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Javascript 中的 网页设计中总结的几个有用的JS特效代码


出处:互联网   整理: 软晨网(RuanChen.com)   发布: 2009-09-28   浏览: 147 ::
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  1、以事件驱动JavaScript 函数

 

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>无标题文档</title>
<script>
<!--
function hello()
{
aa=100
cc='欢迎第'+aa+'次光临!'
alert(cc)
}
//-->
</script>
</head>
<body >
<a href="网址" onmouseover="hello()"> 网页名</a> 
</body>
</html>

  2、文本域显示内容,但不可修改

<input value="网页名" readonly>

  3、让select控件可以自定义边框

<style>
.box2{border:1px solid #00ff00;width:180px;height:17px;clip:rect(0px,179px,16px,0px);overflow:hidden;}
select{position:relative;left:-2px;top:-2px;font-size:12px;width:183px;line-height:14px;border:0px;color:#909993;}
</style>
<div class=box2><select id=idselect1 onchange="select1();" hidefocus>
<option selected>网页名</option>
<option>网页制作</option>
<option>媒体动画</option>
<option>网站运营<option>
</select></div>

       4、CSS圆角

<html xmlns:v>
<head>
 <style>
 v\:* {behavior: url(#default#VML);}
 </style>
</head>
<body> 
<v:RoundRect style="position:relative;width:200;height:100px">
 <v:shadow on="T" type="single" color="#b3b3b3" offset="5px,5px"/>
 <v:textbox style="font-size:12px">css实现真正的圆角表格</v:textbox>
 </v:RoundRect>
</body>
</html>

  5、建银密码输入器

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>无标题文档</title>
</head>
<body>
<INPUT 
                  onkeydown=Calc.password.value=this.value title=登录密码
                  onclick="password1=this;showkeyboard();this.readOnly=1;Calc.password.value=''"
                  readOnly type=password maxLength=12
                  onchange=Calc.password.value=this.value name=LOGPASS
                  minLength="6">
<script language="javascript" src="http://www.ruanchen.com/"#ff0000">softkeyboard.js

//定义当前是否大写的状态
window.onload=
 function()
 {
  password1=null;  
  initCalc();
 }

var CapsLockValue=0;

var check;
function setVariables() {
tablewidth=630;  // logo width, in pixels
tableheight=20;  // logo height, in pixels
if (navigator.appName == "Netscape") {
horz=".left";
vert=".top";
docStyle="document.";
styleDoc="";
innerW="window.innerWidth";
innerH="window.innerHeight";
offsetX="window.pageXOffset";
offsetY="window.pageYOffset";
}
else {
horz=".pixelLeft";
vert=".pixelTop";
docStyle="";
styleDoc=".style";
innerW="document.body.clientWidth";
innerH="document.body.clientHeight";
offsetX="document.body.scrollLeft";
offsetY="document.body.scrollTop";
   }
}
function checkLocation() {
if (check) {
objectXY="softkeyboard";
var availableX=eval(innerW);
var availableY=eval(innerH);
var currentX=eval(offsetX);
var currentY=eval(offsetY);
x=availableX-tablewidth+currentX;
//y=availableY-tableheight+currentY;
y=currentY;

evalMove();
}
setTimeout("checkLocation()",0);
}
function evalMove() {
//eval(docStyle + objectXY + styleDoc + horz + "=" + x);
eval(docStyle + objectXY + styleDoc + vert + "=" + y);

