本文整理汇总了Java中javax.servlet.http.HttpServletRequest.getParameterNames方法的典型用法代码示例。如果您正苦于以下问题：Java HttpServletRequest.getParameterNames方法的具体用法？Java HttpServletRequest.getParameterNames怎么用？Java HttpServletRequest.getParameterNames使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类javax.servlet.http.HttpServletRequest的用法示例。
在下文中一共展示了HttpServletRequest.getParameterNames方法的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: doPost
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"));
}
示例2: createGetMethod
import javax.servlet.http.HttpServletRequest; //导入方法依赖的package包/类
@SuppressWarnings("unchecked")
private HttpMethod createGetMethod(HttpServletRequest req, String uri) throws ServletException,
NotLoggedInException {
GetMethod get = new GetMethod(uri);
addUserNameToHeader(get, req);
addAcceptEncodingHeader(get, req);
get.getParams().setContentCharset("UTF-8");
HttpMethodParams params = new HttpMethodParams();
Enumeration e = req.getParameterNames();
while (e.hasMoreElements()) {
String paramName = (String) e.nextElement();
for (String value : req.getParameterValues(paramName)) {
params.setParameter(paramName, value);
}
}
get.setParams(params);
return get;
}
示例3: processRequest
import javax.servlet.http.HttpServletRequest; //导入方法依赖的package包/类
/**
* Processes requests for both HTTP
* <code>GET</code> and
* <code>POST</code> methods.
*
* @param request servlet request
* @param response servlet response
* @throws ServletException if a servlet-specific error occurs
* @throws IOException if an I/O error occurs
*/
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=UTF-8");
PrintWriter out = response.getWriter();
try {
if(sc==null)
{
sc = getServletConfig();
if(sc!=null) init(sc);
}
Map<String, String> __params = new HashMap<String, String>();
Enumeration __e = request.getParameterNames();
while (__e.hasMoreElements()) {
String tField = __e.nextElement().toString();
__params.put(tField, request.getParameter(tField));
}
__params.put("contextpath", request.getContextPath());
String __result=getResponce(__params);
out.println(__result);
} finally {
out.flush();
out.close();
}
}
示例4: doPost
import javax.servlet.http.HttpServletRequest; //导入方法依赖的package包/类
/**
* Only interested in the parameters and values for POST requests.
*/
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
// Just echo the parameters and values back as plain text
resp.setContentType("text/plain");
PrintWriter out = resp.getWriter();
// Assume one value per attribute
Enumeration<String> names = req.getParameterNames();
while (names.hasMoreElements()) {
String name = names.nextElement();
out.println(name + "=" + req.getParameter(name));
}
}
示例5: createPostMethod
import javax.servlet.http.HttpServletRequest; //导入方法依赖的package包/类
private HttpMethod createPostMethod(HttpServletRequest req, String redirectUrl) throws ServletException,
NotLoggedInException {
PostMethod post = new PostMethod(redirectUrl);
addUserNameToHeader(post, req);
addAcceptEncodingHeader(post, req);
post.getParams().setContentCharset("UTF-8");
List<NameValuePair> pairs = new ArrayList<NameValuePair>();
@SuppressWarnings("unchecked")
Enumeration e = req.getParameterNames();
while (e.hasMoreElements()) {
String paramName = (String) e.nextElement();
String[] values = req.getParameterValues(paramName);
for (String value : values) {
NameValuePair pair = new NameValuePair(paramName, value);
pairs.add(pair);
}
}
post.addParameters(pairs.toArray(new NameValuePair[0]));
return post;
}
示例6: doBefore
import javax.servlet.http.HttpServletRequest; //导入方法依赖的package包/类
@Before("webLog()")
public void doBefore(JoinPoint joinPoint){
log.info("------------日志开始:"+LocalDateTime.now()+"------------");
startTime.set(System.currentTimeMillis());
// 接收到请求，记录请求内容
log.info("WebLogAspect.doBefore()");
ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
HttpServletRequest request = attributes.getRequest();
// 记录下请求内容
log.info("URL : " + request.getRequestURL().toString());
log.info("HTTP_METHOD : " + request.getMethod());
log.info("IP : " + request.getRemoteAddr());
