背景#
- 在开发中，我们会碰到诸如String类型转换为Int等等问题，虽然处理起来简单，但是本着DRY(Don't Repeat Yourself )原则，还是有必要封装处理下；
- 具体代码：MasterChief
- Nuget：Install-Package MasterChief.DotNet4.Utilities
- 欢迎Star，欢迎Issues；
实现代码#
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using System;
using System.ComponentModel;
using System.Data;
using System.Globalization;
namespace MasterChief.DotNet4.Utilities.Common
{
/// <summary>
/// 转换帮助类
/// </summary>
public static class ConvertHelper
{
#region Methods
/// <summary>
/// 转换成布尔类型
/// </summary>
/// <param name="data">需要转换的object</param>
/// <param name="defalut">默认数值</param>
/// <returns>转换返回</returns>
public static bool ToBooleanOrDefault(this object data, bool defalut = false)
{
return data != null && bool.TryParse(data.ToString(), out var result) ? result : defalut;
}
/// <summary>
/// 转换成Byte类型
/// </summary>
/// <param name="data">需要转换的object</param>
/// <param name="defalut">默认数值</param>
/// <returns>转换返回</returns>
public static byte ToByteOrDefault(this object data, byte defalut = 0x00)
{
return data != null && byte.TryParse(data.ToString(), out var result) ? result : defalut;
}
/// <summary>
/// 转换为农历年
/// </summary>
/// <param name="date">日期</param>
/// <returns>农历年</returns>
public static string ToChineseDate(this DateTime date)
{
var cnDate = new ChineseLunisolarCalendar();
string[] months = { string.Empty, "正月", "二月", "三月", "四月", "五月", "六月", "七月", "八月", "九月", "十月", "冬月", "腊月" };
string[] days =
{
string.Empty, "初一", "初二", "初三", "初四", "初五", "初六", "初七", "初八", "初九", "初十", "十一", "十二", "十三", "十四", "十五",
"十六", "十七", "十八", "十九", "廿一", "廿二", "廿三", "廿四", "廿五", "廿六", "廿七", "廿八", "廿九", "三十"
};
string[] years =
{
string.Empty, "甲子", "乙丑", "丙寅", "丁卯", "戊辰", "己巳", "庚午", "辛未", "壬申", "癸酉", "甲戌", "乙亥", "丙子", "丁丑", "戊寅",
"己卯", "庚辰", "辛己", "壬午", "癸未", "甲申", "乙酉", "丙戌", "丁亥", "戊子", "己丑", "庚寅", "辛卯", "壬辰", "癸巳", "甲午", "乙未",
"丙申", "丁酉", "戊戌", "己亥", "庚子", "辛丑", "壬寅", "癸丑", "甲辰", "乙巳", "丙午", "丁未", "戊申", "己酉", "庚戌", "辛亥", "壬子",
"癸丑", "甲寅", "乙卯", "丙辰", "丁巳", "戊午", "己未", "庚申", "辛酉", "壬戌", "癸亥"
};
var year = cnDate.GetYear(date);
var yearCn = years[cnDate.GetSexagenaryYear(date)];
int month = cnDate.GetMonth(date),
day = cnDate.GetDayOfMonth(date),
leapMonth = cnDate.GetLeapMonth(year);
var monthCn = months[month];
if (leapMonth > 0)
{
monthCn = month == leapMonth ? $"闰{months[month - 1]}" : monthCn;
monthCn = month > leapMonth ? months[month - 1] : monthCn;
}
return $"{yearCn}年{monthCn}{days[day]}";
}
/// <summary>
/// 将阿拉伯数字转换中文日期数字
/// </summary>
/// <param name="data">日期范围1~31</param>
/// <returns>中文日期数字</returns>
public static string ToChineseDay(int data)
{
string result = string.Empty;
if (!(data == 0 || data > 32))
{
string[] days =
{
"〇", "一", "二", "三", "四", "五", "六", "七", "八", "九", "十", "十一", "十二", "十三", "十四", "十五", "十六", "十七",
"十八", "十九", "廿十", "廿一", "廿二", "廿三", "廿四", "廿五", "廿六", "廿七", "廿八", "廿九", "三十", "三十一"
};
result = days[data];
}
return result;
}
/// <summary>
/// 将阿拉伯数字转换成中文月份数字
/// <para>eg:ConvertHelper.ToChineseMonth(1)==> "一"</para>
/// </summary>
/// <param name="data">月份范围1~12</param>
/// <returns>中文月份数字</returns>
public static string ToChineseMonth(this int data)
{
var result = string.Empty;
if (!(data == 0 || data > 12))
{
string[] months = { "〇", "一", "二", "三", "四", "五", "六", "七", "八", "九", "十", "十一", "十二" };
result = months[data];
}
return result;
}
/// <summary>
/// 转换成日期
/// </summary>
