From eb7c29c647df5f3aa335f5075e78fdf7c675079d Mon Sep 17 00:00:00 2001
From: 疯狂的狮子li <15040126243@163.com>
Date: 星期四, 18 六月 2020 15:33:36 +0800
Subject: [PATCH] 解决文件上传bug,因undertow与tomcat对文件写入的底层实现不同,无需创建新文件

---
 ruoyi/src/main/java/com/ruoyi/common/utils/Threads.java |   99 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 files changed, 99 insertions(+), 0 deletions(-)

diff --git a/ruoyi/src/main/java/com/ruoyi/common/utils/Threads.java b/ruoyi/src/main/java/com/ruoyi/common/utils/Threads.java
new file mode 100644
index 0000000..1934195
--- /dev/null
+++ b/ruoyi/src/main/java/com/ruoyi/common/utils/Threads.java
@@ -0,0 +1,99 @@
+package com.ruoyi.common.utils;
+
+import java.util.concurrent.CancellationException;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Future;
+import java.util.concurrent.TimeUnit;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+/**
+ * 绾跨▼鐩稿叧宸ュ叿绫�.
+ * 
+ * @author ruoyi
+ */
+public class Threads
+{
+    private static final Logger logger = LoggerFactory.getLogger(Threads.class);
+
+    /**
+     * sleep绛夊緟,鍗曚綅涓烘绉�
+     */
+    public static void sleep(long milliseconds)
+    {
+        try
+        {
+            Thread.sleep(milliseconds);
+        }
+        catch (InterruptedException e)
+        {
+            return;
+        }
+    }
+
+    /**
+     * 鍋滄绾跨▼姹�
+     * 鍏堜娇鐢╯hutdown, 鍋滄鎺ユ敹鏂颁换鍔″苟灏濊瘯瀹屾垚鎵�鏈夊凡瀛樺湪浠诲姟.
+     * 濡傛灉瓒呮椂, 鍒欒皟鐢╯hutdownNow, 鍙栨秷鍦╳orkQueue涓璓ending鐨勪换鍔�,骞朵腑鏂墍鏈夐樆濉炲嚱鏁�.
+     * 濡傛灉浠嶄汉瓒呮檪锛屽墖寮峰埗閫�鍑�.
+     * 鍙﹀鍦╯hutdown鏃剁嚎绋嬫湰韬璋冪敤涓柇鍋氫簡澶勭悊.
+     */
+    public static void shutdownAndAwaitTermination(ExecutorService pool)
+    {
+        if (pool != null && !pool.isShutdown())
+        {
+            pool.shutdown();
+            try
+            {
+                if (!pool.awaitTermination(120, TimeUnit.SECONDS))
+                {
+                    pool.shutdownNow();
+                    if (!pool.awaitTermination(120, TimeUnit.SECONDS))
+                    {
+                        logger.info("Pool did not terminate");
+                    }
+                }
+            }
+            catch (InterruptedException ie)
+            {
+                pool.shutdownNow();
+                Thread.currentThread().interrupt();
+            }
+        }
+    }
+
+    /**
+     * 鎵撳嵃绾跨▼寮傚父淇℃伅
+     */
+    public static void printException(Runnable r, Throwable t)
+    {
+        if (t == null && r instanceof Future<?>)
+        {
+            try
+            {
+                Future<?> future = (Future<?>) r;
+                if (future.isDone())
+                {
+                    future.get();
+                }
+            }
+            catch (CancellationException ce)
+            {
+                t = ce;
+            }
+            catch (ExecutionException ee)
+            {
+                t = ee.getCause();
+            }
+            catch (InterruptedException ie)
+            {
+                Thread.currentThread().interrupt();
+            }
+        }
+        if (t != null)
+        {
+            logger.error(t.getMessage(), t);
+        }
+    }
+}

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