下面列出了javax.servlet.ServletResponse#setCharacterEncoding ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
protected void redirectToLogin(ServletRequest request, ServletResponse response) throws IOException {
if (isAjaxRequest((HttpServletRequest)request)) {
response.setCharacterEncoding( Constants.BASE_ENCODING );
response.setContentType("application/json");
response.getWriter().write(Constants.NO_LOGIN_JSON_DATA);
return;
}
if (this.isIframeMode((HttpServletRequest)request)) { // iframe 不要導向 login.action 因為畫面會怪怪的
WebUtils.issueRedirect(request, response, "/pages/system/error_static.jsp");
return;
}
if (this.isDojoxContentPane((HttpServletRequest)request)) { // 在 dojox.layout.ContentPane 不要出現 login.action 頁面
WebUtils.issueRedirect(request, response, Constants.DOJOX_CONTENT_PANE_XHR_RE_LOGIN_PAGE);
return;
}
WebUtils.issueRedirect(request, response, getLoginUrl());
}
/**
* description 封装response 统一json返回
*
* @param content 内容
* @param response response
*/
public static void responseWrite(ResponseEntity content, ServletResponse response) {
response.setCharacterEncoding("UTF-8");
response.setContentType("application/json;charset=utf-8");
((HttpServletResponse)response).setStatus(content.getStatusCodeValue());
content.getHeaders().forEach((key, value) ->
((HttpServletResponse) response).addHeader(key, value.get(0)));
try (PrintWriter printWriter = response.getWriter()) {
if (content.getBody() != null) {
if (content.getBody() instanceof String) {
printWriter.write(content.getBody().toString());
} else {
ObjectMapper objectMapper = new ObjectMapper();
printWriter.write(objectMapper.writeValueAsString(content.getBody()));
}
} else {
printWriter.flush();
}
} catch (IOException e) {
logger.error("responseWrite response error: ", e);
}
}
@Override
public void doFilter(ServletRequest req, ServletResponse resp,
FilterChain chain) throws IOException, ServletException {
/**
* 设置页面编码
*/
HttpServletRequest request = (HttpServletRequest) req;
HttpServletResponse response = (HttpServletResponse) resp;
req.setCharacterEncoding("utf-8");
resp.setCharacterEncoding("utf-8");
/**
* 清除页面缓存
*/
response.setHeader("Pragma", "No-cache");
response.setHeader("Cache-Control", "no-cache");
response.setDateHeader("Expires", -10);
chain.doFilter(req, resp);
}
/**
* Select and set (if specified) the character encoding to be used to
* interpret request parameters for this request.
*
* @param request The servlet request we are processing
* @param response The servlet response we are creating
* @param chain The filter chain we are processing
*
* @exception IOException if an input/output error occurs
* @exception ServletException if a servlet error occurs
*/
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain chain)
throws IOException, ServletException {
// Conditionally select and set the character encoding to be used
if ((request.getCharacterEncoding() == null)) {
String encodingIn = selectEncoding(request);
if (encoding != null) {
request.setCharacterEncoding(encodingIn);
response.setContentType("text/html; charset=" + encodingIn);
response.setCharacterEncoding(encodingIn);
}
}
// Pass control on to the next filter
chain.doFilter(request, response);
}
/**
* 主要是处理登入失败的方法
*/
@Override
protected boolean onLoginFailure(AuthenticationToken token,
AuthenticationException e, ServletRequest request,
ServletResponse response) {
setFailureAttribute(request, e);
if (!"XMLHttpRequest".equalsIgnoreCase(((HttpServletRequest) request)
.getHeader("X-Requested-With"))) {// 不是ajax请求
return true;
}
try {
response.setCharacterEncoding("UTF-8");
PrintWriter out = response.getWriter();
out.printf("{success:false,message:'%s'}",
request.getAttribute(getFailureKeyAttribute()));
out.flush();
out.close();
} catch (IOException e1) {
log.fatal("异步跳转异常", e);
}
return false;
}
/**
* 输出JSON
*/
public static void writeJson(Object object, ServletResponse response) {
PrintWriter out = null;
try {
response.setCharacterEncoding("UTF-8");
response.setContentType("application/json; charset=utf-8");
out = response.getWriter();
out.write(JSONUtil.toJsonStr(object));
} catch (IOException e) {
e.printStackTrace();
} finally {
if (out != null) {
out.close();
}
}
}
/**
* Select and set (if specified) the character encoding to be used to
* interpret request parameters for this request.
