fix #1 Add new import go.uber.org/zap

Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>

README.md

@@ -5,6 +5,7 @@
 [![Join the chat at https://gitter.im/gin-gonic/gin](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/gin-gonic/gin)
 
 Alternative logging through [zap](https://github.com/uber-go/zap). Thanks for [Pull Request](https://github.com/gin-gonic/contrib/pull/129) from [@yezooz](https://github.com/yezooz)
+
 ## Example
 
 See the [example](example/main.go).

example/main.go

@@ -6,22 +6,19 @@ import (
 
 	"github.com/gin-contrib/zap"
 	"github.com/gin-gonic/gin"
-	"github.com/uber-go/zap"
+	"go.uber.org/zap"
 )
 
 func main() {
 	r := gin.New()
 
-	log := zap.New(
-		zap.NewTextEncoder(),
-		zap.DebugLevel,
-	)
+	logger, _ := zap.NewProduction()
 
 	// Add a ginzap middleware, which:
 	//   - Logs all requests, like a combined access and error log.
 	//   - Logs to stdout.
 	//   - RFC3339 with UTC time format.
-	r.Use(ginzap.Ginzap(log, time.RFC3339, true))
+	r.Use(ginzap.Ginzap(logger, time.RFC3339, true))
 
 	// Example ping request.
 	r.GET("/ping", func(c *gin.Context) {

zap.go

@@ -6,7 +6,7 @@ import (
 	"time"
 
 	"github.com/gin-gonic/gin"
-	"github.com/uber-go/zap"
+	"go.uber.org/zap"
 )
 
 // Ginzap returns a gin.HandlerFunc (middleware) that logs requests using uber-go/zap.
@@ -17,7 +17,7 @@ import (
 // It receives:
 //   1. A time package format string (e.g. time.RFC3339).
 //   2. A boolean stating whether to use UTC time zone or local.
-func Ginzap(logger zap.Logger, timeFormat string, utc bool) gin.HandlerFunc {
+func Ginzap(logger *zap.Logger, timeFormat string, utc bool) gin.HandlerFunc {
 	return func(c *gin.Context) {
 		start := time.Now()
 		// some evil middlewares modify this values