📄 jsp培训（3）——客户端验证、常用输出方式、jstl基本用法.mht
字号:
continue;<BR> =
=20
=
else<BR>  =
; =20
return =
false;<BR> =20
}<BR> return =
true;<BR> }<BR>3=A1=A2=20
=
=C8=E7=BA=CE=BD=A8=C1=A2=B1=ED=B5=A5=CC=E1=BD=BB=D3=EB=D1=E9=D6=A4=B7=BD=B7=
=A8=D6=AE=BC=E4=B5=C4=B9=D8=C1=AA?<BR>=CA=B9=D3=C3=B1=ED=B5=A5form=B5=C4o=
nsubmit=CA=C2=BC=FE=CD=EA=B3=C9=A1=A3<BR><form name=3D"form1"=20
method=3D"post" <BR>action=3D"process.jsp" onsubmit=3D"return=20
=
isValidate(form1)"><BR>=BA=EC=C9=AB=B2=BF=B7=D6=CA=C7=B6=D4=D1=E9=D6=A4=
=B7=BD=B7=A8=B5=C4=B5=F7=D3=C3=A1=A3<BR>=D7=A2=D2=E2=A3=BA=D5=E2=CA=B1=BA=
=F2=CA=B9=D3=C3=B5=C4=CA=C7form=B5=C4=CC=E1=BD=BB=CA=C2=BC=FE=A3=AC=CA=B9=
=D3=C3=B5=C4=CA=C7=CC=E1=BD=BB=B0=B4=C5=A5=A1=A3<BR>=D2=B2=BF=C9=D2=D4=B0=
=D1=CC=E1=BD=BB=B0=B4=C5=A5=D0=DE=B8=C4=B3=C9=C6=D5=CD=A8=B0=B4=C5=A5=A3=AC=
=C8=BB=BA=F3=CA=B9=D3=C3=B0=B4=C5=A5=B5=C4onClick=CA=C2=BC=FE=B5=F7=D3=C3=
=D1=E9=D6=A4=B7=BD=B7=A8=A1=A3<BR>4=A1=A2=20
=
=D4=DA=BD=F8=D0=D0=D1=E9=D6=A4=B5=C4=CA=B1=BA=F2=D2=AA=BB=F1=C8=A1=CA=E4=C8=
=EB=B5=C4=D0=C5=CF=A2=A3=AC=C8=E7=B9=FB=BB=F1=C8=A1=A3=BF<BR>=B1=ED=B5=A5=
=B5=C4=C3=FB=D7=D6=D6=B1=B5=BD=B1=ED=B5=A5=D4=AA=CB=D8=A3=AC=D4=D9=B5=C3=B5=
=BD=D6=B5=A1=A3=C0=FD=C8=E7=A3=BA<BR>userid =3D=20
=
form.userid.value;<BR>=B1=E4=C1=BF=B2=BB=D0=E8=D2=AA=B6=A8=D2=E5=BF=C9=D2=
=D4=D6=B1=BD=D3=CA=B9=D3=C3=A1=A3<BR>5=A1=A2=20
=
=CA=B5=C0=FD=A3=BA=B6=D4=D7=A2=B2=E1=B9=A6=C4=DC=D6=D0=B5=C4=D3=C3=BB=A7=C3=
=FB=BA=CD=BF=DA=C1=EE=BD=F8=D0=D0=D1=E9=D6=A4<BR> =
<%@ page=20
contentType=3D"text/html;charset=3Dgb2312"%><BR><script=20
language=3D"JavaScript"><BR> //=20
=
=BD=F8=D0=D0=D1=E9=D6=A4=B5=C4=B7=BD=B7=A8<BR> =
function=20
isValidate(form){<BR> =
userid =3D=20
form.userid.value;<BR> =20
=
if(userid=3D=3D""){<BR> &n=
bsp; =20
=
alert("=D3=C3=BB=A7ID=B2=BB=C4=DC=CE=AA=BF=D5");<BR> &nb=
sp; =20
return false;<BR> }else=20
if(userid.length>8 ||=20
=
userid.length<6){<BR> &=
nbsp; =20
=
alert("=B3=A4=B6=C8=D3=A6=B8=C3=CE=AA6=A3=AD8=CE=BB");<BR> &nb=
sp; =20
return false;<BR> }</P>
<P> =20
=
userpass=3Dform.userpass.value;<BR> &n=
bsp;=20
=
if(userpass.length!=3D8){<BR> &n=
bsp; =20
=
alert("=BF=DA=C1=EE=B5=C4=B3=A4=B6=C8=B2=BB=CE=AA8=A3=A1");<BR> &nbs=
p; =20
return false;<BR> }</P>
<P> return=20
true;<BR> =20
}<BR></script><BR>=C7=EB=D7=A2=B2=E1<br><BR><form =
name=3D"form1"=20
method=3D"post" action=3D"process.jsp" onsubmit=3D"return=20
isValidate(form1)"><BR> =
=D3=C3=BB=A7ID=A3=BA<input=20
type=3D"text"=20
=
name=3D"userid">=D3=C3=BB=A7ID=B3=A4=B6=C8=CE=AA6=A3=AD8=CE=BB<br&g=
