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request.getRequestURL()等方法得到路徑的區(qū)別及說(shuō)明_java_腳本之家

request.getRequestURL() 返回全路徑 request.getRequestURI() 返回除去host(域名或者ip)部分的路徑 request.getContextPath() 返回工程名部分,如果工程映射為/,此處返回則為空 request.getServletPath() 返回除去host和工程名部分的路徑 此處是運(yùn)行結(jié)果
www.dbjr.com.cn/program/3103487...htm 2025-6-12

java如何發(fā)送get請(qǐng)求獲取數(shù)據(jù)(附代碼)_java_腳本之家

import okhttp3.Request; import okhttp3.Response; import java.io.IOException; public class GetRequestUsingOkHttp { public static void main(String[] args) { String url = "https://api.example.com/data"; // 替換成實(shí)際的API地址 OkHttpClient httpClient = new OkHttpClient(); Request request =...
www.dbjr.com.cn/program/302917f...htm 2025-6-3

SpringBoot獲取Request請(qǐng)求的三種方式小結(jié)_java_腳本之家

在非Controller方法中,可以使用RequestContextHolder來(lái)獲取ServletRequestAttributes對(duì)象,再?gòu)脑搶?duì)象中獲取HttpServletRequest和HttpServletResponse。 原理講解:Spring會(huì)將所有的請(qǐng)求參數(shù)、頭部信息等封裝到ServletRequestAttributes對(duì)象中。通過(guò)調(diào)用RequestContextHolder的getRequestAttributes()方法可以獲取到該對(duì)象,再通過(guò)ServletRequest...
www.dbjr.com.cn/program/332282p...htm 2025-5-28

jsp跳轉(zhuǎn)getRequestDispatcher()和sendRedirect()的區(qū)別_JSP編程_腳本...

3.ServletContext.getRequestDispatcher(String url)中的url只能使用絕對(duì)路徑; 而ServletRequest.getRequestDispatcher(String url)中的url可以使用相對(duì)路徑。因?yàn)镾ervletRequest具有相對(duì)路徑的概念;而ServletContext對(duì)象無(wú)次概念。 RequestDispatcher對(duì)象從客戶端獲取請(qǐng)求request,并把它們傳遞給服務(wù)器上的servlet,html或jsp。它有...
www.dbjr.com.cn/article/492...htm 2025-6-7

RequestContextHolder.getRequestAttributes()空指針問(wèn)題及解決_java...

1、RequestContextHolder.getRequestAttributes()為null 是由于保存requestAttributes的對(duì)象是線程隔離的ThreadLocal對(duì)象,當(dāng)http請(qǐng)求發(fā)送到服務(wù)端時(shí),每個(gè)請(qǐng)求會(huì)開啟一個(gè)線程來(lái)處理,由RequestContextListener來(lái)初始化RequestContextHolder。 1 RequestContextHolder.setRequestAttributes(attributes); ...
www.dbjr.com.cn/program/313326p...htm 2025-6-8

在SpringBoot項(xiàng)目中獲取Request的四種方法_java_腳本之家

String methodName = request.getHeader("methodName"); ... } 該方法實(shí)現(xiàn)的原理是,在Controller方法開始處理請(qǐng)求時(shí),Spring會(huì)將request對(duì)象賦值到方法參數(shù)中。此時(shí)request對(duì)象是方法參數(shù),相當(dāng)于局部變量,毫無(wú)疑問(wèn)是線程安全的。 Controller中獲取request對(duì)象后,如果要在其他方法中(如service方法、工具類方法等)使用request...
www.dbjr.com.cn/program/306298q...htm 2025-6-10

Spring Boot中獲取request的三種方式及請(qǐng)求過(guò)程_java_腳本之家

二、獲取request的三種方式 2.1、可以封裝為靜態(tài)方法 1 2 3 ServletRequestAttributes servletRequestAttributes = (ServletRequestAttributes)RequestContextHolder.getRequestAttributes(); HttpServletRequest request = servletRequestAttributes.getRequest(); HttpServletResponse response = servletRequestAttributes.getResponse...
www.dbjr.com.cn/article/2424...htm 2025-6-8

如何在Spring WebFlux的任何地方獲取Request對(duì)象_java_腳本之家

在常規(guī)的Spring Web項(xiàng)目中,我們要獲取Request對(duì)象是非常方便的,不少庫(kù)都提供了靜態(tài)方法來(lái)獲取。獲取代碼如下: 1 2 3 ServletRequestAttributes requestAttributes = (ServletRequestAttributes)RequestContextHolder.getRequestAttributes(); // get the request
www.dbjr.com.cn/article/2047...htm 2025-5-27

C#模擬http 發(fā)送post或get請(qǐng)求的簡(jiǎn)單實(shí)例_C#教程_腳本之家

request.Method ="POST"; request.ContentType ="application/x-www-form-urlencoded"; request.ContentLength = Encoding.UTF8.GetByteCount(postDataStr); request.CookieContainer = cookie; Stream myRequestStream = request.GetRequestStream(); StreamWriter myStreamWriter =newStreamWriter(myRequestStream, Encodi...
www.dbjr.com.cn/article/860...htm 2025-6-7

如何在springMVC的controller中獲取request_java_腳本之家

// 獲得request對(duì)象,response對(duì)象 ServletRequestAttributes attributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes(); HttpServletRequest request = attributes.getRequest(); HttpServletResponse response = attributes.getResponse(); ...
www.dbjr.com.cn/article/1762...htm 2025-6-9