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JavaScript事件大全3

2024-07-31 02:56:13   220人阅读

//无模式的提示框

 

 

 

 

//屏蔽按键

 

<html>
<head>
   <metahttp-equiv="Content-Type"content="text/html;charset=gb2312">
  <noscript><metahttp-equiv="refresh"content="0;url=about:noscript"></noscript>
  <title>屏蔽鼠标右键、Ctrl+N、Shift+F10、Alt+F4、F11、F5刷新、退格键</title>
</head>
<body>
<script language="Javascript"><!--
  //屏蔽鼠标右键、Ctrl+N、Shift+F10、F11、F5刷新、退格键
  //Author: meizz(梅花雨) 2002-6-18
functiondocument.oncontextmenu(){event.returnValue=http://www.mamicode.com/false;}//屏蔽鼠标右键
functionwindow.onhelp(){returnfalse} //屏蔽F1帮助
functiondocument.onkeydown()
{
  if((window.event.altKey)&&
      ((window.event.keyCode==37)||   //屏蔽Alt+ 方向键 ←
       (window.event.keyCode==39)))   //屏蔽Alt+ 方向键 →
   {
     alert("不准你使用ALT+方向键前进或后退网页！");
     event.returnValue=http://www.mamicode.com/false;
   }
     
  if((event.keyCode==8)  ||                 //屏蔽退格删除键
      (event.keyCode==116)||                 //屏蔽F5 刷新键
      (event.ctrlKey &&event.keyCode==82)){ //Ctrl +R
     event.keyCode=0;
     event.returnValue=http://www.mamicode.com/false;
     }
  if(event.keyCode==122){event.keyCode=0;event.returnValue=http://www.mamicode.com/false;}  //屏蔽F11
  if (event.ctrlKey&& event.keyCode==78)event.returnValue=http://www.mamicode.com/false;   //屏蔽Ctrl+n
  if (event.shiftKey&&event.keyCode==121)event.returnValue=http://www.mamicode.com/false;  //屏蔽shift+F10
  if (window.event.srcElement.tagName =="A"&& window.event.shiftKey)
      window.event.returnValue = http://www.mamicode.com/false;             //屏蔽shift 加鼠标左键新开一网页
  if((window.event.altKey)&&(window.event.keyCode==115))             //屏蔽Alt+F4
   {
      window.showModelessDialog("about:blank","","dialogWidth:1px;dialogheight:1px");
      returnfalse;
   }
}
</script>
屏蔽鼠标右键、Ctrl+N、Shift+F10、Alt+F4、F11、F5刷新、退格键
</body>
</html>

//屏蔽打印
<style>
@media print{
* {display:none}
}
</style>

//移动的图层，拖动

1.<spanstyle=‘position:absolute;width:200;height:200;background:red‘onmousedown=MouseDown(this)onmousemove=MouseMove()onmouseup=MouseUp()>meizz</span>
<script language=javascript>
var Obj;
function MouseDown(obj)
{
   Obj=obj;
   Obj.setCapture();
  Obj.l=event.x-Obj.style.pixelLeft;
  Obj.t=event.y-Obj.style.pixelTop;
}
function MouseMove()
{
  if(Obj!=null)
   {
    Obj.style.left = event.x-Obj.l;
    Obj.style.top = event.y-Obj.t;
   }
}
function MouseUp()
{
  if(Obj!=null)
   {
    Obj.releaseCapture();
    Obj=null;
   }
}
</script>
2.
<div id="myDiv"src=http://www.mamicode.com/"logo.gif"ondrag="doDrag();"onmouseover="this.style.cursor=‘hand‘"style="position:absolute;left=100;top=100;"onmousedown="doMouseDown();">
<a href=http://www.mamicode.com/"#"onclick="returnfalse"><h1>wlecome</h1></a>
</div>
<script language="JavaScript" type="text/javascript">
var orgMouseX;
var orgMouseY;
var orgObjX;
var orgObjY;
function doDrag()
{
varmyObject=document.all.myDiv;

var x=event.clientX;
var y=event.clientY;
myObject.style.left=x-(orgMouseX-orgObjX);
myObject.style.top=y-(orgMouseY-orgObjY);

}
function doMouseDown()
{
orgMouseX=event.clientX;
orgMouseY=event.clientY;
orgObjX=parseInt(document.all.myDiv.style.left);
orgObjY=parseInt(document.all.myDiv.style.top);
}

</script>

//文档状态改变

<iframesrc=http://www.mamicode.com/"a.html" id="f" name="f" scrolling="no" frameborder=0 marginwidth=0marginheight=0></iframe>
<script>
vardoc=window.frames["f"].document;
function s(){
if(doc.readyState=="complete"){
  document.all.f.style.height=doc.body.scrollHeight
  document.all.f.style.width=doc.body.scrollWidth
}
}
doc.onreadystatechange=s
</script>

//刷新后不变的文本框

 

