给一个文件里的内容按规则排序

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report.txt文件里有以下内容：记录了一些方法的执行时间，要求按执行时间降序排列。

void com.dustpan.zeus.core.service.MergeService.startService(int)|2
void com.dustpan.zeus.core.service.InitShopDateService.startService(int)|1
boolean com.dustpan.zeus.core.service.MergeService.executeGePrintSyncTask()|475
boolean com.dustpan.zeus.core.service.InitShopDateService.executeInitShopTask()|96
boolean com.dustpan.zeus.core.service.MergeService.executeGePrintSyncTask()|1013
boolean com.dustpan.zeus.core.service.InitShopDateService.executeInitShopTask()|184
boolean com.dustpan.zeus.core.service.MergeService.executeGePrintSyncTask()|729
boolean com.dustpan.zeus.core.service.InitShopDateService.executeInitShopTask()|14
boolean com.dustpan.zeus.core.service.MergeService.executeGePrintSyncTask()|394
boolean com.dustpan.zeus.core.service.InitShopDateService.executeInitShopTask()|90
boolean com.dustpan.zeus.core.service.MergeService.executeGePrintSyncTask()|569
boolean com.dustpan.zeus.core.service.InitShopDateService.executeInitShopTask()|796
boolean com.dustpan.zeus.core.service.MergeService.executeGePrintSyncTask()|1648
boolean com.dustpan.zeus.core.service.InitShopDateService.executeInitShopTask()|82
boolean com.dustpan.zeus.core.service.MergeService.executeGePrintSyncTask()|1018
boolean com.dustpan.zeus.core.service.InitShopDateService.executeInitShopTask()|14
boolean com.dustpan.zeus.core.service.MergeService.executeGePrintSyncTask()|937
boolean com.dustpan.zeus.core.service.InitShopDateService.executeInitShopTask()|17
boolean com.dustpan.zeus.core.service.MergeService.executeGePrintSyncTask()|601
boolean com.dustpan.zeus.core.service.InitShopDateService.executeInitShopTask()|52
boolean com.dustpan.zeus.core.service.MergeService.executeGePrintSyncTask()|5081
boolean com.dustpan.zeus.core.service.InitShopDateService.executeInitShopTask()|388
boolean com.dustpan.zeus.core.service.MergeService.executeGePrintSyncTask()|198
boolean com.dustpan.zeus.core.service.InitShopDateService.executeInitShopTask()|11
boolean com.dustpan.zeus.core.service.MergeService.executeGePrintSyncTask()|203
boolean com.dustpan.zeus.core.service.InitShopDateService.executeInitShopTask()|11
boolean com.dustpan.zeus.core.service.MergeService.executeGePrintSyncTask()|241
boolean com.dustpan.zeus.core.service.InitShopDateService.executeInitShopTask()|13
boolean com.dustpan.zeus.core.service.MergeService.executeGePrintSyncTask()|176
boolean com.dustpan.zeus.core.service.InitShopDateService.executeInitShopTask()|12
boolean com.dustpan.zeus.core.service.MergeService.executeGePrintSyncTask()|206
boolean com.dustpan.zeus.core.service.InitShopDateService.executeInitShopTask()|33
boolean com.dustpan.zeus.core.service.MergeService.executeGePrintSyncTask()|242
boolean com.dustpan.zeus.core.service.InitShopDateService.executeInitShopTask()|19

给一个文件里的内容按规则排序

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原文地址：http://www.cnblogs.com/lomoye/p/5862326.html