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.svn/pristine/09/09b7f50515939483a29f46f368d7bd7db0165b49.svn-base

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+package shortUrlMgr
+
+import (
+	"encoding/json"
+	"fmt"
+	"time"
+
+	"goutil/securityUtil"
+	"goutil/stringUtil"
+	"goutil/webUtil"
+)
+
+var (
+	ShortUrl_SERVICE_URL = "http://a.app366.com/get"
+)
+
+// 服务器的响应对象
+type QueryResponse struct {
+	// 响应结果的状态值
+	ResultStatus string
+
+	// 响应结果的数据
+	Data string
+}
+
+// 获取短链
+// appId: 为应用分配的唯一标识
+// appSecret: 为应用分配的密钥
+// fullUrl: 完整的Url
+// timeout:超时时间（单位：秒）
+// 返回值：
+// ipInfoObj: IP地址信息对象
+// err: 错误对象
+func GetShortUrl(appId, appSecret, fullUrl string, timeout int) (shortUrl string, err error) {
+	timeStamp := fmt.Sprintf("%d", time.Now().Unix())
+	fullUrl = stringUtil.Base64Encode(fullUrl)
+	rawString := fmt.Sprintf("AppId=%s&FullUrl=%s&Timestamp=%s&AppSecret=%s", appId, fullUrl, timeStamp, appSecret)
+	sign := securityUtil.Md5String(rawString, true)
+
+	postData := make(map[string]string, 5)
+	postData["AppId"] = appId
+	postData["FullUrl"] = fullUrl
+	postData["Timestamp"] = timeStamp
+	postData["Sign"] = sign
+
+	header := webUtil.GetFormHeader()
+	transport := webUtil.NewTransport()
+	transport.DisableKeepAlives = true
+	transport = webUtil.GetTimeoutTransport(transport, timeout)
+	statusCode, result, err := webUtil.PostMapData(ShortUrl_SERVICE_URL, postData, header, transport)
+	if err != nil {
+		return
+	}
+	if statusCode != 200 {
+		err = fmt.Errorf("StatusCode:%d is wrong.", statusCode)
+		return
+	}
+
+	var queryResponseObj *QueryResponse
+	err = json.Unmarshal(result, &queryResponseObj)
+	if err != nil {
+		return
+	}
+
+	if queryResponseObj.ResultStatus != "" {
+		err = fmt.Errorf("Query result:%s", queryResponseObj.ResultStatus)
+		return
+	}
+
+	shortUrl = queryResponseObj.Data
+
+	return
+}