Java HttpServletRequest.setCharacterEncoding方法代码示例

import javax.servlet.http.HttpServletRequest; //导入方法依赖的package包/类
@Override
public void doFilter(ServletRequest req, ServletResponse resp, FilterChain chain) throws IOException, ServletException {
    HttpServletRequest request = (HttpServletRequest) req;
    HttpServletResponse response = (HttpServletResponse) resp;

    request.setCharacterEncoding(encoding);
    response.setCharacterEncoding(encoding);

    String target = request.getRequestURI();
    if (contextPathLength != 0) {
        target = target.substring(contextPathLength);
    }

    boolean handle = actionHandler.handle(target, request, response);

    if (!handle) {// 没有处理则放行
        chain.doFilter(request, response);
    }
}
 

import javax.servlet.http.HttpServletRequest; //导入方法依赖的package包/类
@Override
protected void service(HttpServletRequest request, HttpServletResponse response)
		throws ServletException, IOException {
	request.setCharacterEncoding("UTF-8");
	response.setContentType("text/html;charset=UTF-8");
	String method = request.getParameter("method");
	if ("check".equals(method)) {
		toCehck(request, response);
	}
	if ("query".equals(method)) {
		toGetAll(request, response);
	}
	if ("nosignin".equals(method)) {
		toGetNoSignin(request, response);
	}
}
 

import javax.servlet.http.HttpServletRequest; //导入方法依赖的package包/类
@Override
protected void service(HttpServletRequest request, HttpServletResponse response) 
		throws ServletException, IOException {
	// TODO Auto-generated method stub
	request.setCharacterEncoding("UTF-8");
   	response.setContentType("text/html;charset=utf-8;");
   	
   	String adminLogout = request.getParameter("adminLogout");
   	JSONObject js = new JSONObject();
   	
   	if(null != adminLogout && "adminLogout".equals(adminLogout)) {
   		if(null != request.getSession().getAttribute("loginedAdmin"))
   			request.getSession().removeAttribute("loginedAdmin");
   		
   		js.put("logout", "success");
   		response.getWriter().print(js);
   	} else {
   		js.put("logout", "fail");
   		response.getWriter().print(js);
   	}
   	
}
 

import javax.servlet.http.HttpServletRequest; //导入方法依赖的package包/类
public void dispatch(ControllerContext controllerContext)
        throws ServletException, IOException, NoResourceException {
    HttpServletRequest request=controllerContext.getRequest();
    HttpServletResponse response=controllerContext.getResponse();
    request.setCharacterEncoding("UTF-8");
    response.setContentType("text/html;charset=UTF-8");
    String URI=request.getRequestURI();
    System.out.println(URI);
    String actionString=URI.substring(URI.lastIndexOf("/")+1, URI.indexOf("."));
    System.out.println(actionString);
    ActionDescriptor matchedActionDescriptor = actionConfiguration.findMatchedAction(actionString);
    controllerContext.setActionDescriptor(matchedActionDescriptor);
    String resultString="";
    if(matchedActionDescriptor ==null){//didn't find this action in configuration file
        throw new NoResourceException("matched ActionDescriptor is null.");
    }else {
        resultString = useProxy(controllerContext);
    }
    if(controllerContext.getResultDescriptor()==null)
        controllerContext.setResultDescriptor(resultString);
}
 

import javax.servlet.http.HttpServletRequest; //导入方法依赖的package包/类
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp)
        throws ServletException, IOException {
    req.setCharacterEncoding("UTF-8");

    if (req.getRequestURI().endsWith("parseParametersBeforeParseParts")) {
        req.getParameterNames();
    }

    req.getPart("part");

    resp.setContentType("text/plain");
    resp.setCharacterEncoding("UTF-8");

    resp.getWriter().println("Part " + req.getParameter("part"));
}
 

import javax.servlet.http.HttpServletRequest; //导入方法依赖的package包/类
@Override
protected void service(HttpServletRequest request, HttpServletResponse response) 
		throws ServletException, IOException {
	// TODO Auto-generated method stub
	request.setCharacterEncoding("UTF-8");
   	response.setContentType("text/html;charset=utf-8;");
   	
