/// <summary>
/// 采集单篇文章
/// </summary>
/// <param name="pageUri"></param>
/// <param name="func"></param>
public void InvokeSingle(string pageUri, DataPackFunc func)
{
int i = 0;
this.State.TotalCount = 1;
GetPageData(pageUri, ref i, func);
}
private static void Download_Project1()
{
DateTime dt = DateTime.Now;
Project pro = director.GetProject("ifengmainland");
pro.UseMultiThread = true;
if (pro == null)
{
Console.WriteLine("项目不存在!"); return;
}
Console.WriteLine("项目:{0}开始下载数据!", pro.Name);
int i = 0;
DataPackFunc func = pk =>
{
/*
* db.ExecuteNonQuery("INSERT INTO test([title],[content],[createDate]) VALUES(@Title,@Content,@SubmitDate)",
* db.NewParameter("@Title", pk["title"]),
* db.NewParameter("@Content", pk["content"]),
* db.NewParameter("@SubmitDate", string.Format("{0:yyyy-MM-dd HH:mm:ss}", DateTime.Now)));
*/
++i;
Console.WriteLine("入库第{0}条->{1} [总用时：{2}s]", i, pk["title"], (DateTime.Now - dt).Seconds.ToString());
};
/*
* DataPack pack = new DataPack(pro.Rules);
* pack["title"] = "1";
* pack["content"]="content";
* func(pack);*/
// pro.InvokeList(1, func);
//pro.InvokeList(2, func);
for (var j = 0; j < 100; j++)
{
pro.InvokeList(j + 1, false, func);
}
//Console.WriteLine(pro.Collect("2").Count.ToString());
}
/// <summary>
/// ��ȡһ��ҳ������ݲ�����
/// </summary>
/// <param name="pageUri">ҳ���ַ</param>
/// <param name="number">ά��һ������,�ж������Ƿ����</param>
/// <returns></returns>
private DataPack GetPageData(string pageUri, ref int number, DataPackFunc func)
{
DataPack dp;
int bufferLength = 10;
byte[] buffer = new byte[bufferLength]; //���ص����ݻ�����
StringBuilder sb = new StringBuilder(); //���췵�صĽ��
Match match; //����ƥ��
//ҳ���ַ��ҳ���ַ����ƥ�䣡
if (!Regex.IsMatch(pageUri, this.FormatedPageUriRule))
{
++number;
state.FailCount++;
return null;
//throw new ArgumentException("ҳ���ַ��ҳ���ַ����ƥ�䣡", pageUri);
}
//���ҳ���ַΪ���·�������������
if (absoluteUriRegex.IsMatch(pageUri)) pageUri = GetBasePath(pageUri) + pageUri;
//����ҳ���HTML
string html = String.Empty;
try
{
HttpWebRequest req = (HttpWebRequest) WebRequest.Create(pageUri);
req.Timeout = this.RequestTimeOut;
Stream stream = req.GetResponse().GetResponseStream();
html = sb.ToString();
using (StreamReader sr = new StreamReader(stream, this.Encode))
{
html = sr.ReadToEnd();
}
}
catch (Exception exc)
{
state.FailCount++;
return null;
}
//������ص�����
#if DEBUG
Console.WriteLine("\r\n------------------------------\r\n�õ�ƥ����б�����Ϊ:{0}",html);
#endif
dp = new DataPack(Rules, pageUri);
foreach (string propertyName in this.Rules)
{
match = Regex.Match(html, this.Rules[propertyName]);
if (match != null)
{
dp[propertyName] = match.Groups[1].Value;
}
}
#if DEBUG
Console.WriteLine("\r\n-------------------------\r\n");
foreach (KeyValuePair<string, string> pair in dp)
{
Console.WriteLine("{0}->{1}\r\n", pair.Key, pair.Value);
}
#endif
//���¼���
++number;
#if DEBUG
Console.WriteLine("flish");
#endif
//ִ�л�ִ����
if (func != null) func(dp);
//���һ���ɹ��ļ���
state.SuccessCount++;
return dp;
}
/// <summary>
/// �����б�ҳ��,���Խ��ִ�л�ִ����
/// </summary>
/// <param name="parameter"></param>
