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os/gfile/gfile_z_example_cache_test.go
43 строки
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John Guo
fix issue in configuration StdoutColorDisabled for package glog; rename TempDir to Temp for package gfile
14 фев 2022, 09:50
14 фев 2022, 09:50
5f2047d
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// Copyright GoFrame Author(https://goframe.org). All Rights Reserved. // // This Source Code Form is subject to the terms of the MIT License. // If a copy of the MIT was not distributed with this file, // You can obtain one at https://github.com/gogf/gf. package gfile_test import ( "fmt" "time" "github.com/gogf/gf/v2/os/gfile" ) func ExampleGetContentsWithCache() { // init var ( fileName = "gflie_example.txt" tempDir = gfile.Temp("gfile_example_cache") tempFile = gfile.Join(tempDir, fileName) ) // write contents gfile.PutContents(tempFile, "goframe example content") // It reads the file content with cache duration of one minute, // which means it reads from cache after then without any IO operations within on minute. fmt.Println(gfile.GetContentsWithCache(tempFile, time.Minute)) // write new contents will clear its cache gfile.PutContents(tempFile, "new goframe example content") // There's some delay for cache clearing after file content change. time.Sleep(time.Second * 1) // read contents fmt.Println(gfile.GetContentsWithCache(tempFile)) // May Output: // goframe example content // new goframe example content }