| 阿七 |
2006-04-05 09:03 |
用javascript对中文的unicode编码和反编码 @JSWqi>
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<script> yD<#Q\,
function unicode(s){ $@VJ@JAe
var len=s.length; ,i*rHMe
var rs=""; 0/~p1SSun
for(var i=0;i<len;i++){ 0-p^o A
var k=s.substring(i,i+1); Dml?.-Uv<
rs+="&#"+s.charCodeAt(i)+";"; .yF-<Y
} MO ~T_6
return rs; {ZUk!o>m@
} p cD}S Y
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function runicode(s){ 0084`&Ki
var k=s.split(";"); qo9&e~Y<G
var rs=""; 44QW&qL!(
for(i=0;i<k.length;i++){ ]>)}xfL &,
var m=k.replace(/&#/,""); WA}'[h
rs+=String.fromCharCode(m); wPghgjF{
} bIT[\Q
return rs; 5@.8O VPz
} !o'
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alert(unicode("我是一头猪"));//我是一头猪 +4t
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alert(runicode("我是一头猪")); LZ#A`&qUd
</script> Z+R-}<
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图像尺寸加载后修改，以适应页面宽度 <mLU-'c@
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<script> jhG6,;1zMI
function foo(){ \U]<HEc^
var k=document.all; El`G<esX
for(var i=0;i<k.length;i++){ 'o]}vyz;
if(k.tagName=="IMG"){ s/?(G L+Ae
if(k.width>500){ //500是最大宽度 aS 3-A
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var height=Math.ceil(k.height*500/k.width); ;rJ#>7K
k.height=height; 'e))i#/ VF
k.width="500"; 9MRe?
} cCtd\/ \
} IxG0TJ _
} k:
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} DKQQZ` PF
</script> 1
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<body onload="foo()"> ({rescQB
<img src="2.jpg" border="0" width="500" height="500" /> az:lG(ZGw
<INPUT TYPE="BUTTON" Value="sub" onclick="foo()" /> !Je!;mEv I
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一个倒计时功能，5分种提醒,0秒自动提交 >*w(YB]/$V
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<SCRIPT LANGUAGE="JavaScript"> kZ_5R#xK
<!-- cMt
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var time="3600"; (P:.@ P~
var atime="300"; //定义时间 9T;l*
var etime="0"; 1K$8F ~%Z
function count(){ Se5jxV
setTimeout("count()",1000); //1000毫秒＝1秒加载一次计数 u|8V7*)3
document.form1.rest.value=format(Math.floor(time/60))+"分:"+format(time%60)+"秒"; @h\u}Ee
time--; CI?M2\<g
if(time==atime){ u-Ip*1/wp
alert("还剩5分钟"); nIP* yb}5
} V@>s]]HMq#
if(time==etime-1){ ab5z&7Re6
alert("时间到，已经自动提交"); U@?Ro enn
document.form1.submit(); *$ 7c||J7
} &@
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} 6c
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function format(time){ w+ow x(mN@
var len=time.toString().length; X6@G)68
for(i="0";i<2-len;i++){ E>SLR8!C v
time+="0"; *e05{C:kS
} -z4pI=
return time; UYb:q
} h|1 /Q
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//--> F\;G'dm
</SCRIPT> {)0"?$C_H
<form action="Save.Asp" method="post" name="form1" /> ZjXpMx,
<INPUT TYPE="button" Value="开始" onClick="count()" /> &De&ZypU
<INPUT TYPE="text" NAME="rest" Value="60分:00秒" /> vN%SN>=L<
</form>
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一个简单的计算器 W]rK* Dc
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<form name="form2" onClick="count(this)"> =X1 1x)]F9
<INPUT TYPE="button" value="0" name="a"> =)3tVH&
<INPUT TYPE="button" value="1" name="a"> 3R[5prE<
<INPUT TYPE="button" value="2" name="a"> #yk
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<INPUT TYPE="button" value="3" name="a"> =5jX#Dc5.+
<INPUT TYPE="button" value="4" name="a"> n
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<INPUT TYPE="button" value="5" name="a"> T0ebW
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<INPUT TYPE="button" value="6" name="a"> _s
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<INPUT TYPE="button" value="7" name="a"> COa" z g
<INPUT TYPE="button" value="8" name="a"> H 1>}E5^?
<INPUT TYPE="button" value="9" name="a"> v'*#P7%Kf
<INPUT TYPE="button" value="-" name="a"> Uzb~L_\Rmt
<INPUT TYPE="button" value="+" name="a"> &JM|u ww?1
<INPUT TYPE="button" value="*" name="a"> M3350
<INPUT TYPE="text" NAME="total" readOnly> '
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<INPUT TYPE="button" value="计算" name="b"> k ckWBL
<INPUT TYPE="button" value="清空" name="c"> ?1Lzbou
</form> Tt.wY=,K
<SCRIPT LANGUAGE="JavaScript"> wG4=[d
<!-- p*8LS7U T
function count(form1){ S$Tc\ /{
var k = event.srcElement; cbD&tsF
if(k.tagName=="INPUT"){ @JS O=8
if(k.name=="a"){ GQOz\ic
form1.total.value+=k.value; 8o-*s+EY"&
} i w<2|]>l
else if(k.name=="b"){ vd>X4e ^j
var a=eval(form1.total.value); E=. 4(J7K
alert(a); xJ)hGPrAl
} -ckk2D?
else if(k.name=="c"){ SyFO f
form1.total.value=""; _6v|k}tW'Y
} lV/-jkR
} 1H{M0e
} L, L>cmpM
//--> /l-lkG5
</SCRIPT> |
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