表格拖動滾動條標題固定程式碼例項

antzone發表於2017-03-03

如果表格中資料很多的時候，但是頁面的空間又是有限的，這個時候就需要利用滾動條，但是當拖動滾動條的時候，我們往往希望標題是固定的，特別是表格的列比較多的時候更是如此，本章節就分享一段這樣的例項程式碼。

程式碼如下:

[HTML] 純文字檢視 複製程式碼
<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8"/>
<meta name="author" content="http://www.softwhy.com/" />
<title>螞蟻部落</title>
<style type="text/css">
@charset "UTF-8";
body {
  font-family:'微軟雅黑', Arial, sans-serif;
  font-size:13px;
  font-style:normal;
  font-weight:normal;
  line-height:21px;
}
table {
  border:solid 1px #D5D5D5;
  border-collapse:collapse;
  width:100%;
}
table td {
  border:1px solid #D5D5D5;
  font-size:12px;
  padding:7px 5px;
}
table th {
  background-color:#EEE;
  border-right:1px solid #D5D5D5;
  font-size:13.5px;
  line-height:120%;
  font-weight:bold;
  padding:8px 5px;
  text-align:left;
}
.ui-resizable{position:relative;}
.ui-resizable-handle {
  display:block;
  font-size:0.1px;
  position:absolute;
  z-index:99999;
}
.ui-resizable-s {
  border-top:1px solid #CCCCCC;
  bottom:-5px;
  cursor:s-resize;
  height:14px;
  left:0;
  width:100%;
}
</style>
<script type="text/javascript" src="mytest/jQuery/jquery-1.8.3.js"></script>
<script type="text/javascript">
(function($){
  $.chromatable={
    defaults:{
      width: "900px", 
      height: "300px",
      scrolling: "yes" 
    } 
  };
  $.fn.chromatable = function(options){
    var options = $.extend({}, $.chromatable.defaults, options);
    return this.each(function(){
      var $this = $(this);
      var $uniqueID = $(this).attr("ID") + ("wrapper");
      $(this).css('width', options.width).addClass("_scrolling");
      $(this).wrap('<div class="scrolling_outer"><div id="'+$uniqueID+'" class="scrolling_inner"></div></div>');
      $(".scrolling_outer").css({'position':'relative'});
      $("#"+$uniqueID).css({
        'border':'1px solid #CCCCCC',
        'overflow-x':'hidden',
        'overflow-y':'auto',
        'padding-right':'17px'      
      });
      $("#"+$uniqueID).css('height', options.height);
      $("#"+$uniqueID).css('width', options.width);
      $(this).before($(this).clone().attr("id", "").addClass("_thead").css({
        'width' : 'auto',
        'display' : 'block', 
        'position':'absolute', 
        'border':'none', 
        'border-bottom':'1px solid #CCC',
        'top':'1px'
      }));
      $('._thead').children('tbody').remove();
      $(this).each(function( $this ){
        if(options.width == "100%" || options.width == "auto") 
        {
          $("#"+$uniqueID).css({'padding-right':'0px'});
        }
        if (options.scrolling == "no") 
        {
          $("#"+$uniqueID).before('<a href="#" class="expander" style="width:100%;">Expand table</a>');
          $("#"+$uniqueID).css({'padding-right':'0px'});
          $(".expander").each(function(int){
            $(this).attr("ID", int);
            $( this ).bind ("click",function(){
            $("#"+$uniqueID).css({'height':'auto'});
            $("#"+$uniqueID+" ._thead").remove();
            $(this).remove();
          });
        });
        $("#"+$uniqueID).resizable({ handles: 's' }).css("overflow-y", "hidden");
      }
    });
    $curr = $this.prev();
    $("thead:eq(0)>tr th",this).each(function(i){
      $("thead:eq(0)>tr th:eq("+i+")", $curr).width( $(this).width());
    });
    if(options.width == "100%" || "auto")
    {
      $(window).resize(function(){
       resizer($this);          
      });
    }  
  });
};
function resizer($this) {
  $curr = $this.prev();
  $("thead:eq(0)>tr th", $this).each(function (i){
    $("thead:eq(0)>tr th:eq("+i+")", $curr).width( $(this).width());
  });
  };
})(jQuery);
$(document).ready(function(){
  $("#yourTableID").chromatable({
    width: "100%",
    height: "400px",
    scrolling: "no" 
  });
  $("#yourTableID2").chromatable({
    width: "900px",
    height: "400px",
    scrolling: "yes"
  }); 
});
</script>
</head>
<body>
<table id="yourTableID2" width="100%" border="0" cellspacing="0" cellpadding="0">
  <thead>
    <tr>
      <th>名稱</th>
      <th>作者</th>
      <th>備註</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td>螞蟻部落一</td>
      <td>螞蟻部落二</td>
      <td>螞蟻部落三</td>
    </tr>
    <tr>
      <td>螞蟻部落一</td>
      <td>螞蟻部落二</td>
      <td>螞蟻部落三</td>
    </tr>
    <tr>
      <td>螞蟻部落一</td>
      <td>螞蟻部落二</td>
      <td>螞蟻部落三</td>
    </tr>
    <tr>
      <td>螞蟻部落一</td>
      <td>螞蟻部落二</td>
      <td>螞蟻部落三</td>
    </tr>
    <tr>
      <td>螞蟻部落一</td>
      <td>螞蟻部落二</td>
      <td>螞蟻部落三</td>
    </tr>
    <tr>
      <td>螞蟻部落一</td>
      <td>螞蟻部落二</td>
      <td>螞蟻部落三</td>
    </tr>
    <tr>
      <td>螞蟻部落一</td>
      <td>螞蟻部落二</td>
      <td>螞蟻部落三</td>
    </tr>
    <tr>
      <td>螞蟻部落一</td>
      <td>螞蟻部落二</td>
      <td>螞蟻部落三</td>
    </tr>
    <tr>
      <td>螞蟻部落一</td>
      <td>螞蟻部落二</td>
      <td>螞蟻部落三</td>
    </tr>
    <tr>
      <td>螞蟻部落一</td>
      <td>螞蟻部落二</td>
      <td>螞蟻部落三</td>
    </tr>
    <tr>
      <td>螞蟻部落一</td>
      <td>螞蟻部落二</td>
      <td>螞蟻部落三</td>
    </tr>
  </tbody>
</table>
</body>
</html>

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