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/// <summary> /// 转换 /// </summary> public
static class ConversionHelper { #region 数据格式转换 /// <summary> /// 转换成Int /// </summary> /// <param name="inputValue">输入值</param> /// <returns></returns> public
static int ToInt(this
object inputValue) { return
inputValue.IsInt() ? int.Parse(inputValue.ToStringValue()) : 0; } /// <summary> /// 转换成Int32 /// </summary> /// <param name="inputValue">输入值</param> /// <returns></returns> public
static int ToInt32(this
object inputValue) { return
inputValue.IsInt() ? Convert.ToInt32(inputValue) : 0; } /// <summary> /// 转换成Int64 /// </summary> /// <param name="inputValue">输入值</param> /// <returns></returns> public
static long ToInt64(this
object inputValue) { return
inputValue.IsInt() ? Convert.ToInt64(inputValue) : 0; } /// <summary> /// 转换成Double /// </summary> /// <param name="inputValue">输入值</param> /// <returns></returns> public
static Double ToDouble(this
object inputValue) { return
!inputValue.IsNullOrEmpty() ? Convert.ToDouble(inputValue) : 0; } /// <summary> /// 转换成Int64 /// </summary> /// <param name="inputValue">输入值</param> /// <returns></returns> public
static bool? ToBool(this
object inputValue) { return
inputValue.IsNullOrEmpty() ? (bool?)null
: bool.Parse(inputValue.ToStringValue()); } /// <summary> /// 转换obj 成string /// </summary> /// <param name="inputValue">object</param> /// <returns></returns> public
static string ToStringValue(this
object inputValue) { return
inputValue == null
? "" : inputValue.ToString(); } /// <summary> /// 转换成数据库字符串 /// </summary> /// <param name="inputValue">输入值</param> /// <returns></returns> public
static string ToDbString(this
object inputValue) { return
!inputValue.IsNullOrEmpty() ? "‘"
+ inputValue.ToStringValue().Trim().Replace("‘", "‘‘") + "‘"
: "‘‘"; } /// <summary> /// 转换成时间类型yyyy-MM-dd /// </summary> /// <param name="inputValue">输入值</param> /// <returns></returns> public
static DateTime ToDateTime(this
object inputValue) { return
inputValue.IsNullOrEmpty() ? DateTime.MinValue : Convert.ToDateTime(inputValue); } /// <summary> /// 转换成时间类型 /// </summary> /// <param name="inputValue">输入值</param> /// <param name="format">时间格式</param> /// <returns></returns> public
static DateTime ToDateTime(this
object inputValue, string
format) { return
DateTime.ParseExact(inputValue.ToStringValue(), format, null); } #endregion } /// <summary> /// 验证 /// </summary> public
static class VerificationHelper { #region 正则表达式 //邮政编码 private
static readonly Regex RegPostCode = new
Regex("^\\d{6}$"); //中国身份证验证 private
static readonly Regex RegCardId = new
Regex("^\\d{17}[\\d|X]|\\d{15}|\\d{18}$"); //数字 private
static readonly Regex RegNumber = new
Regex("^\\d+$"); //固定电话 private
static readonly Regex RegTel = new
Regex("^\\d{3,4}-\\d{7,8}|\\d{7,8}$"); //手机号 private
static readonly Regex RegPhone = new
Regex("^[1][3-8]\\d{9}$"); //电话号码（包括固定电话和手机号） private
static readonly Regex RegTelePhone = new
Regex("^(\\d{3,4}-\\d{7,8}|\\d{7,8})|([1][3-8]\\d{9})$"); //邮箱 private
static readonly Regex RegEmail = new
Regex("^[\\w-]+@[\\w-]+\\.(com|net|org|edu|mil|tv|biz|info)$"); //中文 private
static readonly Regex RegChzn = new
Regex("[\u4e00-\u9fa5]"); //IP地址 private
static readonly Regex RegIp = new
Regex("((25[0-5]|2[0-4]\\d|1?\\d?\\d)\\.){3}(25[0-5]|2[0-4]\\d|1?\\d?\\d)"); #endregion #region 验证方法 /// <summary> /// 判断是否是数字 /// </summary> /// <param name="inputValue">输入值</param> /// <returns></returns> public
static bool IsInt(this
object inputValue) { int
num; return
int.TryParse(inputValue.ToStringValue(), out
num); } /// <summary> /// 判断是否是小数 /// </summary> /// <param name="inputValue">输入值</param> /// <returns></returns> public
static bool IsDouble(this
object inputValue) { Double dValue; return
Double.TryParse(inputValue.ToStringValue(), out
dValue); } /// <summary> /// 判断是否是小数 /// </summary> /// <param name="inputValue">输入值</param> /// <returns></returns> public
static bool IsFloat(this
object inputValue) { float
fValue; return
float.TryParse(inputValue.ToStringValue(), out
fValue); } /// <summary> /// 判断字符串是否为空 /// 空：true，不为空：false /// </summary> /// <param name="inputValue">输入值</param> /// <returns></returns> public
static bool IsNullOrEmpty(this
object inputValue) { return
string.IsNullOrEmpty(inputValue.ToStringValue()); } /// <summary> /// 判断字符串是否为Email /// </summary> /// <param name="inputValue">输入值</param> /// <returns></returns> public
static bool IsEmail(this
object inputValue) { var
match = RegEmail.Match(inputValue.ToStringValue()); return
match.Success; } /// <summary> /// 判断字符串是否为固话 /// </summary> /// <param name="inputValue">输入值</param> /// <returns></returns> public
static bool IsTel(this
object inputValue) { var
match = RegTel.Match(inputValue.ToStringValue()); return
match.Success; } /// <summary> /// 判断字符串是否为手机号 /// </summary> /// <param name="inputValue">输入值</param> /// <returns></returns> public
static bool IsPhone(this
object inputValue) { var
match = RegPhone.Match(inputValue.ToStringValue()); return
match.Success; } /// <summary> /// 判断字符串是否为电话号码 /// （包含固定电话和手机号） /// </summary> /// <param name="inputValue">输入值</param> /// <returns></returns> public
static bool IsTelePhone(this
object inputValue) { var
match = RegTelePhone.Match(inputValue.ToStringValue()); return
match.Success; } /// <summary> /// 判断字符串是否为IP地址 /// </summary> /// <param name="inputValue">输入值</param> /// <returns></returns> public
static bool IsIp(this
object inputValue) { var
match = RegIp.Match(inputValue.ToStringValue()); return
match.Success; } /// <summary> /// 判断字符串是否为邮编 /// </summary> /// <param name="inputValue">输入值</param> /// <returns></returns> public
static bool IsPostCode(this
object inputValue) { var
match = RegPostCode.Match(inputValue.ToStringValue()); return
match.Success; } /// <summary> /// 判断字符串是否为身份证 /// </summary> /// <param name="inputValue">输入值</param> /// <returns></returns> public
static bool IsCardId(this
object inputValue) { var
match = RegCardId.Match(inputValue.ToStringValue()); return
match.Success; } /// <summary> /// 判断字符串是否为中文 /// </summary> /// <param name="inputValue">输入值</param> /// <returns></returns> public
static bool IsChzn(this
object inputValue) { var
match = RegChzn.Match(inputValue.ToStringValue()); return
match.Success; } /// <summary> /// 判断字符串是否为数字 /// </summary> /// <param name="inputValue">输入值</param> /// <returns></returns> public
static bool IsNumber(this
object inputValue) { var
match = RegNumber.Match(inputValue.ToStringValue()); return
match.Success; } #endregion } |
原文：http://www.cnblogs.com/jaday/p/3657665.html