VberAdmin_V4/SourceCode/Zero/VberYue.Zero/Tools/StringModel/JsonObjectHelper.cs

using Abp.Logging;

using Newtonsoft.Json;
using Newtonsoft.Json.Converters;
using Newtonsoft.Json.Serialization;

using System.Dynamic;
using System.Xml;

namespace VberZero.Tools.StringModel;

public static class JsonObjectHelper
{
    #region Json

    public static string Obj2String(this object source, bool isCamelCase = true)
    {
        if (source == null)
        {
            return "";
        }
        try
        {
            if (isCamelCase)
            {
                var serializerSettings = new JsonSerializerSettings
                {
                    // 设置为驼峰命名
                    ContractResolver = new CamelCasePropertyNamesContractResolver()
                };
                return JsonConvert.SerializeObject(source, serializerSettings);
            }
            return JsonConvert.SerializeObject(source);
        }
        catch (Exception e)
        {
            LogHelper.LogException(e);
            return "";
        }
    }

    public static T Str2Obj<T>(this string source)
    {
        return GetModel<T>(source);
    }

    public static T Map<T>(this object source)
    {
        if (source == null)
        {
            return default;
        }
        string str = Obj2String(source);
        if (string.IsNullOrEmpty(str))
        {
            return default;
        }
        return GetModel<T>(str);
    }

    public static T GetModel<T>(this string source)
    {
        try
        {
            if (string.IsNullOrEmpty(source))
            {
                return default(T);
            }
            return JsonConvert.DeserializeObject<T>(source);
        }
        catch (Exception e)
        {
            LogHelper.LogException(e);
            return default(T);
        }
    }

    public static T GetObj<T>(this string source, string key = null)
    {
        try
        {
            var converter = new ExpandoObjectConverter();
            var jsonObject = JsonConvert.DeserializeObject<ExpandoObject>(source, converter);
            if (string.IsNullOrEmpty(key))
            {
                T info = JsonConvert.DeserializeObject<T>(source);
                return info;
            }
            object obj = jsonObject.GetValue(key);
            return (T)obj;
        }
        catch (Exception e)
        {
            LogHelper.LogException(e);
            return default(T);
        }
    }

    public static T GetResultModel<T>(this string objStr, bool isLower = true)
    {
        try
        {
            var converter = new ExpandoObjectConverter();
            dynamic jsonObject = JsonConvert.DeserializeObject<ExpandoObject>(objStr, converter);
            if (isLower)
            {
                if (jsonObject.success)
                {
                    T info = JsonConvert.DeserializeObject<T>(JsonConvert.SerializeObject(jsonObject.result));
                    return info;
                }
            }
            else
            {
                if (jsonObject.Success)
                {
                    T info = JsonConvert.DeserializeObject<T>(JsonConvert.SerializeObject(jsonObject.Result));
                    return info;
                }
            }
        }
        catch (Exception e)
        {
            LogHelper.LogException(e);
        }
        return default(T);
    }

    #endregion Json

    #region XML

    /// <summary>
    /// 返回指定节点下信息的JSON格式字符串
    /// </summary>
    /// <param name="str">xml字符串</param>
    /// <param name="nodeName">节点名称，应从根节点开始</param>
    /// <returns></returns>
    public static string Xml2Json(string str, string nodeName)
    {
        XmlDocument xDoc = new XmlDocument();
        xDoc.LoadXml(str);
        XmlNode node = xDoc.SelectSingleNode(nodeName);
        var result = JsonConvert.SerializeXmlNode(node);
        return result;
    }

    /// <summary>
    /// 返回指定节点下信息的JSON格式字符串
    /// </summary>
    /// <param name="node">xml</param>
    /// <param name="nodeName">节点名称，应从根节点开始</param>
    /// <returns></returns>
    public static string Xml2Json(this XmlNode node, string nodeName = null)
    {
        if (nodeName != null && nodeName.NotEmpty())
        {
            node = node.SelectSingleNode(nodeName);
        }
        string result = JsonConvert.SerializeXmlNode(node);
        return result;
    }

    /// <summary>
    /// json转成xml
    /// </summary>
    /// <param name="str"></param>
    /// <returns></returns>
    public static string Json2Xml(string str)
    {
        XmlDocument xml = JsonConvert.DeserializeXmlNode(str);
        string result = xml.OuterXml;
        return result;
    }

    #endregion XML

    /// <summary>
    /// Gets the value.
    /// </summary>
    /// <param name="obj">The object.</param>
    /// <param name="key">The key.</param>
    /// <returns>System.Object.</returns>
    public static dynamic GetValue(this object obj, string key)
    {
        if (obj is List<object> oos)
        {
            foreach (var oo in oos)
            {
                var result = GetValue(oo, key);//递归返回匹配的值
                if (result != null)
                    return result;
            }
        }
        else if (obj is object[] objects)
        {
            foreach (var oo in objects)
            {
                var result = GetValue(oo, key);//递归返回匹配的值
                if (result != null)
                    return result;
            }
        }
        else if (obj is IDictionary<string, object> dictionarys)
        {
            foreach (var dic in dictionarys)
            {
                if (dic.Key == key || dic.Key == key.ToLower() || dic.Key == key.ToUpper())
                    return dic.Value;
            }
            //如果上面的遍历没有结果，则该值可能嵌套在property.Value里面，需要递归解析
            foreach (var dic in dictionarys)
            {
                var result = GetValue(dic.Value, key);//递归返回匹配的值
                if (result != null)
                    return result;
            }
        }
        return null;//没有匹配值，返回null
    }
}