JavaWeb登陆成功后跳转到上一个页面(2)

@Clear({LoginInterceptor.class})
  public void login() throws UnsupportedEncodingException {
    logger.info("进行会员登录操作...");
    // 获取用户名
    String name = getPara("username");
    // 获取密码
    String password = getPara("password");
    Members mem = Members.me.getMemByUsername(name);
    if (mem != null) {// 用户不存在
      // 密码不匹配
      if (!mem.getStr("password").equals(CipherUtils.generatePassword(password))) {
        ajaxDoneError("密码不正确！");
      } else {
        // 保存session
        setSessionAttr("username", mem);
        String forwardURL = getPara("forwardURL");
        if (forwardURL == null || forwardURL.equals("")) {
          forwardURL = "/";
        } else {
          forwardURL = URLDecoder.decode(forwardURL, "UTF-8");
        }
        ajaxDoneSuccess("登录成功！", forwardURL);
      }
    } else {
      ajaxDoneError("用户不存在！");
    }
  }

public void ajaxDoneSuccess(String message, String forwardURL) {
    ajaxDone(200, message, forwardURL);
  }
protected void ajaxDone(int statusCode, String message, String forwardURL) {
  // 回调类型
    if (getAttr("callbackType") == null) {
      String callbackType = getPara("callbackType");
      if (callbackType != null && !callbackType.equals("")) {
        setAttr("callbackType", callbackType);
        if (callbackType.equals("forward") || callbackType.equals("closeCurrentThenForward")) {
          String contextPath = getRequest().getContextPath();
          if (forwardURL.indexOf(contextPath) == -1) {
            forwardURL = contextPath + forwardURL;
          }
          setAttr("forwardURL", forwardURL);
        }
      }
    }
    renderJson();
} 

function ajaxDone(json) {
  YUNM.ajaxDone(json);
  if (json[YUNM.keys.statusCode] == YUNM.statusCode.ok || json[YUNM.keys.statusCode] == YUNM.statusCode.info) {
if ("forward" == json.callbackType) {
      if (json.forwardURL) {
        location.href = json.forwardURL;
      }
}