📄 第五章 工作流定义工具的设计与实现（三）_宪华_新浪博客.mht
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<add key=3D"DBsqlConn" value=3D"data source=3D(local);initial=20
catalog=3Dmyworkflow;</P>
<P> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>&nbs=
p;<WBR> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>=
<WBR> <WBR> <WBR> <WBR> <WBR> <WBR> <=
WBR> <WBR> <WBR>=20
password=3Dmxh;user id=3Dmxh;persist security=20
info=3DTrue;"/><BR> <WBR> <WBR> <WBR> <WBR> <=
WBR>=20
</appSettings><BR> <WBR> <WBR> <WBR>=20
</configuration></P>
<P><STRONG>5.7.3 <WBR>=E6=95=B0=E6=8D=AE=E5=BA=93=E6=93=8D=E4=BD=9C=E4=
=BB=A3=E7=A0=81=E6=96=87=E4=BB=B6</STRONG><STRONG> <WBR><WBR> <=
WBR><WBR> <WBR><WBR></STRONG></P>
<P> <WBR><WBR> <WBR><WBR> <WBR><WBR>=20
=E4=B8=8E=E5=B7=A5=E4=BD=9C=E6=B5=81=E5=BC=95=E6=93=8E=E7=9A=84=E5=AE=9E=E7=
=8E=B0=E7=B1=BB=E4=BC=BC=EF=BC=8C=E4=B8=BA=E4=BA=86=E5=A2=9E=E5=BC=BA=E6=95=
=B0=E6=8D=AE=E8=AE=BF=E9=97=AE=E7=9A=84=E5=AE=89=E5=85=A8=E6=80=A7=EF=BC=8C=
=E6=8F=90=E9=AB=98=E4=BB=A3=E7=A0=81=E7=BC=96=E5=86=99=E6=95=88=E7=8E=87=EF=
=BC=8C=E8=BF=99=E9=87=8C=E4=B9=9F=E6=8A=8A=E5=AF=B9=E6=95=B0=E6=8D=AE=E5=BA=
=93=E7=9A=84=E6=93=8D=E4=BD=9C=E5=B0=81=E8=A3=85=E5=9C=A8=E7=B1=BB=E6=96=87=
=E4=BB=B6DataAccess.cs=E4=B8=AD=E3=80=82=E5=9B=A0=E4=B8=BA=E6=95=B0=E6=8D=
=AE=E8=AE=BF=E9=97=AE=E6=93=8D=E4=BD=9C=E4=BB=A3=E7=A0=81=E4=B8=8E=E7=AC=AC=
=E5=9B=9B=E7=AB=A0=E5=B7=A5=E4=BD=9C=E6=B5=81=E5=BC=95=E6=93=8E=E7=9A=84=E6=
=95=B0=E6=8D=AE=E8=AE=BF=E9=97=AE=E5=9F=BA=E7=A1=80=E7=B1=BBBase=E7=B1=BB=
=E4=BC=BC=EF=BC=8C=E8=BF=99=E9=87=8C=E4=BB=85=E5=88=97=E4=B8=BE=E6=95=B0=E6=
=8D=AE=E8=AE=BF=E9=97=AE=E6=93=8D=E4=BD=9C=E7=9A=84=E9=83=A8=E5=88=86=E5=87=
=BD=E6=95=B0=E5=90=8D=EF=BC=9A</P>
<P> <WBR> <WBR> <WBR> <WBR>using=20
System;<BR> <WBR> <WBR> <WBR> using=20
System.Data;<BR> <WBR> <WBR> <WBR> using=20
System.Data.SqlClient;<BR> <WBR> <WBR> <WBR> using=20
System.Configuration; <WBR> <WBR> <WBR></P>
<P> <WBR> <WBR> <WBR> namespace=20
drawtaskbytoolbar<BR> <WBR> <WBR> <WBR> {</P>
<P> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>&nbs=
p;<WBR>=20
<WBR>public class=20
DataAccess<BR> <WBR> <WBR> <WBR> <WBR> <WBR>&nbs=
p;<WBR> <WBR> <WBR>=20
{<BR> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>&n=
bsp;<WBR> <WBR> <WBR> <WBR> <WBR> <WBR> <WB=
R>=20
private SqlConnection mAppCon =3D=20
null;<BR> <WBR> <WBR> <WBR> <WBR> <WBR> <WB=
R> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR> =
;<WBR>=20
private string SqlErrDes =3D "";</P>
<P> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>&nbs=
p;<WBR> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>=
=20
public=20
DataAccess()<BR> <WBR> <WBR> <WBR> <WBR> <WBR>&n=
bsp;<WBR> <WBR> <WBR> <WBR> <WBR> <WBR> <WB=
R> <WBR>=20
{<BR> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>&n=
bsp;<WBR> <WBR> <WBR> <WBR> <WBR> <WBR> <WB=
R> <WBR> <WBR> <WBR> <WBR> <WBR>=20
mAppCon =3D new=20
SqlConnection();<BR> <WBR> <WBR> <WBR> <WBR> <WB=
R> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR> =
;<WBR> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR> =
string connstring =3D=20
ConfigurationSettings.AppSettings["DBsqlConn"];<BR> <WBR> <WBR>=
<WBR> <WBR> <WBR> <WBR> <WBR> <WBR> <=
WBR> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>&nb=
sp;<WBR> <WBR> <WBR>=20
mAppCon.ConnectionString =3D=20
connstring;<BR> <WBR> <WBR> <WBR> <WBR> <WBR>&nb=
sp;<WBR> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR=
> <WBR>=20
}</P>
<P> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>&nbs=
p;<WBR> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>=
=20
