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自己做的股票量化软�g -蜗牛股票量化分析软�g

ccsdu2009 — Mon, 25 Jun 2018 13:32:00 GMT

使用Qt开发的�Q�具体涉及QNetwork/Qjson/QChart�{�各个Qt模块

软�g支持日线�Q�分�Ӟ��周线�Q�月�U�等不同周期的�؜合量化分析；支持选股和回��二个模式；支持K�U�识别；支持常见�?0多种技术指标；

同时�q�支持基于LEVEL2的资金流分析和查看�?/div>

��Z��方便使用�Q�我�q�自行开发了一套脚本解释系�l?/div>

一个macd金叉��d��的量化脚本如�?

#讄��K�U�文件目�?br />config.source.k.dir=data
#讄��分笔数据文�g目录
config.source.ticket.dir=ticket
#讄��level2文�g路径
config.source.lv2.dir=lv2
#讄��K�U�数据格�?br />config.source.k.format=default
#讄��分时最大加载日期数
source.ticket.maxtickloaded=5
#讄��单最大额�?br />config.source.lv2.v1=5
#讄��中单最大额�?br />config.source.lv2.v2=100
#讄��大单最大额�?��过此数值则��大单
config.source.lv2.v3=500
#定义单日股票买入排序,默认为成交量降序(可选volasc,increaseasc,increasedesc)
config.trade.buy.order=voldesc
#定义股票买入时机,默认为开�?可选open/auto)
config.trade.buy.point=open
#定义股票卖出时机,默认为尾�?可选第二天开盘�h-早盘)
config.trade.sale.point=close
#是否使用立即止盈模式,辑ֈ�讑֮�盈利立刻卖出
config.trade.sale.rapid=yes
#讄��单股最大持有日�?br />config.trade.max.hold.day=3
#讑֮�单股买入后再�ơ买入禁买日期间�?br />config.trade.min.exclude=6
#讄��止盈�?br />config.trade.max.profit=64.0
#讑֮�止损�?br />config.trade.max.lost=-9.0
#讑֮�交易成本(千分�?)
config.trade.tradecost=0.8
#讑֮�单日最大可买股��数
config.trade.max.count=3
#讑֮�股票买入最大允许涨�q?br />config.trade.max.allow.increase=3.2
#讑֮�股票买入最大允许跌�q?br />config.trade.max.allow.decrease=-3.2
buy.macd.diff,0>macd.dea,0
buy.macd.diff,-1<macd.dea,-1
buy.macd.diff,0>value,0.0
buy.ohlc.increase,0>value,0.5

很容易理解吧

有兴��可以在www.snail007.com下蝲使用

ccsdu2009 2018-06-25 21:32 发表评论

MACD计算代码

ccsdu2009 — Tue, 30 Aug 2016 06:45:00 GMT

MACD计算代码
参数讄��?2,23.9

struct Macd
{
   Macd():m12(0.0f),m26(0.0f),diff(0.0f),dea(0.0f),bar(0.0f),index(-1){}
   float m12;
   float m26;
   float diff;
   float dea;
   float bar;
   int index;

   void update(float value)
   {
       index ++;
       if(index == 0)
       {
           m12 = value;
           m26 = value;
       }
       else
       {
           m12 = m12 + (value - m12) * 2.0f/13.0f;
           m26 = m26 + (value - m26) * 2.0f/27.0f;
           diff = m12 - m26;
           if(index == 1)
               dea = 0.2*diff;
           else
               dea = dea*0.8 + diff*0.2;
           bar = 2 * (-dea + diff);
           std::cout<<diff<<" "<<dea<<" "<<bar<<std::endl;
       }
   }
};

炒股的同学可以加入蜗牛选股��?297919841 验证码�ؓ来自博客�?

ccsdu2009 2016-08-30 14:45 发表评论

ccsdu2009 — Mon, 09 May 2016 09:30:00 GMT

新做一个选股软�g 计算力惊�?br />一�ơ可分析1400多股�Q?天涨�q�远��泸�?00
涨幅�?.8
同期泸深�?3.5
每日开盘自动邮件推送选股
惌��的可以加��?蜗牛��?297919841
ps:本�h不是卖��Y件的的！
每日数据在这里www.snail007.com/blog

ccsdu2009 2016-05-09 17:30 发表评论

ccsdu2009 — Mon, 31 Aug 2015 09:21:00 GMT

本来打算使用QFtp�Q�居然上传不成功

#include
#include
#include
#include
#include
#include
#include
#ifdef WIN32
#include
#else
#include
#endif

