📄 用javascript判断日期、数字、整数和特殊字符_javascript实例教程_javascrip12t_网页设计.mht
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<BR><BR>< script language=3D"javascript"> <BR>< !-- =
<BR><BR><BR>/**=20
<BR>LogicalValue:=D3=C3=D3=DA=C5=D0=B6=CF=B6=D4=CF=F3=B5=C4=D6=B5=CA=C7=B7=
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=D3=D0=A3=BA =
<BR>integer=A3=BA=D5=FB=D0=CD=A3=AC=BB=B9=BF=C9=C5=D0=B6=CF=D5=FD=D5=FB=D0=
=CD=BA=CD=B8=BA=D5=FB=D0=CD <BR>number=20
=A3=BA=CA=FD=D6=B5=D0=CD=A3=AC=CD=AC=D1=F9=BF=C9=C5=D0=B6=CF=D5=FD=B8=BA =
<BR>date =
=A3=BA=C8=D5=C6=DA=D0=CD=A3=AC=BF=C9=D6=A7=B3=D6=D2=D4=D7=D4=B6=A8=D2=E5=B7=
=D6=B8=F4=B7=FB=B5=C4=C8=D5=C6=DA=B8=F1=CA=BD=A3=AC=C8=B1=CA=A1=CA=C7=D2=D4=
´-´=CE=AA=B7=D6=B8=F4=B7=FB <BR>string=20
=A3=BA=C5=D0=B6=CF=D2=BB=B8=F6=D7=D6=B7=FB=B4=AE=B0=FC=C0=A8=BB=F2=B2=BB=B0=
=FC=C0=A8=C4=B3=D0=A9=D7=D6=B7=FB <BR>=B7=B5=BB=D8=D6=B5=A3=BA =
<BR>true=BB=F2false <BR><BR>=B2=CE=CA=FD=A3=BA <BR>ObjStr =
=A3=BA=B6=D4=CF=F3=B1=EA=CA=B6=B7=FB=A1=AA=A1=AA=B6=D4=CF=F3=C3=FB=A3=BB =
<BR>ObjType=A3=BA=B6=D4=CF=F3=C0=E0=D0=CD(´integer´,´nu=
mber´,´date´,´string´=D6=AE=D2=BB) =
<BR><BR>=C6=E4=CB=FB=CB=B5=C3=F7=A3=BA=20
<BR>=B5=B1=B6=D4=CF=F3=D6=B5=CE=AA=BF=D5=CA=B1=A3=AC=D4=F2=B7=B5=BB=D8=B4=
=ED=CE=F3=A1=A3 <BR><BR>Author:PPDJ <BR><BR>=C0=FD=D7=D3=A3=BA =
<BR>example=20
1:=D2=AA=C7=F3=BC=EC=D1=E9=CA=E4=C8=EB=BF=F2text1=B5=C4=CA=E4=C8=EB=CA=FD=
=BE=DD=CA=C7=B7=F1=CA=C7=A1=B0=D5=FB=D0=CD=A1=B1=CA=FD=BE=DD=A3=AC=C8=F4=B2=
=BB=CA=C7=A3=AC=D4=F2=CC=E1=CA=BE <BR>if =
(!LogicalValue(´text1´,´integer´))=20
alert(´Error: Your must input a integer number´); =
<BR>example=20
2:=D2=AA=C7=F3=BC=EC=D1=E9=CA=E4=C8=EB=BF=F2text1=B5=C4=CA=E4=C8=EB=CA=FD=
=BE=DD=CA=C7=B7=F1=CA=C7=A1=B0=D5=FD=D5=FB=D0=CD=A1=B1=CA=FD=BE=DD=A3=AC=C8=
=F4=B2=BB=CA=C7=A3=AC=D4=F2=CC=E1=CA=BE <BR>if=20
(!LogicalValue(´text1´,´integer´,´+´)=
) alert(´Error: Your must input a positive=20
integer number´); <BR>example =
3:=D2=AA=C7=F3=BC=EC=D1=E9=CA=E4=C8=EB=BF=F2text1=B5=C4=CA=E4=C8=EB=CA=FD=
=BE=DD=CA=C7=B7=F1=CA=C7=A1=B0=B8=BA=D5=FB=D0=CD=A1=B1=CA=FD=BE=DD=A3=AC=C8=
=F4=B2=BB=CA=C7=A3=AC=D4=F2=CC=E1=CA=BE <BR>if=20
(!LogicalValue(´text1´,´integer´,´-´)=
) alert(´Error: Your must input a negative=20
integer number´); <BR>exmaple =
4:=D2=AA=C7=F3=BC=EC=D1=E9=CA=E4=C8=EB=BF=F2text1=B5=C4=CA=E4=C8=EB=CA=FD=
=BE=DD=CA=C7=B7=F1=CA=C7=CA=FD=D6=B5=A3=AC=C8=F4=B2=BB=CA=C7=A3=AC=D4=F2=CC=
=E1=CA=BE <BR>if=20
(!LogicalValue(´text1´,´number´)) =
alert(´Error: Your must input a number´);=20
<BR>exmaple =
5:=D2=AA=C7=F3=BC=EC=D1=E9=CA=E4=C8=EB=BF=F2text1=B5=C4=CA=E4=C8=EB=CA=FD=
=BE=DD=CA=C7=B7=F1=CA=C7=A1=B0=D5=FD=A1=B1=CA=FD=D6=B5=A3=AC=C8=F4=B2=BB=CA=
=C7=A3=AC=D4=F2=CC=E1=CA=BE <BR>if=20
(!LogicalValue(´text1´,´number´,´+´))=
alert(´Error: Your must input a number´);=20
<BR>exmaple =