private void AnalysisListPage(string pageUri, DataPackFunc func)
{
int taskCount = 0,
//������
taskNumbers = 0; //һ�����������ж������Ƿ����
string html; //���ص��б�ҳ��Html
int bufferLength = 1;
byte[] buffer = new byte[bufferLength]; //���ص����ݻ�����
StringBuilder sb = new StringBuilder(); //���췵�صĽ��
MatchCollection listMatches; //�б��ƥ�估ҳ���ַƥ��
#if DEBUG
Console.WriteLine("��ʼ��:{0}��������...", pageUri);
#endif
//�����б�ҳ����
HttpWebRequest request = (HttpWebRequest) WebRequest.Create(pageUri);
request.Timeout = this.RequestTimeOut;
Stream stream = request.GetResponse().GetResponseStream();
using (StreamReader sr = new StreamReader(stream, this.Encode))
{
html = sr.ReadToEnd();
}
#if DEBUG
Console.WriteLine("���ص�����Ϊ:{0}", html);
#endif
//�����б�ҳ����
listMatches = Regex.Matches(html, RuleFormat.Format(this.ListBlockRule));
//û���ҵ�ƥ��
if (listMatches.Count == 0)
{
#if DEBUG
Console.WriteLine("û�ҵ�ƥ��!");
#endif
return;
}
//����ƥ������
#if DEBUGS
Console.WriteLine("\r\n------------------------------\r\n�õ�ƥ����б�����Ϊ:\r\n");
#endif
Regex pageUriRegex = new Regex(this.FormatedPageUriRule);
//�����ʵ�
IList<string> pageUrls = new List<string>();
foreach (Match m in listMatches)
{
#if DEBUG
Console.WriteLine("\r\n------------------------------------------------\r\n{0}", m.Value);
#endif
foreach (Match pm in pageUriRegex.Matches(m.Value))
{
#if DEBUG
Console.WriteLine(pm.Value);
#endif
pageUrls.Add(pm.Value);
//��ȡҳ�����ݣ��������ִ��������
//���̻߳�ȡ
//if (!UseSingleThread)
//{
// new Thread(() =>
// {
// //���û�ִ����
// GetPageData(pm.Value, ref taskNumbers, func);
// }
// ).Start();
//}
//else //���̵߳���
//{
// //���û�ִ����
// GetPageData(pm.Value, ref taskNumbers, func);
//}
}
}
//����������
taskCount = pageUrls.Count;
if (!this.UseMultiThread) //���߳�
{
foreach (string pageUrl in pageUrls)
{
//���û�ִ����
GetPageData(pageUrl, ref taskNumbers, func);
}
}
else
{
MultiThreadProcess mp = new MultiThreadProcess(5, taskCount);
mp.Start<IList<string>>(urls =>
{
lock (urls)
{
//���û�ִ����
GetPageData(urls[0], ref taskNumbers, func);
pageUrls.Remove(urls[0]);
}
}, pageUrls);
}
//������������
state.TotalCount = taskCount;
//ֱ���߳̾�ִ����ϣ���
do
{
} while (taskNumbers != taskCount);
#if DEBUG
Console.WriteLine("�������....!���ɼ���{0}��", taskCount);
#endif
}
/// <summary>
/// �ɼ���ƪ����
/// </summary>
/// <param name="pageUri"></param>
/// <param name="func"></param>
public void InvokeSingle(string pageUri, DataPackFunc func)
{
int i = 0;
this.State.TotalCount = 1;
GetPageData(pageUri, ref i, func);
}
/// <summary>
/// �ɼ��б�ҳ�����Բɼ��Ľ��ִ�в���
/// </summary>
/// <param name="listUri">�б�ҳ��ַ</param>
/// <param name="func"></param>
public void InvokeList(string listUri, DataPackFunc func)
{
AnalysisListPage(listUri, func);
}
/// <summary>
/// �ɼ��б�ҳ�����Բɼ��Ľ��ִ�в���
/// </summary>
/// <param name="listUriParameter">�б�URI�����еIJ���"{0}"��ֵ</param>
/// <param name="func"></param>
public void InvokeList(object listUriParameter, DataPackFunc func)
{
string uri = String.Format(this.ListUriRule, listUriParameter);
AnalysisListPage(uri, func);
}