#define REMOTE_URL      "sftp://account:password@xx.xx.xx.xx/"

static size_t read_callback(void *ptr, size_t size, size_t nmemb, void *stream)
{
    curl_off_t nread;
    size_t retcode = fread(ptr, size, nmemb, stream);
    nread = (curl_off_t)retcode;
    fprintf(stderr, "*** We read %" CURL_FORMAT_CURL_OFF_T " bytes from file\n", nread);
    return retcode;
}

int main(int argc,char *argv[])
{
    if(argc != 3)
    {
        printf("2 paramenters is needed.\n");
        return -1;
    }

    char* local_file = argv[1];
    char* remote_file = argv[2];

    printf("call me for update -:%s,%s\n",local_file,remote_file);

    char remoteurl[1024] = {0};
    strcpy(remoteurl,REMOTE_URL);
    strcat(remoteurl,remote_file);

    CURL* curl;
    CURLcode res;
    FILE* file;
    struct stat file_info;
    curl_off_t fsize;

    if(stat(local_file,&file_info))
    {
        printf("couldnt open '%s': %s\n", local_file, strerror(errno));
        return 1;
    }

    fsize = (curl_off_t)file_info.st_size;
    printf("Local file size: %" CURL_FORMAT_CURL_OFF_T " bytes.\n", fsize);

    file = fopen(local_file, "rb");
    curl_global_init(CURL_GLOBAL_ALL);

    curl = curl_easy_init();

    if(curl)
    {
        curl_easy_setopt(curl,CURLOPT_READFUNCTION,read_callback);
        curl_easy_setopt(curl,CURLOPT_UPLOAD,1L);
        curl_easy_setopt(curl,CURLOPT_URL,remoteurl);
        curl_easy_setopt(curl,CURLOPT_READDATA,file);
        curl_easy_setopt(curl,CURLOPT_INFILESIZE_LARGE,(curl_off_t)fsize);
        curl_easy_setopt(curl,CURLOPT_FTP_RESPONSE_TIMEOUT,120);
        res = curl_easy_perform(curl);
        if(res != CURLE_OK)
            fprintf(stderr,"curl_easy_perform() failed: %s\n",curl_easy_strerror(res));
        curl_easy_cleanup(curl);
        fprintf(stderr,"finished update.");
    }

    fclose(file);
    curl_global_cleanup();
    return 0;
}

以上代码�l�过实际��试.

ccsdu2009 2015-08-31 17:21 发表评论

ms server插入数据库返回自动生成ID的C#例子

ccsdu2009 — Wed, 29 Jul 2015 08:29:00 GMT

如下:

            sql += "',N'";
            sql += desc1;
            sql += "',N'";
            sql += desc2;
            sql += "',N'";
            sql += desc3;
            sql += "');select @@identity;";

            OleDbConnection conn = getOleDbConntion();
            OleDbCommand cmd = new OleDbCommand(sql, conn);
            conn.Open();

            OleDbDataReader reader = cmd.ExecuteReader();

            reader.Read();
            string index = reader.GetValue(0).ToString();
            conn.Close();
            return index;
        }

ccsdu2009 2015-07-29 16:29 发表评论

js昄��2015-07-10 12:24:03旉��格式

ccsdu2009 — Mon, 13 Jul 2015 08:48:00 GMT

       Date.prototype.format = function(format) {
            var args = {
                "M+": this.getMonth() + 1,
                "d+": this.getDate(),
                "h+": this.getHours(),
                "m+": this.getMinutes(),
                "s+": this.getSeconds(),
                "q+": Math.floor((this.getMonth() + 3) / 3),
                "S": this.getMilliseconds()
            };
            if (/(y+)/.test(format))
                format = format.replace(RegExp.$1, (this.getFullYear() + "").substr(4 - RegExp.$1.length));
            for (var i in args) {
                var n = args[i];
                if (new RegExp("(" + i + ")").test(format))
                    format = format.replace(RegExp.$1, RegExp.$1.length == 1 ? n : ("00" + n).substr(("" + n).length));
            }
            return format;
        };

ccsdu2009 2015-07-13 16:48 发表评论

ccsdu2009 — Mon, 09 Jun 2014 13:13:00 GMT

一直想做个�c�M��matlab的��Y�Ӟ��支持矩阵�q�算�Q�线代，微积分求解等功能
大家有啥好的��没？

��d��业余主要开发了GAudio
今年开发了华佗中药大师业余版本�Q�马上就要出入门版本�?br />
一直想靠写软�g发胦

ccsdu2009 2014-06-09 21:13 发表评论

C语言调用python脚本3

ccsdu2009 — Sat, 07 Dec 2013 07:48:00 GMT

脚本如下:

from bs4 import BeautifulSoup

def list_get(file):
    soup = BeautifulSoup(open(file))
    alist = soup.find_all('a',class_ = 'link')
    list = []
    for i in alist:
        list.append(i.get('href'));
    #for i in list:
    #    print(i)
    return list

if __name__=="__main__":
    list_get('List.htm')

list_get函数�q�回的是list字符串对�?br />其c语言调用的代码如�?

