update readme

Author: inhere

README.md

@@ -33,6 +33,7 @@ Now, 256 colors and RGB colors have also been supported to work in Windows CMD a
     - Support working on Windows `cmd` `powerShell` terminal
   - Basic colors: `Bold`, `Black`, `White`, `Gray`, `Red`, `Green`, `Yellow`, `Blue`, `Magenta`, `Cyan`
   - Additional styles: `Info`, `Note`, `Light`, `Error`, `Danger`, `Notice`, `Success`, `Comment`, `Primary`, `Warning`, `Question`, `Secondary`
+  - Support by set `NO_COLOR` for disable color or use `FORCE_COLOR` for force open color render.
 
 ## GoDoc
 

README.zh-CN.md

@@ -29,10 +29,12 @@ Golang下的命令行色彩使用库, 拥有丰富的色彩渲染输出，通用
     - 自 `v1.2.4` 起 **256色(8bit)，RGB色彩(24bit)均支持Windows CMD和PowerShell终端**
     - 请查看 [this gist](https://gist.github.com/XVilka/8346728) 了解支持RGB色彩的终端
   - 通用的API方法：`Print` `Printf` `Println` `Sprint` `Sprintf`
-  - 同时支持html标签式的颜色渲染. eg: `<green>message</>`
+  - 同时支持html标签式的颜色渲染.
+    - 例如: `this an <green>message</>` 标签内部的文本将会渲染为绿色字体
   - 基础色彩: `Bold` `Black` `White` `Gray` `Red` `Green` `Yellow` `Blue` `Magenta` `Cyan`
   - 扩展风格: `Info` `Note` `Light` `Error` `Danger` `Notice` `Success` `Comment` `Primary` `Warning` `Question` `Secondary`
-  - 支持Linux、Mac同时兼容Windows系统环境
+  - 支持通过设置环境变量 `NO_COLOR` 来禁用色彩，或者使用 `FORCE_COLOR` 来强制使用色彩渲染.
+  - 支持Linux、Mac，同时兼容Windows系统环境
 
 ## GoDoc
 

color.go

@@ -185,6 +185,40 @@ func InnerErrs() []error {
 	return innerErrs
 }
 
+/*************************************************************
+ * quick use color/style print line message
+ *************************************************************/
+
+// Infof print message with Info style
+func Infof(format string, a ...interface{}) {
+	Info.Printf(format, a...)
+}
+
+// Infoln print message with Info style
+func Infoln(a ...interface{}) {
+	Info.Println(a...)
+}
+
+// Errorf print message with Error style
+func Errorf(format string, a ...interface{}) {
+	Error.Printf(format, a...)
+}
+
+// Errorln print message with Error style
+func Errorln(a ...interface{}) {
+	Error.Println(a...)
+}
+
+// Warnf print message with Warn style
+func Warnf(format string, a ...interface{}) {
+	Warn.Printf(format, a...)
+}
+
+// Warnln print message with Warn style
+func Warnln(a ...interface{}) {
+	Warn.Println(a...)
+}
+
 /*************************************************************
  * render color code
  *************************************************************/

style.go

@@ -255,40 +255,6 @@ func GetStyle(name string) Style {
 	return New()
 }
 
-/*************************************************************
- * quick use style print message
- *************************************************************/
-
-// Infof print message with Info style
-func Infof(format string, a ...interface{}) {
-	Info.Printf(format, a...)
-}
-
-// Infoln print message with Info style
-func Infoln(a ...interface{}) {
-	Info.Println(a...)
-}
-
-// Errorf print message with Error style
-func Errorf(format string, a ...interface{}) {
-	Error.Printf(format, a...)
-}
-
-// Errorln print message with Error style
-func Errorln(a ...interface{}) {
-	Error.Println(a...)
-}
-
-// Warnf print message with Warn style
-func Warnf(format string, a ...interface{}) {
-	Warn.Printf(format, a...)
-}
-
-// Warnln print message with Warn style
-func Warnln(a ...interface{}) {
-	Warn.Println(a...)
-}
-
 /*************************************************************
  * color scheme
  *************************************************************/