1.首先看ServletRequest的API javax.servlet Interface ServletRequest All Known Subinterfaces: HttpServletRequest All Known Implementing Classes: HttpServletRequestWrapper,ServletRequestWrapper Method Summary ServletRequest是一个接口,有一个子接口类和两个实现类,表格中显示的方法,由于本人精力和知识有限,只测试其中...
* Returns a java.security.Principal object containing * the name of the current authenticated user. If the user has not been * authenticated, the method returns null. * @return a java.security.Principal containing * the name of the user making this request; * null if the user has not bee...
java.lang.StringgetLocalAddr() Returns the Internet Protocol (IP) address of the interface on which the request was received. java.util.LocalegetLocale() Returns the preferredLocalethat the client will accept content in, based on the Accept-Language header. ...
Returns anEnumerationofLocaleobjects indicating, in decreasing order starting with the preferred locale, the locales that are acceptable to the client based on the Accept-Language header. StringgetLocalName() Returns the host name of the Internet Protocol (IP) interface on which the request was rec...
定义Servlet的初始化参数注解 11 * @author: 孤傲苍狼 12 * @date: 2014-10-1 下午3:25:53 13 * 14 */ 15 @Retention(RetentionPolicy.RUNTIME) 16 @Target(ElementType.TYPE) 17 public @interface WebInitParam { 18 //参数名 19 String paramName() default ""; 20 //参数的值 21 String paramVa...
Interface HttpServletRequest All Superinterfaces: ServletRequest All Known Implementing Classes: HttpServletRequestWrapper 这里只列举常用的几个方法(有些API中没有列举到的,是在ServletRequest中已有的方法): (1)获得客户机信息 getRequestURL():返回客户端发出请求时的完整URL。
Returns the Internet Protocol (IP) address of the interface on which the request was received. LocalegetLocale() Returns the preferredLocalethat the client will accept content in, based on the Accept-Language header. Enumeration<Locale>getLocales() ...
这个错误通常表示Java虚拟机在运行时无法找到javax.servlet.http.HttpServletRequest类。 这个错误java.lang.NoClassDefFoundError: javax/servlet/http/HttpServletRequest通常发生在以下几种情况: 类路径未正确配置: 确保你的项目中包含了servlet-api.jar或jakarta.servlet-api.jar,并且这个JAR文件在运行时类路径中。 对于...
In a servlet, we can retrieve the individual parts of themultipart/form-datarequest using thegetPart(String name)method for a specific part orgetParts()to retrieve all parts. ThePartinterface provides methods to access details like the file name, content type, size, and input stream. ...
Controller方法的参数类型可以是基本类型,也可以是封装后的普通Java类型。若这个普通Java类型没有声明任何注解,则意味着它的每一个属性都需要到Request中去查找对应的请求参数。 代码语言:javascript 代码运行次数:0 运行 AI代码解释 // @since 1.2publicclassWebDataBinderextendsDataBinder{// 此字段意思是:字段标记 比如...