//=E8=BF=94=E5=9B=9E=E6=95=B0=E6=8D=AE=E5=BA=93=E6=93=8D=E4=BD=9C=E5=BC=82=
=E5=B8=B8=E7=9A=84=E5=85=AC=E5=85=B1=E5=8F=98=E9=87=8F<BR> <WBR>&nbs=
p;<WBR> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>=
<WBR> <WBR> <WBR> <WBR> <WBR>=20
public string=20
BaseSqlErrDes<BR> <WBR> <WBR> <WBR> <WBR> <WBR>&=
nbsp;<WBR> <WBR> <WBR> <WBR> <WBR> <WBR> <W=
BR> <WBR>=20
{<BR> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>&n=
bsp;<WBR> <WBR> <WBR> <WBR> <WBR> <WBR> <WB=
R> <WBR> <WBR> <WBR> <WBR> <WBR>=20
get<BR> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>=
<WBR> <WBR> <WBR> <WBR> <WBR> <WBR> <=
WBR> <WBR> <WBR> <WBR> <WBR> <WBR>=20
{<BR> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>&n=
bsp;<WBR> <WBR> <WBR> <WBR> <WBR> <WBR> <WB=
R> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR> =
;<WBR> <WBR> <WBR>=20
return=20
SqlErrDes;<BR> <WBR> <WBR> <WBR> <WBR> <WBR>&nbs=
p;<WBR> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>=
<WBR> <WBR> <WBR> <WBR> <WBR> <WBR> <=
WBR>}<BR> <WBR> <WBR> <WBR> <WBR> <WBR> <WB=
R> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR> =
;<WBR>=20
}<BR> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>&n=
bsp;<WBR> <WBR> <WBR> <WBR> <WBR> <WBR> <WB=
R>=20
...... <WBR> <WBR></P>
<P> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>&nbs=
p;<WBR> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>=
=20
//=E4=BB=A5sql=E8=AF=AD=E5=8F=A5=E4=B8=BA=E5=8F=82=E6=95=B0=EF=BC=8C=E6=89=
=A7=E8=A1=8Csql=E4=BF=AE=E6=94=B9=E3=80=81=E6=B7=BB=E5=8A=A0=E3=80=81=E5=88=
=A0=E9=99=A4=E6=93=8D=E4=BD=9C<BR> <WBR> <WBR> <WBR> =
<WBR> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>&n=
bsp;<WBR> <WBR> <WBR>=20
public bool SQLExeNonQuery( string Sql )</P>
<P> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>&nbs=
p;<WBR> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>=
=20
......<BR> <WBR> <WBR> <WBR> <WBR> <WBR> <W=
BR> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>&nbs=
p;<WBR>=20
//=E4=BB=A5sql=E5=91=BD=E4=BB=A4=E5=AF=B9=E8=B1=A1=E4=B8=BA=E5=8F=82=E6=95=
=B0=EF=BC=8C=E6=89=A7=E8=A1=8C=E5=88=A0=E9=99=A4=E3=80=81=E6=B7=BB=E5=8A=A0=
=E3=80=81=E4=BF=AE=E6=94=B9=E7=AD=89=E6=93=8D=E4=BD=9C<BR> <WBR>&nbs=
p;<WBR> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>=
<WBR> <WBR> <WBR> <WBR> <WBR> <WBR>public =
bool SQLExeNonQuery( SqlCommand cmd=20
)<BR> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>&n=
bsp;<WBR> <WBR> <WBR> <WBR> <WBR> <WBR> <WB=
R>=20
//=E6=89=A7=E8=A1=8C=E4=BA=8B=E5=8A=A1=E5=A4=84=E7=90=86(=E5=A4=9A=E8=AF=AD=
=E5=8F=A5=E4=BF=AE=E6=94=B9=E3=80=81=E6=B7=BB=E5=8A=A0=E3=80=81=E5=88=A0=E9=
=99=A4=E6=93=8D=E4=BD=9C)<BR> <WBR> <WBR> <WBR> <WBR>=
<WBR> <WBR> <WBR> <WBR> <WBR> <WBR> <=
WBR> <WBR> <WBR> <WBR>public=20
bool ExeSQLNonQueryTransactio<WBR>n( string Sql=20
)<BR> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>&n=
bsp;<WBR> <WBR> <WBR> <WBR> <WBR> <WBR> <WB=
R>=20
......</P>
<P> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>&nbs=
p;<WBR> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>=
=20
//sql=E8=AF=AD=E5=8F=A5=E6=9F=A5=E8=AF=A2=EF=BC=8C=E8=BF=94=E5=9B=9Edatas=
et<BR> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>&=
nbsp;<WBR> <WBR> <WBR> <WBR> <WBR> <WBR> <W=
BR>=20
public DataSet SQLExeDataSet(string=20
Sql)<BR> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR=
> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR> =
<WBR>=20
...... <WBR> <WBR></P>
<P> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>&nbs=
p;<WBR> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>=
=20
