1,可转换万亿以内的人民币金额数字 2,可转换到小数点后2位,精确到分,后面直接舍去,没做四舍五入 3,本程序未作完整字符过滤,请勿尝试无关字符 4,输入的金额可以带逗号比如123,456,000 也可以不带逗号-1, can be converted trillion yuan less than the amount of number 2, can be converted to decimal 2, accurate to the point, followed by dir