#include <stdio.h>
#include <stdlib.h>
#include <Python.h>

char* GDALPythonObjectToCStr(PyObject* pyObject);

int main(int argc, char *argv[])
{
    Py_Initialize();
    if(!Py_IsInitialized())
    {
        return -1;
    }

    PyRun_SimpleString("import sys");
    PyRun_SimpleString("sys.path.append('./script')");
    PyObject* pModule;
    PyObject* pDict;
    PyObject* pFunc;

    pModule = PyImport_ImportModule("list");
    if(!pModule)
    {
        printf("can't find list.py");
        system("PAUSE");
        getchar();
        return -1;
    }

    pDict = PyModule_GetDict(pModule);
    if(!pDict)
    {
        return -1;
    }

    pFunc = PyDict_GetItemString(pDict,"list_get");
    if(!pFunc || !PyCallable_Check(pFunc))
    {
        printf("can't find function [list_get]");
        getchar();
        return -1;
    }

    PyObject* args = PyTuple_New(1);
    PyTuple_SetItem(args,0,Py_BuildValue("s","List.htm"));
    PyObject* value = PyObject_CallObject(pFunc,args);
    int ret = PySequence_Check(value);
    printf("check:%d\n",ret);
    int length = PySequence_Size(value);
    printf("length:%d\n",length);

    int i = 0;
    for(;i<length;i++)
    {
        PyObject* obj = PySequence_GetItem(value,i);
        //char* str = PyBytes_AS_STRING(obj);
        char* str = GDALPythonObjectToCStr(obj);
        printf("link:%s\n",str);
        free(str);
    }

    Py_DECREF(args);
    Py_DECREF(pModule);
    Py_Finalize();
    system("PAUSE");
    return 0;
}

/* Return a NULL terminated c String from a PyObject */
/* Result must be freed with GDALPythonFreeCStr */
char* GDALPythonObjectToCStr(PyObject* pyObject)
{
#if PY_VERSION_HEX >= 0x03000000
    if(PyUnicode_Check(pyObject))
    {
        char *pszStr;
        char *pszNewStr;
        Py_ssize_t nLen;
        PyObject* pyUTF8Str = PyUnicode_AsUTF8String(pyObject);
        PyBytes_AsStringAndSize(pyUTF8Str,&pszStr,&nLen);
        pszNewStr = (char*)malloc(nLen+1);
        memcpy(pszNewStr,pszStr,nLen+1);
        Py_XDECREF(pyUTF8Str);
        return pszNewStr;
    }
    else if(PyBytes_Check(pyObject))
    {
        char *pszStr;
        char *pszNewStr;
        Py_ssize_t nLen;
        PyBytes_AsStringAndSize(pyObject,&pszStr,&nLen);
        pszNewStr = (char*)malloc(nLen+1);
        memcpy(pszNewStr,pszStr,nLen+1);
        return pszNewStr;
    }
    else
    {
        char *pszStr = (char*)malloc(1);
        pszStr[0] = '\0';
        return pszStr;
    }
#else
    return PyString_AsString(pyObject);
#endif
}

ccsdu2009 2013-12-07 15:48 发表评论

ccsdu2009 — Fri, 13 Sep 2013 12:55:00 GMT

摘要: 之前写了一个dll�Q�具体在�q�里http://www.shnenglu.com/gaimor/anarchive/2013/07/11/201711.html现在惛_��加一个c#�l�定,上网搜了下很��单就实现了实现后的cs代码如下(当前只实��C��一部分):Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.Co... 阅读全文

ccsdu2009 2013-09-13 20:55 发表评论

ccsdu2009 — Sun, 04 Aug 2013 04:12:00 GMT

直接上代�?

#include <stdio.h>
#include <ao/ao.h>
#include "mpg123.h"

int main(int argc, char *argv[])
{
    ao_initialize();

    mpg123_handle *mpg123 ;
    int iMpg123_error;
    if(MPG123_OK != (iMpg123_error = mpg123_init()))
    {
        printf("failed to init mpg123\n");
        return -1;
    }

    mpg123 = mpg123_new(mpg123_decoders()[0], &iMpg123_error);
    if(MPG123_OK != (iMpg123_error = mpg123_open(mpg123,argv[1])))
    {
        fprintf(stderr,"error in open mp3 file\n");
        return -1;
    }

    int rate,channel,encoding;
    mpg123_getformat(mpg123,&rate,&channel,&encoding);

    int default_driver = ao_default_driver_id();
    ao_sample_format format;
    memset(&format,0,sizeof(format));
    format.bits = 16;
    format.channels = channel;
    format.rate = rate;
    format.byte_format = AO_FMT_LITTLE;

    ao_device *device;
    device = ao_open_live(default_driver,&format,NULL);
    if(device == NULL)
    {
        fprintf(stderr,"error opening device.\n");
        return 1;
    }

    short buffer[4096];

    int read = 0;
    while(1)
    {
        mpg123_read(mpg123,buffer,4096,&read);
        if(read == 0)
            break;
        ao_play(device,buffer,read);
    }

    mpg123_close(mpg123);

    ao_close(device);
    ao_shutdown();
    return 0;
}

ccsdu2009 2013-08-04 12:12 发表评论

ccsdu2009 — Sun, 03 Jun 2012 03:08:00 GMT

Microsoft Visual Studio 2005 Team Suite ��体中文版序列�?注册�?

