99

Reportapi/MyCode.Project.Infrastructure/Imports/ImportProperty.cs

@@ -0,0 +1,127 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Text.RegularExpressions;
+using System.Threading.Tasks;
+using MyCode.Project.Infrastructure.Extensions;
+
+namespace MyCode.Project.Infrastructure.Imports
+{
+    /// <summary>
+    /// 基本类型数据属性类
+    /// </summary>
+    public class ImportProperty
+    {
+        /// <summary>
+        /// 标题
+        /// </summary>
+        public string Caption { get; set; }
+
+        /// <summary>
+        /// 实体的属性名称
+        /// </summary>
+        public string EntityProp { get; set; }
+
+        /// <summary>
+        /// 是否允许为空，默认允许
+        /// </summary>
+        public bool IsNullable { get; set; }
+
+        /// <summary>
+        /// 最大长度
+        /// </summary>
+        public int MaxLength { get; set; }
+
+        /// <summary>
+        /// 数据类型，默认为字符串，只有string、int、decimal三个类型，其他类型不做检查
+        /// </summary>
+        public Type ValueType { get; set; }
+
+        public ImportProperty()
+        {
+            this.IsNullable = true;
+            this.ValueType = typeof(string);
+        }
+
+        /// <summary>
+        /// 验证数据格式是否合法
+        /// </summary>
+        /// <param name="input">输入数据</param>
+        /// <param name="message">错误消息</param>
+        /// <returns></returns>
+        public bool ValidateInput(object input, ref string message)
+        {
+            if (input == null && this.IsNullable)
+            {
+                return true;
+            }
+            if (input == null && !this.IsNullable)
+            {
+                message=string.Format("[{0}]列不允许为空，必须填写数据!",this.Caption);
+                return false;
+            }
+            var str = input.ToString();
+            if (string.IsNullOrEmpty(str) && !this.IsNullable)
+            {
+                message = string.Format("[{0}]列不允许为空，必须填写数据!", this.Caption);
+                return false;
+            }
+            if (string.IsNullOrEmpty(str) && this.IsNullable)
+            {
+                return true;
+            }
+            if (str.Length > this.MaxLength && this.MaxLength > 0)
+            {
+                message = string.Format("[{0}]列中的[{1}]数据超出最大长度!", this.Caption, input);
+                return false;
+            }
+            if (this.ValueType == typeof(decimal))
+            {
+                if (!Regex.IsMatch(str, @"^([0-9]+\.[0-9]+)|[0-9]+$"))
+                {
+                    message=string.Format("[{0}]列中的[{1}]数据不是合法的数值!",this.Caption,input);
+                    return false;
+                }
+            }
+            if (this.ValueType == typeof(int))
+            {
+                if (!Regex.IsMatch(str, @"^[0-9]+$"))
+                {
+                    message = string.Format("[{0}]列中的[{1}]数据不是合法的整数!", this.Caption, input);
+                    return false;
+                }
+            }
+            if (this.ValueType == typeof(DateTime))
+            {
+                DateTime value=DateTime.Now;
+                if (!DateTime.TryParse(str, out value))
+                {
+                    message = string.Format("[{0}]列中的[{1}]数据不是合法的时间!", this.Caption, input);
+                    return false;
+                }
+            }
+            return true;
+        }
+
+        /// <summary>
+        /// 获取对应类型的数据
+        /// </summary>
+        /// <param name="input">输入数据</param>
+        /// <returns></returns>
+        public object GetValue(object input)
+        {
+            if (input == null)
+            {
+                return null;
+            }
+            if (input.GetType() == this.ValueType)
+            {
+                return input;
+            }
+            return Convert.ChangeType(input, this.ValueType);
+        }
+
+
+    }
+}