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Method PUT is not allowed by Access-Control-Allow-Methods in preflight response

时间:2020-06-29 19:39:37      阅读:148      评论:0      收藏:0      [点我收藏+]

  前端通过XHR请求后端服务时,出现了下图现象:

技术分享图片

  根据问题的描述可知,是遇到跨域问题了,为了支持跨域,需要在后端做一下处理,可以这样处理:

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
        HttpServletRequest request = (HttpServletRequest) servletRequest;
        HttpServletResponse response = (HttpServletResponse) servletResponse;
        response.setHeader("Access-Control-Allow-Methods", "POST, GET, PATCH, DELETE, PUT, OPTIONS");
        filterChain.doFilter(servletRequest, servletResponse);
    }

  具体的添加过程,可以参考此链接

  https://www.cnblogs.com/bien94/p/13188699.html

Method PUT is not allowed by Access-Control-Allow-Methods in preflight response

原文:https://www.cnblogs.com/bien94/p/13209865.html

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