t;<BR> =20
=BF=DA=C1=EE=A3=BA<input type=3D"password"=20
=
name=3D"userpass">=D2=AA=C7=F3=BF=DA=C1=EE=B3=A4=B6=C8=CE=AA8<br>=
;<BR> =20
=C8=B7=C8=CF=BF=DA=C1=EE=A3=BA<input type=3D"password"=20
name=3D"userpass1"><br><BR> =
=D0=D4=B1=F0=A3=BA<input=20
type=3D"radio" name=3D"sex" value=3D"=C4=D0"=20
=
checked>=C4=D0<BR> &nbs=
p; =20
<input type=3D"radio" name=3D"sex"=20
value=3D"=C5=AE">=C5=AE<br><BR> =
=B0=AE=BA=C3=A3=BA<input=20
type=3D"checkbox" name=3D"fav"=20
=
value=3D"=D4=CB=B6=AF">=D4=CB=B6=AF<BR> &=
nbsp; =20
<input type=3D"checkbox" name=3D"fav"=20
=
value=3D"=D2=F4=C0=D6">=D2=F4=C0=D6<BR> &=
nbsp; =20
<input type=3D"checkbox" name=3D"fav"=20
=
value=3D"=B1=E0=B3=CC">=B1=E0=B3=CC<br><BR> &nb=
sp;=20
=
=D1=A7=C0=FA=A3=BA<BR> =
<select=20
=
name=3D"degree"><BR> &n=
bsp; =20
<option=20
=
value=3D"=B1=BE=BF=C6">=B1=BE=BF=C6</option><BR> &nbs=
p; =20
<option=20
=
value=3D"=CB=B6=CA=BF">=CB=B6=CA=BF</option><BR> &nbs=
p; =20
<option=20
=
value=3D"=D7=A8=BF=C6">=D7=A8=BF=C6</option><BR> &nbs=
p; =20
<option=20
=
value=3D"=B2=A9=CA=BF">=B2=A9=CA=BF</option><BR> &nbs=
p; =20
</select><br><BR> =20
=
=B1=B8=D7=A2=A3=BA<BR> =
<textarea=20
=
name=3D"comment"></textarea><br><BR> &nbs=
p; =20
<input type=3D"submit" value=3D"=CC=E1=BD=BB"><input =
type=3D"reset"=20
value=3D"=D6=D8=D6=C3"><BR></form><BR>6=A1=A2=20
=
=B3=A3=D3=C3=B5=C4=D1=E9=D6=A4=A3=BA=CD=A8=B9=FDregiest.jsp=CE=C4=BC=FE=BD=
=E9=C9=DC<BR>=D5=E2=B8=F6=D1=E9=D6=A4=B2=BB=CA=C7=D7=EE=C8=AB=C3=E6=B5=C4=
=A3=AC=D2=B2=B2=BB=CA=C7=D7=EE=D3=C5=B5=C4=A3=AC=C8=E7=B9=FB=C4=E3=D0=E8=D2=
=AA=BF=C9=D2=D4=CD=A8=B9=FD=CD=F8=C2=E7=B2=E9=D5=D2=A3=AC=C1=ED=CD=E2=BF=C9=
=D2=D4=B2=E9=D4=C4JavaScript=CF=E0=B9=D8=CA=E9=BC=AE=A3=AC=D3=D0=BA=DC=B6=
=E0=CF=D6=B3=C9=B5=C4JavaScript=B7=BD=B7=A8=BF=C9=D2=D4=CA=B9=D3=C3=A1=A3=
=C1=ED=CD=E2=D4=DA=BD=F8=D0=D0=BF=CD=BB=A7=B6=CB=D1=E9=D6=A4=B5=C4=CA=B1=BA=
=F2=BF=C9=D2=D4=CA=B9=D3=C3=D5=FD=D4=F2=B1=ED=B4=EF=CA=BD=A3=AC=B2=A2=C7=D2=
=B1=C8=BD=CF=B7=BD=B1=E3=A1=A3<BR>=CF=C2=C3=E6=B5=C4=B4=FA=C2=EB=B9=A9=B2=
=CE=BF=BC=A3=BA<BR> =20
<%@ page =
contentType=3D"text/html;charset=3Dgb2312"%><BR><script=20
language=3D"JavaScript"><BR> =
function=20
isValidate(form)<BR> =20
{<BR> //=20
=
=B5=C3=B5=BD=D3=C3=BB=A7=CA=E4=C8=EB=B5=C4=D0=C5=CF=A2<BR> &nb=
sp; userid=20
=3D=20
=
form.userid.value;<BR> &nb=
sp;=20
username =3D=20
=
form.username.value;<BR> &=
nbsp;=20
userpass =3D=20
=
form.userpass.value;<BR> &=
nbsp;=20
userpass2 =3D=20
=
form.userpass2.value;<BR> =
=20
birthday =3D=20
=
