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public class JsonTest {
public static void main(String[] args) {
//{"item":{"orderId":"219761"},"code":0}
Map<String,Object> map = new HashMap<String, Object>();
TestTo item = new TestTo();
item.setOrderId("219761");
map.put("item", item);
map.put("code", 0);
JSONObject jsonObj = JSONObject.fromObject(map);
String s = jsonObj.toString();
JSONObject jsonObject = new JSONObject(s);
System.out.println(jsonObject.getString("item"));
}
}
public class TestTo {
public String orderId;
public String getOrderId() {
return orderId;
}
public void setOrderId(String orderId) {
this.orderId = orderId;
}
}
}
我测试了下没有问题啊可以获取