资讯详情

鼠标框选多选框

<html> <head> <SCRIPT language=JavaScript> /*-------------------------------------------- 本程序为鼠标框选择 多选框 辅助 帮手,还有不足. 1. 多选框不能单独放置body标签中. 2. 使用名称为多选框ck 自然数, 如ck1. 3. 先这么多吧,可能还有...        制片人:八神奄奄一息 QQ:13730452 --------------------------------------------*/ var x0; var y0; var selectenable=0;  function initChkBox(obj){ var coll=document.forms["form1"].tags("input");     for (i=0;i<coll.length;i  ){      if (coll.item(i).name.substr(0,2)=="ck") {    var offsetTop = 0;    var offsetLeft = 0;    var objP = coll.item(i);    while (objP.tagName!="BODY" && objP){     offsetTop  = objP.offsetTop;     offsetLeft  = objP.offsetLeft;     objPobjP = objP.offsetParent;    }    coll.item(i).X=offsetLeft 10;    coll.item(i).Y=offsetTop 10;    //alert(coll.item(i).X "," coll.item(i).Y "," coll.item(i).offsetHeight);   }  } }  function initselect() {        if (window.event.srcElement.tagName=="BODY") {         window.event.returnValue = true;         return;        }              x0=document.body.scrollLeft event.clientX;      y0=document.body.scrollTop event.clientY;   selectarea.setCapture();      selectenable=1; } function startselect() {     if (selectenable==1) {         selectarea.style.visibility='visible';            if(document.body.scrollLeft event.clientX-x0>0) {       selectarea.style.left=x0;       selectarea.style.width=document.body.scrollLeft event.clientX-x0;     }         else{       selectarea.style.left=document.body.scrollLeft event.clientX;       selectarea.style.width=x0-(document.body.scrollLeft event.clientX);      }         if (document.body.scrollTop event.clientY-y0>0) {      selectarea.style.top=y0;       selectarea.style.height=document.body.scrollTop event.clientY-y0;      }        else{      selectarea.style.top=document.body.scrollTop event.clientY;      selectarea.style.height=y0-(document.body.scrollTop event.clientY);      }  }     window.event.returnValue = true; }  function endselect() {  if (selectenable==0) return false;     selectenable=0;  selectarea.style.visibility='hidden';  selectarea.releaseCapture();   document.οnmοusemοve=null;  var coll=document.forms["form1"].tags("input");     for (i=0;i<coll.length;i  ){      if (coll.item(i).name.substr(0,2)=="ck") { /*   if (((coll.item(i).X>selectarea.offsetLeft) && (coll.item(i).X<selectarea.offsetLeft selectarea.offsetWidth)) && ((coll.item(i).Y>selectarea.offsetTop) && (coll.item(i).Y<selectarea.offsetTop selectarea.offsetHeight))){      coll.item(i).checked=!coll.item(i).checked;} */         if (coll.item(i).X>selectarea.offsetLeft)     if (coll.item(i).X<selectarea.offsetLeft selectarea.offsetWidth)        if (coll.item(i).Y>selectarea.offsetTop)       if (coll.item(i).Y<selectarea.offsetTop selectarea.offsetHeight)        coll.item(i).checked=!coll.item(i).checked   }  }   selectarea.style.pixelHeight=0;  selectarea.style.pixelWidth=0; }  /*function hideselect() {     //if (document.body.scrollLeft event.clientX==x0  &&  document.body.scrollTop event.clientY==y0  &&  event.srcElement!=selectarea)     selectarea.style.visibility='hidden'; }*/ function checkAll(){   document.form1.allsel.checked=false;   var coll=document.forms["form1"].tags("input");     for (i=0;i<coll.length;i  ){      if (coll.item(i).name.substr(0,2)=="ck") {        coll.item(i).checked=false;    }   } } function change(v){   var f = document.forms["form1"];   for (i=0;i<f.elements.length;i  )     if (f.elements[i].name.substr(0,2)=="ck") f.elements[i].checked = v; }  </SCRIPT>  <script language="JavaScript" type="text/JavaScript"> <!