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1.如何用VB提取网页源代码中的特定字符
2.求解一道C++程序设计的题目。。（职工信息管理系统）
3.PL/SQL cursor用了FOR LOOP之后还可以用fetch吗

如何用VB提取网页源代码中的化妆品的网站的源码特定字符

       Dim HtmlData As String

        Dim Str1 As Long

        Dim Str2 As Long

        Dim wname As String

        dim ename as string

        Str1 = 1

        HtmlData = 已得到网页来源str

        Do Until Str1 = 0

        Str1 = InStr(Str1 + 1, HtmlData, "<span class='style5'>")

        Str2 = InStr(Str1 + 1, HtmlData, "</span>")

        If Str1 > 0 And Str2 > 0 And Str2 > Str1 Then

        wname = Mid(HtmlData, Str1, Str2 - Str1)

        wname = Replace(wname, "<span class='style5'>", "")

        wname = Replace(wname, "</span>", "")

        ename= ename & wname

        End If

        Loop

求解一道C++程序设计的题目。。（职工信息管理系统）

       根据你的牛牛源码免费要求修改过，而且调试通过了~~~看看行不行

       如果有问题可以直接和我QQ联系：

       #include<iostream>

       #include<string>

       #include<fstream>

       using namespace std;

       const N=; // 定义系统可录入的kubespray源码分析员工最大数值

       string Ename[N];

       long Enum[N];

       char Esex[N];

       int Eage[N];

       char Emarriage[N];

       int Edepart[N];

       int Eposition[N];

       int Edegree[];

       int Eworktime[N];

       float Epay[N];

       class Employee

       {

       public:

        string Employeename;

        long Employeenum;

        char Employeesex;

        int Employeeage;

        char Employeemarriage;

        int Employeedepart;

        int Employeeposition;

        int Employeedegree;

        int Employeeworktime;

        float Employeepay;

       static long EmployeeMaxNum;

        static float EmployeeBasePay;

        void NewInfo();

        void ShowInfo();

        void showall();

        void showdepart(int depart);

        void showdegree(int degree);

        void showage(int min,int max);

        void shownum(long number);

        void RefreshInfo();

        void DeleteInfo();

        float Pay(int Employeegrade);

        static int MaxNum();

       };

       class DBOperate

       {

       public:

        string Employeename;

        long Employeenum;

        char Employeesex;

        int Employeeage;

        char Employeemarriage;

        int Employeedepart;

        int Employeeposition;

        int Employeedegree;

        int Employeeworktime;

        float Employeepay;

       static long EmployeeMaxNum;

        static float EmployeeBasePay;

       void WriteIn(int iflag);

        void ReadOut();

        void RefreshMaxNum(int iflag); //i=1 or -1 or 0

       };

       long Employee::EmployeeMaxNum = ;

       float Employee::EmployeeBasePay = ;

       int Employee::MaxNum() //返回系统已经存储的人数

        {

        int MN = 0;

        ifstream myf;

        myf.open("EmployeeMaxNum.txt");

        myf>>MN;

        cout<<MN<<endl;

        myf.close();

        return MN;

        }

       void Employee::NewInfo() //添加新成员函数

        {

        cout<<"新员工姓名: ";

        cin>>Employee::Employeename;

        Employee::Employeenum = EmployeeMaxNum + Employee::MaxNum()+1;

        cout<<"新员工性别 (F为女性，M为男性): ";

        cin>>Employee::Employeesex;

        cout<<"新员工年龄: ";

        cin>>Employee::Employeeage;

        cout<<"新员工婚姻状况（Y为已婚，N为未婚）: ";

        cin>>Employee::Employeemarriage;

        cout<<"新员工学历,请输入相应学历的序号: "<<endl;

        cout<<" [1:初中 2:高中 3:本科 4:硕士 5:博士] ";

        cin>>Employee::Employeedegree;

        while(Employee::Employeedegree !=1&&Employee::Employeedegree !=2&&Employee::Employeedegree !=3&&Employee::Employeedegree !=4&&Employee::Employeedegree !=5)

        {

        cout<<"输入有误，请重新输入:"<<endl;

        cout<<" [1:初中 2:高中 3:本科 4:硕士 5:博士]";

        cin>>Employee::Employeedegree;

        }

        cout<<"新员工所在部门,请输入相应部门的序号:"<<endl;

        cout<<" [1:董事会 2:市场部 3:公关部 4:客服中心 5:信息中心] ";

        cin>>Employee::Employeedepart;

        while(Employee::Employeedepart !=1&&Employee::Employeedepart !=2&&Employee::Employeedepart !=3&&Employee::Employeedepart !=4&&Employee::Employeedepart!=5)

        {

        cout<<"输入有误，请重新输入:"<<endl;

        cout<<" [1:董事会 2:市场部 3:公关部 4:客服中心 5:信息中心] ";

        cin>>Employee::Employeedepart;

        }

        cout<<"新员工职位, 请输入相应职位的序号: "<<endl;

        cout<<" [1:临时职员 2: 正式职员 3:主任 4:部门经理 5:董事长] ";

        cin>>Employee::Employeeposition;

        while(Employee::Employeeposition !=1&&Employee::Employeeposition !=2&&Employee::Employeeposition !=3&&Employee::Employeeposition !=4&&Employee::Employeeposition !=5)

        {

        cout<<"输入有误，请重新输入:"<<endl;

        cout<<" [1:临时职员 2: 正式职员 3:主任 4:部门经理 5:董事长] ";

        cin>>Employee::Employeeposition;

        }

        cout<<"新员工的工作时(不需要输入单位): ";

        cin>>Employee::Employeeworktime;

       Employee::Employeepay = Employee::Pay(Employee::Employeeposition);

        DBOperate dbo;

        dbo.ReadOut();

        int MaxNum = Employee::MaxNum();

        Enum[MaxNum] = Employee::Employeenum;

        Ename[MaxNum] = Employee::Employeename;

        Esex[MaxNum] = Employee::Employeesex;

        Eage[MaxNum] = Employee::Employeeage;

        Emarriage[MaxNum] = Employee::Employeemarriage;

        Edegree[MaxNum] = Employee::Employeedegree;

        Edepart[MaxNum] = Employee::Employeedepart;

        Eposition[MaxNum] = Employee::Employeeposition;

        Eworktime[MaxNum] = Employee::Employeeworktime;

        Epay[MaxNum] = Employee::Employeepay;

        dbo.WriteIn(1);

        cout<<" 添加新成员成功！"<<endl;

        return;

        }

       void Employee::ShowInfo() //程序主体 数据输出函数

        {

        int choice1,choice2,min,max;

        long searchnum;

        Employee e;

       cout<<" 请选择查询方式："<<endl;

        cout<<"