将 javascript 字典转换为要在 jquery.params 中传递的数组/对象
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Converting javascript dictionary to array/object to be passed in jquery.params
提问by TopCoder
I have a javascript variable which is a dictionary of key-values pairs of querystring. I need to again convert this dictionary into a query string. I am using jquery.param functin but it takes either an array or an object. How can I convert my dictinoary variable to array/object which jquery.params can accept.
我有一个 javascript 变量，它是查询字符串键值对的字典。我需要再次将此字典转换为查询字符串。我正在使用 jquery.param functin 但它需要一个数组或一个对象。如何将我的字典变量转换为 jquery.params 可以接受的数组/对象。
Tried using serializeArray but it does not work.
尝试使用 serializeArray 但它不起作用。
回答by Guffa
The jQuery.parammethod can take an array i in this form:
该jQuery.param方法可以采用以下形式的数组 i：
[{ name: 'asdf', value: '42' },{ name: 'qwerty', value: '1337' }]
If your dictionary have other property names, you can use the jQuery.mapmethod to convert it. Example:
如果您的字典有其他属性名称，您可以使用该jQuery.map方法对其进行转换。例子：
arr = $.map(arr, function(e){
return { name: e.key, value: e.val };
});
回答by Jordan Gray
If I understand your question right (some code samples would help!) by "dictionary" you mean a construction like:
如果我正确理解您的问题（一些代码示例会有所帮助！）“字典”，您的意思是这样的结构：
var dict = { key1: value1, key2: value2 … }or:
或者：
var dict = {};
dict[key1] = value1;
dict[key2] = value2;or possibly:
或者可能：
var dict = {};
dict.key1 = value1;
dict.key2 = value2;If so, you should know that allof these are doing the same thing, i.e. setting properties on JavaScript objects, and should be serialised correctly by jQuery.param. Succinctly, JavaScript objects ≈ dictionaries.
如果是这样，您应该知道所有这些都在做同样的事情，即在 JavaScript 对象上设置属性，并且应该由jQuery.param. 简而言之，JavaScript 对象≈字典。
