本文实例讲述了C#实现实体类与字符串互相转换的方法。分享给大家供大家参考。具体实现方法如下：
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using System;using System.Collections.Generic;using System.Text;namespace PackDLL.Data.ConvertData{ /// <summary> /// 实体类、字符串互相转换 /// </summary> public class PackReflectionEntity<T> { /// <summary> /// 将实体类通过反射组装成字符串 /// </summary> /// <param name="t">实体类</param> /// <returns>组装的字符串</returns> public static string GetEntityToString(T t) { System.Text.StringBuilder sb = new StringBuilder(); Type type = t.GetType(); System.Reflection.PropertyInfo[] propertyInfos = type.GetProperties(); for (int i = 0; i < propertyInfos.Length; i++) { sb.Append(propertyInfos[i].Name + ":" + propertyInfos[i].GetValue(t, null) + ","); } return sb.ToString().TrimEnd(new char[] { ',' }); } /// <summary> /// 将反射得到字符串转换为对象 /// </summary> /// <param name="str">反射得到的字符串</param> /// <returns>实体类</returns> public static T GetEntityStringToEntity(string str) { string[] array = str.Split(','); string[] temp = null; Dictionary<string, string> dictionary = new Dictionary<string, string>(); foreach (string s in array) { temp = s.Split(':'); dictionary.Add(temp[0], temp[1]); } System.Reflection.Assembly assembly = System.Reflection.Assembly.GetAssembly(typeof(T)); T entry = (T)assembly.CreateInstance(typeof(T).FullName); System.Text.StringBuilder sb = new StringBuilder(); Type type = entry.GetType(); System.Reflection.PropertyInfo[] propertyInfos = type.GetProperties(); for (int i = 0; i < propertyInfos.Length; i++) { foreach (string key in dictionary.Keys) { if (propertyInfos[i].Name == key.ToString()) { propertyInfos[i].SetValue(entry, GetObject(propertyInfos[i], dictionary[key]), null); break; } } } return entry; } /// <summary> /// 转换值的类型 /// </summary> /// <param name="p"></param> /// <param name="value"></param> /// <returns></returns> static object GetObject(System.Reflection.PropertyInfo p, string value) { switch (p.PropertyType.Name.ToString().ToLower()) { case "int16": return Convert.ToInt16(value); case "int32": return Convert.ToInt32(value); case "int64": return Convert.ToInt64(value); case "string": return Convert.ToString(value); case "datetime": return Convert.ToDateTime(value); case "boolean": return Convert.ToBoolean(value); case "char": return Convert.ToChar(value); case "double": return Convert.ToDouble(value); default: return value; } } }} |
希望本文所述对大家的C#程序设计有所帮助。