//访问剪贴板

 

//操作COOKIE

function SetCookie(sName, sValue)
{
document.cookie = sName + "=" +escape(sValue) + "; ";
}
function GetCookie(sName)
{
var aCookie =document.cookie.split(";");
for (var i=0; i< aCookie.length; i++)
{
  
  var aCrumb = aCookie[i].split("=");
  if (sName == aCrumb[0])
  return (aCrumb[1]);
}

}
function DelCookie(sName)
{
document.cookie = sName + "=" +escape(sValue) + "; expires=Fri, 31Dec 1999 23:59:59 GMT;";
}

//setTimeout增加参数

<script>
var _st =window.setTimeout;
window.setTimeout = function(fRef, mDelay) {
if(typeof fRef == ‘function‘){
  var argu = Array.prototype.slice.call(arguments,2);
  var f = (function(){ fRef.apply(null, argu); });
  return _st(f, mDelay);
}
return _st(fRef,mDelay);
}
function test(x){
alert(x);
}
window.setTimeout(test,1000,‘fason‘);
</script>


//自定义的apply,call

Function.prototype.apply = function (obj, argu) {
if (obj)obj.constructor.prototype._caller = this;
var argus = new Array();
for (vari=0;i<argu.length;i++)
   argus[i] = "argu[" + i + "]";
var r;
eval_r("r = " + (obj ?("obj._caller(" +argus.join(",") + ");") : ("this(" + argus.join(",") + ");")));
return r;
};
Function.prototype.call = function (obj) {
var argu = new Array();
for (vari=1;i<arguments.length;i++)
   argu[i-1] =arguments[i];
return this.apply(obj, argu);
};       


//下载文件

functionDownURL(strRemoteURL,strLocalURL)
{
try
{
  var xmlHTTP=new ActiveXObject("Microsoft.XMLHTTP");
   xmlHTTP.open("Get",strRemoteURL,false);
   xmlHTTP.send();
  var adodbStream=new ActiveXObject("ADODB.Stream");
  adodbStream.Type=1;//1=adTypeBinary
   adodbStream.Open();
  adodbStream.write(xmlHTTP.responseBody);
  adodbStream.SaveToFile(strLocalURL,2);
   adodbStream.Close();
   adodbStream=null;
   xmlHTTP=null;
  
}
catch(e)
{
   window.confirm("下载URL出错!");
}
//window.confirm("下载完成.");
}


//检验连接是否有效

 

//组件是否安装
isComponentInstalled("{6B053A4B-A7EC-4D3D-4567-B8FF8A1A5739}","componentID"))

//检查网页是否存在

function CheckURL(URL)
{
  var xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
   xmlhttp.Open("GET",URL, false);
   try
   {
    xmlhttp.Send();
    varresult = xmlhttp.status;
   }
  catch(e) {return(false); }
  if(result==200)
   {
    returntrue;
   }
   xmlhttp = null;
  return false;
}

//连接数据库

<scriptlanguage="javascript">
  //用 JavaScript 写服务器端连接数据库的代码示例
  var conn = new ActiveXObject("ADODB.Connection");
   conn.Open("Provider=SQLOLEDB.1; Data Source=localhost; UserID=sa; "
    +"Password=; InitialCatalog=pubs");
  var rs = new ActiveXObject("ADODB.Recordset");
  var sql="select * from authors";
   rs.open(sql, conn);
shtml = "<tablewidth=‘100%‘ border=1>";
shtml +="<trbgcolor=‘#f4f4f4‘><td>au_id</td><td>au_lname</td><td>au_fname</td><td>phone</td><td>address</td><td>city</td><td>state</td><td>zip</td></tr>";
  while(!rs.EOF)
   {
shtml += "<tr><td>"+ rs("au_id") + "</td><td>"+ rs("au_lname") + "</td><td>"+ rs("au_fname") + "</td><td>"+ rs("phone") + "</td><td>"+ rs("address") + "</td><td>"+ rs("city") + "</td><td>"+ rs("state") + "</td><td>"+ rs("zip") + "</td></tr>";
rs.moveNext;
   }
   shtml += "</table>";
   document.write(shtml);
   rs.close();
   rs = null;
   conn.close();
   conn = null;
</script>

//使用数据岛

 

 

<html>
<body>
srno：<input type=text datasrc=http://www.mamicode.com/#xmldate DataFLD=srno"color: #ff00ff;">"76"><BR>
times：<input type=text datasrc=http://www.mamicode.com/#xmldate"color: #ff00ff;">"76"><BR>
<input id="first" TYPE=button value=http://www.mamicode.com/"<<　第一条记录"onclick="xmldate.recordset.moveFirst()">
<input id="prev"TYPE=button value=http://www.mamicode.com/"<上一条记录"onclick="xmldate.recordset.movePrevious()">  
<input id="next"TYPE=button value=http://www.mamicode.com/"下一条记录>"onclick="xmldate.recordset.moveNext()">  
<input id="last"TYPE=button value=http://www.mamicode.com/"最后一条记录>>"onclick="xmldate.recordset.moveLast()">   
<input id="Add"TYPE=button value=http://www.mamicode.com/"添加新记录"onclick="xmldate.recordset.addNew()">  

