<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<
html
xmlns
=
"http://www.w3.org/1999/xhtml"
>
<
head
>
<
meta
http-equiv
=
"Content-Type"
content
=
"text/html; charset=gb2312"
>
<
title
>在文本框中顯示行號,兼容瀏覽器ie、ff</
title
>
<
link
href
=
"style/public.css"
rel
=
"stylesheet"
type
=
"text/css"
>
<
style
type
=
"text/css"
>
.b1{height:20px;border:1px solid #7f9db9;line-height:20px; padding:0}
input.btn{height:auto; font-size:14px; font-weight:bold; color:#000}
#main {color:#666}
textarea{border:1px solid #7f9db9; font-size:14px; width:448px; color:#000}
input{font-size:14px; color:#000}
#main h3{color:#000}
.grey{color:#999}
em{font-style:normal; color:#FF0000; font-size:12px;}
#msg1,#msg2,#msg3,#msg4{ display:none}
#ol{position:absolute; z-index:1; padding:0px; margin:0px; border:0px; background:#ecf0f5;width:23px; text-align:left; }
#li{background:#ecf0f5; height:160px; overflow:hidden; width:23px; border-right:0; line-height:20px; margin:0px; padding:0px; padding-left:2px; text-align:center}
#c2{font-family:Arial, Helvetica, sans-serif; height:160px; margin:0px; width:420px; padding:0 0 0 28px; overflow-x: hidden; line-height:20px;}
</
style
>
<
script
language
=
"javascript"
type
=
"text/javascript"
>
String.prototype.trim2 = function()
{
return this.replace(/(^\s*)|(\s*$)/g, "");
}
function F(objid){
return document.getElementById(objid).value;
}
function G(objid){
return document.getElementById(objid);
}
</
script
>
</
head
>
<
body
onLoad
=
"keyUp();"
>
<
h3
><
em
>*</
em
>專輯曲目:</
h3
>
<
div
>
<
table
width
=
"900"
border
=
"0"
cellspacing
=
"0"
cellpadding
=
"0"
style
=
"position:relative"
>
<
tr
>
<
td
width
=
"55%"
>
<
div
id
=
"ol"
><
textarea
cols
=
"2"
rows
=
"10"
id
=
"li"
disabled></
textarea
></
div
>
<
textarea
name
=
"co"
cols
=
"60"
rows
=
"10"
wrap
=
"off"
id
=
"c2"
onblur
=
"check('2')"
onkeyup
=
"keyUp()"
onFocus
=
"clearValue('2')"
onscroll
=
"G('li').scrollTop = this.scrollTop;"
oncontextmenu
=
"return false"
class
=
"grey"
>牛仔很忙 周杰倫
吻別 張學(xué)友
Colorful Days 樸樹
美麗的神話 韓紅 孫楠</
textarea
>
</
td
>
<
td
width
=
"45%"
valign
=
"top"
><
p
>在文本框中顯示行號,兼容瀏覽器ie、ff</
p
>
<
p
>輸入內(nèi)容回車換行,會顯示行號。支持粘貼。js代碼是從工作中的代碼摘出來的,可能有些冗余。</
p
>
</
td
>
</
tr
>
</
table
>
</
div
>
<
em
class
=
"block"
id
=
"msg2"
>不能為空。</
em
>
<
script
language
=
"javascript"
type
=
"text/javascript"
>
var msgA=["msg1","msg2","msg3","msg4"];
var c=["c1","c2","c3","c4"];
var slen=[50,20000,20000,60];//允許最大字?jǐn)?shù)
var num="";
var isfirst=[0,0,0,0,0,0];
function isEmpty(strVal){
if( strVal == "" )
return true;
else
return false;
}
function isBlank(testVal){
var regVal=/^\s*$/;
return (regVal.test(testVal))
}
function chLen(strVal){
strVal=strVal.trim2();
var cArr = strVal.match(/[^\x00-\xff]/ig);
return strVal.length + (cArr == null ? 0 : cArr.length);
}
function check(i){
var iValue=F("c"+i);
var iObj=G("msg"+i);
var n=(chLen(iValue)>slen[i-1]);
if((isBlank(iValue)==true)||(isEmpty(iValue)==true)||n==true){
iObj.style.display ="block";
}else{
iObj.style.display ="none";
}
}
function checkAll(){
for(var i=0;i<
msgA.length
; i++){
check(i+1);
if(G(msgA[i]).style.display=="none"){
continue;
}else{
alert("填寫錯誤,請查看紅色提示信息!");
return;
}
}
G("form1").submit();
}
function clearValue(i){
G(c[i-1])
.style.color
=
"#000"
;
keyUp();
if(isfirst[i]==0){
G(c[i-1])
.value
=
""
;
}
isfirst[i]=1;
}
function keyUp(){
var
obj
=
G
("c2");
var
str
=
obj
.value;
str
=str.replace(/\r/gi,"");
str
=str.split("\n");
n
=
str
.length;
line(n);
}
function line(n){
var
lineobj
=
G
("li");
for(var
i
=
1
;i<=n;i++){
if(document.all){
num+=i+"\r\n";
}else{
num+=i+"\n";
}
}
lineobj.value
=
num
;
num
=
""
;
}
function autoScroll(){
var nV = 0;
if(!document.all){
nV
=
G
("c2").scrollTop;
G("li")
.scrollTop
=
nV
;
setTimeout("autoScroll()",20);
}
}
if(!document.all){
window.addEventListener("load",autoScroll,false);
}
</script>
</
body
>
</
html
>
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