//sql=E8=AF=AD=E5=8F=A5=E6=9F=A5=E8=AF=A2=EF=BC=8C=E8=BF=94=E5=9B=9Edatas=
et<BR> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>&=
nbsp;<WBR> <WBR> <WBR> <WBR> <WBR> <WBR> <W=
BR>=20
public DataSet SQLExeDataSet(SqlCommand cmd)</P>
<P> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>&nbs=
p;<WBR> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>=
<WBR>......<BR> <WBR> <WBR> <WBR> <WBR> <W=
BR> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>&nbs=
p;<WBR> <WBR>=20
//=E5=88=A4=E6=96=AD=E6=98=AF=E5=90=A6=E5=AD=98=E5=9C=A8=E8=AE=B0=E5=BD=95=
<BR> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>&nb=
sp;<WBR> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR=
>=20
public bool IfExistRecord(SqlCommand cmd)</P>
<P> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>&nbs=
p;<WBR> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>=
=20
......<BR> <WBR> <WBR> <WBR> <WBR> <WBR> <W=
BR> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>&nbs=
p;<WBR>=20
//=E8=8E=B7=E5=8F=96=E4=BB=BB=E5=8A=A1=E5=AE=9A=E4=B9=89=E7=9A=84=E7=BC=96=
=E5=8F=B7<BR> <WBR> <WBR> <WBR> <WBR> <WBR> =
;<WBR> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>&=
nbsp;<WBR>=20
public string GetTaskID(string processid,string=20
taskname)<BR> <WBR> <WBR> <WBR> <WBR> <WBR> =
;<WBR> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>&=
nbsp;<WBR>=20
{<BR> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>&n=
bsp;<WBR> <WBR> <WBR> <WBR> <WBR> <WBR> <WB=
R> <WBR> <WBR> <WBR> <WBR> <WBR>=20
string strSql=3D"select TaskID from TaskDefinition where</P>
<P> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>&nbs=
p;<WBR> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>=
<WBR> <WBR> <WBR> <WBR> <WBR> <WBR> <=
WBR> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>&nb=
sp;<WBR> <WBR> <WBR>=20
ProcessID=3D"+processid+" and=20
TaskName=3D'"+taskname+"'";<BR> <WBR> <WBR> <WBR> <WB=
R> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR> =
;<WBR> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>&=
nbsp;<WBR> <WBR>......</P>
<P> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>&nbs=
p;<WBR> <WBR> <WBR> <WBR> <WBR> <WBR>=20
<WBR>}<BR> <WBR> <WBR> <WBR> <WBR> <WBR>&n=
bsp;<WBR> <WBR>=20
}<BR> <WBR> <WBR> <WBR> }</P>
<P><STRONG>5.7.4 <WBR>=E8=8A=82=E7=82=B9=E5=AE=9A=E4=B9=89=E7=B1=BB=E6=
=96=87=E4=BB=B6</STRONG><STRONG> <WBR><WBR> <WBR><WBR> <WB=
R><WBR></STRONG></P>
<P> <WBR><WBR> <WBR><WBR> <WBR><WBR>=20
<STRONG>1=E3=80=81=E8=8A=82=E7=82=B9=E5=AE=9A=E4=B9=89=E7=B1=BB=E6=96=87=E4=
=BB=B6NodeClass.cs</STRONG></P>
<P> <WBR> <WBR> <WBR> using=20
System;<BR> <WBR> <WBR> <WBR> using System.Drawing;</P>
<P> <WBR> <WBR> <WBR> namespace=20
drawtaskbytoolbar<BR> <WBR> <WBR> <WBR>=20
{<BR> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>&n=
bsp;<WBR> <WBR>=20
public class=20
NodeClass<BR> <WBR> <WBR> <WBR> <WBR> <WBR> =
;<WBR> <WBR> <WBR>=20
{ <WBR></P>
<P> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>&nbs=
p;<WBR> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>=
=20
//=E8=8A=82=E7=82=B9=E7=9F=A9=E5=BD=A2=E6=A1=86=E7=9A=84=E5=B7=A6=E4=B8=8A=
=E8=A7=92=E5=9D=90=E6=A0=87=EF=BC=8C=E7=94=A8=E4=BA=8E=E5=AE=9A=E4=BD=8D=E8=
=8A=82=E7=82=B9=E5=9B=BE=E5=BD=A2 <WBR><BR> <WBR> <WBR>&nb=
sp;<WBR> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR=
> <WBR> <WBR> <WBR> <WBR>=20
public float=20
LeftTopX;<BR> <WBR> <WBR> <WBR> <WBR> <WBR> =
;<WBR> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>&=
nbsp;<WBR>=20
public float LeftTopY;</P>
<P> <WBR> <WBR> <WBR> <WBR> <WBR> <WBR>&nbs=
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