本文最后更新于 2024-05-07，文章可能存在过时内容，如有过时内容欢迎留言或者联系我进行反馈。

效果展示

​​

代码示例

using System.IO;
using Newtonsoft.Json;

private string ConvertJsonString(string str)
{
    if (!string.IsNullOrEmpty(str))
    {
        try
        {
            //格式化json字符串
            JsonSerializer serializer = new JsonSerializer();
            TextReader tr = new StringReader(str);
            JsonTextReader jtr = new JsonTextReader(tr);
            object obj = serializer.Deserialize(jtr);
            if (obj != null)
            {
                StringWriter textWriter = new StringWriter();
                JsonTextWriter jsonWriter = new JsonTextWriter(textWriter)
                {
                    Formatting = Formatting.Indented,
                    Indentation = 4,
                    IndentChar = ' '
                };
                serializer.Serialize(jsonWriter, obj);
                return textWriter.ToString();
            }
        }
        catch (Exception ex)
        {
            throw ex;
        }
    }
    return str;
}