GWT：使用JSNI JsArrayString解析JavaScript关联数组

I am using JSNI to pass some parameters to the GWT app, so far I have managed to pass a simple String array (JsArrayString) but I would like to pass an associative array though and don't know how to extract the data with the keys (I've managed to pass the array on to the GWT app but can't parse it), like this:I am using JSNI to pass some parameters to the