<XML ID="xmldate">
<infolist>
<info><srno>20041025-01</srno><times>null</times></info>
<info><srno>20041101-09</srno><times>2004年10月1日2点22分0秒</times></info>
</infolist>
</XML>
</body>
</html>

//获得参数

 

 

<body>
<a href=http://www.mamicode.com/"javascript:location.href=http://www.mamicode.com/location.href +">search</a>
<script language="JavaScript">
<!--
var a =location.search.substr(1);
if(a.length>0)
{
var re =/([^&]*?)/=([^&]*)/g
var s = a.match(re);
for(var i=0;i<s.length;i++)
{
   alert(s[i]);
   alert(s[i].split("=")[1]);
}
}
//-->
</script>
</body>

//可编辑SELECT

 

 

<input type=text name=re_name style="width:100px;height:21px;font-size:10pt;"><spanstyle="width:18px;border:0px solidred;"><selectname="r00" style="margin-left:-100px;width:118px;background-color:#FFEEEE;" onChange="document.all.re_name.value=http://www.mamicode.com/this.value;">
                <option value=http://www.mamicode.com/"1">11111111<option>
                <option value=http://www.mamicode.com/"2">222222</option>
                <option value=http://www.mamicode.com/"3">333333</option>
              </select>
              </span>

//设置光标位置

function getCaret(textbox)
{
var

 

function getXML(URL)
{
var xmlhttp = new ActiveXObject("microsoft.xmlhttp");
xmlhttp.Open("GET",URL,false);
try
{
   xmlhttp.Send();
}
catch(e){}
finally
{
  var result = xmlhttp.responseText;
  if(result)
   {
   if(xmlhttp.Status==200)
    {
    return(true);
    }
   else
    {
    return(false);
    }
   }
  else
   {
   return(false);
   }
}
}

//POST代替FORM

 

 

<SCRIPT language="VBScript">
Function URLEncoding(vstrIn)
    strReturn = ""
    For i = 1 To Len(vstrIn)
        ThisChr = Mid(vStrIn,i,1)
        If Abs(Asc(ThisChr)) < &HFFThen
            strReturn = strReturn & ThisChr
        Else
            innerCode = Asc(ThisChr)
            If innerCode < 0 Then
                innerCode = innerCode + &H10000
            End If
            Hight8 = (innerCode   And&HFF00)/ &HFF
            Low8 = innerCode And &HFF
            strReturn = strReturn & "%" & Hex(Hight8)&  "%" & Hex(Low8)
        End If
    Next
    URLEncoding = strReturn
End Function
Function bytes2BSTR(vIn)
    strReturn = ""
    For i = 1 To LenB(vIn)
        ThisCharCode = AscB(MidB(vIn,i,1))
        If ThisCharCode < &H80 Then
            strReturn = strReturn & Chr(ThisCharCode)
        Else
            NextCharCode = AscB(MidB(vIn,i+1,1))
            strReturn = strReturn & Chr(CLng(ThisCharCode) *&H100 + CInt(NextCharCode))
            i = i + 1
        End If
    Next
    bytes2BSTR = strReturn
End Function
dim strA,oReq
strA = URLEncoding("submit1=Submit&text1=中文")
set oReq = CreateObject("MSXML2.XMLHTTP")
oReq.open "POST","http://ServerName/VDir/TstResult.asp",false
oReq.setRequestHeader "Content-Length",Len(strA)
oReq.setRequestHeader "CONTENT-TYPE","application/x-www-form-urlencoded"
oReq.send strA
msgbox bytes2BSTR(oReq.responseBody)
</SCRIPT>

//readyState是xmlhttp返回数据的进度，0=载入中,1=未初始化,2=已载入,3=运行中,4=完成

 

(1)拖拽访问
event.dataTransfer.setData("URL", oImage.src);
sImageURL = event.dataTransfer.getData("URL")
(2)普通访问
window.clipboardData.setData("Text",oSource.innerText);
window.clipboardData.getData("Text");

 

<HTML>
<HEAD>
<META NAME="save" CONTENT="history">
<STYLE>
    .sHistory{behavior:url(#default#savehistory);}
</STYLE>
</HEAD>
<BODY>
<INPUT class="sHistory" type=textid=oPersistInput>
</BODY>
</HTML>

 

functionmodelessAlert(Msg)
{
   window.showModelessDialog("javascript:alert(/""+escape(Msg)+"/");window.close();","","status:no;resizable:no;help:no;dialogHeight:height:30px;dialogHeight:40px;");
}

JavaScript事件大全3


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