类型转换一种处理方式
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2022-06-18 09:58:53
背景 1. 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; 2. 具体代码: "MasterChief" 3. Nuget:Install Package MasterChie ......
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
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;