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  • JsonHelper MergeJsonTemplate

    
    namespace Test
    {
        using Newtonsoft.Json;
        using System;
        using System.Collections.Generic;
        using System.IO;
        using System.Linq;
        using Microshaoft;
        using Newtonsoft.Json.Linq;
        class Program
        {
            static void Main(string[] args)
            {
                string json = @"
    { a: [{a:'asdasd',b:2222},{a:'@a.[2].a'},{a:'ssss'}]}
    ";
                string json2 = @"
    {a:['asdasd','aaaa',{a:1111}]}
    ";
                Console.WriteLine
                            (
                                JsonHelper
                                    .MergeJsonTemplate
                                        (
                                            json
                                            , json2
                                        )
                            );
                Console.ReadLine();
            }
            static void Main2(string[] args)
            {
                string json = @"{ 'name10': 
    'Admin' }
    [{ 'name9': 'Publisher' }][
    { 'name4': 'Admin' },{ 'name8': ['Admin'] }]{ 'name7': 
    'Admin' }
    [{ 'name3': ['Publisher','Publisher'] }]{ 'name5': 
    'Admin' }
    [{ 'name2': 'Publisher' }]{ 'name6': 
    'Admin' }
    [{ 'name1': 'Publisher' }]";
                JsonTextReader reader = new JsonTextReader(new StringReader(json));
                var r = reader.ReadAllMultipleContentsAsEnumerable<JObject>().ToArray();
                reader = new JsonTextReader(new StringReader(json));
                r = reader
                        .ReadMultipleContentsAsEnumerable<JObject>(3)
                        .SelectMany
                            (
                                (x) =>
                                {
                                    return x;
                                }
                            ).ToArray();
                Console.ReadLine();
            }
            static void Main1(string[] args)
            {
                string json = @"{ 'name': 
    'Admin',c:1111111 }
    [{ 'name': 'Publisher' }][
    { 'name': 'Admin' },{ 'name': 'Admin' }]{ 'name': 
    'Admin' }
    [{ 'name': 'Publisher' }]{ 'name': 
    'Admin' }
    [{ 'name': 'Publisher' }]{ 'name': 
    'Admin' }
    [{ 'name': 'Publisher' }]";
                IList<Role> roles = new List<Role>();
                JsonTextReader reader = new JsonTextReader(new StringReader(json));
                var r = reader.ReadAllMultipleContentsAsEnumerable<Role>().ToArray();
                reader = new JsonTextReader(new StringReader(json));
                r = reader
                        .ReadMultipleContentsAsEnumerable<Role>(3)
                        .SelectMany
                            (
                                (x) =>
                                {
                                    return x;
                                }
                            ).ToArray();
                Console.ReadLine();
            }
        }
        public class Role
        {
            public string Name { get; set; }
        }
    }
    namespace Microshaoft
    {
        using Newtonsoft.Json;
        using Newtonsoft.Json.Linq;
        using System;
        using System.IO;
        using System.Linq;
        using System.Xml.Linq;
        using System.Collections.Generic;
        public static class JsonHelper
        {
            public static JToken MergeJsonTemplateToJToken
                            (
                                string jsonTemplate
                                , string jsonData
                                , string jsonTemplatePathPrefix = "@"
                            )
            {
                var jTokenTemplate = JToken.Parse(jsonTemplate);
                var jTokenData = JToken.Parse(jsonData);
                JsonReaderHelper
                        .ReadAllPaths
                            (
                                jsonTemplate
                                , (isJArray, jsonPath, valueObject, valueType, reader) =>
                                {
                                    var vs = valueObject as string;
                                    if (vs != null)
                                    {
                                        vs = vs.Trim();
                                        if (vs.StartsWith(jsonTemplatePathPrefix))
                                        {
                                            var replacedSelectToken = jTokenTemplate.SelectToken(jsonPath);
                                            var trimChars = jsonTemplatePathPrefix.ToCharArray();
                                            vs = vs.TrimStart(trimChars);
                                            var replacementSelectToken = jTokenData.SelectToken(vs);
                                            replacedSelectToken.Replace(replacementSelectToken);
                                        }
                                    }
                                    return false;
                                }
                            );
                return jTokenTemplate;
            }
            public static string MergeJsonTemplate
                    (
                        string jsonTemplate
                        , string jsonData
                        , string jsonTemplatePathPrefix = "@"
                    )
            {
                return
                        MergeJsonTemplateToJToken
                                    (
                                        jsonTemplate
                                        , jsonData
                                        , jsonTemplatePathPrefix
                                    )
                                    .ToString();
            }
            public static string XmlToJson
                                    (
                                        string xml
                                        , Newtonsoft
                                                .Json
                                                .Formatting formatting
                                                                = Newtonsoft
                                                                        .Json
                                                                        .Formatting
                                                                        .Indented
                                        , bool needKeyQuote = false
                                    )
            {
                XNode xElement;
                xElement = XElement.Parse(xml).Elements().First();
                string json = string.Empty;
                using (var stringWriter = new StringWriter())
                {
                    using (var jsonTextWriter = new JsonTextWriter(stringWriter))
                    {
                        jsonTextWriter.Formatting = formatting;
                        jsonTextWriter.QuoteName = needKeyQuote;
                        var jsonSerializer = new JsonSerializer();
                        jsonSerializer.Serialize(jsonTextWriter, xElement);
