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yangle

2023-06-13 40b805f16d04e53e12298ed3b3dff552fdfeedb8

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using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Reflection;
using System.Web;
 
namespace WebAPI.Models
{
    public class ModelConvertHelper<T> where T : new()
    {
        public static List<T> ConvertToModel(DataTable dt)
        {
            // 定义集合    
            List<T> ts = new List<T>();
 
            // 获得此模型的类型   
            Type type = typeof(T);
            string tempName = "";
 
            foreach (DataRow dr in dt.Rows)
            {
                T t = new T();
                // 获得此模型的公共属性      
                PropertyInfo[] propertys = t.GetType().GetProperties();
                foreach (PropertyInfo pi in propertys)
                {
                    tempName = pi.Name;  // 检查DataTable是否包含此列    
 
                    if (dt.Columns.Contains(tempName))
                    {
                        // 判断此属性是否有Setter      
                        if (!pi.CanWrite) continue;
 
                        object value = dr[tempName];
                        if (value != DBNull.Value)
                            pi.SetValue(t, value, null);
                    }
                }
                ts.Add(t);
            }
            return ts;
        }
    }    
}