-- function MM_reloadPage(init) {  //reloads the window if Nav4 resized   if (init==true) with (navigator) {if ((appName=="Netscape") && (parseInt(appVersion)==4)) {     document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; οnresize=MM_reloadPage; }}   else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload(); } MM_reloadPage(true); //--> </script> <title>鼠标框多选框</title> </head> <body οnmοusedοwn="initselect()" οnmοusemοve=startselect() οnmοuseup=endselect() onselectstart="return false;" onLoad=initChkBox()> <table width="100%" height="100%" cellpadding="0" cellspacing="0" bgcolor="efefef"> <tr><td>   <DIV id=selectarea style="border:1px dashed black;HEIGHT: 42px; LEFT: 0px; POSITION: absolute; TOP: 0px; VISIBILITY: hidden; WIDTH: 67px; Z-INDEX: 10">      <img src="null" height="1" width="1" οnclick="javascript:window.open(this.src);" style="CURSOR: pointer" οnlοad="return imgzoom(this,550)"> </DIV>   <div id="Layer1" style="position:absolute; left:256px; top:39px; width:203px; height:401px; z-index:1">      <form name="form1" action="">       <tablewidth="100%" border="0" cellpadding="0" cellspacing="1" bgcolor="#339999">
        <tr bgcolor="#FFFFFF"> 
          <td width="13%"><input type="checkbox" name="ck1" value="checkbox"></td>
          <td width="87%"> </td>
        </tr>
        <tr bgcolor="#FFFFFF"> 
          <td><input type="checkbox" name="ck2" value="checkbox"></td>
          <td> </td>
        </tr>
        <tr bgcolor="#FFFFFF"> 
          <td><input type="checkbox" name="ck3" value="checkbox"></td>
          <td> </td>
        </tr>
        <tr bgcolor="#FFFFFF"> 
          <td><input type="checkbox" name="ck4" value="checkbox"></td>
          <td> </td>
        </tr>
        <tr bgcolor="#FFFFFF"> 
          <td><input type="checkbox" name="ck5" value="checkbox"></td>
          <td> </td>
        </tr>
        <tr bgcolor="#FFFFFF"> 
          <td><input type="checkbox" name="ck6" value="checkbox"></td>
          <td> </td>
        </tr>
        <tr bgcolor="#FFFFFF"> 
          <td><input type="checkbox" name="ck7" value="checkbox"></td>
          <td> </td>
        </tr>
        <tr bgcolor="#FFFFFF"> 
          <td><input type="checkbox" name="ck8" value="checkbox"></td>
          <td> </td>
        </tr>
        <tr bgcolor="#FFFFFF"> 
          <td><input type="checkbox" name="ck9" value="checkbox"></td>
          <td> </td>
        </tr>
        <tr bgcolor="#FFFFFF"> 
          <td><input type="checkbox" name="ck10" value="checkbox"></td>
          <td> </td>
        </tr>
        <tr bgcolor="#FFFFFF"> 
          <td><input type="checkbox" name="ck11" value="checkbox"></td>
          <td> </td>
        </tr>
        <tr bgcolor="#FFFFFF"> 
          <td><input type="checkbox" name="ck12" value="checkbox"></td>
          <td> </td>
        </tr>
        <tr bgcolor="#FFFFFF"> 
          <td><input type="checkbox" name="ck13" value="checkbox"></td>
          <td> </td>
        </tr>
        <tr bgcolor="#FFFFFF"> 
          <td><input type="checkbox" name="ck14" value="checkbox"></td>
          <td> </td>
        </tr>
        <tr bgcolor="#FFFFFF"> 
          <td><input type="checkbox" name="ck15" value="checkbox"></td>
          <td> </td>
        </tr>
        <tr bgcolor="#FFFFFF"> 
          <td><input type="checkbox" name="ck16" value="checkbox"></td>
          <td> </td>
        </tr>
        <tr bgcolor="#FFFFFF"> 
          <td><input type="checkbox" name="ck17" value="checkbox"></td>
          <td> </td>
        </tr>
        <tr bgcolor="#FFFFFF"> 
          <td><input type="checkbox" name="ck18" value="checkbox"></td>
          <td> </td>
        </tr>
        <tr bgcolor="#FFFFFF"> 
          <td><input type="checkbox" name="ck19" value="checkbox"></td>
          <td> </td>
        </tr>
        <tr bgcolor="#FFFFFF"> 
          <td><input type="checkbox" name="ck20" value="checkbox"></td>
          <td> </td>
        </tr>
        <tr bgcolor="#FFFFFF"> 
          <td><input type="checkbox" name="ck21" value="checkbox"></td>
          <td> </td>
        </tr>
      </table>
      <input type="checkbox" name="allsel" value="checkbox" οnclick="change(this.checked)">
      <button onClick="checkAll()">清空</button>
    </form>
  </div>
</td></tr>  
</table>
</body>
</html>

 

标签: 开关三极管3ck15a

锐单商城拥有海量元器件数据手册IC替代型号,打造 电子元器件IC百科大全!

锐单商城 - 一站式电子元器件采购平台