html table cell width for different rows [duplicate]

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走了就别回头了

2020-11-30 09:02

with 5 columns and colspan, this is possible (click here) (but doesn't make much sense to me):

<table width="100%" border="1" bgcolor="#ffffff">
    <colgroup>
        <col width="25%">
        <col width="25%">
        <col width="25%">
        <col width="5%">
        <col width="20%">
    </colgroup>
    <tr>
        <td>25</td>
        <td colspan="2">50</td>
        <td colspan="2">25</td>     
    </tr>
    <tr>
        <td colspan="2">50</td>
        <td colspan="2">30</td>
        <td>20</td>
    </tr>
</table>

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执笔经年

2020-11-30 09:06

As far as i know that is impossible and that makes sense since what you are trying to do is against the idea of tabular data presentation. You could however put the data in multiple tables and remove any padding and margins in between them to achieve the same result, at least visibly. Something along the lines of:

<html>

<head>
  <style type="text/css">
    .mytable {
      border-collapse: collapse;
      width: 100%;
      background-color: white;
    }
    .mytable-head {
      border: 1px solid black;
      margin-bottom: 0;
      padding-bottom: 0;
    }
    .mytable-head td {
      border: 1px solid black;
    }
    .mytable-body {
      border: 1px solid black;
      border-top: 0;
      margin-top: 0;
      padding-top: 0;
      margin-bottom: 0;
      padding-bottom: 0;
    }
    .mytable-body td {
      border: 1px solid black;
      border-top: 0;
    }
    .mytable-footer {
      border: 1px solid black;
      border-top: 0;
      margin-top: 0;
      padding-top: 0;
    }
    .mytable-footer td {
      border: 1px solid black;
      border-top: 0;
    }
  </style>
</head>

<body>
  <table class="mytable mytable-head">
    <tr>
      <td width="25%">25</td>
      <td width="50%">50</td>
      <td width="25%">25</td>
    </tr>
  </table>
  <table class="mytable mytable-body">
    <tr>
      <td width="50%">50</td>
      <td width="30%">30</td>
      <td width="20%">20</td>
    </tr>
  </table>
  <table class="mytable mytable-body">
    <tr>
      <td width="16%">16</td>
      <td width="68%">68</td>
      <td width="16%">16</td>
    </tr>
  </table>
  <table class="mytable mytable-footer">
    <tr>
      <td width="20%">20</td>
      <td width="30%">30</td>
      <td width="50%">50</td>
    </tr>
  </table>
</body>

</html>

JSFIDDLE

I don't know your requirements but i'm sure there's a more elegant solution.

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感动是毒

2020-11-30 09:08

One solution would be to divide your table into 20 columns of 5% width each, then use colspan on each real column to get the desired width, like this:

<html>
<body bgcolor="#14B3D9">
<table width="100%" border="1" bgcolor="#ffffff">
    <colgroup>
        <col width="5%"><col width="5%">
        <col width="5%"><col width="5%">
        <col width="5%"><col width="5%">
        <col width="5%"><col width="5%">
        <col width="5%"><col width="5%">
        <col width="5%"><col width="5%">
        <col width="5%"><col width="5%">
        <col width="5%"><col width="5%">
        <col width="5%"><col width="5%">
        <col width="5%"><col width="5%">
    </colgroup>
    <tr>
        <td colspan=5>25</td>
        <td colspan=10>50</td>
        <td colspan=5>25</td>
    </tr>
    <tr>
        <td colspan=10>50</td>
        <td colspan=6>30</td>
        <td colspan=4>20</td>
    </tr>
</table>
</body>
</html>

JSFIDDLE

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时光说笑

2020-11-30 09:19
You can't have cells of arbitrarily different widths, this is generally a standard behaviour of tables from any space, e.g. Excel, otherwise it's no longer a table but just a list of text.

You can however have cells span multiple columns, such as:
```
<table>
    <tr>
        <td>25</td>
        <td>50</td>
        <td>25</td>
    </tr>
    <tr>
        <td colspan="2">75</td>
        <td>20</td>
    </tr>
</table>
```
As an aside, you should avoid using style attributes like border and bgcolor and prefer CSS for those.
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