log.info("CLASS_METHOD : " + joinPoint.getSignature().getDeclaringTypeName() + "." + joinPoint.getSignature().getName());
log.info("ARGS : " + Arrays.toString(joinPoint.getArgs()));
//获取所有参数方法一：
Enumeration enu=request.getParameterNames();
while(enu.hasMoreElements()){
String paraName=(String)enu.nextElement();
log.info("PARAM :"+"("+paraName+" : "+request.getParameter(paraName)+")");
}
}
示例7: removeParam
import javax.servlet.http.HttpServletRequest; //导入方法依赖的package包/类
/**
* 移除request指定参数
* @param request
* @param paramName
* @return
*/
public String removeParam(HttpServletRequest request, String paramName) {
String queryString = "";
Enumeration keys = request.getParameterNames();
while (keys.hasMoreElements()) {
String key = (String) keys.nextElement();
if (key.equals(paramName)) {
continue;
}
if (queryString.equals("")) {
queryString = key + "=" + request.getParameter(key);
} else {
queryString += "&" + key + "=" + request.getParameter(key);
}
}
return queryString;
}
示例8: getParameter
import javax.servlet.http.HttpServletRequest; //导入方法依赖的package包/类
protected String getParameter(HttpServletRequest req, String parameter)
throws ServletException {
String value = req.getParameter(parameter);
if (value == null || value.trim().isEmpty()) {
if (DEBUG) {
StringBuilder parameters = new StringBuilder();
@SuppressWarnings("unchecked")
Enumeration<String> names = req.getParameterNames();
while (names.hasMoreElements()) {
String name = names.nextElement();
String param = req.getParameter(name);
parameters.append(name).append("=").append(param).append("\n");
}
logger.fine("parameters: " + parameters);
}
throw new ServletException("Parameter " + parameter + " not found");
}
return value.trim();
}
示例9: CGIProcessEnvironment
import javax.servlet.http.HttpServletRequest; //导入方法依赖的package包/类
/**
* Creates a ProcessEnvironment and derives the necessary environment,
* working directory, command, etc.
* @param req HttpServletRequest for information provided by
* the Servlet API
* @param context ServletContext for information provided by
* the Servlet API
* @param cgiPathPrefix subdirectory of webAppRootDir below which the
* web app's CGIs may be stored; can be null or "".
* @param debug int debug level (0 == none, 6 == lots)
*/
public CGIProcessEnvironment(HttpServletRequest req,
ServletContext context, String cgiPathPrefix, int debug) {
super(req, context, debug);
this.cgiPathPrefix = cgiPathPrefix;
queryParameters = new Hashtable();
Enumeration paramNames = req.getParameterNames();
while (paramNames != null && paramNames.hasMoreElements()) {
String param = paramNames.nextElement().toString();
if (param != null) {
queryParameters.put(param,
URLEncoder.encode(req.getParameter(param)));
}
}
this.valid = deriveProcessEnvironment(req);
}
示例10: getSearchFilter
import javax.servlet.http.HttpServletRequest; //导入方法依赖的package包/类
/**
* 将请求参数封装到SearchFilter
* @param request javax.servlet.http.HttpServletRequest
* @see SearchFilter
* @return SearchFilter
*/
static SearchFilter getSearchFilter(HttpServletRequest request) {
SearchFilter searchFilter = new SearchFilter();
Enumeration<String> names = request.getParameterNames();
while (names.hasMoreElements()) {
String name = names.nextElement();
if ("page".equals(name)) {
searchFilter.setPage(Integer.parseInt(request.getParameter(name)));
continue;
}
if ("rows".equals(name)) {
searchFilter.setRows(Integer.parseInt(request.getParameter(name)));
continue;
}
searchFilter.addParam(name, request.getParameter(name));
}
return searchFilter;
}
示例11: buildParameters
import javax.servlet.http.HttpServletRequest; //导入方法依赖的package包/类
protected Map<String, Object> buildParameters(HttpServletRequest req) {
Map<String,Object> parameters=new HashMap<String,Object>();
Enumeration<?> enumeration=req.getParameterNames();
while(enumeration.hasMoreElements()){
Object obj=enumeration.nextElement();
if(obj==null){
continue;
}
String name=obj.toString();
String value=req.getParameter(name);
if(name==null || value==null || name.startsWith("_")){
continue;
}
parameters.put(name, decode(value));
}
return parameters;
}
示例12: catchAll
