VC解析XML文件的工具有很多,CMarkup, tinyXML,还有IBM的,MS的等等。
据说tinyXML很好,可能字符集问题,我编译不了。
所以就用CMarkup来解析,使用过后,觉得非常不错,使用起来很方便。
CMarkup下载地址:http://www.firstobject.com/
发现网上有方法很法,我就摘下来了
- //----------UserInfo.xml--------------
- xml version="1.0" encoding="UTF-8" ?>
- <UserInfo>
- <UserID>luo</UserID>
- <UserID>lin</UserID>
- </UserInfo>
- //----------UserInfo.xml--------------
- xml version="1.0" encoding="UTF-8" ?>
- <UserInfo>
- <UserID>luo</UserID>
- <UserID>lin</UserID>
- </UserInfo>
1. 生成UserInfo.xml
- CMarkup xml;
- xml.SetDoc("xml version=/"1.0/" encoding=/"UTF-8/"?>/r/n");
- xml.AddElem("UserInfo");
- xml.IntoElem();
- xml.AddElem("UserID","luo");
- xml.AddElem("UserID","lin");
- xml.OutOfElem();
- xml.Save("UserInfo.xml");
- CMarkup xml;
- xml.SetDoc("xml version=/"1.0/" encoding=/"UTF-8/"?>/r/n");
- xml.AddElem("UserInfo");
- xml.IntoElem();
- xml.AddElem("UserID","luo");
- xml.AddElem("UserID","lin");
- xml.OutOfElem();
- xml.Save("UserInfo.xml");
2. 浏览特定元素
- CMarkup xml;
- xml.Load("UserInfo.xml");
- BOOL bFind = true;
- xml.ResetMainPos();
- while (xml.FindChildElem("UserID");)
- {
-
- CString strTagName = _T("");
- CString strData = _T("");
- strTagName = xml.GetChildTagName();
- strData = xml.GetChildData();
- TRACE("/n---tagName:%s,Data:%s--/n",strTagName,strData);
- }
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//-------------结果----------
---tagName:UserID,Data:luo--
---tagName:UserID,Data:lin—
- CMarkup xml;
- xml.Load("UserInfo.xml");
- BOOL bFind = true;
- xml.ResetMainPos();
- while (xml.FindChildElem("UserID");)
- {
-
- CString strTagName = _T("");
- CString strData = _T("");
- strTagName = xml.GetChildTagName();
- strData = xml.GetChildData();
- TRACE("/n---tagName:%s,Data:%s--/n",strTagName,strData);
- }
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//-------------结果----------
---tagName:UserID,Data:luo--
---tagName:UserID,Data:lin—
3. 修改
//--------把UserID为”luo”改为”flypigluo”-----------
- BOOL bLoadXml = false;
- CMarkup xml;
- bLoadXml = xml.Load("UserInfo.xml");
- if (bLoadXml)
- {
- CString strUserID = _T("");
- xml.ResetMainPos();
- xml.FindElem();
- xml.IntoElem();
- while (xml.FindElem("UserID"))
- {
- strUserID = xml.GetData();
- if (strUserID=="luo")
- {
- xml.SetData(CString("flypig")+strUserID);
- xml.Save("UserInfo.xml");
- break;
- }
- }
- }
-
- BOOL bLoadXml = false;
- CMarkup xml;
- bLoadXml = xml.Load("UserInfo.xml");
- if (bLoadXml)
- {
- CString strUserID = _T("");
- xml.ResetMainPos();
- xml.FindElem();
- xml.IntoElem();
- while (xml.FindElem("UserID"))
- {
- strUserID = xml.GetData();
- if (strUserID=="luo")
- {
- xml.SetData(CString("flypig")+strUserID);
- xml.Save("UserInfo.xml");
- break;
- }
- }
- }
4. 添加
4.1 添在最后面(使用的是AddElem)
//加在最后面
- BOOL bLoadXml = false;
- CMarkup xml;
- bLoadXml = xml.Load("UserInfo.xml");
- if (bLoadXml)
- {
- xml.ResetMainPos();
- xml.FindElem();
- xml.IntoElem();
- xml.AddElem("UserID","luoluo");
- xml.OutOfElem();
- xml.Save("UserInfo.xml");
- }
-
- xml version="1.0" encoding="UTF-8" ?>
- <UserInfo>
- <UserID>luo</UserID>
- <UserID>lin</UserID>
- </UserInfo>
-
- xml version="1.0" encoding="UTF-8" ?>
- <UserInfo>
- <UserID>luo</UserID>
- <UserID>lin</UserID>
- <UserID>luoluo</UserID>