   	String gameUserLogout = request.getParameter("gameUserLogout");
   	JSONObject js = new JSONObject();
   	
   	if(null != gameUserLogout && "gameUserLogout".equals(gameUserLogout)) {
   		if(null != request.getSession().getAttribute("loginedGameUser"))
   			request.getSession().removeAttribute("loginedGameUser");
   		
   		js.put("logout", "success");
   		response.getWriter().print(js);
   	} else {
   		js.put("logout", "fail");
   		response.getWriter().print(js);
   	}
   	
}
 

import javax.servlet.http.HttpServletRequest; //导入方法依赖的package包/类
@Override
public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object arg2) throws Exception {

	request.setCharacterEncoding("utf-8");
	response.setCharacterEncoding("utf-8"); 
	HttpSession session = request.getSession();
	if (!"".equals(session.getAttribute(Constant.USERNAME))&& session.getAttribute(Constant.USERNAME)!=null && !"".equals(session.getAttribute(Constant.TOKEN)) && session.getAttribute(Constant.TOKEN)!=null ) {
		return true; 
	} else {
		PrintWriter out;  
		out = response.getWriter();
		String json;
		Gson gson = new Gson();
		Message<String> message = new Message<String>("-200","管理员未登录，请重新登录","");//初始化message对象
           json = gson.toJson(message, Message.class); //使用gson将Message对象转化为字符串
		out.print(json);  
		return false;
	}
		
}
 

import javax.servlet.http.HttpServletRequest; //导入方法依赖的package包/类
@Override
	protected void doGet(HttpServletRequest req, HttpServletResponse resp)
			throws ServletException, IOException {
		//�����ַ�����ʽ
		req.setCharacterEncoding("utf-8");
		resp.setCharacterEncoding("utf-8");
		//���Ȼ�ÿͻ��˷����������(keyword)
		String keyword1 = req.getParameter("keyword");
		String keyword = Escape.unescape(keyword1);
		//��ùؼ���֮����д��?�õ��������
		List<String> listData = getData(keyword);
		
//		System.out.println(JSONArray.fromObject(listData));
//		JSONArray.fromObject(listData);
		//����json��ʽ
		resp.getWriter().write(JSONArray.fromObject(listData).toString());
	}
 

import javax.servlet.http.HttpServletRequest; //导入方法依赖的package包/类
/**
 * 请求委托
 * @param request
 * @param response
 * @param httpServlet
 */
public void entrust(HttpServletRequest request, HttpServletResponse response, HttpServlet httpServlet){
	method = request.getMethod();
	this.request = request;
	response.setCharacterEncoding(encode);
	
	//设置POST请求的字符编码
	if(method.equals("POST")){
		try {
			request.setCharacterEncoding(encode);
		} catch (UnsupportedEncodingException e) {
			e.printStackTrace();
		}
	}
	
	//设置Content-Type
	response.setHeader("Content-Type", "text/html;charset=" + encode);
	
	execute(request, response, httpServlet);
}
 

import javax.servlet.http.HttpServletRequest; //导入方法依赖的package包/类
/**
 * 历史导出列表
 * 
 * @param response
 * @param request
 * @throws IOException
 */
@RequestMapping(value = "/admin/getdownloadimageshistory", method = RequestMethod.POST)
public void getDownloadImagesHistory(HttpServletResponse response, @RequestParam("start") String start,
		@RequestParam("page_num") String page_size, HttpServletRequest request) throws IOException {

	request.setCharacterEncoding("utf-8");
	response.setCharacterEncoding("utf-8"); // 设置响应responce编码为utf-8
	PrintWriter out = response.getWriter();
	SplitObject<ExportHistoryLabel> splitObject = new SplitObject<ExportHistoryLabel>();
	String json;
	Gson gson = new Gson();
	// 获取所有历史列表
	List<ExportHistoryLabel> exportHistoryLabels = exportService.gExportHistoryLabels(Integer.parseInt(start),
			Integer.parseInt(page_size));

	// 获取历史列表数量
	int num = new Long(exportService.exportHistoryLabelsNum()).intValue();

	splitObject.setList(exportHistoryLabels);
	if (num % Constant.DEVI_NUM == 0) {
		splitObject.setPages_num(num / Constant.DEVI_NUM);
	} else {
		splitObject.setPages_num((num / Constant.DEVI_NUM + 1));
	}
	Message<SplitObject<ExportHistoryLabel>> message = new Message<SplitObject<ExportHistoryLabel>>("200", "",
			splitObject);// 初始化message对象
	json = gson.toJson(message, Message.class); // 使用gson将Message对象转化为字符串
	out.print(json);
}
 

