add method

hutool-core/src/main/java/org/dromara/hutool/core/lang/Opt.java

@@ -203,7 +203,7 @@ public class Opt<T> {
 	 * @return this
 	 * @throws NullPointerException 如果包裹里的值存在，但你传入的操作为{@code null}时抛出
 	 */
-	public Opt<T> ifFail(final Consumer<? super Throwable> action) throws NullPointerException{
+	public Opt<T> ifFail(final Consumer<? super Throwable> action) throws NullPointerException {
 		Objects.requireNonNull(action, "action is null");
 
 		if (isFail()) {
@@ -227,7 +227,7 @@ public class Opt<T> {
 	 * @throws NullPointerException 如果包裹里的值存在，但你传入的操作为{@code null}时抛出
 	 */
 	@SafeVarargs
-	public final Opt<T> ifFail(final Consumer<? super Throwable> action, final Class<? extends Throwable>... exs) throws NullPointerException{
+	public final Opt<T> ifFail(final Consumer<? super Throwable> action, final Class<? extends Throwable>... exs) throws NullPointerException {
 		Objects.requireNonNull(action, "action is null");
 
 		if (isFail() && EasyStream.of(exs).anyMatch(e -> e.isAssignableFrom(throwable.getClass()))) {
@@ -448,6 +448,17 @@ public class Opt<T> {
 		return isPresent() ? value : supplier.get();
 	}
 
+	/**
+	 * 如果包裹里元素的值存在，则返回该值，否则返回传入的操作执行后的返回值
+	 *
+	 * @param supplier 值不存在时需要执行的操作，返回一个类型与 包裹里元素类型 相同的元素
+	 * @return 如果包裹里元素的值存在，则返回该值，否则返回传入的操作执行后的返回值
+	 * @throws NullPointerException 如果之不存在，并且传入的操作为空，则抛出 {@code NPE}
+	 */
+	public Opt<T> orElseOpt(final Supplier<? extends T> supplier) {
+		return or(() -> Opt.ofNullable(supplier.get()));
+	}
+
 	/**
 	 * 如果包裹里元素的值存在，则返回该值，否则执行传入的操作
 	 *

hutool-log/src/main/java/org/dromara/hutool/log/engine/LogEngineFactory.java

@@ -86,6 +86,16 @@ public class LogEngineFactory {
 		logEngine.createLog(LogEngineFactory.class).debug("Custom Use [{}] Logger.", logEngine.getName());
 	}
 
+	/**
+	 * 创建指定日志实现引擎
+	 *
+	 * @param logEngineClass 引擎类
+	 * @return {@link LogEngine}
+	 */
+	public static LogEngine createEngine(final Class<? extends LogEngine> logEngineClass) {
+		return ConstructorUtil.newInstance(logEngineClass);
+	}
+
 	/**
 	 * 决定日志实现
 	 * <p>