``` <input id="c-week1" class="form-control num-input" name="row[week1]" type="number" value="{$row.week1|htmlentities}"> ``` 限制最小值 ``` <input id="c-week1" class="form-control num-input" name="row[week1]" type="number" min='1' value="{$row.week1|htmlentities}"> <script src="https://www.jq22.com/jquery/jquery-3.3.1.js"></script> <script> //输入框只能输入数字 0 正整数 $(document).on('input', '.num-input', function () { let val = $(this).val(); //只能输入数字 if(val<=0){ val = val.slice(0, 1); } $(this).val(val); }); </script> ```