[英]POJO to JSON in Play framework
Trying to get Play 2.0 to return JSON from a POJO. 尝试获取Play 2.0以从POJO返回JSON。 But I recieve the error
但我收到错误
The method toJson(Writes<A>) in the type Json is not applicable for the arguments (Product)
And my code is: 我的代码是:
public static Result index(String date) {
Product item = new Product();
return ok(Json.toJson(item));
}
Any ideas? 有任何想法吗?
Make sure you import the right Json
class using import play.libs.Json
. 确保使用
import play.libs.Json
导入正确的Json
类。
You probably used play.api.libs.Json
which is targeted for the Scala API, not the Java API. 您可能使用了针对Scala API(而非Java API)的
play.api.libs.Json
。
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