将数据显示到调试控制台 [英] Display data to Debug Console
本文介绍了将数据显示到调试控制台的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
我正在为UWP编写应用程序
I writing app for UWP
我有这个代码
var p = await wc.GetProducts(new Dictionary<string, string>() {
{ "orderby", "id" }, { "filter[search]", "1884" }
});
我试图像这样显示字典中的数据.
I try to display data from dictionary like this.
Debug.WriteLine("There");
Debug.WriteLine(p.products);
但这不起作用.
如何显示字典数据?
推荐答案
使用以下扩展类(需要Newtonsoft JSON库),您可以获取具有或不具有可读格式的任何对象的JSON字符串.
Using the below extension class (Requires Newtonsoft JSON library) you can get a JSON string of any object either with or without readable formatting.
使用该类获取可读的JSON字符串;
Using the class to get a readable JSON string;
var p = await wc.GetProducts(new Dictionary<string, string>() {
{ "orderby", "id" }, { "filter[search]", "1884" }
});
var jsonString = p.ToFormattedJsonString();
Debug.WriteLine(jsonString);
使用该类获取不带格式的纯JSON字符串;
Using the class to get a plain JSON string without format;
var p = await wc.GetProducts(new Dictionary<string, string>() {
{ "orderby", "id" }, { "filter[search]", "1884" }
});
var jsonString = p.ToJsonString();
Debug.WriteLine(jsonString);
您也可以通过添加自己的扩展方法(例如下面的内容)简化上面的内容;
You can also simplfy the above by adding your own extension method such as the below;
public static void ToDebug(this object data)
{
Debug.WriteLine(data.ToFormattedJsonString());
}
扩展类;
using System.Text;
using Newtonsoft.Json;
namespace System
{
public static class JsonExtensions
{
public static string ToFormattedJsonString(this object obj, bool indentWithTab)
{
return indentWithTab
? ToFormattedJsonString(obj, "\t")
: ToFormattedJsonString(obj);
}
public static string ToFormattedJsonString(this object obj, string indentString = " ")
{
return FormatJson(obj.ToJsonString(), indentString);
}
public static string ToJsonString(this object obj)
{
return JsonConvert.SerializeObject(obj);
}
public static T DeserializeJsonString<T>(this string jsonString)
{
return JsonConvert.DeserializeObject<T>(jsonString);
}
private static string FormatJson(string jsonString, string indentString)
{
var indent = 0;
var quoted = false;
var builder = new StringBuilder();
for (var i = 0; i < jsonString.Length; i++)
{
var character = jsonString[i];
switch (character)
{
case '{':
case '[':
builder.Append(character);
if (!quoted)
{
builder.AppendLine();
builder.RepeatAppend(++indent, indentString);
}
break;
case '}':
case ']':
if (!quoted)
{
builder.AppendLine();
builder.RepeatAppend(--indent, indentString);
}
builder.Append(character);
break;
case '"':
builder.Append(character);
bool escaped = false;
var index = i;
while (index > 0 && jsonString[--index] == '\\')
escaped = !escaped;
if (!escaped)
quoted = !quoted;
break;
case ',':
builder.Append(character);
if (!quoted)
{
builder.AppendLine();
builder.RepeatAppend(indent, indentString);
}
break;
case ':':
builder.Append(character);
if (!quoted)
builder.Append(" ");
break;
default:
builder.Append(character);
break;
}
}
return builder.ToString();
}
public static StringBuilder RepeatAppend(this StringBuilder builder, int count, string format,
params object[] parameters)
{
if (count <= 0 || string.IsNullOrEmpty(format))
return builder;
for (int i = 0; i < count; i++)
{
builder.AppendFormat(format, parameters);
}
return builder;
}
}
}
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