Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Welcome To Ask or Share your Answers For Others

Categories

0 votes
454 views
in Technique[技术] by (71.8m points)

c# - Set array key as string not int?

I am trying to set the array keys as a strings like in the example below, but inC#.

<?php
$array = array();
$array['key_name'] = "value1";
?>
See Question&Answers more detail:os

与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
Welcome To Ask or Share your Answers For Others

1 Answer

0 votes
by (71.8m points)

The closest you get in C# is Dictionary<TKey, TValue>:

var dict = new Dictionary<string, string>();
dict["key_name"] = "value1";

Note that a Dictionary<TKey, TValue> is not the same as PHP's associative array, because it is only accessible by one type of key (TKey -- which is string in the above example), as opposed to a combination of string/integer keys (thanks to Pavel for clarifying this point).

That said, I've never heard a .NET developer complain about that.


In response to your comment:

// The number of elements in headersSplit will be the number of ':' characters
// in line + 1.
string[] headersSplit = line.Split(':');

string hname = headersSplit[0];

// If you are getting an IndexOutOfRangeException here, it is because your
// headersSplit array has only one element. This tells me that line does not
// contain a ':' character.
string hvalue = headersSplit[1];

与恶龙缠斗过久,自身亦成为恶龙;凝视深渊过久,深渊将回以凝视…
Welcome to OStack Knowledge Sharing Community for programmer and developer-Open, Learning and Share
Click Here to Ask a Question

...