C＃中的Uri.GetLeftPart()方法与示例

Uri.GetLeftPart()方法是一个实例方法，用于基于传递的UriPartial枚举从给定URI中获取指定部分。

Syntax: string Uri.GetLeftPart (UriPartial Part);

Parameters:

• Part: It represents UriPartial to get specified part from Uri.

Return Value: This method returns string value to represent specified part of Uri.

Exception: There are two type of exception are:

• System.ArgumentException: If the specified part is not valid.
• System.InvalidOperationException: If the current Uri instance is not an absolute instance.

下面的程序说明了Uri.GetLeftPart()方法的用法：

范例1：

C#

// C# program to demonstrate the 
// Uri.GetLeftPart() Method 
using System; 
using System.Globalization; 
    
class GFG { 
    
     // Main Method 
    public static void Main() 
    { 
        // Declaring and initializing Uri 
        Uri  val;
          
        val = new Uri("https://www.geeksforgeeks.org/data-structure");
          
        // Use of Uri.GetLeftPart() Method
        // Getting the Authority
        string str = val.GetLeftPart(UriPartial.Authority);
          
        Console.WriteLine(str); 
    } 
}

输出：

https://www.geeksforgeeks.org

范例2：

C＃

// C# program to demonstrate the 
// Uri.GetLeftPart() Method 
using System; 
using System.Globalization; 
    
class GFG { 
    
     // Main Method 
    public static void Main() 
    { 
        // Declaring and initializing Uri 
        Uri  val;
          
        val = new Uri("https://www.geeksforgeeks.org/");
          
        // Use of Uri.GetLeftPart() Method
        // Getting the Path
        string str1 = val.GetLeftPart(UriPartial.Path);
        Console.WriteLine(str1); 
          
        // Getting the Query
        string str2 = val.GetLeftPart(UriPartial.Query);
        Console.WriteLine(str2);
          
        // Getting the Scheme
        string str3 = val.GetLeftPart(UriPartial.Scheme);
        Console.WriteLine(str3);
    } 
}

输出：

https://www.geeksforgeeks.org/
https://www.geeksforgeeks.org/
https://