问如果数据字段和模型字段的类型不同，则忽略jackson反序列化

EN

public static abstract class SafeDeserializer<T> extends JsonDeserializer<T> {
    protected abstract Class<T> getClassT();

    // This is just fine for any other than primitives.
    // Primitives like boolean cannot be set to null so there is a need for 
    // some default value, so override.
    protected T getDefaultValue() {
        return null;
    }

    @Override
    public T deserialize(JsonParser p, DeserializationContext ctxt)
                            throws IOException, JsonProcessingException {
        try {
            return (T) ctxt.readValue(p, getClassT());
        } catch (MismatchedInputException e) {
            return getDefaultValue();
        }
    }
}

public static class SafeBooleanDeserializer extends SafeDeserializer<Boolean> {
    @Getter
    private final Class<Boolean> classT = Boolean.class;

    // This is needed only because your class has primitive boolean
    // If it was a boxed Boolean null would be fine.
    @Override
    protected Boolean getDefaultValue() {
        return false;
    }
}

@JsonDeserialize(using = SafeBooleanDeserializer.class)
private boolean isTrue;