1.先引用DLL（Newtonsoft.Json.dll），已上传DLL
/************************************************* * 描述： * * Author：yuanshuo * Date：2021/11/15 17:14:59 * Update： * ************************************************/ using Newtonsoft.Json; using Newtonsoft.Json.Serialization; using System; using System.Collections.Generic; using System.IO; using System.Linq; using System.Text; using System.Text.RegularExpressions; using System.Threading.Tasks; using System.Xml; using System.Xml.Serialization; namespace Common.DataConversion_Helper { /// <summary> /// 数据转换操作(XML\Json与实体类的相互转换 /// </summary> public class ConverOper { #region Xml相关 /// <summary> /// 序列化xml /// </summary> /// <typeparam name="T"></typeparam> /// <param name="obj"></param> /// <returns></returns> public static string GetXmlByObjet<T>(T obj) { try { using (StringWriter sw = new StringWriter()) { Type t = obj.GetType(); XmlSerializer serializer = new XmlSerializer(obj.GetType()); serializer.Serialize(sw, obj); sw.Close(); return sw.ToString(); } } catch (Exception ex) { string text = $"实体序列化xml失败；失败原因：{ex.Message}"; return text; } } /// <summary> /// 反序列化xml /// </summary> /// <typeparam name="T"></typeparam> /// <param name="strXML"></param> /// <returns></returns> public static T GetTByXml<T>(string strXML) where T : class { try { using (StringReader sr = new StringReader(strXML)) { XmlSerializer serializer = new XmlSerializer(typeof(T)); return serializer.Deserialize(sr) as T; } } catch (Exception ex) { //string text=$"xml反序列化实体失败{ex} "; return null; } } /// <summary> /// 格式化xml /// </summary> /// <param name="xml"></param> /// <returns></returns> public static string GetXmlByFormat(string xml) { string resultXml = xml; try { XmlDocument doc = new XmlDocument(); doc.LoadXml(xml); System.IO.StringWriter sw = new System.IO.StringWriter(); using (System.Xml.XmlTextWriter writer = new System.Xml.XmlTextWriter(sw)) { writer.Indentation = 2; // the Indentation writer.Formatting = System.Xml.Formatting.Indented; doc.WriteContentTo(writer); writer.Close(); } resultXml = sw.ToString(); } catch (Exception ex) { resultXml = $"格式化xmlm出错:{ex.Message}"; } return resultXml; } /// <summary> /// 解析XML,匹配替换模板中的内容 /// </summary> /// <param name="content">模板内容</param> /// <param name="obj">模板对应的对象</param> /// <param name="GetType">模板对应的对象的类的类型</param> /// <returns></returns> public static string ParseXML(string content, object obj, Type GetType) { //结束贪婪模式 Regex r = new Regex(@"\{(\w+?)\}"); MatchCollection matches = r.Matches(content); foreach (Match matche in matches) { #region 匹配替换 //提取组 Group g = matche.Groups[1]; //属性名 string key = g.Value; //属性 var property = GetType.GetProperty(key); //属性里面的值 string value = ""; if (property != null) { object proobj = property.GetValue(obj, null); if (proobj != null) { value = proobj.ToString(); } } else { string nullstr = ""; } Regex r1 = new Regex(@"\{" + key + @"\}"); content = r1.Replace(content, value); #endregion } return content; } #endregion Xml相关 #region Json相关 private static JsonSerializerSettings InitSettings(bool camelCasePropertyName) { JsonSerializerSettings jsonSerializerSettings = new JsonSerializerSettings(); JsonConvert.DefaultSettings = new Func<JsonSerializerSettings>(() => { //日期类型默认格式化处理 jsonSerializerSettings.DateFormatHandling = DateFormatHandling.IsoDateFormat; jsonSerializerSettings.DateFormatString = "yyyy-MM-ddTHH:mm:ss.fff"; if (camelCasePropertyName) { //序列化时 指定Key的处理方式，为驼峰式 jsonSerializerSettings.ContractResolver = new CamelCasePropertyNamesContractResolver(); } jsonSerializerSettings.Formatting = Newtonsoft.Json.Formatting.None; //忽略值为空的属性 jsonSerializerSettings.NullValueHandling = NullValueHandling.Ignore; return jsonSerializerSettings; }); return jsonSerializerSettings; } /// <summary> /// 序列化对象到JSON字符串 /// </summary> /// <param name="value">待序列化的对象</param> /// <returns>序列化后的JSON字符串</returns> public static string GetJsonByObject(object value) { return JsonConvert.SerializeObject(value, InitSettings(false)); } /// <summary> /// 序列化对象到JSON字符串，指定Key的处理方式为驼峰命名法 /// </summary> /// <param name="value">待序列化的对象</param> /// <returns>序列化后的JSON字符串</returns> public static string GetJsonByObjectCamelCase(object value) { return JsonConvert.SerializeObject(value, InitSettings(true)); } /// <summary> /// 反序列化JSON字符串到实体对象 /// </summary> /// <typeparam name="T">实体对象类型</typeparam> /// <param name="json">待反序列化的JSON字符串</param> /// <returns>反序列化后的实体对象</returns> public static T GetEntityByJson<T>(string json) { return json == null ? default(T) : JsonConvert.DeserializeObject<T>(json, InitSettings(false)); } /// <summary> /// 反序列化JSON字符串到实体对象，指定Key的处理方式为驼峰命名法 /// </summary> /// <typeparam name="T">实体对象类型</typeparam> /// <param name="json">待反序列化的JSON字符串</param> /// <returns>反序列化后的实体对象</returns> public static T GetEntityByJsonCamelCase<T>(string json) { return json == null ? default(T) : JsonConvert.DeserializeObject<T>(json, InitSettings(true)); } /// <summary> /// 反序列化JSON字符串到对象 /// </summary> /// <param name="json">待反序列化的JSON字符串</param> /// <returns>反序列化后的对象</returns> public static object GetObjectByJson(string json) { return json == null ? null : JsonConvert.DeserializeObject(json, InitSettings(false)); } /// <summary> /// 反序列化JSON字符串到对象，指定Key的处理方式为驼峰命名法 /// </summary> /// <param name="json">待反序列化的JSON字符串</param> /// <returns>反序列化后的对象</returns> public static object GetObjectByJsonCamelCase(string json) { return json == null ? null : JsonConvert.DeserializeObject(json, InitSettings(true)); } #endregion json相关 } }