}


 self.onError=null;
 currentX = currentY = 0; 
 whichIt = null;          
 lastScrollX = 0; lastScrollY = 0;
 NS = (document.layers) ? 1 : 0;
 IE = (document.all) ? 1: 0;
 function heartBeat() {
  if(IE) { diffY = document.body.scrollTop; diffX = document.body.scrollLeft; }
     if(NS) { diffY = self.pageYOffset; diffX = self.pageXOffset; }
  if(diffY != lastScrollY) {
                 percent = .1 * (diffY - lastScrollY);
                 if(percent > 0) percent = Math.ceil(percent);
                 else percent = Math.floor(percent);
     if(IE) document.all.softkeyboard.style.pixelTop += percent;
     if(NS) document.softkeyboard.top += percent;
                 lastScrollY = lastScrollY + percent;}
  if(diffX != lastScrollX) {
   percent = .1 * (diffX - lastScrollX);
   if(percent > 0) percent = Math.ceil(percent);
   else percent = Math.floor(percent);
   if(IE) document.all.softkeyboard.style.pixelLeft += percent;
   if(NS) document.softkeyboard.left += percent;
   lastScrollX = lastScrollX + percent; }  }
 function checkFocus(x,y) {
         stalkerx = document.softkeyboard.pageX;
         stalkery = document.softkeyboard.pageY;
         stalkerwidth = document.softkeyboard.clip.width;
         stalkerheight = document.softkeyboard.clip.height;
         if( (x > stalkerx && x < (stalkerx+stalkerwidth)) && (y > stalkery && y < (stalkery+stalkerheight))) return true;
         else return false;}
 function grabIt(e) {
     check = false;
  if(IE) {
   whichIt = event.srcElement;
   while (whichIt.id.indexOf("softkeyboard") == -1) {
    whichIt = whichIt.parentElement;
    if (whichIt == null) { return true; } }
   whichIt.style.pixelLeft = whichIt.offsetLeft;
      whichIt.style.pixelTop = whichIt.offsetTop;
   currentX = (event.clientX + document.body.scrollLeft);
      currentY = (event.clientY + document.body.scrollTop);  
  } else {
         window.captureEvents(Event.MOUSEMOVE);
         if(checkFocus (e.pageX,e.pageY)) {
                 whichIt = document.softkeyboard;
                 StalkerTouchedX = e.pageX-document.softkeyboard.pageX;
                 StalkerTouchedY = e.pageY-document.softkeyboard.pageY;} }
     return true; }
 function moveIt(e) {
  if (whichIt == null) { return false; }
  if(IE) {
      newX = (event.clientX + document.body.scrollLeft);
      newY = (event.clientY + document.body.scrollTop);
      distanceX = (newX - currentX);    distanceY = (newY - currentY);
      currentX = newX;    currentY = newY;
      whichIt.style.pixelLeft += distanceX;
      whichIt.style.pixelTop += distanceY;
   if(whichIt.style.pixelTop < document.body.scrollTop) whichIt.style.pixelTop = document.body.scrollTop;
   if(whichIt.style.pixelLeft < document.body.scrollLeft) whichIt.style.pixelLeft = document.body.scrollLeft;
   if(whichIt.style.pixelLeft > document.body.offsetWidth - document.body.scrollLeft - whichIt.style.pixelWidth - 20) whichIt.style.pixelLeft = document.body.offsetWidth - whichIt.style.pixelWidth - 20;
   if(whichIt.style.pixelTop > document.body.offsetHeight + document.body.scrollTop - whichIt.style.pixelHeight - 5) whichIt.style.pixelTop = document.body.offsetHeight + document.body.scrollTop - whichIt.style.pixelHeight - 5;
   event.returnValue = false;
  } else {
   whichIt.moveTo(e.pageX-StalkerTouchedX,e.pageY-StalkerTouchedY);
         if(whichIt.left < 0+self.pageXOffset) whichIt.left = 0+self.pageXOffset;
         if(whichIt.top < 0+self.pageYOffset) whichIt.top = 0+self.pageYOffset;
         if( (whichIt.left + whichIt.clip.width) >= (window.innerWidth+self.pageXOffset-17)) whichIt.left = ((window.innerWidth+self.pageXOffset)-whichIt.clip.width)-17;
         if( (whichIt.top + whichIt.clip.height) >= (window.innerHeight+self.pageYOffset-17)) whichIt.top = ((window.innerHeight+self.pageYOffset)-whichIt.clip.height)-17;
         return false;}
     return false; }
 function dropIt() {whichIt = null;
     if(NS) window.releaseEvents (Event.MOUSEMOVE);
     return true; }
 if(NS) {window.captureEvents(Event.MOUSEUP|Event.MOUSEDOWN);
  window.onmousedown = grabIt;
   window.onmousemove = moveIt;
  window.onmouseup = dropIt; }
 if(IE) {
  document.onmousedown = grabIt;
   document.onmousemove = moveIt;
  document.onmouseup = dropIt; }
// if(NS || IE) action = window.setInterval("heartBeat()",1);

