList(int fromIndex, int toIndex) {
return list.subList(fromIndex, toIndex);
}
}
controller里面使用
public void test(@Valid @RequestBody ValidList<User> users, BindingResult bindingResult){
if(bindingResult.hasErrors()){
//把错误信息组成一个String集合
List<String> error = ValidateHelper.getError(bindingResult);
}
****
}
//工具类里一个方法 将校验错误的信息放到List<String>中
public static List<String> getError(BindingResult bindingResult){
List<ObjectError> allErrors = bindingResult.getAllErrors();
List<String> error=new ArrayList<>();
for (ObjectError item:allErrors){
error.add(item.getDefaultMessage());
}
return error;
}
//切面拦截处理
@Around("execution( * com.tmzh.ppd.admin.controller..*.*(..) )") public Object vaildBefore(ProceedingJoinPoint joinPoint) throws Throwable { //获取参数 Object[] args = joinPoint.getArgs(); for (Object arg : args){ //类型判断 if (arg instanceof BindingResult){ BindingResult bindingResult = (BindingResult)arg; //如果有错 则获取注解错误信息返回 if (bindingResult.hasErrors()){ FieldError fieldError = bindingResult.getFieldError(); return Result.failed(fieldError.getDefaultMessage()); } } } //最后执行方法 return joinPoint.proceed(); }