文字字数不同首尾对齐

版权声明：正在学习中，有错误欢迎指出。感谢比❤❤~ https://blog.csdn.net/gx17864373822/article/details/82561182

 td{
      width: 7em;//最多x个字，则为 x em      
    }
    .w2{
      letter-spacing: 5em;
      /*如果需要y个字两端对齐，则为(x-y)/(y-1),这里是（7-5）/(5-1) = 5em */
      margin-right: -5em;
      /*同上*/
    }
    .w4{
      letter-spacing: 1em;
      margin-right: -1em;
    }
    .w7{
      letter-spacing: 0em;
      margin-right: -0em;
    }

<tr>
                    <td class="w7">就读或毕业学校</td>
                    <td>@if($teacher->school()->exists()){{$teacher->school()->first()->name}}@endif</td>
</tr>
<tr>
                    <td class="w7">可教授年级科目</td>
                    <td>
                      @foreach($courses as $course)
                        {{$course->rank()->first()->name}}{{$course->course()->first()->name}}、
                      @endforeach
                    </td>
</tr>
<tr>
                    <td class="w2">电话</td>
                    <td>{{$teacher->phone}}</td>
</tr>