                        json = stringWriter.ToString();
                    }
                }
                return json;
            }
            public static string JsonToXml
                            (
                                string json
                                , bool needRoot = false
                                , string defaultDeserializeRootElementName = "root"
                            )
            {
                if (needRoot)
                {
                    json = string.Format
                                    (
                                        @"{{ {1}{0}{2} }}"
                                        , " : "
                                        , defaultDeserializeRootElementName
                                        , json
                                    );
                }
                //XmlDocument xmlDocument = JsonConvert.DeserializeXmlNode(json, defaultDeserializeRootElementName);
                var xDocument = JsonConvert
                                        .DeserializeXNode
                                            (
                                                json
                                                , defaultDeserializeRootElementName
                                            );
                var xml = xDocument
                                .Elements()
                                .First()
                                .ToString();
                return xml;
            }
            public static T DeserializeByJTokenPath<T>
                (
                    string json
                    , string jTokenPath = null //string.Empty
                )
            {
                var jObject = JObject.Parse(json);
                var jsonSerializer = new JsonSerializer();
                if (string.IsNullOrEmpty(jTokenPath))
                {
                    jTokenPath = string.Empty;
                }
                var jToken = jObject.SelectToken(jTokenPath);
                using (var jsonReader = jToken.CreateReader())
                {
                    return
                        jsonSerializer
                            .Deserialize<T>(jsonReader);
                }
            }
            public static string Serialize
                                    (
                                        object target
                                        , bool formattingIndented = false
                                        , bool keyQuoteName = false
                                    )
            {
                string json = string.Empty;
                using (StringWriter stringWriter = new StringWriter())
                {
                    using (var jsonTextWriter = new JsonTextWriter(stringWriter))
                    {
                        jsonTextWriter.QuoteName = keyQuoteName;
                        jsonTextWriter.Formatting = (formattingIndented ? Formatting.Indented : Formatting.None);
                        var jsonSerializer = new JsonSerializer();
                        jsonSerializer.Serialize(jsonTextWriter, target);
                        json = stringWriter.ToString();
                    }
                }
                return json;
            }
            public static void ReadJsonPathsValuesAsStrings
                                (
                                    string json
                                    , string[] jsonPaths
                                    , Func<string, string, bool> onReadedOncePathStringValueProcesssFunc = null
                                )
            {
                using (var stringReader = new StringReader(json))
                {
                    using (var jsonReader = new JsonTextReader(stringReader))
                    {
                        bool breakAndReturn = false;
                        while
                            (
                                jsonReader.Read()
                                &&
                                !breakAndReturn
                            )
                        {
                            foreach (var x in jsonPaths)
                            {
                                if (x == jsonReader.Path)
                                {
                                    if (onReadedOncePathStringValueProcesssFunc != null)
                                    {
                                        var s = jsonReader.ReadAsString();
                                        breakAndReturn
                                                = onReadedOncePathStringValueProcesssFunc
                                                        (
                                                            x
                                                            , s
                                                        );
                                        if (breakAndReturn)
                                        {
                                            break;
                                        }
                                    }
                                }
                            }
                        }
                    }
                }
            }
            public static IEnumerable<TElement>
                                DeserializeToFromDictionary<TKey, TValue, TElement>
                                            (
                                                string json
                                                , Func<TKey, TValue, TElement> OnOneElementProcessFunc
                                            )
            {
                //IEnumerable<TElement> r = default(IEnumerable<TElement>);
                return
                        DeserializeByJTokenPath<Dictionary<TKey, TValue>>(json)
                            .Select
                                (
                                    (x) =>
                                    {
                                        var rr = OnOneElementProcessFunc(x.Key, x.Value);
                                        return rr;
                                    }
                                );
                //return r;
            }
        }
    }
    namespace Microshaoft
    {
        using Newtonsoft.Json;
        using Newtonsoft.Json.Linq;
        using System.Collections.Generic;
        using System;
        using System.IO;
        public static class JsonReaderHelper
        {
            public static void ReadAllPaths
                        (
                            string json
                            , Func<bool, string, object, Type, JsonReader, bool> onReadPathOnceProcessFunc
                        )
            {
                using (JsonReader reader = new JsonTextReader(new StringReader(json)))
                {
                    var isStarted = false;
                    var isJArray = false;
                    while (reader.Read())
                    {
                        JsonToken tokenType = reader.TokenType;
                        if (!isStarted)
                        {
                            if (tokenType == JsonToken.StartArray)
                            {
                                isJArray = true;
