java httpclient 发送post请求

1. pom 配置

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>

    <groupId>org.example</groupId>
    <artifactId>TestNgDemo</artifactId>
    <version>1.0-SNAPSHOT</version>

    <build>
        <plugins>
            <!--testng打jar包运行的插件引入-->
            <plugin>
                <groupId>org.apache.maven.plugins</groupId>

                <artifactId>maven-surefire-plugin</artifactId>
                <version>2.20.1</version>

                <configuration>

                    <suiteXmlFiles>

                        <suiteXmlFile>
                            ./src/main/resources/testng.xml
                        </suiteXmlFile>
                    </suiteXmlFiles>

                </configuration>
            </plugin>
        </plugins>
    </build>

    <dependencies>
        <dependency>
            <groupId>org.apache.httpcomponents</groupId>
            <artifactId>httpclient</artifactId>
            <version>4.1.2</version>
        </dependency>

        <dependency>
            <groupId>org.testng</groupId>
            <artifactId>testng</artifactId>
            <version>6.10</version>
        </dependency>
        <dependency>
            <groupId>org.json</groupId>
            <artifactId>json</artifactId>
            <version>20170516</version>
        </dependency>
        <dependency>
            <groupId>org.mybatis</groupId>
            <artifactId>mybatis</artifactId>
            <version>3.4.4</version>
        </dependency>
        <dependency>
            <groupId>mysql</groupId>
            <artifactId>mysql-connector-java</artifactId>
            <version>5.1.38</version>
        </dependency>
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <version>1.16.14</version>
        </dependency>

        <!--引入测试报告相关包-->
        <dependency>
            <groupId>com.vimalselvam</groupId>
            <artifactId>testng-extentsreport</artifactId>
            <version>1.3.1</version>
        </dependency>

        <dependency>
            <groupId>com.aventstack</groupId>
            <artifactId>extentreports</artifactId>
            <version>3.0.6</version>
        </dependency>
        <dependency>
            <groupId>org.json</groupId>
            <artifactId>json</artifactId>
            <version>20180813</version>
        </dependency>
        <dependency>
            <groupId>com.alibaba</groupId>
            <artifactId>fastjson</artifactId>
            <version>1.2.60</version>
        </dependency>
        <dependency>
            <groupId>org.apache.httpcomponents</groupId>
            <artifactId>httpclient</artifactId>
            <version>4.5.8</version>
        </dependency>
    </dependencies>
</project>

　请求代码

package com.testng;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.conn.ClientConnectionManager;
import org.apache.http.conn.scheme.Scheme;
import org.apache.http.conn.scheme.SchemeRegistry;
import org.apache.http.conn.ssl.SSLSocketFactory;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.util.EntityUtils;
import org.json.JSONObject;

import javax.net.ssl.SSLContext;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.security.cert.CertificateException;
import java.security.cert.X509Certificate;
import java.util.ArrayList;
import java.util.List;
public class Testng {
    public static void main(String[] args)  {

        List list = new ArrayList();
        list.add(new BasicNameValuePair("username","royfans"));
        list.add(new BasicNameValuePair("password","Zlf111"));
        String result = httpPostList(list);
        System.out.println("List post:" + result);
        JSONObject object = new JSONObject();
        object.put("username","royfans");
        object.put("password","Zlf111");
        String result2 = httpPostJson(object);
        System.out.println(result2);


    }

    public static String httpPostList(List list){
        // 调用https 方法，实现https请求
        DefaultHttpClient httpClient = null;
        try {
            httpClient = new SSLClient();
        } catch (Exception e) {
            e.printStackTrace();
        }
        String loginUrl = "https://localhost/web/v1/login";
        String result = null;
        HttpPost post = new HttpPost(loginUrl);
        UrlEncodedFormEntity entity;
        try {
            entity = new UrlEncodedFormEntity(list,"UTF-8");
            post.setEntity(entity);
            CloseableHttpResponse response = httpClient.execute(post);
            HttpEntity entity1 = response.getEntity();
            if (entity1 != null){
//                System.out.println(EntityUtils.toString(entity1,"UTF-8"));
                result = EntityUtils.toString(entity1,"UTF-8");
            }
//            System.out.println(entity1);
            httpClient.close();
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        } catch (ClientProtocolException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return result;
    }
    public static String httpPostJson(JSONObject jsonObject){
        DefaultHttpClient httpClient = new DefaultHttpClient();
        String loginUrl = "http://172.30.154.111:8088/web/v1/login";
        String result = null;
        HttpPost post = new HttpPost(loginUrl);
        post.setHeader("content-type","application/json");
        StringEntity entity = new StringEntity(jsonObject.toString(),"UTF-8");
        post.setEntity(entity);
        try {
            HttpResponse response = httpClient.execute(post);
            result = EntityUtils.toString(response.getEntity(),"UTF-8");
        } catch (IOException e) {
            e.printStackTrace();
        }
        return result;
    }
}


//用于进行Https请求的HttpClient
class SSLClient extends DefaultHttpClient{
    public SSLClient() throws Exception{
        super();
        SSLContext ctx = SSLContext.getInstance("TLS");
        X509TrustManager tm = new X509TrustManager() {
            @Override
            public void checkClientTrusted(X509Certificate[] chain,
                                           String authType) throws CertificateException {
            }
            @Override
            public void checkServerTrusted(X509Certificate[] chain,
                                           String authType) throws CertificateException {
            }
            @Override
            public X509Certificate[] getAcceptedIssuers() {
                return null;
            }
        };
        ctx.init(null, new TrustManager[]{tm}, null);
        SSLSocketFactory ssf = new SSLSocketFactory(ctx, SSLSocketFactory.ALLOW_ALL_HOSTNAME_VERIFIER);
        ClientConnectionManager ccm = this.getConnectionManager();
        SchemeRegistry sr = ccm.getSchemeRegistry();
        sr.register(new Scheme("https", 443, ssf));
    }
}