ajax（二）——传值解析

package ajax01;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
* ajax Asynchronous Javascript And XML 异步加载
*
* xstream jar包用来转化对象为xml字符串 也可以转换为json字符串
*
* 但是xstream转化json效率不高 常用json转换工具是Jackson
*
*/
@SuppressWarnings("serial")
public class HelloAjaxServlet extends HttpServlet {
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
doPost(req, resp);
}

@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
System.out.println("ajax come");
resp.getWriter().write("ajax coming");
}
}