序列��P��KYTYH-TQKW6-VWPBQ-DKC8F-HWC4J (可用)

��d��/删除�E�序 - Microsoft Visual Studio 2005 Team Suite ��体中文版 - 卸蝲 - 下一�?- KYTYH-TQKW6-VWPBQ-DKC8F-HWC4J - 升��?/p>

ccsdu2009 2012-06-03 11:08 发表评论

环�Ş数据�l�构

ccsdu2009 — Sat, 02 Jun 2012 11:15:00 GMT

typedef struct RingBuffer RingBuffer;

RingBuffer* RingBufferCreate(int sizeOf,int length);
void        RingBufferDestroy(RingBuffer* ring);
int         RingBufferWrite(RingBuffer* ring,const char* data,int len);
int         RingBufferRead(RingBuffer* ring,char* data,int len);

struct RingBuffer
{
    char* mem;
    int   sizeOf;
    int   length;
    int   writePos;
    int   full;
};

RingBuffer* RingBufferCreate(int sizeOf,int length)
{
    RingBuffer *ring = (RingBuffer*)calloc(1,sizeof(*ring));
    if(ring)
    {
        ring->sizeOf = sizeOf;
        ring->length = length;
        ring->writePos = 0;
        ring->full = 0;
        ring->mem = (char*)malloc(ring->length * ring->sizeOf);
        if(!ring->mem)
        {
            free(ring);
            ring = 0;
        }
    }
    return ring;
}

void RingBufferDestroy(RingBuffer* ring)
{
    if(ring)
    {
        free(ring->mem);
        free(ring);
    }
}

int  RingBufferRead(RingBuffer* ring,char* data,int len)
{
    if(ring->full == 1)
    {
        if(len > ring->length)
            len = ring->length;
        memcpy(data,ring->mem,len*ring->sizeOf);
        ring->full = 0;
    }
    if(ring->writePos < len)
    {
        ring->full = 0;
        int ret = ring->writePos;
        ring->writePos = 0;
        memcpy(data,ring->mem,ring->writePos*ring->sizeOf);
        return ret;
    }
    else
    {
        ring->full = 0;
        memcpy(data,ring->mem,len*ring->sizeOf);
        ring->writePos -= len;
        memcpy(ring->mem,ring->mem + len*ring->sizeOf,ring->writePos*ring->sizeOf);
        return len;
    }
}

int RingBufferWrite(RingBuffer* ring,const char* data,int len)
{
    if(len + ring->writePos > ring->length)
        ring->full = 1;
    int ret = len >= ring->length ? ring->length : len;
    if(len >= ring->length)
    {
        memcpy(ring->mem,data + (ring->length-ring->length%len)*ring->sizeOf,ring->length*ring->sizeOf);
        ring->writePos = ring->length;
    }
    else if(len + ring->writePos <= ring->length)
    {
        memcpy(ring->mem + ring->writePos*ring->sizeOf,data,len*ring->sizeOf);
        ring->writePos += len;
    }
    else
    {
        memcpy(ring->mem,ring->mem + (len + ring->writePos - ring->length)*ring->sizeOf,(len + ring->writePos - ring->length)*ring->sizeOf);
        memcpy(ring->mem + (len + ring->writePos - ring->length)*ring->sizeOf,data,len*ring->sizeOf);
        ring->writePos = ring->length;
    }
    return ret;
}

ccsdu2009 2012-06-02 19:15 发表评论

使用tidy修复html文档的小例子

ccsdu2009 — Fri, 12 Aug 2011 11:46:00 GMT

#include <cstdlib>
#include <cstdio>
#include <iostream>
#include <tidy/tidy.h>

using namespace std;

int main(int argc, char *argv[])
{
    int rc = -1;
    Bool ok;

    TidyDoc tdoc = tidyCreate();
    ok = tidyOptSetBool(tdoc,TidyXhtmlOut,yes);
    rc = tidyParseFile(tdoc,"file.html");
    rc = tidyCleanAndRepair(tdoc);
    rc = tidyRunDiagnostics(tdoc);
    rc = tidySaveFile(tdoc,"file.htm");

    tidyRelease(tdoc);
    system("PAUSE");
    return EXIT_SUCCESS;
}

ccsdu2009 2011-08-12 19:46 发表评论

ccsdu2009 — Sun, 31 Jul 2011 14:16:00 GMT

最�q�感觉都在瞎忙乎
无论是GUI�q�是Audio Effect都不能带来收�?br />学了几年�~�程
现在发现居然对UI�~�程�q�处于一�q��水��^
需要提高UI�~�程能力�?br />�q�简直就是大BUG