 document.write("<DIV align=center id=\"softkeyboard\" name=\"softkeyboard\" style=\"position:absolute; left:0px; top:0px; width:500px; z-index:180;display:none\">  <table id=\"CalcTable\" width=\"\" border=\"0\" align=\"center\" cellpadding=\"0\" cellspacing=\"0\" bgcolor=\"\">           <FORM id=Calc name=Calc action=\"\" method=post autocomplete=\"off\">       <tr> <td title=\"尊敬的用户:为了保证您的密码安全,建议使用密码输入器输入密码!\" align=\"right\" valign=\"middle\" bgcolor=\"\" style=\"cursor: default;height:30\"> <INPUT type=hidden value=\"\" name=password>  <INPUT type=hidden value=ok name=action2>&nbsp;&nbsp;&nbsp;密码输入器&nbsp&nbsp&nbsp&nbsp&nbsp;&nbsp;&nbsp&nbsp;&nbsp;&nbsp&nbsp;&nbsp;&nbsp&nbsp;&nbsp;&nbsp&nbsp;&nbsp;&nbsp&nbsp;&nbsp&nbsp;<INPUT style=\"width:100px;height:20px;background-color:#54BAF1;\" type=button value=\"使用键盘输入\" bgtype=\"1\" onclick=\"password1.readOnly=0;password1.focus();softkeyboard.style.display='none';password1.value='';\"><span style=\"width:2px;\"></span></td>      </tr>      <tr align=\"center\">         <td align=\"center\" bgcolor=\"#FFFFFF\"> <table align=\"center\" width=\"%\" border=\"0\" cellspacing=\"1\" cellpadding=\"0\">\n          <tr align=\"left\" valign=\"middle\"> \n            <td> <input type=button value=\" ~ \"></td>\n            <td> <input type=button value=\" ! \"></td>\n            <td> <input type=button  value=\" @ \"></td>\n            <td> <input type=button value=\" # \"></td>\n            <td> <input type=button value=\" $ \"></td>\n            <td> <input type=button value=\" % \"></td>\n            <td> <input type=button value=\" ^ \"></td>\n            <td> <input type=button value=\" & \"></td>\n            <td> <input type=button value=\" * \"></td>\n            <td> <input type=button value=\" ( \"></td>\n            <td> <input type=button value=\" ) \"></td>\n            <td> <input type=button value=\" _ \"></td>\n            <td> <input type=button value=\" + \"></td>\n            <td> <input type=button value=\" | \"></td>\n            <td colspan=\"1\" rowspan=\"2\"> <input name=\"button10\" type=button value=\" 退格\" onclick=\"setpassvalue();\"  onDblClick=\"setpassvalue();\" style=\"width:100px;height:42px\"> \n            </td>\n          </tr>\n          <tr align=\"left\" valign=\"middle\"> \n            <td> <input type=button value=\" ` \"></td>\n            <td> <input type=button value=\" 1 \"></td>\n            <td> <input type=button value=\" 2 \"></td>\n            <td> <input type=button value=\" 3 \"></td>\n            <td> <input type=button value=\" 4 \"></td>\n            <td> <input type=button value=\" 5 \"></td>\n            <td> <input type=button value=\" 6 \"></td>\n            <td> <input type=button value=\" 7 \"></td>\n            <td> <input type=button value=\" 8 \"></td>\n            <td> <input type=button value=\" 9 \"></td>\n            <td> <input name=\"button6\" type=button value=\" 0 \"></td>\n            <td> <input type=button value=\" - \"></td>\n            <td> <input type=button value=\" = \"></td>\n            <td> <input type=button value=\" \\ \"></td>\n            <td> </td>\n          </tr>\n          <tr align=\"left\" valign=\"middle\"> \n            <td> <input type=button value=\" q \"></td>\n            <td> <input type=button value=\" w \"></td>\n            <td> <input type=button value=\" e \"></td>\n            <td> <input type=button value=\" r \"></td>\n            <td> <input type=button value=\" t \"></td>\n            <td> <input type=button value=\" y \"></td>\n            <td> <input type=button value=\" u \"></td>\n            <td> <input type=button value=\" i \"></td>\n            <td> <input type=button value=\" o \"></td>\n            <td> <input