……

<iframe name="tagFrame" style="display:none" frameborder="0"></iframe>

……

<script language="JavaScript">

<!--

// 保存信息

function saveInfo() {

    testForm.action="test.do?method=save"; 

    testForm.target="tagFrame";

    testForm.submit();

}

//-->

</script>

<%@ page contentType="text/html; charset=GBK" %>

<script language="javascript">

    alert(" 保存成功！ ");

    // 这里是等待你点击 alert 的确定按钮后跳转，神奇的 js

    parent.window.location.href='test.do?method=test';

</script>

public ActionForward execute(ActionMapping mapping,

ActionForm form, HttpServletRequest request,

            HttpServletResponse response) throws Exception {

。。。

// 发送的信息

        String msg = "alert(' 操作成功！ ');location.href='test.do?method=test';";

        writeJsToFrontPage(response, msg);

        return null;

}

/**
     * 向前端页面发送 javascript 脚本
     *
     * @param response
     * @param text
     * @throws IOException
     */ 

protected void writeJsToFrontPage(HttpServletResponse response,

String msg) throws IOException {

        response.setContentType("text/html; charset=utf-8");

        response.setHeader("Cache-Control", "no-cache");

        PrintWriter pw = response.getWriter();

        pw.write("<SCRIPT TYPE='text/javascript'>" + msg + "</SCRIPT>");

        pw.close();

    }