form.birthday.value;<BR> &=
nbsp;=20
email =3D=20
=
form.email.value;<BR> &nbs=
p;=20
address =3D=20
=
form.address.value;<BR> &n=
bsp;=20
phone =3D form.phone.value;</P>
<P> //=20
=
=C5=D0=B6=CF=D3=C3=BB=A7ID=B3=A4=B6=C8<BR> &=
nbsp; =20
=
if(!minLength(userid,6))<BR> &nb=
sp; =20
=
{<BR> &n=
bsp; =20
=
alert("=D3=C3=BB=A7ID=B3=A4=B6=C8=D0=A1=D3=DA6=CE=BB=A3=A1");<BR> &n=
bsp; =20
=
form.userid.focus();<BR> &=
nbsp; =20
return =
false;<BR> =20
}<BR> =20
=
if(!maxLength(userid,8))<BR> &nb=
sp; =20
=
{<BR> &n=
bsp; =20
=
alert("=D3=C3=BB=A7ID=B3=A4=B6=C8=B4=F3=D3=DA8=CE=BB=A3=A1");<BR> &n=
bsp; =20
=
form.userid.focus();<BR> &=
nbsp; =20
return =
false;<BR> =20
}</P>
<P> //=20
=
=C5=D0=B6=CF=D3=C3=BB=A7=C3=FB=B3=A4=B6=C8<BR> &nb=
sp; =20
=
if(!minLength(username,6))<BR> &=
nbsp; =20
=
{<BR> &n=
bsp; =20
=
alert("=D3=C3=BB=A7=C3=FB=B3=A4=B6=C8=D0=A1=D3=DA6=CE=BB=A3=A1");<BR>&nbs=
p;  =
;=20
=
form.username.focus();<BR>  =
; =20
return =
false;<BR> =20
}<BR> =20
=
if(!maxLength(username,8))<BR> &=
nbsp; =20
=
{<BR> &n=
bsp; =20
=
alert("=D3=C3=BB=A7=C3=FB=B3=A4=B6=C8=B4=F3=D3=DA8=CE=BB=A3=A1");<BR>&nbs=
p;  =
;=20
=
form.username.focus();<BR>  =
; =20
return =
false;<BR> =20
}</P>
<P> //=20
=
=C5=D0=B6=CF=BF=DA=C1=EE=B3=A4=B6=C8<BR> &nb=
sp; =20
=
if(!minLength(userpass,6))<BR> &=
nbsp; =20
=
{<BR> &n=
bsp; =20
=
alert("=BF=DA=C1=EE=B3=A4=B6=C8=D0=A1=D3=DA6=CE=BB=A3=A1");<BR> &nbs=
p; =20
=
form.userpass.focus();<BR>  =
; =20
return =
false;<BR> =20
}<BR> =20
=
if(!maxLength(userpass,8))<BR> &=
nbsp; =20
=
{<BR> &n=
bsp; =20
=
alert("=BF=DA=C1=EE=B3=A4=B6=C8=B4=F3=D3=DA8=CE=BB=A3=A1");<BR> &nbs=
p; =20
=
form.userpass.focus();<BR>  =
; =20
return =
false;<BR> =20
}</P>
<P> //=20
=
=C5=D0=B6=CF=D3=C3=BB=A7=C3=FB=BA=CD=BF=DA=C1=EE=CA=C7=B7=F1=CF=E0=CD=AC<=
BR> =20
=
if(username=3D=3Duserpass)<BR> &=
nbsp; =20
=
{<BR> &n=
bsp; =20
=
alert("=D3=C3=BB=A7=C3=FB=BA=CD=BF=DA=C1=EE=B2=BB=C4=DC=CF=E0=B5=C8=A3=A1=
");<BR> =
=20
=
form.userpass.focus();<BR>  =
; =20
return =
false;<BR> =20
}</P>
<P> //=20
=
=D1=E9=D6=A4=C1=BD=B4=CE=BF=DA=C1=EE=CA=C7=B7=F1=CF=E0=CD=AC<BR> &nb=
sp; =20
if(userpass !=3D=20
=
userpass2)<BR> =20
=
{<BR> &n=
bsp; =20
=
alert("=C1=BD=B4=CE=CA=E4=C8=EB=B5=C4=BF=DA=C1=EE=B2=BB=CF=E0=CD=AC=A3=A1=
");<BR> =
=20
=
form.userpass.focus();<BR>  =
; =20
return =
false;<BR> =20
}</P>
<P> //=20
=
=D1=E9=D6=A4=C9=FA=C8=D5=B5=C4=B8=F1=CA=BD=CA=C7=B7=F1=D5=FD=C8=B7<BR>&nb=
sp; =20
=
if(!isDate(birthday))<BR> =
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