ccsdu2009 2011-07-31 22:16 发表评论

ccsdu2009 — Thu, 16 Jun 2011 14:43:00 GMT

int strncasecomp(char const *str1, char const *str2, unsigned long len)
{
    signed int c1 = 0, c2 = 0;

    while (len--)
    {
        c1 = tolower(*str1++);
        c2 = tolower(*str2++);

        if (c1 == 0 || c1 != c2)
            break;
    }

    return c1 - c2;
}

ccsdu2009 2011-06-16 22:43 发表评论

ccsdu2009 — Sun, 13 Mar 2011 04:08:00 GMT

学习QT的一个原因是貌似QT做出来的界面比较�l�丽
我倒想看看能做出来啥样子的

从QT�H�体布局说�v
凡是�H�体布局无非��是如何摆放的问�?br>1.惛_��然如果摆放有2个方式一个是所见即所�?一个是使用布局��理�?br>先说后者吧
2.QT有好几种布局��理器无非就是啥子流式布局�Q�格子布局�{�等
从这个层�U�上说��Y件界面都是布局嵌套�?br>3.布局和控件的关系
一般是一个布局对应于一个控件容�?或者顶层控�?
使用当前布局��理器加挂子控�g(容器)卛_��
然后�l�当前控件挂上布局��理器即�?br>下面是一个简单的QT Layout的例�?从QT例子改的)

class Dialog : public QDialog
{
    Q_OBJECT
public:
    Dialog();
private:
    void createHorizontalGroupBox();

    enum {button_number = 4};
    QGroupBox *groupbox;
    QPushButton *buttons[button_number];
    QDialogButtonBox *buttonBox;
};

实现如下:

#include <QtGui>

#include "dialog.h"

//! [0]
Dialog::Dialog()
{
    createHorizontalGroupBox();

    buttonBox = new QDialogButtonBox(QDialogButtonBox::Ok
                                     | QDialogButtonBox::Cancel);

    connect(buttonBox, SIGNAL(accepted()), this, SLOT(accept()));
    connect(buttonBox, SIGNAL(rejected()), this, SLOT(reject()));

    QVBoxLayout *mainLayout = new QVBoxLayout;
    mainLayout->addWidget(groupbox);
    mainLayout->addWidget(buttonBox);
    setLayout(mainLayout);

    setWindowTitle(tr("LayoutTest"));
}

void Dialog::createHorizontalGroupBox()
{
    groupbox = new QGroupBox(tr("Layout Test"));
    QHBoxLayout *layout = new QHBoxLayout;

    buttons[0] = new QPushButton(tr("Button1"));
    buttons[1] = new QPushButton(tr("Button2"));
    buttons[2] = new QPushButton(tr("Button3"));
    buttons[3] = new QPushButton(tr("Button4"));

    for(int i = 0;i<button_number;i++)
        layout->addWidget(buttons[i]);
    groupbox->setLayout(layout);
}

几个知识�?
1.groupbox = new QGroupBox(tr("Layout Test"));
Layout Test 是个文本�q�个无须解释
那tr呢？查查资料知道是�ؓ了支持多语言
先知道即可以后��用的话在具体查查�?br>2.QDialogButtonBox是个什么东�?br>   看看最�l�的�E�序界面�?br>   原来是对话框的确认和取消按钮
    再看信号槽函数无非就是绑定按钮到操作函数
    connect(buttonBox, SIGNAL(accepted()), this, SLOT(accept()));
    connect(buttonBox, SIGNAL(rejected()), this, SLOT(reject()));
    那accepted和accept函数有啥区别?
    看看文档
    accept函数的解释是:Hides the modal dialog and sets the result code to Accepted accpeted函数的解释是:This signal is emitted when the dialog has been accepted either

在说说QT皮肤
学习QT的主要目的就是想做做脸蛋好看好的软�g界面
那就试试看吧
查到的QT有一个名叫QSS(CSS?)的文件可以原来换�?br>那就�Ҏ��看吧

#include <QApplication>
#include <QFile>
#include <QStyleFactory>
#include <QTextStream>
#include "dialog.h"

void setSkin(QApplication* const app, QString const &skinFile);

int main(int argc, char *argv[])
{
    QApplication app(argc, argv);
    setSkin(&app ,"skin.qss");
    Dialog dialog;
    dialog.show();
    return app.exec();
}

void setSkin(QApplication* const app, QString const &skinFile)
{
    QFile qss(skinFile);
    qss.open(QFile::ReadOnly);
    app->setStyleSheet(qss.readAll());
    qss.close();
}

相应的QSS文�g如下:

