Create Writer_Flush.md

lanzhiwang · Mar 12, 2013 · 694e38d · 694e38d
1 parent 6d8b7ac
commit 694e38d
Showing 1 changed file with 33 additions and 0 deletions.
diff --git a/bufio/Writer_Flush.md b/bufio/Writer_Flush.md
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+## func (b *Writer) Flush() error
+
+返回值
+
+- 错误
+
+功能说明
+
+- Flush把已经写入缓冲区的数据写入底层的io.Writer
+
+代码示例
+
+	package main
+
+	import (
+		"bufio"
+		"bytes"
+		"fmt"
+	)
+
+	func main() {
+		wb := bytes.NewBuffer(nil)
+		w := bufio.NewWriter(wb)
+		w.Write([]byte("123456"))
+		fmt.Printf("%d:%s\n", len(wb.Bytes()), string(wb.Bytes()))
+		w.Flush()
+		fmt.Printf("%d:%s\n", len(wb.Bytes()), string(wb.Bytes()))
+	}
+
+代码输出
+
+	0:
+	6:123456