From 7f894dc715c8176ba9ef18baaeb0be1d591c6d46 Mon Sep 17 00:00:00 2001
From: alex cai <caiyingyao@ibbd.net>
Date: Sun, 6 Nov 2016 17:48:13 +0800
Subject: [PATCH] =?UTF-8?q?=E5=A2=9E=E5=8A=A0=E8=AE=BE=E7=BD=AE=E8=BE=93?=
 =?UTF-8?q?=E5=87=BA=E7=AD=89=E7=BA=A7=E6=8E=A5=E5=8F=A3?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 README.md | 25 ++++++++++++++-----------
 level.go  |  4 ++++
 2 files changed, 18 insertions(+), 11 deletions(-)

diff --git a/README.md b/README.md
index d098b66..f3d1d54 100644
--- a/README.md
+++ b/README.md
@@ -30,27 +30,30 @@ go get -u github.com/ibbd-dev/go-async-log
 普通写入日志文件
 
 ```go
-	lf := asyncLog.NewLogFile("/tmp/test.log")
+lf := asyncLog.NewLogFile("/tmp/test.log")
 
-    // 设置按天切割文件，如果默认则是按小时
-	lf.SetRotate(asyncLog.RotateDate)
+// 设置按天切割文件，如果默认则是按小时
+lf.SetRotate(asyncLog.RotateDate)
 
-	_ = lf.Write("lf: hello world")
+_ = lf.Write("lf: hello world")
 
-    // 注意：因为是每秒写入一次，所以这里需要暂停一下
-	time.Sleep(time.Second * 2)
+// 注意：因为是每秒写入一次，所以这里需要暂停一下
+time.Sleep(time.Second * 2)
 
 ```
 
 写入错误等级文件
 
 ```go
-	infoFile := asyncLog.NewLevelLog("/tmp/test-info.log", asyncLog.LevelInfo)  // 只有Info级别或者以上级别的日志才会被记录
-	infoFile.Debug("hello world") // 该日志不会写入文件
-	infoFile.Info("hello world")
-	infoFile.Error("hello world")
+infoFile := asyncLog.NewLevelLog("/tmp/test-info.log", asyncLog.LevelInfo)  // 只有Info级别或者以上级别的日志才会被记录
+infoFile.Debug("hello world") // 该日志不会写入文件
+infoFile.Info("hello world")
+infoFile.Error("hello world")
 
-	time.Sleep(time.Second * 2)
+// 需要改变日志写入等级时，例如测试阶段
+infoFile.SetLevel(asyncLog.LevelDebug)
+
+time.Sleep(time.Second * 2)
 ```
 
 ## 性能数据
diff --git a/level.go b/level.go
index 787bccc..c8cd1f2 100644
--- a/level.go
+++ b/level.go
@@ -33,6 +33,10 @@ func NewLevelLog(filename string, logLevel Priority) *LogFile {
 	return lf
 }
 
+func (lf *LogFile) SetLevel(logLevel Priority) {
+	lf.level = logLevel
+}
+
 func (lf *LogFile) Debug(msg string) error {
 	return lf.writeLevelMsg(msg, LevelDebug)
 }