用postman模拟ajax发送json数据的笔记

header是这个:

但是你后台,你知道吗,用request.getParameter("sysName");是接受不到的,

因为json串在requset的body中。如果不用@RequsetBody注解,那就要写方法从流中读取参数。

public static String getRequestBody(HttpServletRequest req) throws IOException {
    BufferedReader reader = req.getReader();
    String input = null;
    StringBuffer requestBody = new StringBuffer();
    while((input = reader.readLine()) != null) {
        requestBody.append(input);
    }
    return requestBody.toString();
}

参考这位大佬的,牛鼻牛鼻,大佬牛鼻    https://blog.csdn.net/zyjcxc/article/details/79511938

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转载自www.cnblogs.com/fuckingPangzi/p/9952104.html
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