Editor js_texteara

Posted on 2009-06-25 filed under: AJAX (RSS) 48 views

.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:#3851B7}
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;}

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>在文本框中显示行号，兼容浏览器ie、ff</title>
<link rel="stylesheet" href="onLineNumber.css" type="text/css" media="all" />
<script src="onLineNumber.js" type="text/javascript"></script>
<script language="javascript" type="text/javascript"> 
function says(){
	var text = document.getElementById('c2');
	alert(text.value);
	var  eee = document.getElementById('eee');
	eee.innerHTML = text.value;
}
</script> 
</head>
<body onLoad="keyUps();"> 
<div>
<table width="900" border="0" cellspacing="0" cellpadding="0">
  <tr>
    <td width="55%">
    <div><textarea cols="2" rows="10" disabled></textarea></div>
    <textarea name="sdd" cols="60" rows="10" wrap="off"  onkeyup="keyUps()" onscroll="G('li').scrollTop = this.scrollTop;" oncontextmenu="return false" >
    	a
		b
		cd
		dasfsdfas
		sdfa
		sdfa  
    </textarea>    
    </td> 
  </tr>
</table> 
</div>  
<span>sss</span> 
<em>不能为空。</em>
</body> 
</html>

/**
 * @author Administrator
 */
String.prototype.trim2 = function()
{
    return this.replace(/(^\s*)|(\s*$)/g, "");
}
function F(objid){
	return document.getElementById(objid).value;
}
function G(objid){
	return document.getElementById(objid);
}  
var msgA=["msg1","msg2","msg3","msg4"];
var c=["c1","c2","c3","c4"];
var slen=[50,20000,20000,60];//允许最大字数
var num="";
var isfirst=[0,0,0,0,0,0];
function isEmpty(strVal){
	if( strVal == "" )
		return true;
	else
		return false;
}
function isBlank(testVal){		
    var regVal=/^\s*$/;
    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("填写错误,请查看红色提示信息！");
			return;
		}
	}
	G("form1").submit();	
}
function clearValue(i){
	G(c[i-1]).style.color="#0909F7"; 
	keyUps();	
//	if(isfirst[i]==0){
//		G(c[i-1]).value="";
//	}
//	isfirst[i]=1; 
}
function keyUps(){
	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);
}

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>在文本框中显示行号，兼容浏览器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>专辑曲目：</h3>
<div>

<table width="900" border="0" cellspacing="0" cellpadding="0">
  <tr>
    <td width="55%">
    <div><textarea cols="2" rows="10" disabled></textarea></div>
    <textarea name="co" cols="60" rows="10" wrap="off"  onkeyup="keyUp()" onscroll="G('li').scrollTop = this.scrollTop;" oncontextmenu="return false" >牛仔很忙 周杰伦
吻别 张学友
Colorful Days   朴树
美丽的神话   韩红 孙楠</textarea>    
    </td>
    <td width="45%" valign="top"><p>在文本框中显示行号，兼容浏览器ie、ff</p>
      <p>输入内容回车换行，会显示行号。支持粘贴。js代码是从工作中的代码摘出来的，可能有些冗余。</p>

      </td>
  </tr>
</table>
</div>
<em>不能为空。</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];//允许最大字数
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("填写错误,请查看红色提示信息！");
			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>