- </UserInfo>
4.2 加在最前面(使用InsertElem)
- BOOL bLoadXml = false;
- CMarkup xml;
- bLoadXml = xml.Load("UserInfo.xml");
- if (bLoadXml)
- {
- xml.ResetMainPos();
- xml.FindElem();
- xml.IntoElem();
- xml.InsertElem("UserID","AddUserIDHead");
- xml.OutOfElem();
- xml.Save("UserInfo.xml");
- }
-
- xml version="1.0" encoding="UTF-8" ?>
- <UserInfo>
- <UserID>luo</UserID>
- <UserID>lin</UserID>
- </UserInfo>
-
- xml version="1.0" encoding="UTF-8" ?>
- <UserInfo>
- <UserID>AddUserIDHead</UserID>
- <UserID>luo</UserID>
- <UserID>lin</UserID>
- </UserInfo>
- BOOL bLoadXml = false;
- CMarkup xml;
- bLoadXml = xml.Load("UserInfo.xml");
- if (bLoadXml)
- {
- xml.ResetMainPos();
- xml.FindElem();
- xml.IntoElem();
- xml.InsertElem("UserID","AddUserIDHead");
- xml.OutOfElem();
- xml.Save("UserInfo.xml");
- }
-
- xml version="1.0" encoding="UTF-8" ?>
- <UserInfo>
- <UserID>luo</UserID>
- <UserID>lin</UserID>
- </UserInfo>
-
- xml version="1.0" encoding="UTF-8" ?>
- <UserInfo>
- <UserID>AddUserIDHead</UserID>
- <UserID>luo</UserID>
- <UserID>lin</UserID>
- </UserInfo>
5. 删除
- CMarkup xml;
- xml.Load("UserInfo.xml");
- BOOL bFind = true;
- xml.ResetMainPos();
- while (bFind)
- {
- bFind = xml.FindChildElem("UserID");
- if (bFind)
- {
-
- CString strData = _T("");
- strData = xml.GetChildData();
- if (strData=="luo")
- {
- xml.RemoveChildElem();
- xml.Save("UserInfo.xml");
- break;
- }
- }
- }
- CMarkup xml;
- xml.Load("UserInfo.xml");
- BOOL bFind = true;
- xml.ResetMainPos();
- while (bFind)
- {
- bFind = xml.FindChildElem("UserID");
- if (bFind)
- {
-
- CString strData = _T("");
- strData = xml.GetChildData();
- if (strData=="luo")
- {
- xml.RemoveChildElem();
- xml.Save("UserInfo.xml");
- break;
- }
- }
- }
6. 查找
见第二点浏览。类似上面的例子里面没有属性这些东西,下面的一个例子是有属性的
-
- xml version="1.0" encoding="UTF-8" ?>
- <UserInfo>
- <User UserID="UserID00" UserPwd="UserPwd00" UserLevel="158" />
- <User UserID="UserID01" UserPwd="UserPwd01" UserLevel="162" />
- <User UserID="UserID02" UserPwd="UserPwd02" UserLevel="165" />
- <User UserID="UserID03" UserPwd="UserPwd03" UserLevel="168" />
- <User UserID="UserID04" UserPwd="UserPwd04" UserLevel="171" />
- <User UserID="UserID05" UserPwd="UserPwd05" UserLevel="175" />
- <User UserID="UserID06" UserPwd="UserPwd06" UserLevel="178" />
- <User UserID="UserID07" UserPwd="UserPwd07" UserLevel="181" />
- <User UserID="UserID08" UserPwd="UserPwd08" UserLevel="184" />
- <User UserID="UserID09" UserPwd="UserPwd09" UserLevel="188" />
- </UserInfo>
-
- xml version="1.0" encoding="UTF-8" ?>
- <UserInfo>
- <User UserID="UserID00" UserPwd="UserPwd00" UserLevel="158" />
- <User UserID="UserID01" UserPwd="UserPwd01" UserLevel="162" />
- <User UserID="UserID02" UserPwd="UserPwd02" UserLevel="165" />
- <User UserID="UserID03" UserPwd="UserPwd03" UserLevel="168" />
- <User UserID="UserID04" UserPwd="UserPwd04" UserLevel="171" />
- <User UserID="UserID05" UserPwd="UserPwd05" UserLevel="175" />
- <User UserID="UserID06" UserPwd="UserPwd06" UserLevel="178" />
- <User UserID="UserID07" UserPwd="UserPwd07" UserLevel="181" />
- <User UserID="UserID08" UserPwd="UserPwd08" UserLevel="184" />
- <User UserID="UserID09" UserPwd="UserPwd09" UserLevel="188" />
- </UserInfo>
