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本文介紹了僅在某些設備上出現無法解析的日期的處理方法，對大家解決問題具有一定的參考價值，需要的朋友們下面隨著小編來一起學習吧！

問題描述

我面臨著一個非常奇怪的問題。
解析此字符串2016-09-06 05:18:06.023 PM時，出現以下異常-java.text.ParseException: Unparseable date: "2016-09-06 05:18:06.023 PM" (at offset 24)

奇怪的是，發生此異常的設備是朋友的Nexus 5。但是，如果我在我的Nexus 5/其他幾個仿真器上調試相同的字符串，它工作得很好。

以下是我正在使用的代碼。SimpleDateFormat屬于java.text包。Date屬于java.util包

    SimpleDateFormat formatGMT = new SimpleDateFormat("yyyy-MM-dd KK:mm:ss.SSS a");
    formatGMT.setTimeZone(TimeZone.getTimeZone("GMT"));
    try {
      date = formatGMT.parse("2016-09-06 05:18:06.023 PM");
     } catch (ParseException e) {
      Crashlytics.log(Log.ERROR, "DB Insertion error", e.getMessage().toString());
      Crashlytics.logException(e);
      e.printStackTrace();
     }

這是完整的堆棧跟蹤。

  # Crashlytics - plaintext stacktrace  Wed, 07 Sep 2016 03:37:44 GMT


# Platform: android

# Bundle Identifier: com.mypackage.app
# Issue #: 306

# Date: 2016-09-06T17:18:04Z
# OS Version: 6.0.1
# Device: Nexus 5
# RAM Free: 36.5%
# Disk Free: 11%

#0. Crashed: pool-3-thread-3: 0 0 0x0000000000000000
       at java.text.DateFormat.parse(DateFormat.java:579)
       at com.mypackage.app.MyService$16$1.execute(MyService.java:1670)
       at io.realm.Realm$1.run(Realm.java:1187)
       at io.realm.internal.async.BgPriorityRunnable.run(BgPriorityRunnable.java:34)
       at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:423)
       at java.util.concurrent.FutureTask.run(FutureTask.java:237)
       at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1113)
       at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:588)
       at java.lang.Thread.run(Thread.java:818)

--

Non-fatal Exception: java.text.ParseException: Unparseable date: "2016-09-06 05:18:06.023 PM" (at offset 24)
       at java.text.DateFormat.parse(DateFormat.java:579)
       at com.mypackage.MyService$16$1.execute(MyService.java:1670)
       at io.realm.Realm$1.run(Realm.java:1187)
       at io.realm.internal.async.BgPriorityRunnable.run(BgPriorityRunnable.java:34)
       at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:423)
       at java.util.concurrent.FutureTask.run(FutureTask.java:237)
       at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1113)
       at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:588)
       at java.lang.Thread.run(Thread.java:818)

#0. Crashed: pool-3-thread-3: 0 0 0x0000000000000000
       at java.text.DateFormat.parse(DateFormat.java:579)
       at com.mypackage.MyService$16$1.execute(MyService.java:1670)
       at io.realm.Realm$1.run(Realm.java:1187)
       at io.realm.internal.async.BgPriorityRunnable.run(BgPriorityRunnable.java:34)
       at java.util.concurrent.Executors$RunnableAdapter.call(Executors.java:423)
       at java.util.concurrent.FutureTask.run(FutureTask.java:237)
       at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1113)
       at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:588)
       at java.lang.Thread.run(Thread.java:818)

推薦答案

它可能會受到設備默認區域設置中的am/pm符號的影響，因此請嘗試使用下面的區域設置來解析它將對您有幫助的日期。

   SimpleDateFormat formatGMT = new SimpleDateFormat("yyyy-MM-dd KK:mm:ss.SSS a", Locale.US);

      formatGMT.setTimeZone(TimeZone.getTimeZone("GMT"));

      try 
      {
             date = formatGMT.parse("2016-09-06 05:18:06.023 PM");
      } 
      catch (ParseException e)
      {
             Crashlytics.log(Log.ERROR, "DB Insertion error", e.getMessage().toString());
             Crashlytics.logException(e);
             e.printStackTrace();
      }

這篇關于僅在某些設備上出現無法解析的日期的文章就介紹到這了，希望我們推薦的答案對大家有所幫助，