Merge pull request #15 from mohong122/master

Golang binding 增加控制台实例

binding/golang/README.md

@@ -1,6 +1,6 @@
-golang 实现ip地址查询
+###golang 实现ip地址查询
 
-获取
+####获取
 
 ```
 go get github.com/mohong122/ip2region/binding/golang
@@ -9,7 +9,7 @@ go get github.com/mohong122/ip2region/binding/golang
 
 
 
-使用
+####使用
 
 ```golang
 
@@ -38,7 +38,7 @@ func main() {
 
 ```
 
-返回对象
+####返回对象
 ```golang
 type IpInfo struct {
 	CityId   int64
@@ -50,7 +50,7 @@ type IpInfo struct {
 }
 ```
 
-性能
+#### 性能
 
 |名称|次数|平均耗时|
 |---|---|------|
@@ -58,3 +58,32 @@ BenchmarkBtreeSearch-4|    200000 |             7715 ns/op
 BenchmarkMemorySearch-4|  2000000  |             840 ns/op
 BenchmarkBinarySearch-4|    30000   |          42680 ns/op
 
+
+#### 测试程序
+
+```
+cd /binging/golang
+
+go run main.go ../../data/ip2Region.db
+
+Or
+
+go build -o ip2region main.go
+./ip2region ../../data/ip2region.db
+
+```
+
+会看到如下界面
+
+```
+initializing
++-------------------------------------------------------+
+| ip2region test script                                 |
+| format 'ip type'                                      |
+| type option 'b-tree','binary','memory' default b-tree |
+| Type 'quit' to exit program                           |
++-------------------------------------------------------+
+ip2reginon >> 127.0.0.1 memory
+0|未分配或者内网IP|0|0|0|0  960.5µs
+
+```

binding/golang/ip2Region.go

@@ -48,6 +48,10 @@ type IpInfo struct {
 	ISP      string
 }
 
+func (ip IpInfo)String() string {
+	return strconv.FormatInt(ip.CityId, 10) + "|" + ip.Country + "|" + ip.Region + "|" + ip.Province + "|" + ip.City + "|" + ip.ISP
+}
+
 func getIpInfo(cityId int64, line []byte) IpInfo {
 
 	lineSlice := strings.Split(string(line), "|")

binding/golang/main.go

@@ -0,0 +1,70 @@
+package main
+
+import (
+	"os"
+	"github.com/mohong122/ip2region/binding/golang"
+	"bufio"
+	"fmt"
+	"strings"
+	"errors"
+	"time"
+
+)
+
+func main() {
+
+	db := os.Args[1]
+
+	_,err:= os.Stat(db)
+	if os.IsNotExist(err){
+		panic("not found db " + db)
+	}
+
+	region, err := ip2region.New(db)
+	defer region.Close()
+	fmt.Println(`initializing
++-------------------------------------------------------+
+| ip2region test script                                 |
+| format 'ip type'                                      |
+| type option 'b-tree','binary','memory' default b-tree |
+| Type 'quit' to exit program                           |
++-------------------------------------------------------+`)
+
+	reader := bufio.NewReader(os.Stdin)
+	for {
+		fmt.Print("ip2reginon >> ")
+		data, _, _ := reader.ReadLine()
+		begin:= time.Now()
+		commands := strings.Fields(string(data))
+		ip := ip2region.IpInfo{}
+		len := len(commands)
+		if len == 0{
+			continue
+		}
+
+		if commands[0] == "quit"{
+			break
+		}
+
+		if !(len > 1) {
+			commands = append(commands, "b-tree")
+		}
+		switch commands[1] {
+		case "b-tree":
+			ip, err = region.BtreeSearch(commands[0])
+		case "binary":
+			ip, err = region.BinarySearch(commands[0])
+		case "memory":
+			ip, err = region.MemorySearch(commands[0])
+		default:
+			err = errors.New("parameter error")
+		}
+
+		if err != nil {
+
+			fmt.Println( fmt.Sprintf("\x1b[0;31m%s\x1b[0m",err.Error()))
+		}else{
+			fmt.Println( fmt.Sprintf("\x1b[0;32m%s  %s\x1b[0m",ip.String(),time.Since(begin).String()))
+		}
+	}
+}