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JavaScript通用库（二）
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/*
IsEnLetter(string,string):测试字符串，大小写(UL,U,L or ul,u,l)
*/
function IsEnLetter(objStr,size)
{
var reg;
if(Trim(objStr)=="")
{
return false;
}
else
{
objStr=objStr.toString();
}
if((size==null)||(Trim(size)==""))
{
size="UL";
}
else
{
size=size.toUpperCase();
}
switch(size)
{
case "UL":
//大小写
reg=/^[A-Za-z]+$/;
break;
case "U":
//大写
reg=/^[A-Z]+$/;
break;
case "L":
//小写
reg=/^[a-z]+$/;
break;
default:
alert("检查大小写参数，只可为(空、UL、U、L)");
return false;
break;
}
var r=objStr.match(reg);
if(r==null)
{
return false;
}
else
{
return true;
}
}
/*
================================================================================
功能：鼠标小提示
作者：申旺
日期：2004/04/15
================================================================================
*/
//定义变量、设置默认值
var LabelFontFace="宋体,arial,Verdana";
var LabelFontColor="#000000";
var LabelFontSize="9pt";
var LabelFontStyle="Font.PLAIN";
var LabelBorderColor="#000000";
var LabelBackColor="#FFFFE1";
//设置各个属性
function SetLabelFontFace(obj)
{
obj=Trim(obj);
if(obj==null || obj=="")
{
obj="宋体,arial,Verdana";
}
LabelFontFace=obj;
}
function SetLabelFontColor(obj)
{
obj=Trim(obj);
if(obj==null || obj=="")
{
obj="#000000";
}
LabelFontColor=obj;
}
function SetLabelFontSize(obj)
{
obj=Trim(obj);
if(obj==null || obj=="")
{
obj="9pt";
}
LabelFontSize=obj;
}
function SetLabelFontStyle(obj)
{
obj=Trim(obj);
if(obj==null || obj=="")
{
obj="Font.PLAIN";
}
LabelFontStyle=obj;
}
function SetLabelBorderColor(obj)
{
obj=Trim(obj);
if(obj==null || obj=="")
{
obj="#000000";
}
LabelBorderColor=obj;
}
function SetLabelBackColor(obj)
{
obj=Trim(obj);
if(obj==null || obj=="")
{
obj="#FFFFE1";
}
LabelBackColor=obj;
}
//合成文字样式
function SetTextStyle(str)
{
var strRet="";
var strStyle="";
strStyle="font-family:"+LabelFontFace+";";
strStyle+="color:"+LabelFontColor+";";
strStyle+="font-size:"+LabelFontSize+";";
switch(LabelFontStyle.toLowerCase())
{
case "font.plain":
strStyle+="font-weight: normal;";
strStyle+="font-style: normal;";
break;
case "font.bold":
strStyle+="font-weight: bold;";
strStyle+="font-style: normal;";
break;
case "font.italic":
strStyle+="font-weight: normal;";
strStyle+="font-style: italic;";
break;
case "font.italicbold":
case "font.bolditalic":
strStyle+="font-weight: bold;";
strStyle+="font-style: italic;";
break;
default:
strStyle+="font-weight: bold;";
strStyle+="font-style: italic;";
break;
}
strRet="<font style='"+strStyle+"'>";
strRet+=" "+str+" ";
strRet+="</font>";
return strRet;
}
//合成表格样式
function SetTableStyle()
{
var strRet="";
strRet+="border-right: "+LabelBorderColor+" 1px solid;";
strRet+="border-top: "+LabelBorderColor+" 1px solid;";
strRet+="border-left: "+LabelBorderColor+" 1px solid;";
strRet+="border-bottom: "+LabelBorderColor+" 1px solid;";
strRet+="background-color:"+LabelBackColor;
return strRet;
}
//显示提示
function ShowNote(str)
{
var strHtml;
strHtml="";
strHtml+="<table height=1px width=1px border='0'cellspacing='0' cellpadding='0' style='" + SetTableStyle() + "'>";
strHtml+="<tr>";
strHtml+="<td>"+SetTextStyle(str)+"</td>";
strHtml+="</tr>";
strHtml+="</table>";
if (document.all&&document.readyState=="complete")
{
document.all.div_Note.innerHTML=strHtml;
document.all.div_Note.style.pixelLeft=event.clientX+document.body.scrollLeft+10
document.all.div_Note.style.pixelTop=event.clientY+document.body.scrollTop+10
document.all.div_Note.style.visibility="visible"
}
}
//隐藏提示
function HideNote()
{
if (document.all)
{
document.all.div_Note.style.visibility="hidden";
}
else
{
if (document.layers)
{
clearInterval(currentscroll)
document.div_Note.visibility="hidden";
}
}
}
//初始化
function Init()
{
window.document.write("<div id=\"div_Note\" style=\"VISIBILITY:hidden; POSITION:absolute; HEIGHT:13px;z-index:1\"></div>");
}
Init();
//生成提示字符
function ShowLabel(text,note,bclick)
{
if(bclick!=null)
{
return "<a href=\"#\" onMouseOver=\"ShowNote('" + note + "')\" onMouseOut=\"HideNote()\" onClick=\"javascript:DoSomeThing(this);\">" + text + "</a>";
}
else
{
return "<a href=\"#\" onMouseOver=\"ShowNote('" + note + "')\" onMouseOut=\"HideNote()\">" + text + "</a>";
}
}
测试页面：
<HTML>
<HEAD>
<title>Common JavaScript</title>
<script language="javascript" src="./Common.js"></script>
<script language="javascript">
function CheckInt()
{
iptResult.value=IsInt(iptTest.value,iptSign.value,iptZero.value);
}
function CheckFloat()
{
iptResult.value=IsFloat(iptTest.value,iptSign.value,iptZero.value);
}
function CheckLetter()
{
iptResult.value=IsEnLetter(iptTest.value,iptSign.value);
}
document.write(ShowLabel("TEST","Only a testing!"));
document.write("<br>");
</script>
<meta http-equiv="expires" content="0">
</HEAD>
<body>
<input type=text value="" id="iptTest"><input type=button value="IsEmpty" onclick="IsEmpty('iptTest');">
<input type=button value="CheckInt" onclick="CheckInt()">
<br>
<input type=text value="" id="iptSign" NAME="iptSign"><input type=button value="CheckFloat" onclick="CheckFloat()">
<br>
<input type=text value="" id="iptZero" NAME="iptZero"><input type=button value="CheckLetter" onclick="CheckLetter()">
<br>
<input type=text value="" id=iptResult disabled=true>
</body>
</HTML>JavaScript通用库（二） |
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