6:=D2=AA=C7=F3=BC=EC=D1=E9=CA=E4=C8=EB=BF=F2text1=B5=C4=CA=E4=C8=EB=CA=FD=
=BE=DD=CA=C7=B7=F1=CA=C7=A1=B0=B8=BA=A1=B1=CA=FD=D6=B5=A3=AC=C8=F4=B2=BB=CA=
=C7=A3=AC=D4=F2=CC=E1=CA=BE <BR>if=20
(!LogicalValue(´text1´,´number´,´-´))=
alert(´Error: Your must input a number´);=20
<BR>example =
7:=D2=AA=C7=F3=BC=EC=D1=E9=CA=E4=C8=EB=BF=F2text1=B5=C4=CA=E4=C8=EB=CA=FD=
=BE=DD=CA=C7=B7=F1=CA=C7=C8=D5=C6=DA=D0=CD=A3=AC=C8=F4=B2=BB=CA=C7=A3=AC=D4=
=F2=CC=E1=CA=BE <BR>if=20
(!LogicalValue(´text1´,´date´)) =
alert(´Error: Your must input a logical date=20
value´); =
<BR>=C8=F4=CB=FC=B5=C4=B7=D6=B8=F4=B7=FB=CE=AAA=A3=AC=A1=B0A=A1=B1=CA=C7=D2=
=BB=B8=F6=B1=E4=C1=BF=A3=AC=C8=E7=B3=A3=D3=C3=B5=C4´-´=BA=CD&=
acute;/´=A3=AC=D4=F2=D3=C3=C8=E7=CF=C2=D3=EF=B7=A8 <BR>if=20
(!LogicalValue(´text1´,´date´,A)) =
alert(´Error: Your must input a logical date=20
value´); =
<BR>=BB=F2=B5=B1=B7=D6=B8=F4=B7=FB=CE=AA´/´=CA=B1 <BR>if =
(!LogicalValue(´text1´,´date´,´/´)) =
alert(´Error:=20
Your must input a logical date value´); =
<BR>=B5=B1=B7=D6=B8=F4=B7=FB=CE=AA´-´=CA=B1=A3=AC=BF=C9=B2=BB=
=D2=AA=B2=CE=CA=FD´-´=A3=AC=BF=C9=B4=F8=C9=CF <BR>example=20
8:=D2=AA=C7=F3=BC=EC=D1=E9=CA=E4=C8=EB=BF=F2text1=B5=C4=CA=E4=C8=EB=B1=ED=
=CA=BE=D1=D5=C9=AB=B5=C4=D7=D6=B7=FB=B4=AE=CA=C7=B7=F1=BA=CF=C0=ED=A3=AC=C8=
=F4=B2=BB=BA=CF=C0=ED=A3=AC=D4=F2=CC=E1=CA=BE <BR>if=20
(!LogicalValue(´text1´,´string´,´0123456789=
ABCDEFabcdef´)) alert(´Error: Your=20
must input a logical color value´); <BR>example=20
9:=D2=AA=C7=F3=BC=EC=D1=E9=CA=E4=C8=EB=BF=F2text1=B5=C4=CA=E4=C8=EB=B1=ED=
=CA=BE=C3=DC=C2=EB=B5=C4=D7=D6=B7=FB=B4=AE=CA=C7=B7=F1=B2=BB=BA=AC=A1=B0&=
acute;"@#$%&^*=A1=B1=D5=E2=D0=A9=D7=D6=B7=FB=A3=AC=C8=F4=BA=AC=D3=D0=A3=
=AC=D4=F2=CC=E1=CA=BE <BR>if=20
(!LogicalValue(´text1´,´string´,´´"@#=
$%&^*´,false)) alert(´Error: Your=20
password can not contain ´"@#$%&^*´);=20
<BR>=C6=E4=D6=D0false=B1=ED=CA=BE=B2=BB=B0=FC=BA=AC=D3=D0=C4=B3=D0=A9=D7=D6=
=B7=FB=A3=ACtrue=B1=ED=CA=BE=B1=D8=D0=EB=CA=C7=C4=C4=D0=A9=D7=D6=B7=FB=A3=
=AC=C8=B1=CA=A1=D6=B5=CE=AAtrue <BR>*/ <BR>function=20
LogicalValue(ObjStr,ObjType) <BR>{ <BR>var str=3D´´; <BR>if =
((ObjStr=3D=3Dnull) ||=20
(ObjStr=3D=3D´´) || ObjType=3D=3Dnull) <BR>{ =
<BR>alert(´=BA=AF=CA=FDLogicalValue=C8=B1=C9=D9=B2=CE=CA=FD´)=
; <BR>return=20
false; <BR>} <BR>var obj =3D document.all(ObjStr); <BR>if =
(obj.value=3D=3D´´) return=20
false; <BR>for (var i=3D2;i{ <BR>if (str!=3D´´) <BR>str +=3D =
´,´; <BR>str +=3D=20
´arguments[´+i+´]´; <BR>} =
<BR>str=3D(str=3D=3D´´?´obj.value´:´obj.val=
ue,´+str);=20
<BR>var temp=3DObjType.toLowerCase(); <BR>if =
(temp=3D=3D´integer´) <BR>{ <BR>return=20
eval(´IsInteger(´+str+´)´); <BR>} <BR>else if =
(temp=3D=3D´number´) <BR>{ <BR>return=20
eval(´IsNumber(´+str+´)´); <BR>} <BR>else if =
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