blocks|key|880833|text|嗯，在C#中是类似的。下面是一个最简单的例子(仅适用于公共属性)：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|880834|var+someObject+=+new+{+.../*properties*/...+};
var+propertyInfos+=+someObject.GetType().GetProperties();
foreach+(PropertyInfo+pInfo+in+propertyInfos)
{
++++string+propertyName+=+pInfo.Name;+//gets+the+name+of+the+property
++++doSomething(pInfo.GetValue(someObject,null));
}|code-block|syntax|javascript|880835|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

well, in C# it's similar.
Here's one of the simplest examples (only for public properties):
<pre><code>var someObject = new { .../*properties*/... };
var propertyInfos = someObject.GetType().GetProperties();
foreach (PropertyInfo pInfo in propertyInfos)
{
 string propertyName = pInfo.Name; //gets the name of the property
 doSomething(pInfo.GetValue(someObject,null));
}
</code></pre>

blocks|key|1095661|text|这应该可以做到：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1095662|Type+myType+=+myObject.GetType();
IList<PropertyInfo>+props+=+new+List<PropertyInfo>(myType.GetProperties());

foreach+(PropertyInfo+prop+in+props)
{
++++object+propValue+=+prop.GetValue(myObject,+null);

++++//+Do+something+with+propValue
}|code-block|syntax|javascript|1095663|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

This should do it:

<pre><code>Type myType = myObject.GetType();
IList&lt;PropertyInfo&gt; props = new List&lt;PropertyInfo&gt;(myType.GetProperties());

foreach (PropertyInfo prop in props)
{
 object propValue = prop.GetValue(myObject, null);

 // Do something with propValue
}
</code></pre>

blocks|key|1095681|text|此示例裁剪对象的所有字符串属性。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1095682|public+static+void+TrimModelProperties(Type+type,+object+obj)
{
++++var+propertyInfoArray+=+type.GetProperties(
++++++++++++++++++++++++++++++++++++BindingFlags.Public+%7C+
++++++++++++++++++++++++++++++++++++BindingFlags.Instance);
++++foreach+(var+propertyInfo+in+propertyInfoArray)
++++{
++++++++var+propValue+=+propertyInfo.GetValue(obj,+null);
++++++++if+(propValue+==+null)+
++++++++++++continue;
++++++++if+(propValue.GetType().Name+==+"String")
++++++++++++propertyInfo.SetValue(
+++++++++++++++++++++++++++++obj,+
+++++++++++++++++++++++++++++((string)propValue).Trim(),+
+++++++++++++++++++++++++++++null);
++++}
}|code-block|syntax|javascript|1095683|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

This example trims all the string properties of an object. 

<pre><code>public static void TrimModelProperties(Type type, object obj)
{
 var propertyInfoArray = type.GetProperties(
 BindingFlags.Public | 
 BindingFlags.Instance);
 foreach (var propertyInfo in propertyInfoArray)
 {
 var propValue = propertyInfo.GetValue(obj, null);
 if (propValue == null) 
 continue;
 if (propValue.GetType().Name == "String")
 propertyInfo.SetValue(
 obj, 
 ((string)propValue).Trim(), 
 null);
 }
}
</code></pre>

blocks|key|1095706|text|从属性名称获取特定属性值|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1095707|public+class+Bike{
public+string+Name+{get;set;}
}

Bike+b+=+new+Bike+{Name+=+"MyBike"};|code-block|syntax|javascript|1095708|从属性的字符串名称访问名称的属性值|1095709|public+object+GetPropertyValue(string+propertyName)
{
//returns+value+of+property+Name
return+this.GetType().GetProperty(propertyName).GetValue(this,+null);
}+|1095710|entityMap^0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|N|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|O|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|P|8|@]|9|@]|A|$E|F]]|$1|K|3|-4|5|6|7|Q|8|@]|9|@]|A|$]]]|L|$]]

To get specific property value from property name

<pre><code>public class Bike{
public string Name {get;set;}
}

Bike b = new Bike {Name = "MyBike"};
</code></pre>

to access property value of Name from string name of property 

<pre><code>public object GetPropertyValue(string propertyName)
{
//returns value of property Name
return this.GetType().GetProperty(propertyName).GetValue(this, null);
} 
</code></pre>

blocks|key|1095712|text|void+Test(){
++++var+obj+=+new{a="aaa",+b="bbb"};