7. 产生
- CString strID = _T("");
- CString strPwd = _T("");
- CMarkup xml;
- xml.SetDoc("xml version=/"1.0/" encoding=/"UTF-8/"?>");
- xml.AddElem("UserInfo");
- xml.IntoElem();
- for (int i=0; i<10; i++)
- {
-
- srand(UINT(time(NULL)+i));
- int nLevel = rand()%256;
- strID.Format("UserID%02d",i);
- strPwd.Format("UserPwd%02d",i);
- xml.AddElem("User");
- xml.AddAttrib("UserID",strID);
- xml.AddAttrib("UserPwd",strPwd);
- xml.AddAttrib("UserLevel",nLevel);
- }
- xml.OutOfElem();
- xml.Save("UserInfo1.xml");
- CString strID = _T("");
- CString strPwd = _T("");
- CMarkup xml;
- xml.SetDoc("xml version=/"1.0/" encoding=/"UTF-8/"?>");
- xml.AddElem("UserInfo");
- xml.IntoElem();
- for (int i=0; i<10; i++)
- {
-
- srand(UINT(time(NULL)+i));
- int nLevel = rand()%256;
- strID.Format("UserID%02d",i);
- strPwd.Format("UserPwd%02d",i);
- xml.AddElem("User");
- xml.AddAttrib("UserID",strID);
- xml.AddAttrib("UserPwd",strPwd);
- xml.AddAttrib("UserLevel",nLevel);
- }
- xml.OutOfElem();
- xml.Save("UserInfo1.xml");
8. 查找
- CMarkup xml;
- BOOL bLoad = false;
- BOOL bFind = false;
- bLoad = xml.Load("UserInfo1.xml");
- if (bLoad)
- {
- CString strID;
- CString strPwd;
- xml.ResetMainPos();
- xml.FindElem();
- while (xml.FindChildElem("User"))
- {
- strID = xml.GetChildAttrib("UserID");
- strPwd = xml.GetChildAttrib("UserPwd");
- TRACE("/n----id:%s,pwd:%s-------/n",strID,strPwd);
- if (strID=="UserID00"&&strPwd=="UserPwd00")
- {
- bFind = true;
- break;
- }
- }
- }
- if (bFind)
- {
- TRACE("/n---- find------/n");
- }
- else
- {
- TRACE("/n----no find------/n");
- }
- CMarkup xml;
- BOOL bLoad = false;
- BOOL bFind = false;
- bLoad = xml.Load("UserInfo1.xml");
- if (bLoad)
- {
- CString strID;
- CString strPwd;
- xml.ResetMainPos();
- xml.FindElem();
- while (xml.FindChildElem("User"))
- {
- strID = xml.GetChildAttrib("UserID");
- strPwd = xml.GetChildAttrib("UserPwd");
- TRACE("/n----id:%s,pwd:%s-------/n",strID,strPwd);
- if (strID=="UserID00"&&strPwd=="UserPwd00")
- {
- bFind = true;
- break;
- }
- }
- }
- if (bFind)
- {
- TRACE("/n---- find------/n");
- }
- else
- {
- TRACE("/n----no find------/n");
- }
9. 修改
- CMarkup xml;
- BOOL bLoad = false;
- BOOL bFind = false;
- bLoad = xml.Load("UserInfo1.xml");
- if (bLoad)
- {
- CString strID;
- CString strPwd;
- xml.ResetMainPos();
- xml.FindElem();
- while (xml.FindChildElem("User"))
- {
- strID = xml.GetChildAttrib("UserID");
- strPwd = xml.GetChildAttrib("UserPwd");
- TRACE("/n----id:%s,pwd:%s-------/n",strID,strPwd);
- if (strID=="UserID00"&&strPwd=="UserPwd00")
- {
- bFind = true;
- xml.SetChildAttrib("UserID",strID+CString("Modify"));
- xml.Save("UserInfo1.xml");
- break;
- }
- }
- }
- if (bFind)
- {
- TRACE("/n---- find------/n");
- }
- else
- {
- TRACE("/n----no find------/n");
- }
CMarkup字符集问题
daubwu posted @ 2008年9月08日 00:54 in VC with tags XML CMarkup , 38 阅读
CMarkup支持Unicode,_MBCS宏定义。VS默认设置为MBCS宏定义,未设置该宏时为UTF-8编码。
有 MBCS宏定义,且 打开的文件是UTF-8编码:
CMarkup在Load时将UTF-8转换ANSI编码格式,所以要在读取的地方设置
- #include <locale.h>
- setlocale(LC_ALL, "");
没有MBCS宏定义,且打开的文件是UTF-8编码:
系统默认将文件按UTF-8格式读入系统中,所以显示的时候要手动将数据转换为ANSI格式的进行显示
- #include <locale.h>
- setlocale(LC_ALL, "");
- strVal = CMarkup::UTF8ToA(strVal);
PS:通过strcpy等拷贝函数可以修正