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  • JavaScript事件大全3

    //无模式的提示框

    //屏蔽按键
    <html>
    <head>
       <meta http-equiv="Content-Type" content="text/html; charset=gb2312">
       <noscript><meta http-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
    function document.oncontextmenu(){event.returnValue=false;}//屏蔽鼠标右键
    function window.onhelp(){return false} //屏蔽F1帮助
    function document.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=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=false;
          }
      if (event.keyCode==122){event.keyCode=0;event.returnValue=false;}  //屏蔽F11
      if (event.ctrlKey && event.keyCode==78) event.returnValue=false;   //屏蔽 Ctrl+n
      if (event.shiftKey && event.keyCode==121)event.returnValue=false;  //屏蔽 shift+F10
      if (window.event.srcElement.tagName == "A" && window.event.shiftKey)
           window.event.returnValue = 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");
          return false;
       }
    }
    </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.<span style='position:absolute;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="logo.gif" ondrag="doDrag();" onmouseover="this.style.cursor='hand'" style="position:absolute;left=100;top=100;" onmousedown="doMouseDown();">
    <a href="#" onclick="return false"><h1>wlecome</h1></a>
    </div>
    <script language="JavaScript" type="text/javascript">
    var orgMouseX;
    var orgMouseY;
    var orgObjX;
    var orgObjY;
    function doDrag()
    {
    var myObject=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

    <iframe src="a.html" id="f" name="f" scrolling="no" frameborder=0 marginwidth=0 marginheight=0></iframe>
    <script>
    var doc=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, 31 Dec 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 (var i=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 (var i=1;i<arguments.length;i++)
       argu[i-1] = arguments[i];
    return this.apply(obj, argu);
    };       


    //下载文件

    function DownURL(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();
        var result = xmlhttp.status;
       }
      catch(e) {return(false); }
      if(result==200)
       {
        return true;
       }
       xmlhttp = null;
      return false;
    }

    //连接数据库

    <script language="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; User ID=sa; "
         +"Password=; Initial Catalog=pubs");
      var rs = new ActiveXObject("ADODB.Recordset");
      var sql="select * from authors";
       rs.open(sql, conn);
    shtml = "<table width='100%' border=1>";
    shtml +="<tr bgcolor='#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=#xmldate DataFLD=srno size="76"><BR>
    times：<input type=text datasrc=#xmldate DataFLD=times size="76"><BR>
    <input id="first" TYPE=button value="<<　第一条记录" onclick="xmldate.recordset.moveFirst()">
    <input id="prev" TYPE=button value="<上一条记录" onclick="xmldate.recordset.movePrevious()">  
    <input id="next" TYPE=button value="下一条记录>" onclick="xmldate.recordset.moveNext()">  
    <input id="last" TYPE=button value="最后一条记录>>" onclick="xmldate.recordset.moveLast()">   
    <input id="Add" TYPE=button value="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="javascript:location.href=location.href + '?a=1&b=2'">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="100px;height:21px;font-size:10pt;"><span style="18px;border:0px solid red;"><select name="r00" style="margin-left:-100px;118px; background-color:#FFEEEE;" onChange="document.all.re_name.value=this.value;">
                     <option value="1">11111111<option>
                     <option value="2">222222</option>
                     <option value="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)) < &HFF Then
                 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=text id=oPersistInput>
    </BODY>
    </HTML>
    function modelessAlert(Msg)
    {
        window.showModelessDialog("javascript:alert(/""+escape(Msg)+"/");window.close();","","status:no;resizable:no;help:no;dialogHeight:height:30px;dialogHeight:40px;");
    }
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  • 原文地址：https://www.cnblogs.com/tnnyang/p/4073399.html
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