Question

I m trying to convert a Javascript array in Java to a Java array. I m using the javax.script package. I tested this example here, but the type "NativeArray" was not recognized: https://stackoverflow.com/a/1433489/975097

我怎样才能承认土著阿雷特人身份?

Answer 1

Per this answer it looks like your best bet is to write a JavaScript converter function which transforms the native JavaScript array into a Java array using Rhino s Java binding functionality. Note that you ll have to take some care to use the correct type when converting the individual elements.

[Edit] Here s a working example using a string array:

ScriptEngine js = new ScriptEngineManager().getEngineByName("JavaScript");
String ss[] = (String[]) js.eval(
    "(function() {" +
    "  var a = java.lang.reflect.Array.newInstance(java.lang.String, 3);" +
    "  a[0] =  foo ;" +
    "  a[1] =  bar ;" +
    "  a[2] =  gah ;" +
    "  return a;" +
    "})()");
System.out.println(Arrays.toString(ss)); // => [foo, bar, gah]

Answer 2

Rhino offers this:

https://developer.mozilla.org/en-US/docs/Mozilla/projects/Rhino/Embevention_tutorial#usingJSObjs”rel=“nofollow”>https://developer.mozilla.org/en-US/docs/Mozilla/projects/Rhino/Embevention_tutorial#usingJSObjs

也可提供()和(或)可证明的接口,以便你能够轻易地列举物体的特性并添加到一个阵列中:

Scriptable arr = (Scriptable) result;
Object [] array = new Object[arr.getIds().length];
for (Object o : arr.getIds()) {
   int index = (Integer) o;
   array[index] = arr.get(index, null);
}

由于这似乎是一种Rhino具体的事情,因此Same事物但不使用原住民阿雷。你可以轻松地放弃一分点,看看你在哪一类物体被降级。它有某种类似于土著阿雷拉的JAray执行。

Answer 3

我建议。 Doug Crockfords JSON-java Library。这使你能够将json改装成本土的JAVA物体。

Answer 4

I would simply use json-lib and parse the array that way. for example see How to parse a JSON and turn its values into an Array?

友情链接