/// <summary>
/// 获取一个页面的数据并返回
/// </summary>
/// <param name="pageUri">页面地址</param>
/// <param name="number">维护一个计数,判断任务是否完成</param>
/// <returns></returns>
private DataPack GetPageData(string pageUri, ref int number, DataPackFunc func)
{
DataPack dp;
int bufferLength = 10;
byte[] buffer = new byte[bufferLength]; //下载的数据缓冲区
StringBuilder sb = new StringBuilder(); //构造返回的结果
Match match; //属性匹配
//页面地址跟页面地址规则不匹配！
if (!Regex.IsMatch(pageUri, this.FormatedPageUriRule))
{
++number;
state.FailCount++;
return(null);
//throw new ArgumentException("页面地址跟页面地址规则不匹配！", pageUri);
}
//如果页面地址为相对路径，则加上域名
if (absoluteUriRegex.IsMatch(pageUri))
{
pageUri = GetBasePath(pageUri) + pageUri;
}
//返回页面的HTML
string html = String.Empty;
try
{
HttpWebRequest req = (HttpWebRequest)WebRequest.Create(pageUri);
req.Timeout = this.RequestTimeOut;
Stream stream = req.GetResponse().GetResponseStream();
html = sb.ToString();
using (StreamReader sr = new StreamReader(stream, this.Encode))
{
html = sr.ReadToEnd();
}
}
catch (Exception exc)
{
state.FailCount++;
return(null);
}
//输出返回的数据
#if DEBUG
Console.WriteLine("\r\n------------------------------\r\n得到匹配的列表数据为:{0}", html);
#endif
dp = new DataPack(Rules, pageUri);
foreach (string propertyName in this.Rules)
{
match = Regex.Match(html, this.Rules[propertyName]);
if (match != null)
{
dp[propertyName] = match.Groups[1].Value;
}
}
#if DEBUG
Console.WriteLine("\r\n-------------------------\r\n");
foreach (KeyValuePair <string, string> pair in dp)
{
Console.WriteLine("{0}->{1}\r\n", pair.Key, pair.Value);
}
#endif
//更新计数
++number;
#if DEBUG
Console.WriteLine("flish");
#endif
//执行回执参数
if (func != null)
{
func(dp);
}
//添加一个成功的计数
state.SuccessCount++;
return(dp);
}
/// <summary>
/// 分析列表页面,并对结果执行回执操作
/// </summary>
/// <param name="pageUri"></param>
/// <param name="reverse"></param>
/// <param name="func"></param>
private void AnalysisListPage(string pageUri, bool reverse, DataPackFunc func)
{
int taskCount = 0,
//任务数
taskNumbers = 0; //一个计数用于判定任务是否完成
string html; //下载的列表页面Html
int bufferLength = 1;
byte[] buffer = new byte[bufferLength]; //下载的数据缓冲区
StringBuilder sb = new StringBuilder(); //构造返回的结果
MatchCollection listMatches; //列表块匹配及页面地址匹配
#if DEBUG
Console.WriteLine("开始从:{0}下载数据...", pageUri);
#endif
//下载列表页内容
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(pageUri);
request.Timeout = this.RequestTimeOut;
Stream stream = request.GetResponse().GetResponseStream();
using (StreamReader sr = new StreamReader(stream, this.Encode))
{
html = sr.ReadToEnd();
}
#if DEBUG
Console.WriteLine("返回的数据为:{0}", html);
#endif
//分析列表页代码
listMatches = Regex.Matches(html, RuleFormat.Format(this.ListBlockRule));
//没有找到匹配
if (listMatches.Count == 0)
{
#if DEBUG
Console.WriteLine("没找到匹配!");
#endif
return;
}
//分析匹配数据
#if DEBUGS
Console.WriteLine("\r\n------------------------------\r\n得到匹配的列表数据为:\r\n");
#endif
Regex pageUriRegex = new Regex(this.FormatedPageUriRule);
//创建词典
IList <string> pageUrls = new List <string>();
foreach (Match m in listMatches)
{
#if DEBUG
Console.WriteLine("\r\n------------------------------------------------\r\n{0}", m.Value);
