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C# UInt64.Parse方法代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C#中System.UInt64.Parse方法的典型用法代码示例。如果您正苦于以下问题:C# UInt64.Parse方法的具体用法?C# UInt64.Parse怎么用?C# UInt64.Parse使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。



在下文中一共展示了UInt64.Parse方法的4个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的C#代码示例。

示例1: Main

//引入命名空间
using System;
using System.Globalization;

public class Example
{
   public static void Main()
   {
      string[] cultureNames= { "en-US", "fr-FR" };
      NumberStyles[] styles= { NumberStyles.Integer,
                               NumberStyles.Integer | NumberStyles.AllowDecimalPoint };
      string[] values = { "170209", "+170209.0", "+170209,0", "-103214.00",
                                 "-103214,00", "104561.1", "104561,1" };
      
      // Parse strings using each culture
      foreach (string cultureName in cultureNames)
      {
         CultureInfo ci = new CultureInfo(cultureName);
         Console.WriteLine("Parsing strings using the {0} culture", 
                           ci.DisplayName);
         // Use each style.
         foreach (NumberStyles style in styles)
         {
            Console.WriteLine("   Style: {0}", style.ToString());
            // Parse each numeric string.
            foreach (string value in values)
            {
               try {
                  Console.WriteLine("      Converted '{0}' to {1}.", value,
                                    UInt64.Parse(value, style, ci));
               }
               catch (FormatException) {
                  Console.WriteLine("      Unable to parse '{0}'.", value);
               }      
               catch (OverflowException) {
                  Console.WriteLine("      '{0}' is out of range of the UInt64 type.",
                                    value);
               }
            }
         }
      }                                    
   }
}
开发者ID:.NET开发者,项目名称:System,代码行数:43,代码来源:UInt64.Parse

输出:

Style: Integer
Converted '170209' to 170209.
Unable to parse '+170209.0'.
Unable to parse '+170209,0'.
Unable to parse '-103214.00'.
Unable to parse '-103214,00'.
Unable to parse '104561.1'.
Unable to parse '104561,1'.
Style: Integer, AllowDecimalPoint
Converted '170209' to 170209.
Converted '+170209.0' to 170209.
Unable to parse '+170209,0'.
'-103214.00' is out of range of the UInt64 type.
Unable to parse '-103214,00'.
'104561.1' is out of range of the UInt64 type.
Unable to parse '104561,1'.
Parsing strings using the French (France) culture
Style: Integer
Converted '170209' to 170209.
Unable to parse '+170209.0'.
Unable to parse '+170209,0'.
Unable to parse '-103214.00'.
Unable to parse '-103214,00'.
Unable to parse '104561.1'.
Unable to parse '104561,1'.
Style: Integer, AllowDecimalPoint
Converted '170209' to 170209.
Unable to parse '+170209.0'.
Converted '+170209,0' to 170209.
Unable to parse '-103214.00'.
'-103214,00' is out of range of the UInt64 type.
Unable to parse '104561.1'.
'104561,1' is out of range of the UInt64 type.


示例2: Main

//引入命名空间
using System;
using System.Globalization;

public class Example
{
   public static void Main()
   {
      string[] values= { " 214309 ", "1,064,181", "(0)", "10241+", " + 21499 ", 
                         " +21499 ", "122153.00", "1e03ff", "91300.0e-2" };
      NumberStyles whitespace =  NumberStyles.AllowLeadingWhite | NumberStyles.AllowTrailingWhite;
      NumberStyles[] styles= { NumberStyles.None, whitespace, 
                               NumberStyles.AllowLeadingSign | NumberStyles.AllowTrailingSign | whitespace, 
                               NumberStyles.AllowThousands | NumberStyles.AllowCurrencySymbol, 
                               NumberStyles.AllowExponent | NumberStyles.AllowDecimalPoint };

      // Attempt to convert each number using each style combination.
      foreach (string value in values)
      {
         Console.WriteLine("Attempting to convert '{0}':", value);
         foreach (NumberStyles style in styles)
         {
            try {
               ulong number = UInt64.Parse(value, style);
               Console.WriteLine("   {0}: {1}", style, number);
            }   
            catch (FormatException) {
               Console.WriteLine("   {0}: Bad Format", style);
            }   
            catch (OverflowException)
            {
               Console.WriteLine("   {0}: Overflow", value);         
            }         
         }
         Console.WriteLine();
      }
   }
}
开发者ID:.NET开发者,项目名称:System,代码行数:38,代码来源:UInt64.Parse

输出:

Attempting to convert ' 214309 ':
None: Bad Format
AllowLeadingWhite, AllowTrailingWhite: 214309
Integer, AllowTrailingSign: 214309
AllowThousands, AllowCurrencySymbol: Bad Format
AllowDecimalPoint, AllowExponent: Bad Format

