### Question in English:
How to implement cross-domain access using GWT, similar to jQuery's `getScript()`!
---
### Solutions in English:
#### Solution 1:
Part-time workers needed! 100 yuan/day, daily payment.
**Number of positions:** Several
**Salary and benefits:** Work 3-5 hours per day, paid 100 yuan/day. Payment is made daily.
**Job Description:** Responsible for replying to information as required by the company (with content templates). Location is flexible, both full-time and part-time are acceptable.
**Requirements:** Proficient in internet use, approximately 3 hours of work per day on average (can be adjusted based on efficiency). No educational restrictions; open to both employed individuals and students. Must be diligent, serious, and responsible. Familiarity with the process of sending messages via computer is required (very simple, easy to learn!).
(No deposit or fees required upon joining, no withholding of wages.)
For more details, see the company recruitment page: [http://www.soier.net](http://www.soier.net)
Email: [email protected]
Link: [http://www.soier.net/?45986.htm](http://www.soier.net/?45986.htm)
---
#### Solution 2:
**Number of positions:** Several
**Salary and benefits:** Work 3-5 hours per day, paid 100 yuan/day. Payment is made daily.
**Job Description:** Responsible for replying to information as required by the company (with content templates). Location is flexible, both full-time and part-time are acceptable.
**Requirements:** Proficient in internet use, approximately 3 hours of work per day on average (can be adjusted based on efficiency). No educational restrictions; open to both employed individuals and students. Must be diligent, serious, and responsible. Familiarity with the process of sending messages via computer is required (very simple, easy to learn!).
(No deposit or fees required upon joining, no withholding of wages.)
For more details, see the company recruitment page: [http://www.soier.net/?45986.htm](http://www.soier.net/?45986.htm)
Email: [email protected]
---
#### Solution 3:
**Number of positions:** Several
**Salary and benefits:** Work 3-5 hours per day, paid 100 yuan/day. Payment is made daily.
**Job Description:** Responsible for replying to information as required by the company (with content templates). Location is flexible, both full-time and part-time are acceptable.
**Requirements:** Proficient in internet use, approximately 3 hours of work per day on average (can be adjusted based on efficiency). No educational restrictions; open to both employed individuals and students. Must be diligent, serious, and responsible. Familiarity with the process of sending messages via computer is required (very simple, easy to learn!).
(No deposit or fees required upon joining, no withholding of wages.)
For more details, see the company recruitment page: [http://www.soier.net/?45986.htm](http://www.soier.net/?45986.htm)
Email: [email protected]
---
#### Solution 4:
In GWT, JSONP can be used to implement cross-domain access. JSONP works by dynamically creating a `` tag to load data from another domain, bypassing the same-origin policy restriction.
Here’s an example of how you can implement it in GWT:
```java
public class JsonpExample {
public static void makeJsonpRequest(String url, final JsonpCallback callback) {
RequestBuilder builder = new RequestBuilder(RequestBuilder.GET, url);
try {
builder.sendRequest(null, new RequestCallback() {
@Override
public void onResponseReceived(Request request, Response response) {
if (callback != null) {
callback.onSuccess(response.getText());
}
}
@Override
public void onError(Request request, Throwable exception) {
if (callback != null) {
callback.onError(exception.getMessage());
}
}
});
} catch (RequestException e) {
if (callback != null) {
callback.onError(e.getMessage());
}
}
}
public interface JsonpCallback {
void onSuccess(String result);
void onError(String error);
}
}
```
You can call this method like so:
```java
makeJsonpRequest("https://example.com/api", new JsonpCallback() {
@Override
public void onSuccess(String result) {
Window.alert("Data received: " + result);
}
@Override
public void onError(String error) {
Window.alert("Error: " + error);
}
});
```
---
#### Solution 5:
For reference, you can also look into how jQuery calls Java methods, which may provide additional insights:
[http://www.myexception.cn/java-web/44819.html](http://www.myexception.cn/java-web/44819.html)
---
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