/// <param name="data">数据</param>
/// <param name="defalut">默认数值</param>
/// <returns>日期</returns>
public static DateTime ToDateOrDefault(this object data, DateTime defalut)
{
return DateTime.TryParse(data.ToString(), out var result) ? result : defalut;
}
/// <summary>
/// 日期转化
/// </summary>
/// <returns>目标日期</returns>
/// <param name="data">数据.</param>
public static DateTime ToDateOrDefault(this object data)
{
return ToDateOrDefault(data, DateTime.MinValue);
}
/// <summary>
/// 转换成decimal类型
/// </summary>
/// <param name="data">需要转换的object</param>
/// <param name="defalut">默认数值</param>
/// <returns>转换返回</returns>
public static decimal ToDecimalOrDefault(this object data, decimal defalut = 0m)
{
if (data != null)
{
var result = decimal.TryParse(data.ToString(), out var parsedecimalValue);
return result ? parsedecimalValue : defalut;
}
return defalut;
}
/// <summary>
/// 转换成double类型
/// </summary>
/// <param name="data">需要转换的object</param>
/// <param name="defalut">默认数值</param>
/// <returns>转换返回</returns>
public static double ToDoubleOrDefault(this object data, double defalut = 0d)
{
if (data != null)
{
var result = double.TryParse(data.ToString(), out var parseIntValue);
return result ? parseIntValue : defalut;
}
return defalut;
}
/// <summary>
/// 转换成Int32类型
/// </summary>
/// <param name="data">需要转换的object</param>
/// <param name="defalut">默认数值</param>
/// <returns>转换返回</returns>
public static int ToInt32OrDefault(this object data, int defalut = 0)
{
if (data != null)
{
var result = int.TryParse(data.ToString(), out var parseIntValue);
return result ? parseIntValue : defalut;
}
return defalut;
}
/// <summary>
/// 转换成Int64类型
/// </summary>
/// <param name="data">需要转换的object</param>
/// <param name="defalut">默认数值</param>
/// <returns>转换返回</returns>
public static long ToInt64OrDefault(this object data, long defalut = 0)
{
if (data != null)
{
var result = long.TryParse(data.ToString(), out var parseIntValue);
return result ? parseIntValue : defalut;
}
return defalut;
}
/// <summary>
/// 转换成Int类型
/// </summary>
/// <param name="data">需要转换的object</param>
/// <param name="defalut">默认数值</param>
/// <returns>转换返回</returns>
public static int ToIntOrDefault(this object data, int defalut = 0)
{
if (data != null)
{
var result = int.TryParse(data.ToString(), out var parseIntValue);
return result ? parseIntValue : defalut;
}
return defalut;
}
/// <summary>
/// 按照列名称获取Int值
/// </summary>
/// <param name="row">DataRow</param>
/// <param name="columnName">列名称</param>
/// <param name="defalut">默认数值</param>
/// <returns>若列不等于NULL则返回实际值</returns>
public static int ToIntOrDefault(this DataRow row, string columnName, int defalut = 0)
{
if (row != null)
if (row.IsNull(columnName))
int.TryParse(row[columnName].ToString(), out defalut);
return defalut;
}
/// <summary>
/// 按照列索引获取Int值
/// </summary>
/// <param name="row">DataRow</param>
/// <param name="columnIndex">列索引</param>
/// <param name="defalut">默认数值</param>
/// <returns>若列不等于NULL则返回实际值</returns>
public static int ToIntOrDefault(this DataRow row, int columnIndex, int defalut = 0)
{
if (row != null)
if (row.IsNull(columnIndex))
int.TryParse(row[columnIndex].ToString(), out defalut);
return defalut;
}
/// <summary>
/// 转换成Int16类型
/// </summary>
/// <param name="data">需要转换的object</param>
/// <param name="defalut">默认数值</param>
/// <returns>转换返回</returns>
public static short ToShortOrDefault(this object data, short defalut)
