相关类与接口
httpServletRequest
public interface HttpServletRequest extends ServletRequest { String BASIC_AUTH = "BASIC"; String FORM_AUTH = "FORM"; String CLIENT_CERT_AUTH = "CLIENT_CERT"; String DIGEST_AUTH = "DIGEST"; String getAuthType(); //获取请求认证类型 Cookie[] getCookies(); //获得所有的cookie HttpSession getSession(); //获得session HttpSession getSession(boolean var1); String getHeader(String var1); //根据参数获取对应的请求头 int getIntHeader(String var1); long getDateHeader(String var1); Enumeration<String> getHeaderNames(); //获得header Enumeration<String> getHeaders(String var1); String getMethod(); //获取请求类型，如Get、Post、Delete等 String getRequestURI(); //获取请求路径名，如/hello-world/hello2 StringBuffer getRequestURL(); //获取请求全路径名，如http://localhost:8080/hello-world/hello2 ************************** context-path：hello-world servlet-path：hello-world2 输入路径：localhost:8080/hello-world/hello-world2/hello2?name=hello String getContextPath(); //获取contextPath，可在application.properties中 通过server.servlet.context-path=/hello-world设置 项目根路径为/hello-world String getServletPath(); //获取ServletPath，可在application.properties中通过 spring.mvc.servlet.path=/hello-world2设置 输出路径名：/hello-world2 如果没有设置spring.mvc.servlet.path属性， 输出除context-path的全部路径，且getPathInfo()获取的值为null String getPathInfo(); //获取路径中除contextPath、ServletPath外的路径PathInfo， 输出路径为：/hello2 String getQueryString(); //获取请求路径中的查询参数，输出name=hello String getPathTranslated(); //获取项目实际路径，输出路径为：C:\Users\28401\AppData\Local\Temp\tomcat-docbase.9749315821574923200.8080\hello2 void login(String var1, String var2) throws ServletException; void logout() throws ServletException; //客户端登录、退出 String getRequestedSessionId(); //获取请求的sessionId boolean isRequestedSessionIdValid(); //sessionId是否有效 boolean isRequestedSessionIdFromCookie(); //sessionId是否存储在cookie中 boolean isRequestedSessionIdFromURL(); //sessionId是否在url中 String getRemoteUser(); boolean isUserInRole(String var1); Principal getUserPrincipal(); String changeSessionId(); boolean authenticate(HttpServletResponse var1) throws IOException, ServletException; Part getPart(String var1) throws IOException, ServletException; Collection<Part> getParts() throws IOException, ServletException; <T extends HttpUpgradeHandler> T upgrade(Class<T> var1) throws IOException, ServletException; default PushBuilder newPushBuilder() { return null; } default Map<String, String> getTrailerFields() { return Collections.emptyMap(); } default boolean isTrailerFieldsReady() { return false; } default HttpServletMapping getHttpServletMapping() { return new HttpServletMapping() { public String getMatchValue() { return ""; } public String getPattern() { return ""; } public String getServletName() { return ""; } public MappingMatch getMappingMatch() { return null; } }; } }
ServletRequest
public interface ServletRequest { void setAttribute(String var1, Object var2); //request域的属性操作 Object getAttribute(String var1); Enumeration<String> getAttributeNames(); void removeAttribute(String var1); String getParameter(String var1); //request请求参数 Enumeration<String> getParameterNames(); String[] getParameterValues(String var1); Map<String, String[]> getParameterMap(); ServletInputStream getInputStream() throws IOException; //获取请求输入流 BufferedReader getReader() throws IOException; String getCharacterEncoding(); //字符编码 void setCharacterEncoding(String var1) throws UnsupportedEncodingException; ServletContext getServletContext(); //application应用上下文 int getContentLength(); //获取远程文件大小，int形式返回 long getContentLengthLong(); //获取远程文件大小，long形式 String getContentType(); //获取请求类型 String getProtocol(); //获取协议类型，如HTTP/1.1 String getScheme(); //获得协议名称，如http String