QPushButton
{
color:red;
background:url(setting.png)
}

�q�里把PushButton的文本颜色设�|��ؓ�U�色
同时把它的背景设�|��ؓ囄��stting.png

完了
PS:如果学习新知�?
囫囵吞枣比较适合快速学�?br>

ccsdu2009 2011-03-13 12:08 发表评论

ccsdu2009 — Fri, 11 Mar 2011 11:52:00 GMT

1.boost �q�个使用的�h多不多说�?br>2.pthread windows下的posix�U�程实现
3.libcurl 一个有名的开源网�l�爬虫库阉K��旺旺中��用到�?br>4.libeay32 OpenSSL Library
5.libtidy 一个专门解析htm的库
6.zlib �q�个鬼都知道
7.freetype c接口的type2字体处理�?br>8.libmad 一个编解码mp3的库
9.libogg,�{?一个编解码ogg音频格式的库
10.libsnd 一个开源的�~�解码十多种音频格式的库
11.ffmpeg 一个关于音频视频处理的�?br>12.Freeimage,Cximage,Devil �q?个都是用来处理图形的�?br>13.libpng,libjpeg,....基本同上
14.angelscript 一个类似lua的脚本引�?其脚本风格类��g��标准c语言
15.flac/flac++一个编解码flac音频格式的库
16.tinyxml,rapidxml,libxml 都是关于xml解析斚w��?br>17.luaplus,luabind都是涉及�l�定lua和c++的库
18.ode,bullet 开源的物理引擎�?br>19.timidity一个可以把mid音频格式转化为wav格式的库
20.vlc一个类似ffmeg的库
21.zthread一个类型boost-thread,pthread的c++风格的多�U�程�?br>22.sigc++,sigslot信号插槽�?�c�d��的有boost中的signal
23.SDL ��单的音频视频�?br>24.hge一个简单的使用ddraw�?�l�游戏小引擎
25.opencv一个开源的处理囑�Ş的库
26.mygui,cegui 都是游戏上��用的GUI�pȝ��
27.鬼火游戏引擎,Orge,都是开源的游戏中间�?br>28.Wxwidget一个开源的跨��^�?�c�M��MFC
29.QT ..
30.loki一个实验性质的c++�?br>31.ace一个网�l�通信�?br>32.fmod一个有点名气的游戏��x��引擎
33.sqlite 一个开源的桌面数据�?br>
未完待箋

ccsdu2009 2011-03-11 19:52 发表评论

ccsdu2009 — Fri, 11 Mar 2011 11:29:00 GMT

libtidy是一个开源的用来诊断,分析,生成html文档的一个库
下面的例子是使用libtidy获取��面链接的例�?br>代码如下:

#ifndef PARSEPAGE_HPP
#define PARFSPAGE_HPP
#include <string>
#include <vector>
#include <tidy/buffio.h>
#include <tidy/fileio.h>
#include <tidy/tidy.h>
#include <tidy/tidyenum.h>
#include <tidy/platform.h>

//! 解析html��面
class ParsePage
{
public:
    typedef std::vector<std::string> String;
public:
    ParsePage(int rank = 0,const std::string& cur = ""):rank(rank),cur(cur)
    {
        doc = tidyCreate();
        root = tidyGetRoot(doc);
    }
    ~ParsePage()
    {
        tidyRelease(doc);
    }
public:
    //! 解析�l�定文�g
    bool LoadFile(const char* file)
    {
        return 1 == tidyParseFile(doc,file);
    }
    //!解析�l�定内存
    bool LoadBuffer(const char* buffer)
    {
        return 1 == tidyParseString(doc,buffer);
    }
    //! 内容解析
    void Check()
    {
        CheckHref(root);
    }
    //! 获取链接
    int GetLinkNumber()const{return links.size();}
    std::string GetLinkByIndex(int index){return links.at(index);}
private:
    void DoHref(TidyAttr attr);
    void CheckHref(TidyNode node);
private:
    TidyDoc     doc;
    TidyNode    root;
    std::string cur;
    int         rank;
    String      links;
};

#endif
//! ccsdu2004

实现:

#include <boost/algorithm/string.hpp>
#include "parsepage.hpp"

void ParsePage::DoHref(TidyAttr attr)
{
    std::string href(tidyAttrValue(attr));
    //! 邮箱地址
    if(boost::algorithm::starts_with(href,"mailto:"))
    {
    }
    //! 链接地址
    else
    {
        if(boost::algorithm::starts_with(href,"http:"))
        {
            size_t itr = href.find_last_of('#');
            if(itr != std::string::npos)
            {
                href = href.substr(0,itr);
            }
        }
        else
        {
            if(boost::algorithm::contains(href,"#"))
                return;
        }

        links.push_back(href);
    }
}

void ParsePage::CheckHref(TidyNode node)
{
    TidyNode child;
    for(child = tidyGetChild(node);child;child = tidyGetNext(child))
    {
        TidyAttr attr = tidyAttrGetHREF(child);
        if(attr)
        {
            DoHref(attr);
        }
        CheckHref(child);
    }
}