++++var+val_a+=+obj.GetValObjDy("a");+//="aaa"
++++var+val_b+=+obj.GetValObjDy("b");+//="bbb"
}
//create+in+a+static+class
static+public+object+GetValObjDy(this+object+obj,+string+propertyName)
{++++++++++++
+++++return+obj.GetType().GetProperty(propertyName).GetValue(obj,+null);
}|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|1095713|unstyled|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|G|8|@]|9|@]|A|$B|C]]|$1|D|3|-4|5|E|7|H|8|@]|9|@]|A|$]]]|F|$]]

<pre><code>void Test(){
 var obj = new{a="aaa", b="bbb"};

 var val_a = obj.GetValObjDy("a"); //="aaa"
 var val_b = obj.GetValObjDy("b"); //="bbb"
}
//create in a static class
static public object GetValObjDy(this object obj, string propertyName)
{ 
 return obj.GetType().GetProperty(propertyName).GetValue(obj, null);
}
</code></pre>

blocks|key|880916|text|我还没有找到这方面的工作，比如说应用程序对象。然而，我已经成功地使用了|type|unstyled|depth|inlineStyleRanges|entityRanges|data|880917|var+serializer+=+new+System.Web.Script.Serialization.JavaScriptSerializer();

string+rval+=+serializer.Serialize(myAppObj);|code-block|syntax|javascript|880918|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

I haven't found this to work on, say Application objects. I have however had success with

<pre><code>var serializer = new System.Web.Script.Serialization.JavaScriptSerializer();

string rval = serializer.Serialize(myAppObj);
</code></pre>

blocks|key|880926|text|您可以尝试这样做：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|880927|string[]+arr+=+((IEnumerable)obj).Cast<object>()
+++++++++++++++++++++++++++++++++.Select(x+=>+x.ToString())
+++++++++++++++++++++++++++++++++.ToArray();|code-block|syntax|javascript|880928|一旦每个阵列实现了IEnumerable接口|880929|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|L|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|M|8|@]|9|@]|A|$]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

You can try this:

<pre><code>string[] arr = ((IEnumerable)obj).Cast&lt;object&gt;()
 .Select(x =&gt; x.ToString())
 .ToArray();
</code></pre>

Once every array implements IEnumerable interface

blocks|key|1095758|text|使用Linq的单行解决方案...|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1095759|var+obj+=+new+{Property1+=+1,+Property2+=+2};
var+property1+=+obj.GetType().GetProperties().First(o+=>+o.Name+==+"Property1").GetValue(obj+,+null);|code-block|syntax|javascript|1095760|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

One line solution using Linq...
<pre class="lang-cs prettyprint-override"><code>var obj = new {Property1 = 1, Property2 = 2};
var property1 = obj.GetType().GetProperties().First(o =&gt; o.Name == &quot;Property1&quot;).GetValue(obj , null);
</code></pre>

blocks|key|1095768|text|public+Dictionary<string,+string>+ToDictionary(object+obj)
{
++++Dictionary<string,+string>+dictionary+=+new+Dictionary<string,+string>();

++++Type+objectType+=+obj.GetType();
++++IList<PropertyInfo>+props+=+new+List<PropertyInfo>(objectType.GetProperties());

++++foreach+(PropertyInfo+prop+in+props)
++++{
++++++++object+propValue+=+prop.GetValue(obj,+null);
++++++++dictionary.Add(prop.Name,+propValue.ToString());
++++}

++++return+dictionary;
}|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|1095769|unstyled|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|G|8|@]|9|@]|A|$B|C]]|$1|D|3|-4|5|E|7|H|8|@]|9|@]|A|$]]]|F|$]]

<pre><code>public Dictionary&lt;string, string&gt; ToDictionary(object obj)
{
 Dictionary&lt;string, string&gt; dictionary = new Dictionary&lt;string, string&gt;();

 Type objectType = obj.GetType();
 IList&lt;PropertyInfo&gt; props = new List&lt;PropertyInfo&gt;(objectType.GetProperties());

 foreach (PropertyInfo prop in props)
 {
 object propValue = prop.GetValue(obj, null);
 dictionary.Add(prop.Name, propValue.ToString());
 }

 return dictionary;
}
</code></pre>

blocks|key|1095771|text|++++///+get+set+value+field+in+object+to+object+new+(two+object++field+like+)+

