Merge pull request #3146 from Wang-Kai/master

Add code style for logs README

logs/README.md

@@ -16,48 +16,57 @@ As of now this logs support console, file,smtp and conn.
 
 First you must import it
 
-	import (
-		"github.com/astaxie/beego/logs"
-	)
+```golang
+import (
+	"github.com/astaxie/beego/logs"
+)
+```
 
 Then init a Log (example with console adapter)
 
-	log := NewLogger(10000)
-	log.SetLogger("console", "")	
+```golang
+log := logs.NewLogger(10000)
+log.SetLogger("console", "")
+```
 
 > the first params stand for how many channel
 
-Use it like this:	
-	
-	log.Trace("trace")
-	log.Info("info")
-	log.Warn("warning")
-	log.Debug("debug")
-	log.Critical("critical")
+Use it like this:
 
+```golang
+log.Trace("trace")
+log.Info("info")
+log.Warn("warning")
+log.Debug("debug")
+log.Critical("critical")
+```
 
 ## File adapter
 
 Configure file adapter like this:
 
-	log := NewLogger(10000)
-	log.SetLogger("file", `{"filename":"test.log"}`)
-
+```golang
+log := NewLogger(10000)
+log.SetLogger("file", `{"filename":"test.log"}`)
+```
 
 ## Conn adapter
 
 Configure like this:
 
-	log := NewLogger(1000)
-	log.SetLogger("conn", `{"net":"tcp","addr":":7020"}`)
-	log.Info("info")
-
+```golang
+log := NewLogger(1000)
+log.SetLogger("conn", `{"net":"tcp","addr":":7020"}`)
+log.Info("info")
+```
 
 ## Smtp adapter
 
 Configure like this:
 
-	log := NewLogger(10000)
-	log.SetLogger("smtp", `{"username":"beegotest@gmail.com","password":"xxxxxxxx","host":"smtp.gmail.com:587","sendTos":["xiemengjun@gmail.com"]}`)
-	log.Critical("sendmail critical")
-	time.Sleep(time.Second * 30)
+```golang
+log := NewLogger(10000)
+log.SetLogger("smtp", `{"username":"beegotest@gmail.com","password":"xxxxxxxx","host":"smtp.gmail.com:587","sendTos":["xiemengjun@gmail.com"]}`)
+log.Critical("sendmail critical")
+time.Sleep(time.Second * 30)
+```