�q�个对象比较��?br>调用Check之后所有的��面链接在links�?br>

ccsdu2009 2011-03-11 19:29 发表评论

如何写出高质量的函数

ccsdu2009 — Thu, 10 Mar 2011 02:13:00 GMT

如何写出高质量的函数?
�Ҏ��个�h�l�验具体如下:
有遗漏请补充
1.从函数功能上考虑要求函数功能单一不能一个函数基本多个功�?br>2.从命名规则上考虑应该变量,函数命名�l�一具体�Ҏ��各个单位有所差异
3.从易��L��上考虑
一般函数应该写出函数描�q?
��Z��能��函数��单明了函数行��C��宜太长以50行�ؓ�?br> 函数应该以单一�q�回路径��Z��
4.从变量上考虑应该��可能��用局部变量而非全局变量
5.从函数健壮性上考虑函数应该输入参数是否为可能的合法值等�{?br>6.从容错性上考虑需要注意异常处�?br>7.另外�q�需要考虑函数中的变量是否可能会超出其表示范围.
8.其他....

ccsdu2009 2011-03-10 10:13 发表评论

一道中兴笔试题

ccsdu2009 — Thu, 10 Mar 2011 02:01:00 GMT

一道中兴笔试题
要求是抠出给定字�W�串中的所有数字然后排序输�?br>做法如下:

#include <cstdlib>
#include <iostream>
#include <string.h>
#include <ctype.h>
#include <algorithm>
#include <iterator>

using namespace std;

void output(char* str,int len)
{
   if(str == NULL || len <= 0)
       return;
   int* data = (int*)malloc(len);
   char* tmp = (char*)malloc(len+1);
   memset(data,0,len);
   memset(tmp,0,sizeof(char)*len);
   int index = 0;
   int i = 0;
   int j = 0;
   int flag = isdigit(str[0]);

   while(1)
   {
      if(i==len || i+j == len+1)
          break;
      if(isdigit(str[i+j]) == 0 && flag == 0)
      {
          i=i+j+1;
          j=0;
          flag = isdigit(str[i+j]);
      }
      else if(isdigit(str[i+j]) == 0 && flag != 0)
      {
          memset(tmp,0,sizeof(char)*(len+1));
          strncpy(tmp,str+i,j);
          data[index++] = atoi(tmp);
          flag = 0;
      }
      else
      {
          j++;
      }
   }

   std::sort(data,data+index);
   std::copy(data,data+index,std::ostream_iterator<int>(std::cout," "));
   free(tmp);
   free(data);
}

int main(int argc,char *argv[])
{
    char input[] = "33k&99+r5sw1f10gd4vc511gc3";
    output(input,strlen(input));
    system("PAUSE");
    return EXIT_SUCCESS;
}

严格说来不应该��用stl中的函数和模板但是�ؓ了简便�v见还是这么写�?br>
另外一直我一直己写strcpyn函数用于复制�l�定字符串没发现库中有一个类型的strncpy函数

ccsdu2009 2011-03-10 10:01 发表评论

FontForge WIN32�~�译指南

ccsdu2009 — Thu, 13 Jan 2011 02:21:00 GMT

FontForge是一个开源的工业字体�?br>本文讲述在win32下编译他的流�E?br>1.下蝲fontforge_full-20100501.tar.bz2
2.下蝲cygwin 安装�?br>3.以默认配�|�安装cygwin
4.以默认方式安装的cygwin�q�缺��一些库�q�需要安装下列对�?br> x11,zlib,freetype�{�等
5.或者如果不知道那些包需要安装那��全部安装吧虽然�W�一点但是很有效�Q?br>6.解压fontforge到cygwin下的prj目录
7.点击cygwin切换目录到fontfogre�?br>8.执行/configure
9.make install
10.�{�待n�?br>11.��查编译结�?br>

ccsdu2009 2011-01-13 10:21 发表评论

c++排列�l�合函数

ccsdu2009 — Wed, 29 Dec 2010 03:21:00 GMT

�q�段旉��没咋�~�程�?br>��写个c++排列�l�合函数的��用吧
以后使用得着�?br>

#include <iostream>
#include <vector>
#include <algorithm>
#include <boost/assign.hpp>
#include <boost/function.hpp>

using namespace std;
using namespace boost;
using namespace boost::assign;

inline void print_(int t){cout<<t<<" ";}
inline void print(vector<int>& vec)
{
    for_each(vec.begin(),vec.end(),print_);
    cout<<endl;
}

//! 全排列测�?/span>
void test1()
{
    vector<int> vec;
    vec += 1,2,3,4,5,6,7,8;
    sort(vec.begin(),vec.end());
    int i = 0;
    do
    {
       print(vec);
       i++;
    }
    while(next_permutation(vec.begin(),vec.end()));
    std::cout<<i<<std::endl;
}

//! �l�合��试
size_t test2(int n,int m,boost::function<void(std::vector<int>& vec)> fn)
{
    vector<int> p,set;
    p.insert(p.end(),m,1);
    p.insert(p.end(),n-m,0);
    for(int i = 0;i != p.size();++i)
        set.push_back(i+1);
    vector<int> vec;
    size_t cnt = 0;
    do{
        for(int i = 0;i != p.size();++i)
            if(p[i])
               vec.push_back(set[i]);
        fn(vec);
        cnt ++;
        vec.clear();
    }while(prev_permutation( p.begin(), p.end()));
    return cnt;
}

int main()
{
    test1();
    std::cout<<test2(20,3,print)<<std::endl;
    return 0;
}

