/// <summary>
/// 转换字符串为Int16类型，可以指定默认值
/// </summary>
/// <param name="str">字符串内容</param>
/// <param name="defaultValue">默认值</param>
/// <returns></returns>
public static int ToInt16(this string str, Int16 defaultValue = 0)
{
str = ConvertHelper.ConvertToDBC(str);//先转换为半角字符串
bool converted = Int16.TryParse(str, out defaultValue);
return(defaultValue);
}
/// <summary>
/// 转换字符串为float类型，可以指定默认值
/// </summary>
/// <param name="str">字符串内容</param>
/// <returns></returns>
public static bool ToBoolean(this string str)
{
str = ConvertHelper.ConvertToDBC(str);//先转换为半角字符串
//bool defaultValue = false;
//bool converted = bool.TryParse(str, out defaultValue);
//return defaultValue;
bool ret = false;
switch (str.ToLower())
{
case "true":
case "t":
case "yes":
case "y":
case "1":
case "-1":
ret = true;
break;
case "false":
case "f":
case "no":
case "n":
case "0":
ret = false;
break;
default:
ret = false;
break;
}
return(ret);
}
/// <summary>
/// 转换字符串为float类型，可以指定默认值
/// </summary>
/// <param name="str">字符串内容</param>
/// <param name="defaultValue">默认值</param>
/// <returns></returns>
public static float ToFloat(this string str, float defaultValue = 0)
{
str = ConvertHelper.ConvertToDBC(str);//先转换为半角字符串
bool converted = float.TryParse(str, out defaultValue);
return(defaultValue);
}
/// <summary>
/// 转换字符串为decimal类型，可以指定默认值
/// </summary>
/// <param name="str">字符串内容</param>
/// <param name="defaultValue">默认值</param>
/// <returns></returns>
public static decimal ToDecimal(this string str, decimal defaultValue = 0M)
{
str = ConvertHelper.ConvertToDBC(str);//先转换为半角字符串
bool converted = decimal.TryParse(str, out defaultValue);
return(defaultValue);
}
/// <summary>
/// 转换字符串为double类型，可以指定默认值
/// </summary>
/// <param name="str">字符串内容</param>
/// <param name="defaultValue">默认值</param>
/// <returns></returns>
public static double ToDouble(this string str, double defaultValue = 0)
{
str = ConvertHelper.ConvertToDBC(str);//先转换为半角字符串
bool converted = double.TryParse(str, out defaultValue);
return(defaultValue);
}
/// <summary>
/// 转换字符串为uint类型，可以指定默认值
/// </summary>
/// <param name="str">字符串内容</param>
/// <param name="defaultValue">默认值</param>
/// <returns></returns>
public static uint ToUInt32(this string str, uint defaultValue = 0)
{
str = ConvertHelper.ConvertToDBC(str);//先转换为半角字符串
bool converted = uint.TryParse(str, out defaultValue);
return(defaultValue);
}
/// <summary>
/// 转换字符串为UInt64类型，可以指定默认值
/// </summary>
/// <param name="str">字符串内容</param>
/// <param name="defaultValue">默认值</param>
/// <returns></returns>
public static UInt64 ToUInt64(this string str, UInt64 defaultValue = 0)
{
str = ConvertHelper.ConvertToDBC(str);//先转换为半角字符串
bool converted = UInt64.TryParse(str, out defaultValue);
return(defaultValue);
}
/// <summary>
/// 转换字符串为日期类型
/// </summary>
/// <param name="str">字符串内容</param>
/// <param name="defaultValue">默认值</param>
/// <returns></returns>
public static DateTime ToDateTime(this string str)
{
str = ConvertHelper.ConvertToDBC(str);//先转换为半角字符串
DateTime defaultValue = Convert.ToDateTime("1900-1-1");
bool converted = DateTime.TryParse(str, out defaultValue);
return(defaultValue);
}