首页 \ 问答 \ HTML编码的字符串可以转换为JSON吗？(Can an HTML encoded string be converted to JSON?)

HTML编码的字符串可以转换为JSON吗？(Can an HTML encoded string be converted to JSON?)

 我从服务器获取编码数据，使用.NET WebUtility.HtmlEncode编码。  
 然后显示该数据，并且需要将其发送回服务器以进行某些操作。 在此期间，它在使用JSON.stringify发送之前转换为JSON。 到目前为止一切正常。  
 但是，一旦到达服务器，它就会因为潜在的危险而被拒绝。 转换为JSON的对象可以包含具有特殊字符的字符串，例如 -  
 “这是John＆＃39s帐户”最初“这是John的帐户”  
 或者“约翰收入＆＃165”最初“约翰以¥收入”  
 我相信这些编码的字符串值会干扰正确形成的JSON。  
 在Javascript中我有什么方法可以JSONify HTML编码的字符串？  
 编辑：如果不清楚，当我执行JSON.stringify（数据）时，数据已经编码。 我的数据的一个例子 -  
 row [0] = {column1，column2，column3}其中每列是HTML编码的字符串，例如“This is John＆＃39s account” 

I'm getting encoded data from the server, which is encoded using .NETs WebUtility.HtmlEncode. 
This data is then displayed and needs to be sent back to the server for some operations. During this time, it is converted to JSON before being sent over using JSON.stringify. All works fine so far. 
However, once this reaches the server, it is rejected due to being potentially dangerous. The object that is converted to JSON can have strings with special chars such as -  
"This is John&#39s account" originally "This is John's account" 
Or "John earns in &#165" originally "John earns in ¥" 
My belief is that these encoded string values are interfering with the JSON being properly formed.  
Is there any way in Javascript that I can JSONify HTML encoded strings? 
EDIT: In case it's not clear, the data is already encoded when i do JSON.stringify(data). An example of my data - 
row[0] = {column1, column2, column3} Where each column is an HTML encoded string such as "This is John&#39s account"

原文：https://stackoverflow.com/questions/16323358

更新时间：2023-10-14 20:10

最满意答案

 你必须提供你自己的比较函数，当实例化地图时，它必须作为第三个模板参数传递。 例如：  
struct Comp
{
  bool operator()(const std::string& lhs, const std::string& rhs) const
  {
    // implement your comparison logic here
  }
};
 
 这个类的实例是可调用的（因此“functor”）带有两个字符串参数，并且应该基于严格的弱排序逻辑返回true或false。  
 然后使用函子类型实例化地图：  
std::map<string, list<pair<string, int>>, Comp> List;
 
 现在，地图将在内部使用您的比较逻辑来定义其元素的排序。 

You have to provide your own comparison functor, which must be passed as 3rd template parameter when instantiating the map. For example: 
struct Comp
{
  bool operator()(const std::string& lhs, const std::string& rhs) const
  {
    // implement your comparison logic here
  }
};
 
Instances of this class is callable (hence "functor") with two string parameters, and should return true or false based in a strict weak ordering logic. 
Then instantiate the map using the functor type: 
std::map<string, list<pair<string, int>>, Comp> List;
 
Now the map will use your comparison logic internally to define the ordering of its elements.

HTML编码的字符串可以转换为JSON吗？(Can an HTML encoded string be converted to JSON?)

最满意答案

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