Attempting to convert '1,064,181':
None: Bad Format
AllowLeadingWhite, AllowTrailingWhite: Bad Format
Integer, AllowTrailingSign: Bad Format
AllowThousands, AllowCurrencySymbol: 1064181
AllowDecimalPoint, AllowExponent: Bad Format

Attempting to convert '(0)':
None: Bad Format
AllowLeadingWhite, AllowTrailingWhite: Bad Format
Integer, AllowTrailingSign: Bad Format
AllowThousands, AllowCurrencySymbol: Bad Format
AllowDecimalPoint, AllowExponent: Bad Format

Attempting to convert '10241+':
None: Bad Format
AllowLeadingWhite, AllowTrailingWhite: Bad Format
Integer, AllowTrailingSign: 10241
AllowThousands, AllowCurrencySymbol: Bad Format
AllowDecimalPoint, AllowExponent: Bad Format

Attempting to convert ' + 21499 ':
None: Bad Format
AllowLeadingWhite, AllowTrailingWhite: Bad Format
Integer, AllowTrailingSign: Bad Format
AllowThousands, AllowCurrencySymbol: Bad Format
AllowDecimalPoint, AllowExponent: Bad Format

Attempting to convert ' +21499 ':
None: Bad Format
AllowLeadingWhite, AllowTrailingWhite: Bad Format
Integer, AllowTrailingSign: 21499
AllowThousands, AllowCurrencySymbol: Bad Format
AllowDecimalPoint, AllowExponent: Bad Format

Attempting to convert '122153.00':
None: Bad Format
AllowLeadingWhite, AllowTrailingWhite: Bad Format
Integer, AllowTrailingSign: Bad Format
AllowThousands, AllowCurrencySymbol: Bad Format
AllowDecimalPoint, AllowExponent: 122153

Attempting to convert '1e03ff':
None: Bad Format
AllowLeadingWhite, AllowTrailingWhite: Bad Format
Integer, AllowTrailingSign: Bad Format
AllowThousands, AllowCurrencySymbol: Bad Format
AllowDecimalPoint, AllowExponent: Bad Format

Attempting to convert '91300.0e-2':
None: Bad Format
AllowLeadingWhite, AllowTrailingWhite: Bad Format
Integer, AllowTrailingSign: Bad Format
AllowThousands, AllowCurrencySymbol: Bad Format
AllowDecimalPoint, AllowExponent: 913


示例3: foreach

string[] values = { "+13230", "-0", "1,390,146", "$190,235,421,127",
                    "0xFA1B", "163042", "-10", "14065839182",
                    "16e07", "134985.0", "-12034" };
foreach (string value in values)
{
   try {
      ulong number = UInt64.Parse(value); 
      Console.WriteLine("{0} --> {1}", value, number);
   }
   catch (FormatException) {
      Console.WriteLine("{0}: Bad Format", value);
   }   
   catch (OverflowException) {
      Console.WriteLine("{0}: Overflow", value);   
   }  
}
开发者ID:.NET开发者,项目名称:System,代码行数:16,代码来源:UInt64.Parse

输出:

+13230 --> 13230
-0 --> 0
1,390,146: Bad Format
$190,235,421,127: Bad Format
0xFA1B: Bad Format
163042 --> 163042
-10: Overflow
14065839182 --> 14065839182
16e07: Bad Format
134985.0: Bad Format
-12034: Overflow


示例4: OkToSingle_Click

protected void OkToSingle_Click(object sender, EventArgs e)
{
   string locale;
   float number;
   CultureInfo culture; 

   // Return if string is empty
   if (String.IsNullOrEmpty(this.inputNumber.Text))
      return;

   // Get locale of web request to determine possible format of number
   if (Request.UserLanguages.Length == 0)
      return;
   locale = Request.UserLanguages[0];
   if (String.IsNullOrEmpty(locale))
      return; 

   // Instantiate CultureInfo object for the user's locale
   culture = new CultureInfo(locale);
   
   // Convert user input from a string to a number
   try
   {
      number = Single.Parse(this.inputNumber.Text, culture.NumberFormat);
   }
   catch (FormatException)
   {
      return;
   }
   catch (Exception)
   {
      return;
   }
   // Output number to label on web form
   this.outputNumber.Text = "Number is " + number.ToString();
}
开发者ID:.NET开发者,项目名称:System,代码行数:36,代码来源:UInt64.Parse



注:本文中的System.UInt64.Parse方法示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。


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上一篇:
C# UInt64.ToString方法代码示例发布时间:2022-05-26
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C# UInt64.Equals方法代码示例发布时间:2022-05-26
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