gwt

问题 I have a simple POJO mapped to a table using Hibernate. Which works just fine. public class Patient implements Serializable { private int patientId; private String firstName; private String lastName; private Set<Prescription> patientPrescriptions; public Patient() {} ... } My problem is I want to be able to serialize the object so I can get it trough the wire for my GWT-RPC calls. If my async service return this object I get an error: com.google.gwt.user.client.rpc.SerializationException:

问题 I have been working with Eclipse for a little while now but all of a sudden my GWT projects don't run anymore when I (after compiling) copy the the content of the 'war' folder to my 'Sites' folder on the mac. This was working absolutely fine but now I keep getting an RPC Failure - An error occurred while attempting to contact the server. Please check your network connection and try again. I am simply creating new Google Web Application projects now (they have the greeting sample build in) and

问题 I have a Google Web Project which works perfect on Development mode. Somewhere inside this project, I create some .xml files which I delete after parsing. When I deploy the .war file of my project in Tomcat7 (var/lib/tomcat7/webapps) (I use the tomcat manage to deploy it) the project fails to create any file. I've tried all possible paths inside the webapps folder. I even tried context.getRealPath("/")+"/ROOT/tmp/" but nothing happens 回答1: You should be using the temp folder instead of

问题 I'm working on an existing GWT app . I'm seeing this warning the constructor Date(int, int, int) is deprecated Since java.util.Calendar is not supported in GWT client side , I'm looking for how to replace this methode . 回答1: There's no replacement for GWT (for now at least, java.time support/emulation should come some time in the future). Just put @SuppressWarnings("deprecation") if you want to get rid of the warning. 回答2: Use always Calendar (GregorianCalendar would suit what you need). And

问题 I'm looking for someone to point me in the right direction (link) or provide a code example for implementing a drop down list for a many-to-one relationship using RequestFactory and the Editor framework in GWT . One of the models for my project has a many to one relationship: @Entity public class Book { @ManyToOne private Author author; } When I build the view to add/edit a book, I want to show a drop down list that can be used to choose which author wrote the book. How can this be done with

问题 After downloading the latest Eclipse (Luna 4.4.1), I installed the GWT / GWT designer plugin. I concluded I that I am missing WindowsBuilderPro, and so I installed it via Eclipse Help->Install New Software. Now I want to create a new GTW Designer project, and get the following choices, which I think are wrong: Tutorials, perhaps older, show the following project choice: Is my installation messed up? I reversed the installation order, and nothing changed. Is GWT Designer out of date, should I

问题 My application needs configurable columns , and titles of these columns get configured in the begining, If relation database I would have created generic columns in table like CodeA, CodeB etc for this need because it helps queering on these columns (Code A = 11 ) it also helps in displaying the values (if that columns stores code and value) but now I am using Non Relational database Datastore (and I am new to it), should I follow the same old approach or I should use collection (Key Value

问题 My application needs configurable columns , and titles of these columns get configured in the begining, If relation database I would have created generic columns in table like CodeA, CodeB etc for this need because it helps queering on these columns (Code A = 11 ) it also helps in displaying the values (if that columns stores code and value) but now I am using Non Relational database Datastore (and I am new to it), should I follow the same old approach or I should use collection (Key Value

问题 I assemble WAR for GWT application through gradle. When GWT is included like dependencies { compile "com.google.gwt:gwt-user:2.5.1" compile "com.google.gwt:gwt-dev:2.5.1" ... } then I have gwt-user.jar and gwt-dev.jar in resulting WAR file. They are not really needed and are big. If I delete these jars from WAR - application works well. But when I try to assemble WAR without these jars inside using dependencies { providedCompile "com.google.gwt:gwt-user:2.5.1" providedCompile "com.google.gwt

问题 i need to register a cross platform and version independent click event to the document. that means i have a two text box and submit button but when i click outside of the two text box and submit button then alert will be displayed .how can i achive this by gwt document.get().addMouseClick ??? 回答1: The easiest way that comes to mind is to wrap everything in a FocusPanel: ClickHandler clickHandler = new ClickHandler() { @Override public void onClick(ClickEvent event) { Window.alert("TextBox