1 public class UpperConvert
2 {
3 public UpperConvert()
4 {
5 //
6 // TODO: 在此处添加构造函数逻辑
7 //
8 }
9 //把数字转换为大写
10 public string numtoUpper(int num)
11 {
12 String str=num.ToString();
13 string rstr = "";
14 int n;
15 for (int i = 0; i < str.Length; i++)
16 {
17 n =Convert.ToInt16(str[i].ToString());//char转数字,转换为字符串，再转数字
18 switch (n)
19 {
20 case 0:rstr=rstr+"〇";break;
21 case 1:rstr=rstr+"一";break;
22 case 2:rstr=rstr+"二";break;
23 case 3:rstr=rstr+"三";break;
24 case 4:rstr=rstr+"四";break;
25 case 5:rstr=rstr+"五";break;
26 case 6:rstr=rstr+"六";break;
27 case 7:rstr=rstr+"七";break;
28 case 8:rstr=rstr+"八";break;
29 default:rstr=rstr+"九";break;
30
31
32 }
33
34 }
35 return rstr;
36 }
37 //月转化为大写
38 public string monthtoUpper(int month)
39 {
40 if (month < 10)
41 {
42 return numtoUpper(month);
43 }
44 else
45 if (month == 10) { return "十"; }
46
47 else
48 {
49 return "十" + numtoUpper(month - 10);
50 }
51 }
52 //日转化为大写
53 public string daytoUpper(int day)
54 {
55 if (day < 20)
56 {
57 return monthtoUpper(day);
58 }
59 else
60 {
61 String str = day.ToString();
62 if (str[1] == '0')
63 {
64 return numtoUpper(Convert.ToInt16(str[0].ToString()))+"十" ;
65
66 }
67
68
69 else
70 {
71 return numtoUpper(Convert.ToInt16(str[0].ToString())) + "十"
72 + numtoUpper(Convert.ToInt16(str[1].ToString()));
73 }
74 }
75 }
76 //日期转换为大写
77 public string dateToUpper(System.DateTime date)
78 {
79 int year = date.Year;
80 int month = date.Month;
81 int day = date.Day;
82 return numtoUpper(year) + "年" + monthtoUpper(month) + "月" + daytoUpper(day) + "日";
83
84 }
85 }
86 货币转换代码：
87 /**//// <summary>
88 /// MoneyConvert 的摘要说明
89 /// </summary>
90 public class MoneyConvert
91 {
92 public MoneyConvert()
93 {
94 //
95 // TODO: 在此处添加构造函数逻辑
96 //
97 }
98 public string GetUpper(string numstr)
99 {
100 try
101 {
102 decimal num = Convert.ToDecimal(numstr);
103 return GetUpper(num);
104 }
105 catch
106 {
107 return "非数字形式！";
108 }
109 }
110 public string GetUpper(int numint)
111 {
112 try
113 {
114 decimal num = Convert.ToDecimal(numint);
115 return GetUpper(num);
116 }
117 catch
118 {
119 return "非数字形式！";
120 }
121 }
122 /**//**/
123 /**//// <summary>
124 /// 转换人民币大小金额
125 /// </summary>
126 /// <param name="num">金额</param>
127 /// <returns>返回大写形式</returns>
128 public string GetUpper(decimal num)
129 {
130 string strUpperMum = "零壹贰叁肆伍陆柒捌玖"; //0-9所对应的汉字
131 string strNumUnit = "万仟佰拾亿仟佰拾万仟佰拾元角分"; //数字位所对应的汉字
132 string strOfNum = ""; //从原num值中取出的值
133 string strNum = ""; //数字的字符串形式
134 string strReturnUpper = ""; //人民币大写金额形式
135 int i; //循环变量
136 int sumLength; //num的值乘以100的字符串长度
137 string ch1 = ""; //数字的汉语读法
138 string ch2 = ""; //数字位的汉字读法
139 int nzero = 0; //用来计算连续的零值是几个
140 int temp; //从原num值中取出的值
141
142 num = Math.Round(Math.Abs(num), 2); //将num取绝对值并四舍五入取2位小数
143 strNum = ((long)(num * 100)).ToString(); //将num乘100并转换成字符串形式
144 sumLength = strNum.Length; //找出最高位
145 if (sumLength > 15) { return "溢出"; }
146 strNumUnit = strNumUnit.Substring(15 - sumLength); //取出对应位数的strNumUnit的值。如：200.55,sumLength为5所以strNumUnit=佰拾元角分
147
148 //循环取出每一位需要转换的值
149 for (i = 0; i < sumLength; i++)
150 {
151 strOfNum = strNum.Substring(i, 1); //取出需转换的某一位的值
152 temp = Convert.ToInt32(strOfNum); //转换为数字
153 if (i != (sumLength - 3) && i != (sumLength - 7) && i != (sumLength - 11) && i != (sumLength - 15))
154 {
155 //当所取位数不为元、万、亿、万亿上的数字时
156 if (strOfNum == "0")
157 {
158 ch1 = "";
159 ch2 = "";
160 nzero = nzero + 1;
161 }
162 else
163 {
164 if (strOfNum != "0" && nzero != 0)
165 {
166 ch1 = "零" + strUpperMum.Substring(temp * 1, 1);
167 ch2 = strNumUnit.Substring(i, 1);
168 nzero = 0;
169 }
170 else
171 {
172 ch1 = strUpperMum.Substring(temp * 1, 1);
173 ch2 = strNumUnit.Substring(i, 1);
174 nzero = 0;
175 }
176 }
177 }
178 else
179 {
180 //该位是万亿，亿，万，元位等关键位
181 if (strOfNum != "0" && nzero != 0)
182 {
183 ch1 = "零" + strUpperMum.Substring(temp * 1, 1);
184 ch2 = strNumUnit.Substring(i, 1);
185 nzero = 0;
186 }
187 else
188 {
189 if (strOfNum != "0" && nzero == 0)
190 {
191 ch1 = strUpperMum.Substring(temp * 1, 1);
192 ch2 = strNumUnit.Substring(i, 1);
193 nzero = 0;
194 }
195 else
196 {
197 if (strOfNum == "0" && nzero >= 3)
198 {
199 ch1 = "";
200 ch2 = "";
201 nzero = nzero + 1;
202 }
203 else
204 {
205 if (sumLength >= 11)
206 {
207 ch1 = "";
208 nzero = nzero + 1;
209 }
210 else
211 {
212 ch1 = "";
213 ch2 = strNumUnit.Substring(i, 1);
214 nzero = nzero + 1;
215 }
216 }
217 }
218 }
219 }
220 if (i == (sumLength - 11) || i == (sumLength - 3))
221 {
222 //如果该位是亿位或元位，则必须写上
223 ch2 = strNumUnit.Substring(i, 1);
224 }
225 strReturnUpper = strReturnUpper + ch1 + ch2;
226
227 if (i == sumLength - 1 && strOfNum == "0")
228 {
229 //最后一位（分）为0时，加上“整”
230 strReturnUpper = strReturnUpper + '整';
231 }
232 }
233 if (num == 0)
234 {
235 strReturnUpper = "零元整";
236 }
237 return strReturnUpper;
238 }
239 }
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