[英]Sending and receiving JSON object through DWR
I am using DWR in my project for AJAX calls. 我在我的项目中使用DWR进行AJAX调用。 DWR converts javascript objects to java objects by reading the java class.
DWR通过读取java类将javascript对象转换为java对象。 I want to send and receive JSON like structure through DWR.
我想通过DWR发送和接收类似结构的JSON。
Eg: 例如:
JS Object: JS对象:
{
"name" : "TamilVendhan",
"age" : "24",
"hobbies" : [
"gaming",
"gaming",
"gaming"
],
"address" : {
"doorNo" : "122",
"city" : "Banglore",
"state" : "Karnataka",
"country" : "india"
}
}
The above js object could be converted to Java as below : 上面的js对象可以转换为Java,如下所示:
Map<String, Object> map = new HashMap<String, Object>();
map.put("name", "TamilVendhan");
map.put("age", "24");
List<String> list = new ArrayList<String>();
list.add("gaming");
list.add("gaming");
list.add("gaming");
map.put("hobbies", list);
Map<String, Object> addr = new HashMap<String, Object>();
addr.put("doorNo",122);
addr.put("city", "banglore");
addr.put("state", "Karnataka");
addr.put("country", "India");
map.put("address", addr);
Is this possible with DWR. 这可能与DWR有关。 If possible, give me some pointers!
如果可能的话,给我一些指示!
Thanks! 谢谢!
Update: 更新:
Converting JS objects into Map<String, Object>
is possible in DWR. 在DWR中可以将JS对象转换为
Map<String, Object>
。 But its one(1st) level only. 但它只有一(1)级。 If you have any nested objects/array, it will not be converted and ends in
conversion error
. 如果您有任何嵌套对象/数组,它将不会被转换并以
conversion error
结束。
DWR的最新版本有JSON支持,你需要传递的init-参数有关的DWR Servlet来实现在web.xml的更多信息,可以发现在 ,也为DWR有一个很好的书命名为“DWR Java的Ajax应用程序” 。
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