我可以将自动滚动添加到固定高度的单个表格:
function scrollDiv_init() {
DivElmnt = document.getElementById('tableDiv');
ReachedMaxScroll = false;
DivElmnt.scrollTop = 0;
PreviousScrollTop = 0;
ScrollInterval = setInterval('scrollDiv()', ScrollRate);
}
function scrollDiv() {
if (!ReachedMaxScroll) {
DivElmnt.scrollTop = PreviousScrollTop;
PreviousScrollTop++;
ReachedMaxScroll = DivElmnt.scrollTop >= (DivElmnt.scrollHeight - DivElmnt.offsetHeight);
}
else {
ReachedMaxScroll = (DivElmnt.scrollTop == 0)?false:true;
DivElmnt.scrollTop = PreviousScrollTop;
PreviousScrollTop--;
}
}
但是,我在屏幕上有多个在运行时生成的表。如果表体超过固定大小,其中一些需要自动滚动。 我可以通过引用表的 id 来实现一个表中的自动滚动,但我不确定在多个表的情况下如何实现这一点。
https://codepen.io/shubh2gupta/pen/WzdXpj这里有几张固定高度的 table 。表 1 启用了自动滚动,但我不确定如何使其也适用于其他表。我希望它们在数据溢出时自动滚动。
function scrollDiv_init() {
DivElmnt = document.getElementById('tableDiv');
ReachedMaxScroll = false;
DivElmnt.scrollTop = 0;
PreviousScrollTop = 0;
ScrollRate =100;
ScrollInterval = setInterval('scrollDiv()', ScrollRate);
}
function scrollDiv() {
if (!ReachedMaxScroll) {
DivElmnt.scrollTop = PreviousScrollTop;
PreviousScrollTop++;
ReachedMaxScroll = DivElmnt.scrollTop >= (DivElmnt.scrollHeight - DivElmnt.offsetHeight);
}
else {
ReachedMaxScroll = (DivElmnt.scrollTop == 0)?false:true;
DivElmnt.scrollTop = PreviousScrollTop;
PreviousScrollTop--;
}
}
.scrollable{
height:150px;
width:200px;
overflow-y:auto;
}
.inlineT{
outline: 1px solid blue;
display: inline-block;
}
<body onload="scrollDiv_init()">
<div id="bodyDiv">
<div id = "tableDiv" class="scrollable inlineT">
<strong>Table1</strong>
<table>
<tbody>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
</tbody>
</table>
</div>
<div id = "tableDiv" class="scrollable inlineT">
<strong>Table2</strong>
<table>
<tbody>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
</tbody>
</table>
</div>
<div id = "tableDiv" class="scrollable inlineT">
<strong>Table3</strong>
<table>
<tbody>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
</tbody>
</table>
</div>
<div id = "tableDiv" class="scrollable inlineT">
<strong>Table4</strong>
<table>
<tbody>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
</tbody>
</table>
</div>
<div id = "tableDiv" class="scrollable inlineT">
<strong>Table5</strong>
<table>
<tbody>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
</tbody>
</table>
</div>
<div id = "tableDiv" class="scrollable inlineT">
<strong>Table6</strong>
<table>
<tbody>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
</tbody>
</table>
</div>
<div id = "tableDiv" class="scrollable inlineT">
<strong>Table7</strong>
<table>
<tbody>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
</tbody>
</table>
</div>
<div id = "tableDiv" class="scrollable inlineT">
<strong>Table8</strong>
<table>
<tbody>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
</tbody>
</table>
</div>
</div>
</body>
最佳答案
我已经将您的大部分代码放入了名为 scrollly
的对象中。然后为包含类 '.tableDiv'
的每个元素创建一个实例,并调用 scrollly
函数 scrollInterval()
希望有帮助。
var scrolly = function(element){
this.element = element
this.reachedMaxScroll = false;
this.scrollTop = 0;
this.previousScrollTop = 0;
this.scrollRate =100;
this.scrollInterval = function(){
setInterval(
(function(){
this.scrollDiv()
}).bind(this),
this.scrollRate
)
};
this.scrollDiv = function(){
if (!this.reachedMaxScroll) {
this.element.scrollTop = this.previousScrollTop;
this.previousScrollTop++;
this.reachedMaxScroll = this.element.scrollTop >= (this.element.scrollHeight - this.element.offsetHeight);
} else {
this.reachedMaxScroll = (this.element.scrollTop == 0)?false:true;
this.element.scrollTop = this.previousScrollTop;
this.previousScrollTop--;
}
};
};
var divElements = document.querySelectorAll('.tableDiv');
divElements.forEach(function(element){
new scrolly(element).scrollInterval();
});
.scrollable{
height:150px;
width:200px;
overflow-y:auto;
}
.inlineT{
outline: 1px solid blue;
display: inline-block;
}
<div id="bodyDiv">
<div class="tableDiv scrollable inlineT">
<strong>Table1</strong>
<table>
<tbody>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
</tbody>
</table>
</div>
<div class="tableDiv scrollable inlineT">
<strong>Table2</strong>
<table>
<tbody>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
</tbody>
</table>
</div>
<div class="tableDiv scrollable inlineT">
<strong>Table3</strong>
<table>
<tbody>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
</tbody>
</table>
</div>
<div class="tableDiv scrollable inlineT">
<strong>Table4</strong>
<table>
<tbody>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
</tbody>
</table>
</div>
<div class="tableDiv scrollable inlineT">
<strong>Table5</strong>
<table>
<tbody>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
</tbody>
</table>
</div>
<div class="tableDiv scrollable inlineT">
<strong>Table6</strong>
<table>
<tbody>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
</tbody>
</table>
</div>
<div class="tableDiv scrollable inlineT">
<strong>Table7</strong>
<table>
<tbody>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
</tbody>
</table>
</div>
<div class="tableDiv scrollable inlineT">
<strong>Table8</strong>
<table>
<tbody>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
<tr><td >NAME </td><td>TYPE </td><td>QUANT</td></tr>
</tbody>
</table>
</div>
</div>
关于javascript - 在多个固定高度的表格中自动滚动,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/49527900/