....................................................................................................................

ccsdu2009 2010-12-29 11:21 发表评论

c++如何获取cpu温度

ccsdu2009 — Fri, 13 Aug 2010 01:10:00 GMT

使用c++如何获取cpu温度

当前在侦��cpu温度斚w��做得最好的是core temp,
其他的相兌��Y件有cpu Informer,cpu-z,优化大师,鲁大师等�{?br>可能获取cpu温度的途径(win2�?
有winio,ring0,smbus,汇编,wmi,apic,bios�{�等

但是效果都很�?br>有�h有什么好的办法可以获�?br>�Ƣ迎讨论

ccsdu2009 2010-08-13 09:10 发表评论

ccsdu2009 — Wed, 04 Aug 2010 11:31:00 GMT

如下:

int Parse(int argc,char* argv[])
{
    if(argc < 2)
    {
        cout<<"need para."<<endl;
        system("PAUSE");
        return -1;
    }

    bool is_input_file_para = false;
    bool is_output_file_para = false;

    for(int i = 1; i < argc;i++)
    {
        if(strcmp(argv[i],"-read") == 0)
        {
            is_input_file_para = true;
            is_output_file_para = false;
        }
        else if(strcmp(argv[i],"-write") == 0)
        {
            is_input_file_para = false;
            is_output_file_para = true;
        }
        else
        {
            if(is_input_file_para == true)
            {
                input_file_name = argv[i];
                is_output_file_para = true;
            }
            else if(is_output_file_para == true)
            {
                output_file_name = argv[i];
                is_input_file_para = true;
            }
        }
    }
    return 1;
}

该函数解析命令行获取输入文�g和输出文件名�?br>使用�Ҏ��?
srilm_lm -read gonewiththewind.count -write gonewiththewind.lm
其中srilm_lm为程序名
该函数可使用于win32和utunbu�?br>

ccsdu2009 2010-08-04 19:31 发表评论

ccsdu2009 — Wed, 04 Aug 2010 06:16:00 GMT

�׃��需要��用c++对字�W�串�q�行切割
故对相关的知识做一个�ȝ��
1.使用

std::stringstream

切割字符�?br>比如:

    std::stringstream str(text);
    std::string tok;
    while(getline(str,tok,(char)32)){}

2.�q�是使用std::stringstream��析�?br>比如:

    std::stringstream str(s);
    string t1,t2,t3,t4;
    str >>t1;
    str >>t2;
    str >>t3;
    str >>t4;

3.使用strtok
比如:

char* token = strtok(str.c_str()," ");

4.使用boost�?

tokenizer

比如:

boost::tokenizer<> ss(s,char_separator(' '));
for(boost::tokenizer<>::iterator beg=ss.begin(); beg!=ss.end(); ++beg){cout<<*beg<<endl;}

不过光��认的分隔为空格和标点�W�号
如果需要定制其模板参数
可以按照下面的书�?

class char_separator
{
public:
    char_separator(char c):sep(c){}
    void reset(){}
    template <typename InputIterator,typename Token>
    bool operator()(InputIterator& next,InputIterator end,Token& tok)
    {
        tok = Token();
        for(;next != end && *next == sep;++next);
        if (next == end)
            return false;
        for(;next != end && *next != sep;++next)
        {
            tok += *next;
        }
        return true;
    }
private:
    char sep;
};

比如:

boost::tokenizer<char_separator> mytok(str,char_separator('@'));
    for(boost::tokenizer<char_separator>::iterator beg=mytok.begin(); beg!=mytok.end(); ++beg)
    {
        if(index == 0)
            text1 = *beg;
        else if(index == 1)
            text2 = *beg;
        else if(index == 2)
            text3 = *beg;
        else if(index == 3)
            text4 = *beg;
        index++;
    }

5.�q�是boost.

#include <cstdlib>
#include <iostream>
#include <string>
#include <vector>
#include <iostream>
#include <iterator>
#include <functional>
#include <boost/algorithm/string/classification.hpp>
#include <boost/algorithm/string/split.hpp>
#include <boost/algorithm/string/find_iterator.hpp>

using namespace std;
using namespace boost;

int main(int argc, char *argv[])
{
    vector<string> strlist;
    string str("12 34 56 678  ccsdu2004");
    split(strlist,str,is_any_of(" "),token_compress_on);

    for(unsigned int index=0;index<strlist.size();index++)
    {
        cout<<index <<":"<<strlist[index]<<endl;
    };

    system("PAUSE");
    return EXIT_SUCCESS;
}

6.其他不知道的�Ҏ��若干
...

ccsdu2009 2010-08-04 14:16 发表评论