*
* @param request The servlet request we are processing
* @param response The servlet response we are creating
* @param chain The filter chain we are processing
*
* @exception IOException if an input/output error occurs
* @exception ServletException if a servlet error occurs
*/
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain chain)
throws IOException, ServletException {
// Conditionally select and set the character encoding to be used
if ((request.getCharacterEncoding() == null)) {
String encodingIn = selectEncoding(request);
if (encoding != null) {
request.setCharacterEncoding(encodingIn);
response.setContentType("text/html; charset=" + encodingIn);
response.setCharacterEncoding(encodingIn);
}
}
// Pass control on to the next filter
chain.doFilter(request, response);
}
private void authFailure(ServletResponse servletResponse) throws IOException {
servletResponse.setCharacterEncoding("UTF-8");
servletResponse.setContentType("application/json; charset=utf-8");
HttpServletResponse response = (HttpServletResponse) servletResponse;
response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
response.setContentType("application/json; charset=utf-8");
PrintWriter out = response.getWriter();
OpenCPSErrorDetails error = new OpenCPSErrorDetails(new Date(), "permission denied", "");
out.println(error.toString());
out.flush();
out.close();
}
protected void redirectToLogin(ServletRequest request, ServletResponse response) throws IOException {
if (isAjaxRequest((HttpServletRequest)request)) {
response.setCharacterEncoding("UTF-8");
response.setContentType("application/json");
response.getWriter().write(Constants.NO_LOGIN_JSON_DATA);
return;
}
if (this.isDojoxContentPane((HttpServletRequest)request)) { // 在 dojox.layout.ContentPane 不要出現 login.action 頁面
WebUtils.issueRedirect(request, response, Constants.DOJOX_CONTENT_PANE_XHR_RE_LOGIN_PAGE);
return;
}
WebUtils.issueRedirect(request, response, getLoginUrl());
}
@Override
protected boolean onPreHandle(ServletRequest request, ServletResponse response, Object mappedValue) throws Exception {
//请求的url
String requestURL = getPathWithinApplication(request);
System.out.println("请求的url :" + requestURL);
Subject subject = SecurityUtils.getSubject();
if (!subject.isAuthenticated()) {
// 如果没有登录, 进入登录流程
WebUtils.issueRedirect(request, response, "/admin/login");
return false;
}
//从session里读取当前用户的权限URL列表
Set<String> urls = (Set<String>) subject.getSession().getAttribute("permissionUrls");
if (urls.contains(requestURL)) {
return true;
}
//没有权限
if (isAjax((HttpServletRequest) request)) {
response.setCharacterEncoding("utf-8");
response.setContentType("application/json; charset=utf-8");
PrintWriter writer = response.getWriter();
Map<String, Object> map = new HashMap<>();
map.put("code", 0);
map.put("msg", "没有权限访问");
writer.write(JSONObject.toJSONString(map));
} else {
WebUtils.issueRedirect(request, response, "/403");
}
return false;
}
public static void writeJson(ServletResponse response, AjaxResult ajaxResult) {
try {
response.setCharacterEncoding("UTF-8");
response.setContentType("application/json; charset=utf-8");
PrintWriter out = response.getWriter();
out.write(
JsonMapper.defaultMapper()
.toJson(ajaxResult)
);
out.flush();
out.close();
} catch (IOException e) {
log.error("发生异常。", e);
}
}
@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
try {
super.doFilter(request, response, chain);
} catch (ServletException e) {
if (e.getCause() instanceof MaxUploadSizeExceededException) {
response.setContentType("application/json");
response.setCharacterEncoding("utf8");
response.getWriter().println("{\"message\":\"文件不能超过" + AdminConstants.MAX_FILE_SIZE_IN_K + "k\",\"data\":null,\"status\":1}");
} else {
throw e;
}
}
}
@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException {
try {
chain.doFilter(request, response);
} catch (Exception ex) {
// Throwable[] causeChain = throwableAnalyzer.determineCauseChain(ex);
response.setCharacterEncoding("UTF-8");
response.setContentType("application/json;charset=utf-8");
JsonData<Object> objectJsonData = new JsonData<>(StatusEnum.ACCESS_DENIED);
response.getWriter().print(JsonUtil.toJsonString(objectJsonData));
}
}
@Override
protected boolean onLoginSuccess(AuthenticationToken token, Subject subject,
ServletRequest request, ServletResponse response) throws Exception {
HttpServletRequest httpServletRequest = (HttpServletRequest)request;
HttpServletResponse httpServletResponse = (HttpServletResponse)response;
if (!this.isAjaxRequest(httpServletRequest)) {
httpServletResponse.sendRedirect(httpServletRequest.getContextPath() + this.getSuccessUrl());
} else {
response.setCharacterEncoding( Constants.BASE_ENCODING );
response.setContentType("application/json");
response.getWriter().write(Constants.NO_AUTHZ_JSON_DATA);
}
return false;
}
@Override
protected boolean onAccessDenied(ServletRequest request, ServletResponse response) throws Exception {
response.setCharacterEncoding("UTF-8");
response.setContentType("application/json; charset=UTF-8");
PrintWriter out = response.getWriter();
out.write(JSON.toJSONString(MyResponse.createResponse(ResponseEnum.NON_AUTH)));
