1. pom.xml <dependency> <groupId>org.apache.httpcomponents</groupId> <artifactId>httpclient</artifactId> <version>4.5.3</version> </dependency> 2. HttpClient.java package com.midea.clean.util; import java.io…

httpclient工具使用(org.apache.httpcomponents.httpclient) 引入依赖 <dependency> <groupId>org.apache.httpcomponents</groupId> <artifactId>httpclient</artifactId> <version>4.3.5</version> </dependency> get请求 public sta…

apache org doc :http://hc.apache.org/httpcomponents-client-ga/tutorial/html/fundamentals.html#d5e49 依赖: <!-- https://mvnrepository.com/artifact/log4j/log4j --> <dependency> <groupId>log4j</groupId> <artifactId>log4j</artif…

如果我们直接通过普通的方式对https的链接发送请求,会报一个如下的错误: javax.net.ssl.SSLHandshakeException: sun.security.validator.ValidatorException: PKIX path building failed: sun.security.provider.certpath.SunCertPathBuilderException: unable to find valid certification path to re…

<dependency> <groupId>org.apache.httpcomponents</groupId> <artifactId>httpclient</artifactId> <version>4.5.1</version> </dependency> 针对4.5版本的Httpclient采用连接池的方式管理连接 package com.wx4jdemo.controller.utils; impo…

基于httpclient 版本4.4.1 因为http连接需要三次握手,在需要频繁调用时浪费资源和时间 故采用连接池的方式连接 根据实际需要更改  连接池最大连接数.路由最大连接数 另一个需要注意的是 // 释放Socket流 response.close(); // 释放Connection // httpClient.close(); import org.apache.http.HttpEntity; import org.apache.http.NameValuePair; import…

package org.apache.http.examples.client; import org.apache.http.HttpEntity; import org.apache.http.HttpHost; import org.apache.http.HttpResponse; import org.apache.http.auth.AuthScope; import org.apache.http.auth.UsernamePasswordCredentials; import o…

一.简述需求 平时我们需要在JAVA中进行GET.POST.PUT.DELETE等请求时,使用第三方jar包会比较简单.常用的工具包有: 1.https://github.com/kevinsawicki/http-request (对应Maven包:http://mvnrepository.com/artifact/com.github.kevinsawicki/http-request) 2.http://mvnrepository.com/artifact/org.apache.httpc…

import org.apache.commons.httpclient.DefaultHttpMethodRetryHandler; import org.apache.commons.httpclient.HttpClient; import org.apache.commons.httpclient.HttpMethod; import org.apache.commons.httpclient.HttpStatus; import org.apache.commons.httpclien…

import java.io.BufferedInputStream; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.FileOutputStream; import java.io.IOException; import java.io.UnsupportedEncodingException; import java.net.U…