参数类型-----decimal、mediumint

const amountVal = parseFloat( this.formInline.formInlineList[1].formInlineVal );
const quantityVal = parseInt( this.formInline.formInlineList[3].formInlineVal );
const lowestExpenseAmountVal = parseFloat( this.formInline.formInlineList[2].formInlineVal);

data中：
var checkNumber = (rule, value, callback) => {
      if (!value) {
        return callback(new Error("请输入优惠面值"));
      }
      if (value && value !== "") {
        let regEn = /^[+]{0,1}(\d+)$|^[+]{0,1}(\d+\.\d+)$/;
        if (!regEn.test(value)) {
          callback(new Error("请输入数字可以是小数且大于0"));
        } else {
          callback();
        }
      } else {
        callback();
      }
    };
    var checkNumber1 = (rule, value, callback) => {
      if (!value) {
        return callback(new Error("请输入发行数量"));
      }
      if (value && value !== "") {
        let regEn = /^[1-9]\d*$/;
        if (!regEn.test(value)) {
          callback(new Error("请输入数字必须是整数且大于0"));
        } else {
          // callback();
          if (value > 999) {
            callback(new Error("超出999限制"));
          } else {
            callback();
          }
        }
      } else {
        callback();
      }
    };