如何修改C＃中的JSON内容？

Question

我已经成功拦截IIS7/ASP.NET应用程序中的HTTP Web请求，并使用HttpModule我检测到内容类型为“application/json charset = UTF-8”。我使用Proxy tool来确定JSON内容的样子。

我正在使用HttpModule拦截此Web请求，我想修改JSON内容。

我的问题是：如何将JSON内容提取到JSON对象中，对其进行修改，并使用我的更改更新原始Web请求？

例如，假设JSON内容看起来像

{ 
    "glossary": { 
     "title": "example glossary", 
     "GlossDiv": { 
      "title": "S", 
      "GlossList": { 
       "GlossEntry": { 
        "ID": "SGML", 
        "SortAs": "SGML", 
        "GlossTerm": "Standard Generalized Markup Language", 
        "Acronym": "SGML", 
        "Abbrev": "ISO 8879:1986", 
        "GlossDef": { 
         "para": "A meta-markup language, used to create markup languages such as DocBook.", 
         "GlossSeeAlso": ["GML", "XML"] 
        }, 
        "GlossSee": "markup" 
       } 
      } 
     } 
    } 
} 

然后，我想做的事是：

{ 
    "glossary": { 
     "title": "example glossary", 
     "GlossDiv": { 
      "title": "S", 
      "GlossList": { 
       "GlossEntry": { 
        "ID": "C H A N G E 1", 
        "SortAs": "C H A N G E 2", 
        "GlossTerm": "Standard Generalized Markup Language", 
        "Acronym": "SGML", 
        "Abbrev": "ISO 8879:1986", 
        "GlossDef": { 
         "para": "A meta-markup language, used to create markup languages such as DocBook.", 
         "GlossSeeAlso": ["AAA", "BBB", "CCC"] 
        }, 
        "GlossSee": "markup" 
       } 
      } 
     } 
    } 
} 

我使用C＃代码来实现的HttpModule。

Answer 1

使用Newtonsoft.Json，你可以这样做：

dynamic json = JObject.Parse("{'glossary':{'title':'example glossary','GlossDiv':{'title':'S','GlossList':{'GlossEntry':{'ID':'C H A N G E 1','SortAs':'C H A N G E 2','GlossTerm':'Standard Generalized Markup Language','Acronym':'SGML','Abbrev':'ISO 8879:1986','GlossDef':{'para':'A meta-markup language, used to create markup languages such as DocBook.','GlossSeeAlso':['AAA','BBB','CCC']},'GlossSee':'markup'}}}}}"); 

json.glossary.GlossDiv.GlossList.GlossEntry.ID = 1234; 
json.glossary.GlossDiv.GlossList.GlossEntry.SortAs = "abcde"; 

string result = json.ToString();