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spring mvc 實(shí)現(xiàn)后臺(tái)服務(wù) HttpServletRequest request = (HttpServletRequest)servletRequest; HttpServletResponse response = (HttpServletResponse)servletResponse; // 指定允許其他域名訪問 response.setHeader("Access-Control-Allow-Origin", "*"); // 響應(yīng)類型 response.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE"); // 響應(yīng)頭設(shè)置 response.setHeader("Access-Control-Allow-Headers", "Content-Type, x-requested-with, X-Custom-Header"); if ("OPTIONS".equals(request.getMethod())) { response.setStatus(204); } <init-param> <param-name>dispatchOptionsRequest</param-name> <param-value>true</param-value> </init-param> |
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