无法将对象直接转换成String. request.getAttribute("pnum")这个获取到的是一个Object，不能直接转换为String，利用强制转换 int pnum=(Integer)request.getAttribute("pnum"); 而且应该转换成Integer对象，而不是String
Cannot convert from 'Object to Int' Cannot convert int[] to object[] Cannot convert lambda expression to type 'System.Threading.Tasks.Task' Cannot convert null to 'int' because it is a value type--need help Cannot convert string[] to string in foreach loop Cannot convert type 'System.Col...
代码如下: Car.java 1packagecom.tt.spring.beans.factory;23publicclassCar {45privateString brand;6privatedoubleprice;78publicString getBrand() {9returnbrand;10}11publicvoidsetBrand(String brand) {12this.brand =brand;13}14publicdoublegetPrice() {15returnprice;16}17publicvoidsetPrice(doubleprice) {...
给list加一个泛型就可以了。这样：List<Channel> list = this.channelManager.getChannelListByFather(Integer.valueOf(block.getContent()));if (list != null) { buffer.append("<ul>");for (Channel ch : list) { buffer.append("<li><a href=").append(new StringBuilder().append(mark)...
It is not meaningful to convert from any type to itself.Error ID: BC33024To correct this errorChange the type of either the parameter or the return value. One of them must be of the type of the class or structure in which this operator is defined. The other must be of a different ...
cannot convert from JSONObject to String 求解Type mismatch: cannot convert from java.sql.Blob to com.mysql.jdbc.Blob Type mismatch: cannot convert from ArrayList to Collection 照着老师代码打的结果出现Type mismatch: cannot convert from ServiceRegistryBuilder to ServiceRegistry错误随时...
1 回答xception in thread "main" net.sf.json.JSONException: JSONObject["expires_in"] is not a number. 2 回答get请求成功后,返回结果需要转为String再转json? 1 回答setMediaId一直报错,The method setMediaId(String) is undefined for the type Image。为什么,搜索...
. Compared to that the FormItem Template does not provide a context object and thus the type is a RenderFragment. This major difference is the reason why there would be no way to create the same dynamic column template for both the Form and the Grid Column (even if we refer to ...
编译报错:/build-testQtSignalBug-Qt5_9_4_zynq-Debug/moc_subclass.cpp:68: error: cannot convert from pointer to base class 'QObject' to pointer to derived class 'subClass' via virtual base 'baseClass' subClass *_t = static_cast<subClass *>(_o); ...
I get the request object form graphql, graphql parameters do not have __proto__ set. I am directly passing the graphql paramter object to the save method. I am getting the below error when I do that: TypeError: Cannot convert object to primitive value at new MustBeEntityError (/Users...