/// <summary>
/// 查找或者更新数据
/// </summary>
/// <param name="ip">所属ip</param>
/// <param name="acc">账号</param>
/// <param name="newpass">新密码</param>
/// <returns></returns>
public static bool SearchOrUpdate(LocalUserMod user, String gender)
{
//先判断是否存在文件
Create(@xmlPath);
//装载文件
XmlDocument doc = new XmlDocument();
doc.Load(@xmlPath);
XmlElement root = doc.DocumentElement;
var nodes = root.GetElementsByTagName(gender);
foreach (XmlNode node in nodes) //male
{
foreach (XmlNode inode in node.ChildNodes) //ID
{
if (inode.Attributes[0].Value.Equals(user.Num)) //如果该学号已经存在，更新数据
{
inode.FirstChild.InnerText = user.Name;
inode.LastChild.InnerText = user.Freature;
//保存结果
doc.Save(@xmlPath);
return(true); //存在，且更新了
}
}
}
//查找的IP不存在
return(false);
}
/// <summary>
/// 添加一条记录
/// </summary>
/// <param name="ip">所属ip</param>
/// <param name="nacc">账号</param>
/// <param name="npass">密码</param>
public static void AddOneData(LocalUserMod user, String gender)
{
//先判断是否存在文件
Create(@xmlPath);
//装载文件
XmlDocument doc = new XmlDocument();
doc.Load(@xmlPath);
XmlElement root = doc.DocumentElement;
var nodes = root.GetElementsByTagName(gender); //male
foreach (XmlNode node in nodes)
{
if (SearchOrUpdate(user, gender))
{
return;
}
}
//新增连接、账号信息
XmlElement newCon = doc.CreateElement("ID");
newCon.SetAttribute("id", user.Num);
XmlElement temp1 = doc.CreateElement("Name");
temp1.InnerText = user.Name;
XmlElement temp2 = doc.CreateElement("Feature");
temp2.InnerText = user.Freature;
newCon.AppendChild(temp1);
newCon.AppendChild(temp2);
nodes.Item(0).AppendChild(newCon);
//root.AppendChild(newCon);
doc.Save(@xmlPath);
}
/// <summary>
/// 注册事件触发函数
/// </summary>
/// <param name="sender"></param>
/// <param name="args">变量参数</param>
public static void NewUserRegist(object sender, myEventArgs.RegistArgs args)
{
/****************************
* 保存特征值时才区分性别
* **************************/
//下载图片到本地
String url = String.Format("{0}/{1}_{2}.{3}",
Url_DldImg, args.Regist.Id, args.Regist.Name, args.Regist.Extension);
String pathImg = String.Format("{0}\\{1}_{2}.{3}",
ImgRootPath_Regist, args.Regist.Id, args.Regist.Name, args.Regist.Extension);
HttpUtil.downFile(url, pathImg);
//判断性别（假设性别判断 100% 准确）
try
{
ResultCode result = EngineActivate.ActivateEngine(APPID, APPKEY);
if (result != ResultCode.SDK已激活)
{
Console.WriteLine(result.ToString());
return;
}
IntPtr hengine = EngineFactory.GetEngineInstance(EngineFactory.Image,
DetectionOrientPriority.ASF_OP_0_ONLY, 16); //检测角度指人脸在照片中的角度
Bitmap img1 = new Bitmap(pathImg);
var face = new FaceDetection(hengine, img1);
var r = face.GetGender();
LocalUserMod temp1 = new LocalUserMod();
temp1.Name = args.Regist.Name;
temp1.Num = args.Regist.Id;
//用Base64转码
temp1.Freature = Convert.ToBase64String(face.getFaceFeature(img1));
//销毁图片
img1.Dispose();
//提取特征值保存
switch (r)
{
case "男":
XmlUtil.AddOneData(temp1, "Male");
break;
case "女":
XmlUtil.AddOneData(temp1, "Female");
break;
default:
Console.WriteLine("获取性别失败！用户：{0} , 学号：{1}，注册时间：{2}",
args.Regist.Name, args.Regist.Id, DateTime.Now.ToString());
return;
}
//提示用户注册
Console.WriteLine("User registed: {0} at {1}", args.Regist.Name, DateTime.Now.ToString());
//更新用户信息
//令写一个函数
getAllUserInfo();
}
catch (Exception ex)
{
Console.WriteLine("Regist Error: {0}", ex.Message);
}
finally
{
EngineFactory.DisposeEngine();
}
}