                                isStarted = true;
                            }
                            else if (tokenType == JsonToken.StartArray)
                            {
                                isStarted = true;
                            }
                            else if (tokenType == JsonToken.StartConstructor)
                            {
                                isStarted = true;
                            }
                        }
                        if
                            (
                                tokenType != JsonToken.Comment
                                &&
                                tokenType != JsonToken.PropertyName
                            )
                        {
                            var jsonPath = reader.Path;
                            if (!string.IsNullOrEmpty(jsonPath))
                            {
                                var valueType = reader.ValueType;
                                var valueObject = reader.Value;
                                if (valueType != null)
                                {
                                    var r = onReadPathOnceProcessFunc
                                                    (
                                                        isJArray
                                                        , jsonPath
                                                        , valueObject
                                                        , valueType
                                                        , reader
                                                    );
                                    if (r)
                                    {
                                        break;
                                    }
                                }
                            }
                        }
                    }
                    reader.Close();
                }
            }
            public static void ReadAllMultipleContents
                                            (
                                                this JsonReader target
                                            )
            {
                if (!target.SupportMultipleContent)
                {
                    target.SupportMultipleContent = true;
                }
                var serializer = new JsonSerializer();
                //serializer.CheckAdditionalContent
                while (target.Read())
                {
                    Console.WriteLine(target.TokenType);
                    var r = serializer.Deserialize(target);
                    Console.WriteLine(r.GetType());
                    Console.WriteLine(r.ToString());
                }
            }
            public static IEnumerable<JToken> ReadMultipleContents
                                                    (
                                                        this JsonReader target
                                                    )
            {
                if (!target.SupportMultipleContent)
                {
                    target.SupportMultipleContent = true;
                }
                var serializer = new JsonSerializer();
                while (target.Read())
                {
                    if (target.TokenType == JsonToken.StartObject)
                    {
                        JToken entry = serializer.Deserialize<JToken>(target);
                        yield return entry;
                    }
                    else if (target.TokenType == JsonToken.StartArray)
                    {
                        JArray entries = serializer.Deserialize<JArray>(target);
                        foreach (var entry in entries)
                        {
                            if (entry is JArray)
                            {
                                //Console.WriteLine();
                            }
                            yield return (JToken)entry;
                        }
                    }
                }
            }
            public static IEnumerable<IEnumerable<T>> ReadMultipleContentsAsEnumerable<T>
                            (
                                this JsonReader target
                                , int pageSize = 10
                            )
            {
                if (!target.SupportMultipleContent)
                {
                    target.SupportMultipleContent = true;
                }
                var serializer = new JsonSerializer();
                var list = new List<T>();
                var i = 0;
                while (target.Read())
                {
                    if (target.TokenType == JsonToken.StartArray)
                    {
                        var entries = serializer.Deserialize<T[]>(target);
                        foreach (var entry in entries)
                        {
                            if (i < pageSize)
                            {
                                i++;
                                list.Add(entry);
                            }
                            if (i >= pageSize)
                            {
                                yield return list;
                                list.Clear();
                                i = 0;
                            }
                        }
                    }
                    else
                    {
                        var entry = serializer.Deserialize<T>(target);
                        if (i < pageSize)
                        {
                            i++;
                            list.Add(entry);
                        }
                        if (i >= pageSize)
                        {
                            yield return list;
                            list.Clear();
                            i = 0;
                        }
                    }
                }
                if (i > 0)
                {
                    yield return list;
                    list.Clear();
                    i = 0;
                    list = null;
                }
            }
            public static IEnumerable<T> ReadAllMultipleContentsAsEnumerable<T>(this JsonReader target)
            {
                if (!target.SupportMultipleContent)
                {
                    target.SupportMultipleContent = true;
                }
                var serializer = new JsonSerializer();
                while (target.Read())
                {
                    if (target.TokenType == JsonToken.StartArray)
                    {
                        var entries = serializer.Deserialize<T[]>(target);
                        foreach (var entry in entries)
                        {
                            yield return entry;
                        }
                    }
                    else
                    {
                        var entry = serializer.Deserialize<T>(target);
                        yield return entry;
                    }
                }
            }
        }
    }
    
    
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  • 原文地址:https://www.cnblogs.com/Microshaoft/p/6158129.html
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