httpClient模拟浏览器发请求

2021-12-22 23:33:43

一、介绍

httpClient是Apache公司的一个子项目, 用来提高高效的、最新的、功能丰富的支持http协议的客户端编程工具包。完成可以模拟浏览器发起请求行为。

二、简单使用例子：模拟浏览器发起访问谷歌首页请求

1、pom.xml 配置

    <dependency>

        <groupId>commons-httpclient</groupId>

        <artifactId>commons-httpclient</artifactId>

        <version>3.1</version>

    </dependency>

2、示例

import java.io.IOException;

import org.apache.commons.httpclient.HttpClient;

import org.apache.commons.httpclient.HttpException;

import org.apache.commons.httpclient.HttpMethod;

import org.apache.commons.httpclient.methods.GetMethod;

public class HttpClientDemo {

    public static void main(String[] args) throws HttpException, IOException {

        HttpClient httpClient = new HttpClient();

        String uri = "https://www.google.com";

        HttpMethod method = new GetMethod(uri);

        httpClient.executeMethod(method );

        //服务器返回状态

        print(method.getStatusLine());

        //返回的内容

        print(method.getResponseBodyAsString());

        //释放连接

        method.releaseConnection();

    }

    static void print(Object o) {

        System.out.println(o);

    }

}

打印出来的结果是这样子的

码农公寓

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