mysql 如何将金额转换为汉字大写
时间: 2023-11-07 18:04:53 浏览: 130
您可以使用MySQL中的自定义函数来将金额转换为汉字大写。以下是一个示例的MySQL函数,可以实现将金额转换为汉字大写的功能:
```sql
DELIMITER $$
CREATE FUNCTION num_to_rmb(IN num DECIMAL(18, 2)) RETURNS VARCHAR(255)
BEGIN
DECLARE result VARCHAR(255);
DECLARE integer_part INT;
DECLARE decimal_part INT;
DECLARE temp VARCHAR(255);
SET result = '';
SET integer_part = FLOOR(num);
SET decimal_part = ROUND((num - integer_part) * 100);
IF integer_part = 0 THEN
SET result = '零元';
ELSE
SET temp = '';
IF integer_part >= 100000000 THEN
SET temp = CONCAT(temp, num_to_rmb(FLOOR(integer_part / 100000000)), '亿');
SET integer_part = integer_part % 100000000;
END IF;
IF integer_part >= 10000 THEN
SET temp = CONCAT(temp, num_to_rmb(FLOOR(integer_part / 10000)), '万');
SET integer_part = integer_part % 10000;
END IF;
IF integer_part >= 1000 THEN
SET temp = CONCAT(temp, num_to_rmb(FLOOR(integer_part / 1000)), '仟');
SET integer_part = integer_part % 1000;
END IF;
IF integer_part >= 100 THEN
SET temp = CONCAT(temp, num_to_rmb(FLOOR(integer_part / 100)), '佰');
SET integer_part = integer_part % 100;
END IF;
IF integer_part >= 10 THEN
SET temp = CONCAT(temp, num_to_rmb(FLOOR(integer_part / 10)), '拾');
SET integer_part = integer_part % 10;
END IF;
IF integer_part > 0 THEN
SET temp = CONCAT(temp, num_to_rmb(integer_part));
END IF;
SET result = CONCAT(temp, '元');
END IF;
IF decimal_part = 0 THEN
SET result = CONCAT(result, '整');
ELSE
IF decimal_part >= 10 THEN
SET result = CONCAT(result, num_to_rmb(FLOOR(decimal_part / 10)), '角');
SET decimal_part = decimal_part % 10;
END IF;
IF decimal_part > 0 THEN
SET result = CONCAT(result, num_to_rmb(decimal_part), '分');
END IF;
END IF;
RETURN result;
END$$
DELIMITER ;
```
创建完上述函数后,您可以使用以下方式将金额转换为汉字大写:
```sql
SELECT num_to_rmb(12345.67) AS rmb_amount;
```
该查询将返回"壹万贰仟叁佰肆拾伍元陆角柒分",表示金额为12345.67的汉字大写形式。
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