判断ajax请求的方法实例

String requestType = request.getHeader("X-Requested-With");if("XMLHttpRequest".equals(requestType)){
    System.out.println("AJAX请求..");}else{
    System.out.println("非AJAX请求..");
    //此时requestType为null
}

    @RequestMapping(value = "testParamsAndHeaders", params = { "username","age!=10" }, headers = { "X-Requested-With=XMLHttpRequest" })    public String testParamsAndHeaders() {
        System.out.println("testParamsAndHeaders");        return SUCCESS;
    }