Class：EcanRMB.cs
1 using System; 2 using System.Collections.Generic; 3 using System.Linq; 4 using System.Text; 5 6 namespace Jxc.WinClient.BLL 7 { 8 public class EcanRMB 9 { 10 /// <summary> 11 /// 转换人民币大小金额 12 /// </summary> 13 /// <param name="num">金额</param> 14 /// <returns>返回大写形式</returns> 15 public string CmycurD(decimal num) 16 { 17 string str1 = "零壹贰叁肆伍陆柒捌玖"; //0-9所对应的汉字 18 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 19 string str3 = ""; //从原num值中取出的值 20 string str4 = ""; //数字的字符串形式 21 string str5 = ""; //人民币大写金额形式 22 int i; //循环变量 23 int j; //num的值乘以100的字符串长度 24 string ch1 = ""; //数字的汉语读法 25 string ch2 = ""; //数字位的汉字读法 26 int nzero = 0; //用来计算连续的零值是几个 27 int temp; //从原num值中取出的值 28 29 num = Math.Round(Math.Abs(num), 2); //将num取绝对值并四舍五入取2位小数 30 str4 = ((long)(num * 100)).ToString(); //将num乘100并转换成字符串形式 31 j = str4.Length; //找出最高位 32 if (j > 15) { return "溢出"; } 33 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 34 35 //循环取出每一位需要转换的值 36 for (i = 0; i < j; i++) 37 { 38 str3 = str4.Substring(i, 1); //取出需转换的某一位的值 39 temp = Convert.ToInt32(str3); //转换为数字 40 if (i != (j - 3) && i != (j - 7) && i != (j - 11) && i != (j - 15)) 41 { 42 //当所取位数不为元、万、亿、万亿上的数字时 43 if (str3 == "0") 44 { 45 ch1 = ""; 46 ch2 = ""; 47 nzero = nzero + 1; 48 } 49 else 50 { 51 if (str3 != "0" && nzero != 0) 52 { 53 ch1 = "零" + str1.Substring(temp * 1, 1); 54 ch2 = str2.Substring(i, 1); 55 nzero = 0; 56 } 57 else 58 { 59 ch1 = str1.Substring(temp * 1, 1); 60 ch2 = str2.Substring(i, 1); 61 nzero = 0; 62 } 63 } 64 } 65 else 66 { 67 //该位是万亿，亿，万，元位等关键位 68 if (str3 != "0" && nzero != 0) 69 { 70 ch1 = "零" + str1.Substring(temp * 1, 1); 71 ch2 = str2.Substring(i, 1); 72 nzero = 0; 73 } 74 else 75 { 76 if (str3 != "0" && nzero == 0) 77 { 78 ch1 = str1.Substring(temp * 1, 1); 79 ch2 = str2.Substring(i, 1); 80 nzero = 0; 81 } 82 else 83 { 84 if (str3 == "0" && nzero >= 3) 85 { 86 ch1 = ""; 87 ch2 = ""; 88 nzero = nzero + 1; 89 } 90 else 91 { 92 if (j >= 11) 93 { 94 ch1 = ""; 95 nzero = nzero + 1; 96 } 97 else 98 { 99 ch1 = ""; 100 ch2 = str2.Substring(i, 1); 101 nzero = nzero + 1; 102 } 103 } 104 } 105 } 106 } 107 if (i == (j - 11) || i == (j - 3)) 108 { 109 //如果该位是亿位或元位，则必须写上 110 ch2 = str2.Substring(i, 1); 111 } 112 str5 = str5 + ch1 + ch2; 113 114 if (i == j - 1 && str3 == "0") 115 { 116 //最后一位（分）为0时，加上“整” 117 str5 = str5 + '整'; 118 } 119 } 120 if (num == 0) 121 { 122 str5 = "零元整"; 123 } 124 return str5; 125 } 126 127 /**/ 128 /// <summary> 129 /// 一个重载，将字符串先转换成数字在调用CmycurD(decimal num) 130 /// </summary> 131 /// <param name="num">用户输入的金额，字符串形式未转成decimal</param> 132 /// <returns></returns> 133 public string CmycurD(string numstr) 134 { 135 try 136 { 137 decimal num = Convert.ToDecimal(numstr); 138 return CmycurD(num); 139 } 140 catch 141 { 142 return "非数字形式！"; 143 } 144 } 145 } 146 }
调用：
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1 EcanRMB rmb = new EcanRMB(); 2 string Rmb = txtAmount.Text.Replace(",", "").Replace("-",""); 3 label9.Text = rmb.CmycurD(Rmb); 4 label11.Text = Convert.ToDecimal(txtAmount.Text).ToString("###,###,###.00");