C#清除字符串内空格的方法

/// <summary>

/// 清除字符串内空格

/// </summary>

/// <param name=”str”>需要处理的字符串</param>

/// <returns>处理好后的字符串</returns>

public static string ExceptBlanks(this string str)

{

int _length = str.Length;

if (_length > 0)

{

StringBuilder _builder = new StringBuilder(_length);

for (int i = 0; i < str.Length; i++)

{

char _c = str[i];

//switch (_c)

//{

//    case ‘\r’:

//    case ‘\n’:

//    case ‘\t’:

//    case ‘ ‘:

//        continue;

//    default:

//        _builder.Append(_c);

//        break;

//}

if (!char.IsWhiteSpace(_c))

_builder.Append(_c);

}

return _builder.ToString();

}

return str;

}

[TestMethod()]

public void ExceptBlanksTest()

{

string str = @”20140901  11 22 33  “; // TODO: 初始化为适当的值

string expected = “20140901112233”; // TODO: 初始化为适当的值

string actual = StringToolV2.ExceptBlanks(str);

Assert.AreEqual(expected, actual);

}