转换人民币大小金额.doc

/// summary? ? /// 转换人民币大小金额? ? /// /summary? ? /// param name=num金额/param? ? /// returns返回大写形式/returns? ? public static string NumToCNum(decimal num)? {? string str1 = 零壹贰叁肆伍陆柒捌玖; //0-9所对应的汉字? ? string str2 = 万仟佰拾亿仟佰拾万仟佰拾元角分; //数字位所对应的汉字? ? string str3 = ; //从原num值中取出的值? ? string str4 = ; //数字的字符串形式? ? string str5 = ; //人民币大写金额形式? ? int i; //循环变量? ? int j; //num的值乘以100的字符串长度? ? string ch1 = ; //数字的汉语读法? ? string ch2 = ; //数字位的汉字读法? ? int nzero = 0; //用来计算连续的零值是几个? ? int temp; //从原num值中取出的值? ? num = Math.Round(Math.Abs(num), 2); //将num取绝对值并四舍五入取2位小数? ? str4 = ((long)(num * 100)).ToString(); //将num乘100并转换成字符串形式? ? j = str4.Length; //找出最高位? ? if (j 15) { return 溢出; }? str2 = str2.Substring(15 - j); //取出对应位数的str2的值。如：200.55,j为5所以str2=佰拾元角分? ? //循环取出每一位需要转换的值? ? for (i = 0; i j; i++)? {? str3 = str4.Substring(i, 1); //取出需转换的某一位的值? ? temp = Convert.ToInt32(str3); //转换为数字? ? if (i != (j - 3) i != (j - 7) i != (j - 11) i != (j - 15))? {? //当所取位数不为元、万、亿、万亿上的数字时? ? if (str3 == 0)? {? ch1 = ;? ch2 = ;? nzero = nzero + 1;? }? else? {? if (str3 != 0 nzero != 0)? {? ch1 = 零 + str1.Substring(temp * 1, 1);? ch2 = str2.Substring(i, 1);? nzero = 0;? }? else? {? ch1 = str1.Substring(temp * 1, 1);? ch2 = str2.Substring(i, 1);? nzero = 0;? }? }? }? else? {? //该位是万亿，亿，万，元位等关键位? ? if (str3 != 0 nzero != 0)? {? ch1 = 零 + str1.Substring(temp * 1, 1);? ch2 = str2.Substring(i, 1);? nzero = 0;? }? else? {? if (str3 != 0 nzero == 0)? {? ch1 = str1.Substring(temp * 1, 1);? ch2 = str2.Substring(i, 1);? nzero = 0;? }? else? {? if (str3 == 0 nzero = 3)? {? ch1 = ;? ch2 = ;? nzero = nzero + 1;? }? else? {? if (j = 11)? {? ch1 = ;? nzero = nzero + 1;? }? else? {? ch1 = ;? ch2 = str2.Substring(i, 1);? nzero = nzero + 1;? }? }? }? }? }? if (i == (j - 11) || i == (j - 3))? {? //如果该位是亿位或元位，则必须写上? ? ch2 = str2.Substring(i, 1);? }? str5 = str5 + ch1 + ch2;? if (i == j - 1 str3 == 0)? {? //最后