From e1099dea28d35d5efaa5a2c19dc20a2a00a28356 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=A4=A7=E7=81=AByzs?= <835476090@qq.com>
Date: Tue, 16 Jun 2020 22:59:20 +0800
Subject: [PATCH] =?UTF-8?q?FileUtil=E9=87=8D=E8=BD=BD=E6=96=B9=E6=B3=95,?=
 =?UTF-8?q?=E6=B7=BB=E5=8A=A0getSuffix=E6=96=B9=E6=B3=95=E2=9C=92=EF=B8=8F?=
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---
 .../main/java/cn/hutool/core/io/FileUtil.java | 40 +++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/hutool-core/src/main/java/cn/hutool/core/io/FileUtil.java b/hutool-core/src/main/java/cn/hutool/core/io/FileUtil.java
index 55028c5aa..4f111a403 100644
--- a/hutool-core/src/main/java/cn/hutool/core/io/FileUtil.java
+++ b/hutool-core/src/main/java/cn/hutool/core/io/FileUtil.java
@@ -1847,6 +1847,46 @@ public class FileUtil {
 		return filePath.substring(begin, len);
 	}
 
+	/**
+	 * 获取文件后缀名，扩展名不带“.”
+	 *
+	 * @param file 文件
+	 * @return 扩展名
+	 */
+	public static String getSuffix(File file) {
+		return extName(file);
+	}
+
+	/**
+	 * 获得文件后缀名，扩展名不带“.”
+	 *
+	 * @param fileName 文件名
+	 * @return 扩展名
+	 */
+	public static String getSuffix(String fileName) {
+		return extName(fileName);
+	}
+
+	/**
+	 * 返回主文件名
+	 *
+	 * @param file 文件
+	 * @return 主文件名
+	 */
+	public static String getPrefix(File file) {
+		return mainName(file);
+	}
+
+	/**
+	 * 返回主文件名
+	 *
+	 * @param fileName 完整文件名
+	 * @return 主文件名
+	 */
+	public static String getPrefix(String fileName) {
+		return mainName(fileName);
+	}
+	
 	/**
 	 * 返回主文件名
 	 *