return false;
}
protected void redirectToLogin(ServletRequest request, ServletResponse response) throws IOException {
if ( !Constants.getSystem().equals( Constants.getMainSystem() ) && !isAjaxRequest((HttpServletRequest)request) ) { // 非 core-web
try {
if ( this.loginUseCurrentCookieForGeneralPackage(request, response) ) { // no need to login-page
String url = SimpleUtils.getHttpRequestUrl( (HttpServletRequest)request );
logger.warn("URL = " + url );
WebUtils.issueRedirect(request, response, url);
return;
}
} catch (Exception e) {
e.printStackTrace();
}
}
if (isAjaxRequest((HttpServletRequest)request)) {
response.setCharacterEncoding( Constants.BASE_ENCODING );
response.setContentType("application/json");
response.getWriter().write(Constants.NO_LOGIN_JSON_DATA);
return;
}
if (this.isIframeMode((HttpServletRequest)request)) { // iframe 不要導向 login.action 因為畫面會怪怪的
WebUtils.issueRedirect(request, response, "/pages/system/error_static.jsp");
return;
}
if (this.isDojoxContentPane((HttpServletRequest)request)) { // 在 dojox.layout.ContentPane 不要出現 login.action 頁面
WebUtils.issueRedirect(request, response, Constants.DOJOX_CONTENT_PANE_XHR_RE_LOGIN_PAGE);
return;
}
WebUtils.issueRedirect(request, response, getLoginUrl());
}
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain chain) throws IOException, ServletException {
HttpServletRequest req=(HttpServletRequest)request;
String flag=req.getParameter("flag");
if(((HttpServletRequest)request).getRequestURI().equals("/TLX/admin/adminLogin.jsp")||!((HttpServletRequest)request).getRequestURI().endsWith(".jsp")){
chain.doFilter(request, response);
}else{
if(!"adminLogin".equals(flag)){
HttpServletRequest httpServletRequest = (HttpServletRequest)request;
HttpSession httpSession = httpServletRequest.getSession();
String account=(String)httpSession.getAttribute("account");
response.setCharacterEncoding("GBK");
if(account == null){
response.setCharacterEncoding("GBK");
((HttpServletResponse)response).getWriter().write("<script>alert('����δ��¼�����ȵ�¼��ϵͳ���Զ���ת����¼ҳ��');window.top.location.href='" + ((HttpServletRequest)request).getContextPath() + "/admin/adminLogin.jsp';</script>");
}else{
chain.doFilter(request, response);
}
}else{
chain.doFilter(request, response);
}
}
}
@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException,
ServletException {
response.setCharacterEncoding("UTF-8");
chain.doFilter(request, response);
}
/**
* @see javax.servlet.Filter#doFilter(javax.servlet.ServletRequest, javax.servlet.ServletResponse, javax.servlet.FilterChain)
*/
public void doFilter(ServletRequest req, ServletResponse resp, FilterChain chain) throws IOException, ServletException {
req.setCharacterEncoding(iEncoding);
resp.setCharacterEncoding(iEncoding);
chain.doFilter(req, resp);
}
/**
* Handle blog posts that are not published. If the user is authenticated,
* display a preview bar. If the user is anonymous, seve a 404.
*
* @param request The Sling HTTP Servlet Request.
* @param response The Sling HTTP Servlet Response.
* @param chain The Filter Chain to continue processin the response.
*/
@Override
public void doFilter(final ServletRequest request, final ServletResponse response,
final FilterChain chain) throws IOException, ServletException {
// Since this is a Sling Filter, the request and response objects are guaranteed
// to be of types SlingHttpServletRequest and SlingHttpServletResponse.
final SlingHttpServletRequest slingRequest = (SlingHttpServletRequest)request;
final SlingHttpServletResponse slingResponse = (SlingHttpServletResponse)response;
final Resource resource = slingRequest.getResource();
final String method = slingRequest.getMethod();
final String resourceType = resource.getResourceType();
response.setCharacterEncoding(CharEncoding.UTF_8);
if ("GET".equals(method) && PublickConstants.PAGE_TYPE_BLOG.equals(resourceType)) {
if (!resource.getValueMap().get("visible", false)) {
final boolean authorable = userService.isAuthorable(slingRequest.getResourceResolver().adaptTo(Session.class));
/* If user is logged in and page isn't published, inject a preview bar. */
if (authorable) {
PrintWriter out = response.getWriter();
CharResponseWrapper responseWrapper = new CharResponseWrapper((HttpServletResponse)response);
try {
chain.doFilter(request, responseWrapper);
} catch (Exception e) {
LOGGER.error("Could not continue chain", e);
chain.doFilter(request, response);
}
final String servletResponse = new String(responseWrapper.toString());
final String previewHeader = getPreviewHeader(slingRequest, PREVIEW_HEADER_PATH);
/* Insert component before body close tag. Append to end if body close tag doesn't exist. */
if (servletResponse != null && servletResponse.contains(INSERTION_TAG)) {
String[] html = servletResponse.split(INSERTION_TAG);
out.write(html[0] + INSERTION_TAG + previewHeader + html[1]);
} else {
out.write(servletResponse + previewHeader);
}
} else {
/* If user is not logged in and page isn't published, forward to 404. */
slingResponse.sendError(SlingHttpServletResponse.SC_NOT_FOUND);
}
} else {
chain.doFilter(request, slingResponse);
}
} else {
chain.doFilter(request, slingResponse);
}
}