import javax.servlet.http.HttpServletRequest; //导入方法依赖的package包/类
@RequestMapping("/**")
public String catchAll(HttpServletRequest req, HttpServletResponse res) {
log(req);
StringBuffer postData = new StringBuffer();
Enumeration<String> postParms = req.getParameterNames();
while (postParms.hasMoreElements()) {
String parm = postParms.nextElement();
if ("access_token".equals(parm.toLowerCase())) {
postData.append(parm).append("=").append("<redacted>");
} else {
if (postData.length() > 0) {
postData.append("&");
}
postData.append(parm).append("=").append(req.getParameter(parm));
}
}
log.debug("Unsupported URL: {} {}", req.getMethod(), req.getRequestURL());
if (postData.length() > 0) {
log.debug("POST data: {}", postData);
}
try {
log.debug("Body: {}", IOUtils.toString(req.getInputStream(), StandardCharsets.UTF_8));
} catch (IOException e) {
log.debug("Body: Unable to read", e);
}
res.setStatus(HttpServletResponse.SC_NOT_FOUND);
return DefaultExceptionHandler.handle("M_NOT_IMPLEMENTED", "Not implemented");
}
示例13: doFilter
import javax.servlet.http.HttpServletRequest; //导入方法依赖的package包/类
@Override
public void doFilter(ServletRequest request, ServletResponse response,
FilterChain chain) throws IOException, ServletException {
HttpServletRequest req = (HttpServletRequest) request;
HttpServletResponse res = (HttpServletResponse) response;
//获得所有请求参数名
@SuppressWarnings("rawtypes")
Enumeration params = req.getParameterNames();
String sql = "";
while (params.hasMoreElements()) {
//得到参数名
String name = params.nextElement().toString();
//System.out.println("name===========================" + name + "--");
//得到参数对应值
String[] value = req.getParameterValues(name);
for (int i = 0; i < value.length; i++) {
sql = sql + value[i];
}
}
//System.out.println("============================SQL"+sql);
//有sql关键字，跳转到error.html
if (sqlValidate(sql)) {
res.sendRedirect("error.html");
//String ip = req.getRemoteAddr();
} else {
chain.doFilter(req, res);
}
}
示例14: uploadImageData
import javax.servlet.http.HttpServletRequest; //导入方法依赖的package包/类
public static List<String> uploadImageData(HttpServletRequest request) {
List<String> fileNames = InstanceUtil.newArrayList();
Enumeration<String> params = request.getParameterNames();
String pathDir = getUploadDir(request);
File dir = new File(pathDir);
if (!dir.exists()) {
dir.mkdirs();
}
while (params.hasMoreElements()) {
String key = params.nextElement();
String fileStr = request.getParameter(key);
if (fileStr != null && !"".equals(fileStr)) {
int index = fileStr.indexOf("base64");
if (index > 0) {
try {
String fileName = UUID.randomUUID().toString();
String preStr = fileStr.substring(0, index + 7);
String prefix = preStr.substring(preStr.indexOf("/") + 1, preStr.indexOf(";")).toLowerCase();
fileStr = fileStr.substring(fileStr.indexOf(",") + 1);
byte[] bb = Base64.getDecoder().decode(fileStr);
for (int j = 0; j < bb.length; ++j) {
if (bb[j] < 0) {// 调整异常数据
bb[j] += 256;
}
}
String distPath = pathDir + fileName + "." + prefix;
OutputStream out = new FileOutputStream(distPath);
out.write(bb);
out.flush();
out.close();
fileNames.add(fileName + "." + prefix);
} catch (Exception e) {
logger.error("上传文件异常：", e);
}
}
}
}
return fileNames;
}
示例15: buildQueryParamsMap
import javax.servlet.http.HttpServletRequest; //导入方法依赖的package包/类
protected static Map<String, Object> buildQueryParamsMap(HttpServletRequest request) {
Map<String, Object> params = new HashMap<String, Object>();
Enumeration<String> e = request.getParameterNames();
StringBuilder tmpbuff = new StringBuilder();
if (e.hasMoreElements()) {
while (e.hasMoreElements()) {
String name = e.nextElement();
String[] values = request.getParameterValues(name);
if (values.length == 1) {
if (StringUtils.isNotBlank(values[0]))
params.put(name, values[0]);
} else {
tmpbuff.setLength(0);
for (int i = 0; i < values.length; i++) {
if (StringUtils.isNotBlank(values[i])) {
tmpbuff.append(values[i].trim()).append(",");
}
}
if (tmpbuff.length() > 0) {
tmpbuff.deleteCharAt(tmpbuff.length() - 1);
params.put(name, tmpbuff.toString());
}
}
}
}
return params;
}