++++public+static+void+SetValueObjectToObject+(object+sourceObj+,+object+resultObj)
++++{
++++++++IList<PropertyInfo>+props+=+new+List<PropertyInfo>(sourceObj.GetType().GetProperties());
++++++++foreach+(PropertyInfo+prop+in+props)
++++++++{
++++++++++++try
++++++++++++{
++++++++++++++++//get+value+in+sourceObj
++++++++++++++++object+propValue+=+prop.GetValue(sourceObj,+null);
++++++++++++++++//set+value+in+resultObj
++++++++++++++++PropertyInfo+propResult+=+resultObj.GetType().GetProperty(prop.Name,+BindingFlags.Public+%7C+BindingFlags.Instance);
++++++++++++++++if+(propResult+!=+null+&&+propResult.CanWrite)
++++++++++++++++{
++++++++++++++++++++propResult.SetValue(resultObj,+propValue,+null);
++++++++++++++++}
++++++++++++}
++++++++++++catch+(Exception+ex)
++++++++++++{++
++++++++++++++++//+do+something+with+Ex
++++++++++++}
++++++++}
++++}|type|code-block|depth|inlineStyleRanges|entityRanges|data|syntax|javascript|1095772|unstyled|entityMap^0|0^^$0|@$1|2|3|4|5|6|7|G|8|@]|9|@]|A|$B|C]]|$1|D|3|-4|5|E|7|H|8|@]|9|@]|A|$]]]|F|$]]

<pre><code> /// get set value field in object to object new (two object field like ) 

 public static void SetValueObjectToObject (object sourceObj , object resultObj)
 {
 IList&lt;PropertyInfo&gt; props = new List&lt;PropertyInfo&gt;(sourceObj.GetType().GetProperties());
 foreach (PropertyInfo prop in props)
 {
 try
 {
 //get value in sourceObj
 object propValue = prop.GetValue(sourceObj, null);
 //set value in resultObj
 PropertyInfo propResult = resultObj.GetType().GetProperty(prop.Name, BindingFlags.Public | BindingFlags.Instance);
 if (propResult != null &amp;&amp; propResult.CanWrite)
 {
 propResult.SetValue(resultObj, propValue, null);
 }
 }
 catch (Exception ex)
 { 
 // do something with Ex
 }
 }
 }
</code></pre>

From the world of PHP I have decided to give C# a go. I've had a search but can't seem to find the answer of how to do the equivalent to this.

<pre><code>$object = new Object();

$vars = get_class_vars(get_class($object));

foreach($vars as $var)
{
 doSomething($object-&gt;$var);
}
</code></pre>

I basically have a List of an object. The object could be one of three different types and will have a set of public properties. I want to be able to get a list of the properties for the object, loop over them and then write them out to a file.
I'm thinking this has something to do with c# reflection but it's all new to me.

Any help would be greatly appreciated.

Get properties and values from unknown object

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

文章

问答

视频

学习中心

腾讯云实验室

直播

竞赛

腾讯云代码分析专区

腾讯iOA零信任安全管理系统专区

腾讯云架构师技术同盟交流圈

腾讯云数据库专区

腾讯云顾问专区

腾讯云原生专区

腾讯混元专区

腾讯云TCE专区

腾讯云Lighthouse专区

腾讯云HAI专区

腾讯云Edgeone专区

腾讯云存储专区

腾讯云智能专区

腾讯轻联专区 

腾讯云开发专区

TAPD专区

腾讯轻量云游戏服专区

腾讯云最具价值专家

腾讯云架构师技术同盟

腾讯云创作之星

腾讯云开发者先锋

腾讯云代码助手

云原生构建

TAPD 敏捷项目管理

Cloud Studio

SDK中心

API中心

命令行工具

涵盖代码开发、场景应用、自动测试全流程，助你从零构建专属AI助手

一站式MCP教程库，解锁AI应用新玩法

在PHP的世界里，我决定尝试一下C#。我已经搜索过了，但似乎找不到如何做与此等效的答案。$object = new Object();$vars = get_class_vars(get_class($object));foreach($vars as $var){    doSomething($object->$v...

问从未知对象获取属性和值
EN

社区

活动

圈层

关于

腾讯云开发者

热门产品

热门推荐

更多推荐

问从未知对象获取属性和值EN

社区

活动

圈层

关于

腾讯云开发者

热门产品

热门推荐

更多推荐

问从未知对象获取属性和值
EN