java httpclient https或http及文件中转上传工具类

1.该工具类使用httpclient进行http or https请求，包括requestbody格式和form表单格式，另外含文件服务器中转上传方法，几乎支持所有常用接口调用 2.说明 jar包引用lib文件夹里面的或者使用maven的如下： <dependency> <groupId>org.apache.commons</groupId> <artifactId>commons-lang3</artifactId> <version>3.5</version> </dependency> <dependency> <groupId>org.apache.httpcomponents</groupId> <artifactId>httpclient</artifactId> <version>4.5.3</version><!--$NO-MVN-MAN-VER$--> </dependency> <dependency> <groupId>org.apache.httpcomponents</groupId> <artifactId>httpmime</artifactId> <version>4.5.3</version><!--$NO-MVN-MAN-VER$--> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-core</artifactId> <version>4.3.12.RELEASE</version> </dependency> <dependency> <groupId>org.springframework</groupId> <artifactId>spring-web</artifactId> <version>4.3.12.RELEASE</version> </dependency>