| 阿七 |
2006-04-05 09:03 |
用javascript对中文的unicode编码和反编码 %z"$?Iv
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<script> aghlYcPg
function unicode(s){ "39mhX2
var len=s.length; pNu?DF{
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var rs=""; [g+ WL\1
for(var i=0;i<len;i++){ z@jKzyq
var k=s.substring(i,i+1); "Zm
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rs+="&#"+s.charCodeAt(i)+";"; j2 >WHh
} VwXR ,(
return rs; ?4R q +
} :
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function runicode(s){ f.R;<V.)
var k=s.split(";"); hWX4
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var rs=""; *
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for(i=0;i<k.length;i++){ |UcF%VNnz1
var m=k.replace(/&#/,""); Vu<mOuh
rs+=String.fromCharCode(m); Dd$8{~h"G
} ZMK1V)ohn
return rs; Nvd(Tad
} c-Qa0 Q
alert(unicode("我是一头猪"));//我是一头猪 _e|-O>#pl
alert(runicode("我是一头猪")); P rv=f@
</script> X{h[
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图像尺寸加载后修改，以适应页面宽度 Z/;8eb*B7
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<script> |%(qaPA1
function foo(){ ^)3=WD'!
var k=document.all; RF\h69]:I
for(var i=0;i<k.length;i++){ C"h7'+Kw
if(k.tagName=="IMG"){ :1#$p
if(k.width>500){ //500是最大宽度 a1v?{vu\E
var height=Math.ceil(k.height*500/k.width); op_
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k.height=height; xQqZi b5I
k.width="500"; 4 8 mTL+*
} n." XiXsN
} df $pT?o
} R ~#&xfMd.
} 5N|hsfkx
</script> 36 ]?4, .
<body onload="foo()"> 2j[; M-3
<img src="2.jpg" border="0" width="500" height="500" /> hWr}Uui
<INPUT TYPE="BUTTON" Value="sub" onclick="foo()" /> 1(L
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一个倒计时功能，5分种提醒,0秒自动提交 v=YI%{tx)
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<SCRIPT LANGUAGE="JavaScript"> ,WS{O6O7
<!-- "u"?~
var time="3600"; j<A; i
var atime="300"; //定义时间 .gw6W0\F
var etime="0"; 5>h#
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function count(){ U{3Pk0rZ
setTimeout("count()",1000); //1000毫秒＝1秒加载一次计数 z s[zB #
document.form1.rest.value=format(Math.floor(time/60))+"分:"+format(time%60)+"秒"; sTECNY=l
time--; 12 bztlv
if(time==atime){ AH# Dk5# G
alert("还剩5分钟"); 6
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} 5Ja[p~^L
if(time==etime-1){ 2L7ogyrU/A
alert("时间到，已经自动提交"); }[By N).
document.form1.submit(); ~4ysg[`
} hKN/&P^
} !l1jQq_mK
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function format(time){ >F;yfv;
var len=time.toString().length; /Au7X'}
for(i="0";i<2-len;i++){ /m+.5Qz9)@
time+="0"; E
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} . &n;S'
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return time; =b# ,OXQ
} r?=3TA
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//--> .\|}5J9W
</SCRIPT> e&F=w`F\
<form action="Save.Asp" method="post" name="form1" />
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<INPUT TYPE="button" Value="开始" onClick="count()" /> O| 0} m
<INPUT TYPE="text" NAME="rest" Value="60分:00秒" /> 604^~6
</form> vN`JP`IBx
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一个简单的计算器 8fQaMn4V
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<form name="form2" onClick="count(this)"> O}q(2[*i
<INPUT TYPE="button" value="0" name="a"> 8PO Lp9>X
<INPUT TYPE="button" value="1" name="a"> Eilo;-E
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<INPUT TYPE="button" value="2" name="a"> fZrB!\Q
<INPUT TYPE="button" value="3" name="a"> Ia*T*q Ju
<INPUT TYPE="button" value="4" name="a"> MHAWnH8
<INPUT TYPE="button" value="5" name="a"> 'Rw*WK
<INPUT TYPE="button" value="6" name="a"> hO4*
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<INPUT TYPE="button" value="7" name="a"> ]gB:ht
<INPUT TYPE="button" value="8" name="a"> \Gz
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<INPUT TYPE="button" value="9" name="a"> q wHP8GU
<INPUT TYPE="button" value="-" name="a"> Mg=R**s1x%
<INPUT TYPE="button" value="+" name="a"> kDK0L3}nr]
<INPUT TYPE="button" value="*" name="a"> wlfq$h p
<INPUT TYPE="text" NAME="total" readOnly> TvwkeOS#}7
<INPUT TYPE="button" value="计算" name="b"> A,! YXl
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<INPUT TYPE="button" value="清空" name="c"> s, ;L6nX"
</form> yo"!C?82=
<SCRIPT LANGUAGE="JavaScript"> mA0|W#
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<!-- K8|>" c~
function count(form1){ l08JL
var k = event.srcElement; gatxv R7H
if(k.tagName=="INPUT"){ 1|
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if(k.name=="a"){ H0Ck%5
form1.total.value+=k.value; oq9gG)F
} G;v3kGn
else if(k.name=="b"){ H(F9&6}
var a=eval(form1.total.value); $z'_Hr'
alert(a); -{s9PZ3~_
} %Y<3v \`_
else if(k.name=="c"){ 4+4C0/$Y
form1.total.value=""; Q eipfK+me
} DyPb]Udb:
} K{[N.dX(
}
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//--> y`p(}X`>
</SCRIPT> |
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