AJAX请求获取数据,java代码实例,直接写代码
时间: 2023-02-14 12:11:46 浏览: 57
```
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
* Servlet implementation class GetDataServlet
*/
@WebServlet("/GetDataServlet")
public class GetDataServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
/**
* @see HttpServlet#HttpServlet()
*/
public GetDataServlet() {
super();
// TODO Auto-generated constructor stub
}
/**
* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
*/
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
String data = "这是AJAX请求返回的数据";
response.getWriter().append(data);
}
/**
* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
doGet(request, response);
}
}
```
上面的代码是一个简单的Servlet示例,当客户端发起AJAX请求,请求URL为"/GetDataServlet"时,会返回一个字符串"这是AJAX请求返回的数据"。
请注意,这只是一个示例,实际应用中应该根据实际需求返回相应的数据。