import javax.servlet.http.HttpServletRequest; //导入方法依赖的package包/类
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException
{
	HttpServletRequest req = (HttpServletRequest) request;
	HttpServletResponse res = (HttpServletResponse) response;
	req.setCharacterEncoding(this.encoding);
	if (this.forceEncoding) {
		res.setCharacterEncoding(this.encoding);
	}
	chain.doFilter(req, res);
}
 

import javax.servlet.http.HttpServletRequest; //导入方法依赖的package包/类
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    resp.setCharacterEncoding("UTF-8");
    req.setCharacterEncoding("UTF-8");
    getHeadersInfo(req);
    routeByHeader(req);
    String retJson = "hello i'm running... server time: " + TimeUtil.msec2date(System.currentTimeMillis()) + " ,version " + Params.versionName;
    PrintWriter writer = resp.getWriter();
    writer.write(retJson);
    writer.flush();
    writer.close();
}
 

import javax.servlet.http.HttpServletRequest; //导入方法依赖的package包/类
/**
 * Process current get or post request.
 * 
 * @param req Http servlet request.
 * @param resp Http servlet response.
 * @throws ServletException If the request could not be handled.
 * @throws IOException If an input or output error is detected.
 */
private void processAction(HttpServletRequest req, HttpServletResponse resp)
        throws ServletException, IOException {
    req.setCharacterEncoding("UTF-8");
    req.getSession().setAttribute("register", Boolean.FALSE);
    if (req.getParameter("action") != null) {
        checkLoginParameters(req);
    } else {
        req.getSession().setAttribute("error", false);
    }

    List<BlogUser> users = DAOProvider.getDAO().getAllUsers();
    req.setAttribute("users", users);
    req.getRequestDispatcher("/WEB-INF/pages/Index.jsp").forward(req, resp);
}
 

import javax.servlet.http.HttpServletRequest; //导入方法依赖的package包/类
@Override
public void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
	// TODO Auto-generated method stub
	//设置request和response的编码格式
	request.setCharacterEncoding("UTF-8");
	response.setContentType("text/html;charset=utf-8;");
			
	String userName = request.getParameter("username");
	String userId = request.getParameter("id");
	String userPhone = request.getParameter("phone");
	String userEmail = request.getParameter("email");
	String userPassword = request.getParameter("pwd");
	String serverId = request.getParameter("area");
	
	System.out.println("{" + userName + ";"+ userId + ";"+ userPhone +";" + userEmail + ";"+ serverId +"}");
	
	// 得到验证码输入框中的验证码的值
	String chkCode = request.getParameter("chkcode");
	
	// 获得session对象
	HttpSession session = request.getSession();

	// 得到session中验证码的值
	String tmpCode = (String) session.getAttribute("checkcode");

	System.out.println("老子的注册servlet被调戏了QAQ");
	
	//验证码的比较结果
	boolean flag = tmpCode.equals(new String(chkCode).toLowerCase());
	
	if(!flag){
		response.sendRedirect("/GameProject/jsp/regist.jsp?time=" + new java.util.Date().getTime());
	}
	
	//注册失败,跳转到registFailed页面
	boolean flag1 = guDao.gameUserRegist(userName, userId, userPhone, userEmail, userPassword, serverId);
	if(!flag1) {
		response.sendRedirect("/GameProject/userjsp/registFailed.jsp");
	}
	
	//注册成功,利用session代理该对象的数据
	GameUser gu = new GameUser();
	gu.setServerId(serverId);
	gu.setUserName(userName);
	gu.setUserPassword(userPassword);
	
	if(null == session.getAttribute("loginedGameUser") &&
			null == session.getAttribute("autoLogin"))//session为空时,说明时第一次登陆,将数据加入session代理
		session.setAttribute("loginedGameUser", gu);//session代理该gameuser对象
		session.setAttribute("autoLogin", "no");//注册成功默认是不自动登录
	
	//注册成功,跳转到registSuccess页面
	response.sendRedirect("/GameProject/userjsp/registSuccess.jsp");
}
 

import javax.servlet.http.HttpServletRequest; //导入方法依赖的package包/类
public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
{
	response.setContentType("text/html;charset=UTF-8");
	request.setCharacterEncoding("UTF-8");
	HttpSession s = request.getSession();
	s.removeValue("user_id");   
       s.invalidate();   
	response.sendRedirect("login.jsp");
}