生成00~FF

Author: hwholiday

kafka/kafka_test.go

@@ -36,7 +36,7 @@ func Test_Producer(t *testing.T) {
 			case err := <-AsyncProducer.Errors():
 				fmt.Println("AsyncProducer.Errors()", err.Error())
 			}
-		}
+                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        ，	，，	}
 	}()
 	for {
 		Message := &sarama.ProducerMessage{

other/00_ff_test.go

@@ -0,0 +1,17 @@
+package main
+
+import (
+	"fmt"
+	"math/rand"
+	"testing"
+	"time"
+)
+
+//可以作为 hbase rowkey 前置补0
+func TestFF(t *testing.T) {
+	rand.Seed(time.Now().Unix())
+	for i := 1; i <= 256; i++ {
+		a := fmt.Sprintf("%02x", rand.Intn(256))
+		t.Log(a)
+	}
+}