{
if (data != null)
{
var result = short.TryParse(data.ToString(), out var parseIntValue);
return result ? parseIntValue : defalut;
}
return defalut;
}
/// <summary>
/// 泛型数组转换为字符串
/// </summary>
/// <typeparam name="T">泛型</typeparam>
/// <param name="array">泛型数组</param>
/// <param name="delimiter">分隔符</param>
/// <returns>转换好的字符串</returns>
public static string ToString<T>(this T[] array, string delimiter)
{
var data = Array.ConvertAll(array, n => n.ToString());
return string.Join(delimiter, data);
}
/// <summary>
/// 字符串类型转换
/// </summary>
/// <typeparam name="T">目标类型</typeparam>
/// <param name="data">需要转换的字符串</param>
/// <returns>转换类型</returns>
public static T ToStringBase<T>(this string data)
{
var result = default(T);
if (!string.IsNullOrEmpty(data))
{
var convert = TypeDescriptor.GetConverter(typeof(T));
result = (T)convert.ConvertFrom(data);
}
return result;
}
/// <summary>
/// 转换成string类型
/// </summary>
/// <param name="data">需要转换的object</param>
/// <param name="defalut">默认数值</param>
/// <returns>转换返回</returns>
public static string ToStringOrDefault(this object data, string defalut)
{
return data == null ? defalut : data.ToString();
}
/// <summary>
/// 将时间类型转换为字符串表述
/// </summary>
/// <param name="data">DateTime</param>
/// <param name="formartString">格式化字符串</param>
/// <param name="defalut">默认数值</param>
/// <returns>字符串</returns>
public static string ToStringOrDefault(this DateTime data, string formartString, string defalut)
{
if (data != default) return data.ToString(formartString);
return defalut;
}
/// <summary>
/// 按照列名称获取Sting值
/// </summary>
/// <param name="row">DataRow</param>
/// <param name="columnName">列名称</param>
/// <param name="defalut">默认数值</param>
/// <returns>若列不等于NULL则返回实际值</returns>
public static string ToStringOrDefault(this DataRow row, string columnName, string defalut)
{
if (row != null) defalut = row.IsNull(columnName) ? defalut : row[columnName].ToString();
return defalut;
}
/// <summary>
/// 按照列索引获取Sting值
/// </summary>
/// <param name="row">DataRow</param>
/// <param name="columnIndex">列索引</param>
/// <param name="defalut">默认数值</param>
/// <returns>若列不等于NULL则返回实际值</returns>
public static string ToStringOrDefault(this DataRow row, int columnIndex, string defalut)
{
if (row != null) defalut = row.IsNull(columnIndex) ? defalut : row[columnIndex].ToString().Trim();
return defalut;
}
/// <summary>
/// 转换成ushort类型
/// </summary>
/// <param name="data">需要转换的object</param>
/// <param name="defalut">默认数值</param>
/// <returns>转换返回</returns>
public static ushort ToUShortOrDefault(this object data, ushort defalut)
{
if (data != null)
{
var result = ushort.TryParse(data.ToString(), out var parseUShortValue);
return result ? parseUShortValue : defalut;
}
return defalut;
}
/// <summary>
/// 将字符串转换为Guid
/// </summary>
/// <returns>期待guid</returns>
/// <param name="data">数值.</param>
public static Guid ToGuidOrDefault(this string data)
{
return ToGuidOrDefault(data, Guid.Empty);
}
/// <summary>
/// 将字符串转换为Guid
/// </summary>
/// <param name="data">需要转换的字符串</param>
/// <param name="defalut">默认数值</param>
/// <returns>转换返回</returns>
public static Guid ToGuidOrDefault(this string data, Guid defalut)
{
Guid result;
if (Guid.TryParse(data, out result))
return result;
return defalut;
}
#endregion Methods
}
}代码使用#
- 实现很简单，所以使用也很简单，假如您还是很懒的话，去Star下，我告诉您怎么用，哈哈哈~
结语#
- 小弟不才，大佬轻拍；