element input=number 限制输入长度,输入数字的大小和禁止输入e

 <el-input type="number"
     v-model="form.seq"
     :disabled="formEdit"
      oninput="if(value>127)value=127"
      onkeypress='return( /[\d]/.test(String.fromCharCode(event.keyCode)))'
      placeholder="请输入排序">
</el-input>

οninput="if(value>127)value=127" //限制输入的大小

οnkeypress='return( /[\d]/.test(String.fromCharCode(event.keyCode)))' //限制输入e

οninput="if(value.length>11)value=value.slice(0,11)"  //限制输入长度