name=\"button8\" type=button value=\" p \"></td>\n            <td> <input name=\"button9\" type=button value=\" { \"></td>\n            <td> <input type=button value=\" } \"></td>\n            <td> <input type=button value=\" [ \"></td>\n            <td> <input type=button value=\" ] \"></td>\n            <td><input name=\"button9\" type=button onClick=\"capsLockText();setCapsLock();\"  onDblClick=\"capsLockText();setCapsLock();\" value=\"切换大/小写\" style=\"width:100px;\"></td>\n          </tr>\n          <tr align=\"left\" valign=\"middle\"> \n            <td> <input type=button value=\" a \"></td>\n            <td> <input type=button value=\" s \"></td>\n            <td> <input type=button value=\" d \"></td>\n            <td> <input type=button value=\" f \"></td>\n            <td> <input type=button value=\" g \"></td>\n            <td> <input type=button value=\" h \"></td>\n            <td> <input type=button value=\" j \"></td>\n            <td> <input name=\"button3\" type=button value=\" k \"></td>\n            <td> <input name=\"button4\" type=button value=\" l \"></td>\n            <td> <input name=\"button5\" type=button value=\" : \"></td>\n            <td> <input name=\"button7\" type=button value=\" &quot; \"></td>\n            <td> <input type=button value=\" ; \"></td>\n            <td> <input type=button value=\" ' \"></td>\n            <td rowspan=\"2\" colspan=\"2\"> <input name=\"button12\" type=button onclick=\"OverInput();\" value=\"   确定  \" style=\"width:130px;height:42\"></td>\n          </tr>\n          <tr align=\"left\" valign=\"middle\"> \n            <td> <input name=\"button2\" type=button value=\" z \"></td>\n            <td> <input type=button value=\" x \"></td>\n            <td> <input type=button value=\" c \"></td>\n            <td> <input type=button value=\" v \"></td>\n            <td> <input type=button value=\" b \"></td>\n            <td> <input type=button value=\" n \"></td>\n            <td> <input type=button value=\" m \"></td>\n            <td> <input type=button value=\" &lt; \"></td>\n            <td> <input type=button value=\" &gt; \"></td>\n            <td> <input type=button value=\" ? \"></td>\n            <td> <input type=button value=\" , \"></td>\n            <td> <input type=button value=\" . \"></td>\n            <td> <input type=button value=\" / \"></td>\n          </tr>\n        </table></td>    </FORM>      </tr>  </table></DIV>")
//给输入的密码框添加新值
 function addValue(newValue)
 {
  if (CapsLockValue==0)
  {
   var str=Calc.password.value;
   if(str.length<password1.maxLength)
   {
    Calc.password.value += newValue;
   }   
   if(str.length<=password1.maxLength)
   {
    password1.value=Calc.password.value;
   }
  }
  else
  {
   var str=Calc.password.value;
   if(str.length<password1.maxLength)
   {
    Calc.password.value += newValue.toUpperCase();
   }
   if(str.length<=password1.maxLength)
   {
    password1.value=Calc.password.value;
   }
  }
 }
//实现BackSpace键的功能
 function setpassvalue()
 {
  var longnum=Calc.password.value.length;
  var num
  num=Calc.password.value.substr(0,longnum-1);
  Calc.password.value=num;
  var str=Calc.password.value;
   password1.value=Calc.password.value;
 }
//输入完毕
 function OverInput()
 {
  //m_pass.mempass.value=Calc.password.value;
  var str=Calc.password.value;
   password1.value=Calc.password.value;
   //alert(theForm.value);
  //theForm.value=m_pass.mempass.value;
  softkeyboard.style.display="none";
  Calc.password.value="";
  password1.readOnly=1;
  //password1.value=Calc.password.value;
 }
//关闭软键盘
 function closekeyboard(theForm)
 {
  //eval("var theForm="+theForm+";");
  //theForm.value="";
  softkeyboard.style.display="none";
  //Calc.password.value="";

