1、调用如下: //删除监听不然会造成死循环模式 transfer_amount_et.removeTextChangedListener(this) amount = transfer_amount_et.text.toString().trim() nsfer_amount_et.setText(NumberUtil.toFloat(amount)) transfer_amount_et.setSelection(transfer_amount_et.text.toString().length) //完成输入金额继续添加监听事件 transfer_amount_et.addTextChangedListener(this) object NumberUtil { /** * 除法 */ fun div(a1: Double, b1: Double, scale: Int): Double { val a2 = BigDecimal(a1.toString()) val b2 = BigDecimal(b1.toString()) return a2.divide(b2, scale, BigDecimal.ROUND_HALF_UP).toDouble() } /** * TODO 除法运算,保留小数 * * @param denominator 被除数 分母 * @param numerator 除数 分子 * @return 商 */ fun toFloat(denominator: String): String { if (NumberUtil.isNumeric(denominator)) { return (denominator.toDouble() / 100).toString() } else { return getMoneyString(denominator).toString() } } /** *从右向左输入的金额
09-24
5373
