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- using System;
- namespace LeaRun.Util.Extension
- {
- /// <summary>
- /// 验证扩展
- /// </summary>
- public static partial class Extensions
- {
- /// <summary>
- /// 检测空值,为null则抛出ArgumentNullException异常
- /// </summary>
- /// <param name="obj">对象</param>
- /// <param name="parameterName">参数名</param>
- public static void CheckNull(this object obj, string parameterName)
- {
- if (obj == null)
- throw new ArgumentNullException(parameterName);
- }
- /// <summary>
- /// 是否为空
- /// </summary>
- /// <param name="value">值</param>
- public static bool IsEmpty(this string value)
- {
- return string.IsNullOrWhiteSpace(value);
- }
- /// <summary>
- /// 是否为空
- /// </summary>
- /// <param name="value">值</param>
- public static bool IsEmpty(this Guid? value)
- {
- if (value == null)
- return true;
- return IsEmpty(value.Value);
- }
- /// <summary>
- /// 是否为空
- /// </summary>
- /// <param name="value">值</param>
- public static bool IsEmpty(this Guid value)
- {
- if (value == Guid.Empty)
- return true;
- return false;
- }
- /// <summary>
- /// 是否为空
- /// </summary>
- /// <param name="value">值</param>
- public static bool IsEmpty(this object value)
- {
- if (value != null && !string.IsNullOrEmpty(value.ToString()))
- {
- return false;
- }
- else
- {
- return true;
- }
- }
- }
- }
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