#endif
foreach (Match pm in pageUriRegex.Matches(m.Value))
{
#if DEBUG
Console.WriteLine(pm.Value);
#endif
pageUrls.Add(pm.Value);
//获取页面数据，并添加已执行任务数
//多线程获取
//if (!UseSingleThread)
//{
// new Thread(() =>
// {
// //调用回执方法
// GetPageData(pm.Value, ref taskNumbers, func);
// }
// ).Start();
//}
//else //单线程调用
//{
// //调用回执方法
// GetPageData(pm.Value, ref taskNumbers, func);
//}
}
}
//增加任务数
taskCount = pageUrls.Count;
// 反转顺序
if (reverse)
{
pageUrls = new List <string>(pageUrls.Reverse());
}
if (!this.UseMultiThread) //单线程
{
foreach (string pageUrl in pageUrls)
{
//调用回执方法
GetPageData(pageUrl, ref taskNumbers, func);
}
}
else
{
MultiThreadProcess mp = new MultiThreadProcess(5, taskCount);
mp.Start <IList <string> >(urls =>
{
lock (urls)
{
//调用回执方法
GetPageData(urls[0], ref taskNumbers, func);
pageUrls.Remove(urls[0]);
}
}, pageUrls);
}
//设置任务总数
state.TotalCount = taskCount;
//直到线程均执行完毕，则返回
do
{
} while (taskNumbers != taskCount);
#if DEBUG
Console.WriteLine("任务完成....!共采集到{0}条", taskCount);
#endif
}
/// <summary>
/// 采集列表页，并对采集的结果执行操作
/// </summary>
/// <param name="listUri">列表页地址</param>
/// <param name="reverse"></param>
/// <param name="func"></param>
public void InvokeList(string listUri, bool reverse, DataPackFunc func)
{
AnalysisListPage(listUri, reverse, func);
}
/// <summary>
/// 采集列表页，并对采集的结果执行操作
/// </summary>
/// <param name="listUriParameter">列表URI规则中的参数"{0}"的值</param>
/// <param name="reverse"></param>
/// <param name="func"></param>
public void InvokeList(object listUriParameter, bool reverse, DataPackFunc func)
{
string uri = String.Format(this.ListUriRule, listUriParameter);
AnalysisListPage(uri, reverse, func);
}
/// <summary>
/// ��ȡһ��ҳ������ݲ�����
/// </summary>
/// <param name="pageUri">ҳ���ַ</param>
/// <param name="number">ά��һ������,�ж������Ƿ����</param>
/// <returns></returns>
private DataPack GetPageData(string pageUri, ref int number, DataPackFunc func)
{
DataPack dp;
int bufferLength = 10;
byte[] buffer = new byte[bufferLength]; //���ص����ݻ�����
StringBuilder sb = new StringBuilder(); //���췵�صĽ��
Match match; //����ƥ��
//ҳ���ַ��ҳ���ַ����ƥ�䣡
if (!Regex.IsMatch(pageUri, this.FormatedPageUriRule))
{
++number;
state.FailCount++;
return(null);
//throw new ArgumentException("ҳ���ַ��ҳ���ַ����ƥ�䣡", pageUri);
}
//���ҳ���ַΪ���·�������������
if (absoluteUriRegex.IsMatch(pageUri))
{
pageUri = GetBasePath(pageUri) + pageUri;
}
//����ҳ���HTML
string html = String.Empty;
try
{
HttpWebRequest req = (HttpWebRequest)WebRequest.Create(pageUri);
req.Timeout = this.RequestTimeOut;
Stream stream = req.GetResponse().GetResponseStream();
html = sb.ToString();
using (StreamReader sr = new StreamReader(stream, this.Encode))
{
html = sr.ReadToEnd();
}
}
catch (Exception exc)
{
state.FailCount++;
return(null);
}
//������ص�����
#if DEBUG
Console.WriteLine("\r\n------------------------------\r\n�õ�ƥ����б�����Ϊ:{0}", html);
#endif
dp = new DataPack(Rules, pageUri);
foreach (string propertyName in this.Rules)
{
match = Regex.Match(html, this.Rules[propertyName]);
if (match != null)
{
dp[propertyName] = match.Groups[1].Value;
}
}
#if DEBUG