getServerName(); //获得主机名称，如localhost int getServerPort(); //获得应用服务端口，如8080 String getLocalName(); String getLocalAddr(); int getLocalPort(); //本地端口 String getRemoteAddr(); String getRemoteHost(); int getRemotePort(); //远程端口 Locale getLocale(); Enumeration<Locale> getLocales(); boolean isSecure(); AsyncContext startAsync() throws IllegalStateException; AsyncContext startAsync(ServletRequest var1, ServletResponse var2) throws IllegalStateException; boolean isAsyncStarted(); boolean isAsyncSupported(); AsyncContext getAsyncContext(); RequestDispatcher getRequestDispatcher(String var1); DispatcherType getDispatcherType(); }
httpServletResponse
public interface HttpServletResponse extends ServletResponse { int SC_CONTINUE = 100; int SC_SWITCHING_PROTOCOLS = 101; int SC_OK = 200; int SC_CREATED = 201; int SC_ACCEPTED = 202; int SC_NON_AUTHORITATIVE_INFORMATION = 203; int SC_NO_CONTENT = 204; int SC_RESET_CONTENT = 205; int SC_PARTIAL_CONTENT = 206; int SC_MULTIPLE_CHOICES = 300; int SC_MOVED_PERMANENTLY = 301; int SC_MOVED_TEMPORARILY = 302; int SC_FOUND = 302; int SC_SEE_OTHER = 303; int SC_NOT_MODIFIED = 304; int SC_USE_PROXY = 305; int SC_TEMPORARY_REDIRECT = 307; int SC_BAD_REQUEST = 400; int SC_UNAUTHORIZED = 401; int SC_PAYMENT_REQUIRED = 402; int SC_FORBIDDEN = 403; int SC_NOT_FOUND = 404; int SC_METHOD_NOT_ALLOWED = 405; int SC_NOT_ACCEPTABLE = 406; int SC_PROXY_AUTHENTICATION_REQUIRED = 407; int SC_REQUEST_TIMEOUT = 408; int SC_CONFLICT = 409; int SC_GONE = 410; int SC_LENGTH_REQUIRED = 411; int SC_PRECONDITION_FAILED = 412; int SC_REQUEST_ENTITY_TOO_LARGE = 413; int SC_REQUEST_URI_TOO_LONG = 414; int SC_UNSUPPORTED_MEDIA_TYPE = 415; int SC_REQUESTED_RANGE_NOT_SATISFIABLE = 416; int SC_EXPECTATION_FAILED = 417; int SC_INTERNAL_SERVER_ERROR = 500; int SC_NOT_IMPLEMENTED = 501; int SC_BAD_GATEWAY = 502; int SC_SERVICE_UNAVAILABLE = 503; int SC_GATEWAY_TIMEOUT = 504; int SC_HTTP_VERSION_NOT_SUPPORTED = 505; void setStatus(int var1); //设置响应状态码 int getStatus(); //获得响应状态码 void sendError(int var1) throws IOException; //设置响应码 void sendError(int var1, String var2) throws IOException; void addCookie(Cookie var1); //响应体中增加cookie boolean containsHeader(String var1); //响应体中是否包含某header void setDateHeader(String var1, long var2); void addDateHeader(String var1, long var2); //日期header void setHeader(String var1, String var2); void addHeader(String var1, String var2); //添加header void setIntHeader(String var1, int var2); void addIntHeader(String var1, int var2); //添加int类型的header String getHeader(String var1); Collection<String> getHeaders(String var1); Collection<String> getHeaderNames(); //获得header void sendRedirect(String var1) throws IOException; //设置跳转路径 String encodeURL(String var1); //重写url String encodeRedirectURL(String var1); //重写跳转url default void setTrailerFields(Supplier<Map<String, String>> supplier) { } default Supplier<Map<String, String>> getTrailerFields() { return null; } }
ServletResponse
public interface ServletResponse { String getCharacterEncoding(); //获取编码类型 void setCharacterEncoding(String var1); //设置编码类型 String getContentType(); //获取返回体类型 void setContentType(String var1); //设置返回体类型 PrintWriter getWriter() throws IOException; //获取输出流 ServletOutputStream getOutputStream() throws IOException; void setContentLength(int var1); void setContentLengthLong(long var1); //设置返回体的大小 void reset(); void resetBuffer(); //清空缓冲 void flushBuffer() throws IOException; //刷新缓冲区 int getBufferSize(); //获得缓冲区大小 void setBufferSize(int var1); //设置缓冲区大小 boolean isCommitted(); //缓冲是否提交 Locale getLocale(); //获得国际化类 void setLocale(Locale var1); //设置国际化类 }
