HttpServletRequest 解析获取JSON数据

HttpServletRequest解析获取JSON数据

最新推荐文章于 2025-09-29 08:35:39 发布

原创最新推荐文章于 2025-09-29 08:35:39 发布 · 522 阅读

5 ·

CC 4.0 BY-SA版权

文章标签：

#json #java #servlet

public static String getRequestPostStr(HttpServletRequest request) throws IOException {
    byte buffer[] = getRequestPostBytes(request);
    String charEncoding = request.getCharacterEncoding();
    if (charEncoding == null) {
        charEncoding = "UTF-8";
    }
    return new String(buffer, charEncoding);
}
public static byte[] getRequestPostBytes(HttpServletRequest request) throws IOException {
    int contentLength = request.getContentLength();
    if(contentLength<0){
        return null;
    }
    byte buffer[] = new byte[contentLength];
    for (int i = 0; i < contentLength;) {
        int readlen = request.getInputStream().read(buffer, i, contentLength - i);
        if (readlen == -1) {
            break;
        }
        i += readlen;
    }
    return buffer;
}

@PostMapping("/report")
public void report(HttpServletRequest request) throws IOException {

    String result= getRequestPostStr(request);

    System.out.println(result);


}