| 阿七 |
2006-04-05 09:03 |
用javascript对中文的unicode编码和反编码 \!erP!$x .
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<script> ._uXK[c7P
function unicode(s){ ya<nD '%9
var len=s.length; INd:_cT4l
var rs=""; e-Xr^@M*Q
for(var i=0;i<len;i++){ 3q!hY
var k=s.substring(i,i+1); vn NX)$f
rs+="&#"+s.charCodeAt(i)+";"; &X^ -|7~N
} GI~JIXHTQ
return rs; 6`tc]a"#Zb
} , : I:F
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function runicode(s){ 00?_10x)
var k=s.split(";"); )O xsasn)M
var rs=""; 8QYP\7}o
for(i=0;i<k.length;i++){ KlMSkdmW
var m=k.replace(/&#/,""); k
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rs+=String.fromCharCode(m); =N 62 ){{
} $ ]ew<j
return rs; 9; \a|8O
} 9h Jlc
alert(unicode("我是一头猪"));//我是一头猪 fEdp^oVg
alert(runicode("我是一头猪")); +b =X~>vZ
</script> Io|3zE*<
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图像尺寸加载后修改，以适应页面宽度 6.!aJJLN
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<script> _~l*p"PL<
function foo(){ ]^ e4c oC
var k=document.all; qG]G0|f
for(var i=0;i<k.length;i++){ %nRz~3X|+v
if(k.tagName=="IMG"){ '`)r<
lYN,
if(k.width>500){ //500是最大宽度 A~@u#]]<n
var height=Math.ceil(k.height*500/k.width); ;JD
/4:
k.height=height; ]O^C'GzZ
k.width="500"; \CY_nn|&g
} >
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} R_vF$X'O w
} 33M10
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} Rk8oshS+2
</script> >" &&,~
<body onload="foo()"> N!{wa PbPi
<img src="2.jpg" border="0" width="500" height="500" />
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<INPUT TYPE="BUTTON" Value="sub" onclick="foo()" /> h1(GzL%i_
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一个倒计时功能，5分种提醒,0秒自动提交 b 9%G"?~Zz
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<SCRIPT LANGUAGE="JavaScript"> 2H
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<!-- 'QP~uK
var time="3600"; f]*TIYicc
var atime="300"; //定义时间 PCcI(b>?l
var etime="0"; 4g "_E
function count(){ ssx #\
setTimeout("count()",1000); //1000毫秒＝1秒加载一次计数 6p}dl>T_y
document.form1.rest.value=format(Math.floor(time/60))+"分:"+format(time%60)+"秒"; j,J/iJs
time--; Rn d.<jz+Y
if(time==atime){ 2Sha&Z*CE
alert("还剩5分钟"); +vSp+X1E
} ;+Mee ^E>!
if(time==etime-1){ A4mnm6Tf
alert("时间到，已经自动提交"); PX$_."
WA
document.form1.submit(); \Q~HL_fy|Y
} b;~?a#Z}
} {I9<W'k{
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function format(time){ upc-Qvk
var len=time.toString().length; h)o5j-M>4
for(i="0";i<2-len;i++){ [a2Q ^a b
time+="0"; }%l k$g';
} l(j._j~p
return time; '0t No.8K
} enB 2-)< K
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//--> /@xL {
</SCRIPT> '1NZSiv+C?
<form action="Save.Asp" method="post" name="form1" /> tg#d.(
<INPUT TYPE="button" Value="开始" onClick="count()" /> 8v12<ktR`
<INPUT TYPE="text" NAME="rest" Value="60分:00秒" /> mgL{t"$c
</form> (V:)`A_-
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一个简单的计算器 Cu-z`.#}R
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<form name="form2" onClick="count(this)"> ELa:yIl0
<INPUT TYPE="button" value="0" name="a"> y-R:-K XH=
<INPUT TYPE="button" value="1" name="a"> Bm:N@w
g
<INPUT TYPE="button" value="2" name="a"> skzTw66W.
<INPUT TYPE="button" value="3" name="a"> g( -}M`
<INPUT TYPE="button" value="4" name="a"> lDF26< <\`
<INPUT TYPE="button" value="5" name="a"> LP:U6 Z
<INPUT TYPE="button" value="6" name="a"> -xMM}r
y
<INPUT TYPE="button" value="7" name="a"> .~Y%
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<INPUT TYPE="button" value="8" name="a"> Ks F kC=
<INPUT TYPE="button" value="9" name="a"> 6 ,j &u7
<INPUT TYPE="button" value="-" name="a"> Ou,Eu05jt'
<INPUT TYPE="button" value="+" name="a"> yI G*
<INPUT TYPE="button" value="*" name="a"> %LZ-i?DL4Q
<INPUT TYPE="text" NAME="total" readOnly> ;{S7bH' 6m
<INPUT TYPE="button" value="计算" name="b"> ,`. `}'
<INPUT TYPE="button" value="清空" name="c"> \rPT7\ZA
</form> y -
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<SCRIPT LANGUAGE="JavaScript"> GJ P\vsaQ
<!-- n^:Wc[[m
function count(form1){ u8sK~1CPf
var k = event.srcElement; n1 +,Pe*)
if(k.tagName=="INPUT"){ &Rxy]k BA
if(k.name=="a"){ A_xUP9g@?
form1.total.value+=k.value; +~cW0 z
} <h<4R Rj
else if(k.name=="b"){ D`f i\A
var a=eval(form1.total.value); vddh 2G
alert(a); w 7Y>B`wm?
} 2 }HS`) /
else if(k.name=="c"){ nd?R |._R
form1.total.value=""; \ 5=fC9*G
} pGh A
} 8jxs%N,aI
} I~:
AWS9
//--> f7Fr%*cO
</SCRIPT> |
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