天津投入产出系统后端
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace Common.TextUtil
{
public static class SimpleTypeExtensions
{
/// <summary>
/// 验证字符串是否是Null或者空字符串
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public static bool IsEmptyOrNull(this string str)
{
if (str == null)
{
return true;
}
else if (str == "")
{
return true;
}
return false;
}
/// <summary>
/// 转换字符串到32位整形
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public static int ToInt32(this string str)
{
int rs = 0;
if (int.TryParse(str, out rs))
{
return rs;
}
throw new Exceptions.CannotConvertException(str);
}
/// <summary>
/// 转换字符串到64位整形
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public static long ToInt64(this string str)
{
long rs = 0;
if (long.TryParse(str, out rs))
{
return rs;
}
throw new Exceptions.CannotConvertException(str);
}
/// <summary>
/// 转换字符串到16位整形
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public static short ToInt16(this string str)
{
short rs = 0;
if (short.TryParse(str, out rs))
{
return rs;
}
throw new Exceptions.CannotConvertException(str);
}
/// <summary>
/// 转换字符串到浮点型
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public static decimal ToDecimal(this string str)
{
decimal rs = 0;
if (decimal.TryParse(str, out rs))
{
return rs;
}
throw new Exceptions.CannotConvertException(str);
}
/// <summary>
/// 转换字符串到单精度浮点型
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public static Single ToSingle(this string str)
{
Single rs = 0;
if (Single.TryParse(str, out rs))
{
return rs;
}
throw new Exceptions.CannotConvertException(str);
}
/// <summary>
/// 转换字符串到双精度浮点型
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public static double ToDouble(this string str)
{
double rs = 0;
if (double.TryParse(str, out rs))
{
return rs;
}
throw new Exceptions.CannotConvertException(str);
}
/// <summary>
/// 转换字符串到布尔值,只支持0;1或者True;False,不区分大小写
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public static bool ToBool(this string str)
{
if (str == "0" || str.ToUpper() == "FALSE")
{
return false;
}
else if (str == "1" || str.ToUpper() == "TRUE")
{
return true;
}
else
{
throw new Exceptions.CannotConvertException(str);
}
}
/// <summary>
/// 获取字符串值,如果为空则返回空字符串,过滤%和'
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public static string GetValue(this string str)
{
if (str == null)
{
return "";
}
return str.Replace("'", "‘").Replace("%", "%");
}
}
}