Console.WriteLine("\r\n-------------------------\r\n");
foreach (KeyValuePair <string, string> pair in dp)
{
Console.WriteLine("{0}->{1}\r\n", pair.Key, pair.Value);
}
#endif
//���¼���
++number;
#if DEBUG
Console.WriteLine("flish");
#endif
//ִ�л�ִ����
if (func != null)
{
func(dp);
}
//���һ���ɹ��ļ���
state.SuccessCount++;
return(dp);
}
/// <summary>
/// �����б�ҳ��,���Խ��ִ�л�ִ����
/// </summary>
/// <param name="pageUri"></param>
/// <param name="reverse"></param>
/// <param name="func"></param>
private void AnalysisListPage(string pageUri, bool reverse, DataPackFunc func)
{
int taskCount = 0,
//������
taskNumbers = 0; //һ�����������ж������Ƿ����
string html; //���ص��б�ҳ��Html
int bufferLength = 1;
byte[] buffer = new byte[bufferLength]; //���ص����ݻ�����
StringBuilder sb = new StringBuilder(); //���췵�صĽ��
MatchCollection listMatches; //�б��ƥ�估ҳ���ַƥ��
#if DEBUG
Console.WriteLine("��ʼ��:{0}��������...", pageUri);
#endif
//�����б�ҳ����
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(pageUri);
request.Timeout = this.RequestTimeOut;
Stream stream = request.GetResponse().GetResponseStream();
using (StreamReader sr = new StreamReader(stream, this.Encode))
{
html = sr.ReadToEnd();
}
#if DEBUG
Console.WriteLine("���ص�����Ϊ:{0}", html);
#endif
//�����б�ҳ����
listMatches = Regex.Matches(html, RuleFormat.Format(this.ListBlockRule));
//û���ҵ�ƥ��
if (listMatches.Count == 0)
{
#if DEBUG
Console.WriteLine("û�ҵ�ƥ��!");
#endif
return;
}
//����ƥ������
#if DEBUGS
Console.WriteLine("\r\n------------------------------\r\n�õ�ƥ����б�����Ϊ:\r\n");
#endif
Regex pageUriRegex = new Regex(this.FormatedPageUriRule);
//�����ʵ�
IList <string> pageUrls = new List <string>();
foreach (Match m in listMatches)
{
#if DEBUG
Console.WriteLine("\r\n------------------------------------------------\r\n{0}", m.Value);
#endif
foreach (Match pm in pageUriRegex.Matches(m.Value))
{
#if DEBUG
Console.WriteLine(pm.Value);
#endif
pageUrls.Add(pm.Value);
//��ȡҳ�����ݣ��������ִ��������
//���̻߳�ȡ
//if (!UseSingleThread)
//{
// new Thread(() =>
// {
// //���û�ִ����
// GetPageData(pm.Value, ref taskNumbers, func);
// }
// ).Start();
//}
//else //���̵߳���
//{
// //���û�ִ����
// GetPageData(pm.Value, ref taskNumbers, func);
//}
}
}
//����������
taskCount = pageUrls.Count;
// ��ת˳��
if (reverse)
{
pageUrls = new List <string>(pageUrls.Reverse());
}
if (!this.UseMultiThread) //���߳�
{
foreach (string pageUrl in pageUrls)
{
//���û�ִ����
GetPageData(pageUrl, ref taskNumbers, func);
}
}
else
{
MultiThreadProcess mp = new MultiThreadProcess(5, taskCount);
mp.Start <IList <string> >(urls =>
{
lock (urls)
{
//���û�ִ����
GetPageData(urls[0], ref taskNumbers, func);
pageUrls.Remove(urls[0]);
}
}, pageUrls);
}
//������������
state.TotalCount = taskCount;
//ֱ���߳̾�ִ����ϣ���
do
{
} while (taskNumbers != taskCount);
#if DEBUG
Console.WriteLine("�������....!���ɼ���{0}��", taskCount);
#endif
}
/// <summary>
/// 采集列表页，并对采集的结果执行操作
/// </summary>
/// <param name="listUri">列表页地址</param>
/// <param name="func"></param>
public void InvokeList(string listUri, DataPackFunc func)
{
AnalysisListPage(listUri, func);
}