下面列出了javax.servlet.ServletResponse#setContentType ( ) 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。
/**
* 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);
}
/**
* 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);
}
@Override
public void service(ServletRequest req, ServletResponse res)
throws ServletException, IOException {
//��ȡ����
String order = req.getParameter("order");
OutputStream os = s.getOutputStream();
//������Server
os.write(order.getBytes());
os.flush();
//����Serverת�����ķ�����Ϣ
InputStream is = s.getInputStream();
byte[] buf = new byte[1024];
int Len = is.read(buf);
String result = new String(buf,0,Len);
res.setContentType("text/html;charset=GBK");
PrintWriter PW = res.getWriter();
PW.write("<html>");
PW.write("<title>");
PW.write("</title>");
PW.write("<body align=\"center\">");
PW.write("<font size=70px>"+result+"<br><br><font>");
PW.write("</body>");
PW.write("</html>");
}
@Override
public void service(ServletRequest request, ServletResponse response)
throws ServletException, IOException {
request.setCharacterEncoding("utf-8");
response.setContentType("text/html;charset=utf-8");
UserDAO userDAO = new UserDAO();
List<User> users = null;
try {
users = userDAO.list();
} catch (Exception e) {
e.printStackTrace();
}
request.setAttribute("users", users);
request.getRequestDispatcher("/WEB-INF/view/list-user.jsp").forward(request, response);
}
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain next) throws IOException, ServletException {
// Respect the client-specified character encoding
// (see HTTP specification section 3.4.1)
if (null == request.getCharacterEncoding()) {
request.setCharacterEncoding(encoding);
}
/**
* Set the default response content type and encoding
*/
response.setContentType("text/html; charset=UTF-8");
response.setCharacterEncoding("UTF-8");
next.doFilter(request, response);
}
@Override
public void service(ServletRequest request, ServletResponse response)
throws ServletException, IOException {
request.setCharacterEncoding("utf-8");
response.setContentType("text/html;charset=utf-8");
String loginname = request.getParameter("loginname");
String password = request.getParameter("password");
String email = request.getParameter("email");
String phone = request.getParameter("phone");
String sex = request.getParameter("sex");
String birth = request.getParameter("birth");
String uname = request.getParameter("uname");
User user = new User(0, loginname, password, email, phone, sex, birth, uname, "0");
UserDAO userDAO = new UserDAO();
PrintWriter out = response.getWriter();
out.println("<!DOCTYPE html>");
out.println("<html>");
out.println(" <head>");
out.println(" </head>");
out.println(" <body>");
if(userDAO.add(user)){
out.println(" 恭喜，注册成功！<a href=\"/login.html\">进入登录页面</a>");
}else{
out.println(" 抱歉，注册失败！<a href=\"/reg.html\">回到首页</a>");
}
out.println(" </body>");
out.println("</html>");
out.flush();
out.close();
}
@Override
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain chain) throws IOException, ServletException {
response.setContentType("text/plain");
response.getWriter().print("Filter");
chain.doFilter(request, response);
}
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());
}
/**
* BUG FIX, run on newer than Tomcat 8.5.35 or Tomcat-9 version, will error :
* Resource interpreted as Stylesheet but transferred with MIME type text/html
*/
private void resetCssAndJavascriptContentType(ServletRequest request, ServletResponse response, String requestUrl) {
if (requestUrl.contains(".css")) {
response.setContentType("text/css; charset=" + Constants.BASE_ENCODING);
}
if (requestUrl.contains(".js")) {
response.setContentType("application/javascript; charset=" + Constants.BASE_ENCODING);
}
}
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 service(ServletRequest request, ServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=utf-8");
String loginname = request.getParameter("loginname");
String password = request.getParameter("password");
UserDAO userDAO = new UserDAO();
User user = userDAO.login(loginname, password);
PrintWriter out = response.getWriter();
out.println("<!DOCTYPE html>");
out.println("<html>");
out.println(" <head>");
out.println(" </head>");
out.println(" <body>");
if(user != null){
((HttpServletRequest)request).getSession().setAttribute("user", user);
if("1".equals(user.getUlevel())){
out.println("<div align=\"center\">欢迎 " + user.getUname() + ", 登录成功！<a href=\"/user/list.action\">点击进入管理员页面</a></div>");
}else{
out.println("<div align=\"center\">欢迎 " + user.getUname() + ", 登录成功！<a href=\"/test.action\">点击开始考试</a></div>");
}
}else{
out.println("<div align=\"center\">登录失败，请重新登录<a href=\"/login.html\">登录</a></div>");
}
out.println(" </body>");
out.println("</html>");
out.flush();
out.close();
}
@Override
protected boolean onAccessDenied(ServletRequest servletRequest, ServletResponse servletResponse) throws Exception {
Subject subject = getSubject(servletRequest, servletResponse);
if (!subject.isAuthenticated() && !subject.isRemembered()) {
if (isAjax((HttpServletRequest) servletRequest)) {
servletResponse.setContentType("application/json;charset=UTF-8");
PrintWriter out = servletResponse.getWriter();
out.write("{\"msg\":\"登录过期，请重新登录\",\"code\":401}");
out.flush();
return false;
}
}
return true;
}
private void asyncError(AsyncContext asyncContext, Message message) {
try {
Map<String, Object> result = new HashMap<>();
result.put("status", -1);
result.put("error", message.getMessageId());
ServletResponse response = asyncContext.getResponse();
response.setContentType("application/json");
MAPPER.writeValue(response.getWriter(), result);
} catch (Exception e) {
logger.error("return message error {} - {}", message.getSubject(), message.getMessageId());
} finally {
asyncContext.complete();
}
}
@Override
public void service(ServletRequest req, ServletResponse res) throws ServletException, IOException {
try {
Thread.sleep(10000);
} catch (Exception e) {
e.printStackTrace();
}
res.setContentType("text/html");
PrintWriter out = res.getWriter();
ReadHTML.readHTML(out, req.getParameter("taintedtext"), req);
}
private void generateResponseForIsBackupFinishedAPI(ServletResponse response) {
response.setContentType("application/json");
JsonObject json = new JsonObject();
json.addProperty("is_backing_up", backupService.isBackingUp());
try {
response.getWriter().print(json);
} catch (IOException e) {
LOGGER.error("General IOException: {}", e.getMessage());
}
}
private void sendErrorWhenNotHttp(ServletResponse response)
throws IOException {
response.setContentType(PLAIN_TEXT_MIME_TYPE);
response.getWriter().write(sm.getString("http.403"));
response.getWriter().flush();
}
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain chain) throws IOException, ServletException {
request.setCharacterEncoding(encoding);
response.setContentType("text/html;charset=" + encoding);
chain.doFilter(request, response);
}
private void sendErrorWhenNotHttp(ServletResponse response)
throws IOException {
response.setContentType(PLAIN_TEXT_MIME_TYPE);
response.getWriter().write(sm.getString("http.403"));
response.getWriter().flush();
}
@Override
public void service(ServletRequest req, ServletResponse res) throws ServletException, IOException {
res.setContentType("text/html");
ServletOutputStream out = res.getOutputStream();
ReadHTML.readHTML(out, req.getParameter("taintedtext"), req);
}
private void response(ServletResponse resp) throws IOException {
resp.setContentType("application/json");
RecordQueryResult result = new RecordQueryResult(Collections.emptyList());
resp.getWriter().println(serializer.serialize(result));
}