如何从一系列数据属性的元素中更改 css？

Question

我想为数据日期“2018-04-03”到数据日期“2018-04-06”之间的 table 行着色。有没有办法用 jquery 定义这个数据属性范围？现在我只知道如何分别为每一行着色：

jQuery(document).ready(function() {
  jQuery(".main-table").clone(true).appendTo('#table-scroll').addClass('clone');
});


 $("td[data-row='2'][data-date='2018-04-03']").css({ "background":"lightblue", "border-right-color":"lightblue" })
 $("td[data-row='2'][data-date='2018-04-04']").css({ "background":"lightblue", "border-right-color":"lightblue" })
$("td[data-row='2'][data-date='2018-04-05']").css({ "background":"lightblue", "border-right-color":"lightblue" })
$("td[data-row='2'][data-date='2018-04-06']").css({ "background":"lightblue" })

.table-scroll {
  position: relative;
  margin: auto;
  overflow: hidden;
}

.table-wrap {
  width: 100%;
  overflow: auto;
}

.table-scroll table {
  width: 100%;
  margin: auto;
  border-collapse: separate;
  border-spacing: 0;
}

.table-scroll th,
.table-scroll td {
  padding: 5px 10px;
  white-space: nowrap;
  vertical-align: top;
}

.clone {
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: none;
}

.clone th,
.clone td {
  visibility: hidden
}

.clone td,
.clone th {
  border-color: transparent
}

.clone tbody th {
  visibility: visible;
}

.clone .fixed-side {
  visibility: visible;
  background-color: #fff;
  font-weight: normal;
  border: none;
  border-right: 2px solid #f4f4f4;
}

.clone thead,
.clone tfoot {
  background: transparent;
}

.gantt-h {
  font-weight: normal;
  color: #b0b0b0;
  border-right: 2px solid #f4f4f4;
}

.last {
  border-right: 2px solid #f4f4f4;
}

.gantt td {
  border-right: 2px solid #f4f4f4;
}

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>

<!-- Latest compiled and minified CSS -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">

<!-- Optional theme -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap-theme.min.css">

<!-- Latest compiled and minified JavaScript -->
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>

<div id="table-scroll" class="table-scroll">
  <div class="table-wrap">
    <table class="main-table table gantt">
      <thead>
        <tr>
          <th class="fixed-side" scope="col" class="left-h" style="border-bottom:2px solid #f4f4f4;color:#b0b0b0">Task</th>

          <th scope="col" class="gantt-h" style="font-weight:normal;color:#b0b0b0;">30 Mar</th>
          <th scope="col" class="gantt-h">31 Mar</th>
          <th scope="col" class="gantt-h">01 Apr</th>
          <th scope="col" class="gantt-h">02 Apr</th>
          <th scope="col" class="gantt-h">03 Apr</th>
          <th scope="col" class="gantt-h">04 Apr</th>
          <th scope="col" class="gantt-h">05 Apr</th>
          <th scope="col" class="gantt-h">06 Apr</th>
          <th scope="col" class="gantt-h">07 Apr</th>
          <th scope="col" class="gantt-h">08 Apr</th>
          <th scope="col" class="gantt-h">09 Apr</th>
          <th scope="col" class="gantt-h">10 Apr</th>
          <th scope="col" class="gantt-h">11 Apr</th>
          <th scope="col" class="gantt-h">12 Apr</th>
          <th scope="col" class="gantt-h">13 Apr</th>
          <th scope="col" class="gantt-h">14 Apr</th>
          <th scope="col" class="gantt-h">15 Apr</th>
        </tr>
      </thead>
      <tbody>
        <tr>
          <th class="fixed-side"><i class="fa fa-folder-open-o" style="color:#9e9e9e"></i> Projekt 1</th>

          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
        </tr>
        <tr>
          <th class="fixed-side" style="padding-left:27px"><i class="fa fa-file-o" style="color:#9e9e9e"></i> blue</th>
          <td data-row="2" data-date="2018-03-30"></td>
          <td data-row="2" data-date="2018-03-31"></td>
          <td data-row="2" data-date="2018-04-01"></td>
          <td data-row="2" data-date="2018-04-02"></td>
          <td data-row="2" data-date="2018-04-03"></td>
          <td data-row="2" data-date="2018-04-04"></td>
          <td data-row="2" data-date="2018-04-05"></td>
          <td data-row="2" data-date="2018-04-06"></td>
          <td data-row="2" data-date="2018-04-07"></td>
          <td data-row="2" data-date="2018-04-08"></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
        </tr>
        <tr>
          <th class="fixed-side" style="padding-left:27px"><i class="fa fa-file-o" style="color:#9e9e9e"></i> green</th>

          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
        </tr>
        <tr>
          <th class="fixed-side" style="padding-left:27px"><i class="fa fa-file-o" style="color:#9e9e9e"></i> yellow</th>

          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
        </tr>
        <tr>
          <th class="fixed-side" style="padding-left:27px"><i class="fa fa-file-o" style="color:#9e9e9e"></i> pink</th>

          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
        </tr>
        <tr>
          <th class="fixed-side" style="padding-left:27px"><i class="fa fa-file-o" style="color:#9e9e9e"></i> orange</th>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
          <td></td>
        </tr>
      </tbody>

    </table>
  </div>
</div>

Answer 1

for 循环将帮助您完成这一步。

var dates = ['2018-04-03','2018-04-04','2018-04-05','2018-04-06'];
for(var i=0; i<dates.length; i++){
$("td[data-date='"+dates[i]+"']").css({ "background":"lightblue" })
}

Answer 2

至少，您可以将它们组合成一个选择器：

$("td[data-row='2'][data-date='2018-04-03'],td[data-row='2'][data-date='2018-04-04']")
    .css({ "background":"lightblue", "border-right-color":"lightblue" })

然后你可以用 .filter()

减少

$("td[data-row='2']").filter("[data-date='2018-04-03'],[data-date='2018-04-04']")
    .css({ "background":"lightblue", "border-right-color":"lightblue" })

鉴于范围不会固定，您可以使用循环构建选择器（以创建一个巨大的选择器字符串）或者您可以循环遍历值，例如：

var cells = $("td[data-row='2']");

var start = new Date("2018-05-28");
var end = new Date("2018-06-02");
var newend = end.setDate(end.getDate()+1);
var end = new Date(newend);
while(start < end){
    var datadate = start.toISOString().split('.')[0]+"Z";

    cells.filter("[data-date='" + datadate + "']").css({ "background":"lightblue", "border-right-color":"lightblue" })

    var newDate = start.setDate(start.getDate() + 1);
    start = new Date(newDate);
}

（循环来源：Javascript - get array of dates between 2 dates）

最后的选择是在过滤器中应用 'compare'，类似于:

var start = new Date("2018-05-28");
var end = new Date("2018-06-02");

$("td[data-row='2']").filter(function() {
    var thisdate = $(this).data("date");
    return (thisdate > start && thisdate <= end);
}).css({"background":"lightblue", "border-right-color":"lightblue"})

顺便说一句，你最好使用 class 而不是直接设置 css 属性。

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