 }
//显示软键盘
 function showkeyboard()
 {
  if(event.y+140)
  softkeyboard.style.top=event.y+document.body.scrollTop+15;

  if((event.x-250)>0)
  {
   softkeyboard.style.left=event.x-250;
  }
  else
  {
   softkeyboard.style.left=0;
  }
  
  softkeyboard.style.display="block";
  password1.readOnly=1;
  password1.blur();
  //password1.value="";
 }

//设置是否大写的值
function setCapsLock()
{
 if (CapsLockValue==0)
 {
  CapsLockValue=1
//  Calc.showCapsLockValue.value="当前是大写 ";
 }
 else
 {
  CapsLockValue=0
//  Calc.showCapsLockValue.value="当前是小写 ";
 }
}


function setCalcborder()
{
 CalcTable.style.border="1px solid #0090FD"
}

function setHead()
{
 CalcTable.cells[0].style.backgroundColor="#7EDEFF" 
}

function setCalcButtonBg()
{
 for(var i=0;i<Calc.elements.length;i++)
 {
  if(Calc.elements[i].type=="button"&&Calc.elements[i].bgtype!="1")
  {
 //  if(i==10)
// alert(123);
   Calc.elements[i].style.borderTopWidth= 0
   Calc.elements[i].style.borderRightWidth= 2
   Calc.elements[i].style.borderBottomWidth= 2
   Calc.elements[i].style.borderLeftWidth= 0
   Calc.elements[i].style.borderTopStyle= "none";
   Calc.elements[i].style.borderRightStyle= "solid";
   Calc.elements[i].style.borderBottomStyle= "solid";
   Calc.elements[i].style.borderLeftStyle= "none";
   //#46AC17
   Calc.elements[i].style.borderTopColor= "#118ACC";
   Calc.elements[i].style.borderRightColor= "#118ACC";
   Calc.elements[i].style.borderBottomColor= "#118ACC";
   Calc.elements[i].style.borderLeftColor= "#118ACC";
   //#CBF3B2
   Calc.elements[i].style.backgroundColor="#ADDEF8";

   
   
   var str1=Calc.elements[i].value;
   str1=str1.trim();
   /*
   if(str1=="`")
   {
    Calc.elements[i].style.fontSize=14;
   }
   */

   if(str1.length==1)
   {
    //Calc.elements[i].style.fontSize=16;
    //Calc.elements[i].style.fontWeight='bold';
   }
   
   var thisButtonValue=Calc.elements[i].value;
   thisButtonValue=thisButtonValue.trim();
   if(thisButtonValue.length==1)
   {
    Calc.elements[i].onclick=
     function ()
     {
      var thisButtonValue=this.value;
      thisButtonValue=thisButtonValue.trim();
      addValue(thisButtonValue);
      //alert(234)
     }
    Calc.elements[i].ondblclick=
     function ()
     {
      var thisButtonValue=this.value;
      thisButtonValue=thisButtonValue.trim();
      addValue(thisButtonValue);
      //alert(234)
     }
   }
   
  }
 }
}

function initCalc()
{
 setCalcborder();
 setHead();
 setCalcButtonBg();
}

String.prototype.trim = function()
{
    // 用正则表达式将前后空格
    // 用空字符串替代。
    return this.replace(/(^\s*)|(\s*$)/g, "");
}

var capsLockFlag;
capsLockFlag=true;

function capsLockText()
{
if(capsLockFlag)//改成大写
{
 for(var i=0;i<Calc.elements.length;i++)
 {
   var char=Calc.elements[i].value;
   var char=char.trim()
  if(Calc.elements[i].type=="button"&&char>="a"&&char<="z"&&char.length==1)
  {
  
   Calc.elements[i].value=" "+String.fromCharCode(char.charCodeAt(0)-32)+" "
  }
 }
}
else
{
 for(var i=0;i<Calc.elements.length;i++)
 {
   var char=Calc.elements[i].value;
   var char=char.trim()
  if(Calc.elements[i].type=="button"&&char>="A"&&char<="Z"&&char.length==1)
  {
  
   Calc.elements[i].value=" "+String.fromCharCode(char.charCodeAt(0)+32)+" "
  }
 }
}
capsLockFlag=!capsLockFlag;
}