HttpClient整理

1.  jar：httpclient-4.5.6.jar,httpcore.4.4.10.jar

2.代码案例：json格式发送数据

（1）HttpHeader：组装成header字段

/**
 * 
 */
package kklazy.test.entity;

/**
 * @author whh
 *
 */
/**
 * @author whh
 *
 */
public class HttpHeader {
    private String VER;
    private String SN;
    private String REQ_FROM;
    private String TCI;
    private String PROC_DT;
    private String RESV1;
    /**
     * @return the vER
     */
    public String getVER() {
        return VER;
    }
    /**
     * @param vER the vER to set
     */
    public void setVER(String vER) {
        VER = vER;
    }
    /**
     * @return the sN
     */
    public String getSN() {
        return SN;
    }
    /**
     * @param sN the sN to set
     */
    public void setSN(String sN) {
        SN = sN;
    }
    /**
     * @return the rEQ_FROM
     */
    public String getREQ_FROM() {
        return REQ_FROM;
    }
    /**
     * @param rEQ_FROM the rEQ_FROM to set
     */
    public void setREQ_FROM(String rEQ_FROM) {
        REQ_FROM = rEQ_FROM;
    }
    /**
     * @return the tCI
     */
    public String getTCI() {
        return TCI;
    }
    /**
     * @param tCI the tCI to set
     */
    public void setTCI(String tCI) {
        TCI = tCI;
    }
    /**
     * @return the pROC_DT
     */
    public String getPROC_DT() {
        return PROC_DT;
    }
    /**
     * @param pROC_DT the pROC_DT to set
     */
    public void setPROC_DT(String pROC_DT) {
        PROC_DT = pROC_DT;
    }
    /**
     * @return the rESV1
     */
    public String getRESV1() {
        return RESV1;
    }
    /**
     * @param rESV1 the rESV1 to set
     */
    public void setRESV1(String rESV1) {
        RESV1 = rESV1;
    }
    /* (non-Javadoc)
     * @see java.lang.Object#toString()
     */
    @Override
    public String toString() {
        return "HttpHeader [VER=" + VER + ", SN=" + SN + ", REQ_FROM=" + REQ_FROM + ", TCI=" + TCI + ", PROC_DT="
                + PROC_DT + ", RESV1=" + RESV1 + "]";
    }
    public HttpHeader(String vER, String sN, String rEQ_FROM, String tCI, String pROC_DT, String rESV1) {
        super();
        VER = vER;
        SN = sN;
        REQ_FROM = rEQ_FROM;
        TCI = tCI;
        PROC_DT = pROC_DT;
        RESV1 = rESV1;
    }
    
    
    
    
    
    

}

（2）HttpBody：组装成body字段

/**
 * 
 */
package kklazy.test.entity;


/**
 * @author whh
 *
 */
public class HttpBody {
    private String FORM_ID;
    private String ORG_NO;
    private String MERCH_NO;
    private String TERM_NO;
    private String ACCT_NO;
    private String TRANS_AMT;
    private String TRANS_TYPE;
    /**
     * @return the fORM_ID
     */
    public String getFORM_ID() {
        return FORM_ID;
    }
    /**
     * @param fORM_ID the fORM_ID to set
     */
    public void setFORM_ID(String fORM_ID) {
        FORM_ID = fORM_ID;
    }
    /**
     * @return the oRG_NO
     */
    public String getORG_NO() {
        return ORG_NO;
    }
    /**
     * @param oRG_NO the oRG_NO to set
     */
    public void setORG_NO(String oRG_NO) {
        ORG_NO = oRG_NO;
    }
    /**
     * @return the mERCH_NO
     */
    public String getMERCH_NO() {
        return MERCH_NO;
    }
    /**
     * @param mERCH_NO the mERCH_NO to set
     */
    public void setMERCH_NO(String mERCH_NO) {
        MERCH_NO = mERCH_NO;
    }
    /**
     * @return the tERM_NO
     */
    public String getTERM_NO() {
        return TERM_NO;
    }
    /**
     * @param tERM_NO the tERM_NO to set
     */
    public void setTERM_NO(String tERM_NO) {
        TERM_NO = tERM_NO;
    }
    /**
     * @return the aCCT_NO
     */
    public String getACCT_NO() {
        return ACCT_NO;
    }
    /**
     * @param aCCT_NO the aCCT_NO to set
     */
    public void setACCT_NO(String aCCT_NO) {
        ACCT_NO = aCCT_NO;
    }
    /**
     * @return the tRANS_AMT
     */
    public String getTRANS_AMT() {
        return TRANS_AMT;
    }
    /**
     * @param tRANS_AMT the tRANS_AMT to set
     */
    public void setTRANS_AMT(String tRANS_AMT) {
        TRANS_AMT = tRANS_AMT;
    }
    
    /**
     * @return the tRANS_TYPE
     */
    public String getTRANS_TYPE() {
        return TRANS_TYPE;
    }
    /**
     * @param tRANS_TYPE the tRANS_TYPE to set
     */
    public void setTRANS_TYPE(String tRANS_TYPE) {
        TRANS_TYPE = tRANS_TYPE;
    }
    
    /* (non-Javadoc)
     * @see java.lang.Object#toString()
     */
    @Override
    public String toString() {
        return "HttpBody [FORM_ID=" + FORM_ID + ", ORG_NO=" + ORG_NO + ", MERCH_NO=" + MERCH_NO + ", TERM_NO=" + TERM_NO
                + ", ACCT_NO=" + ACCT_NO + ", TRANS_AMT=" + TRANS_AMT + ", TRANS_TYPE=" + TRANS_TYPE + "]";
    }
    public HttpBody(String fORM_ID, String oRG_NO, String mERCH_NO, String tERM_NO, String aCCT_NO, String tRANS_AMT,
            String tRANS_TYPE) {
        super();
        FORM_ID = fORM_ID;
        ORG_NO = oRG_NO;
        MERCH_NO = mERCH_NO;
        TERM_NO = tERM_NO;
        ACCT_NO = aCCT_NO;
        TRANS_AMT = tRANS_AMT;
        TRANS_TYPE = tRANS_TYPE;
    }

    
}

（2）post/get方式发送请求：

package kklazy.test;


import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

import org.apache.http.HttpEntity;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;

import com.alibaba.fastjson.JSON;

import kklazy.test.entity.HttpBody;
import kklazy.test.entity.HttpHeader;

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = { "classpath*:/beans/**/*.xml" })
public class HttpJunitTest {
    private String url = "http://192.168.17.150:8080/yst/whiteNameListRiskControl/match";
    /**
     * post请求方式调用接口：不带参
     */
    @Test
    public  void doPost(){
        //创建一个httpclient对象
        CloseableHttpClient httpClient = null;
        CloseableHttpResponse response = null;
        //post对象
        HttpPost HttpPost = new HttpPost(url);
        try {
            httpClient = HttpClients.createDefault();
            //执行post请求
            response = httpClient.execute(HttpPost);
            int statusCode = response.getStatusLine().getStatusCode();
             if (statusCode == 200) {     
                 System.out.println("executing result---连接正常");
                //获取响应结果
                   HttpEntity httpEntity = response.getEntity();
                String responseString =  EntityUtils.toString(httpEntity);
                // 获得当前方法名
                   String method = Thread.currentThread().getStackTrace()[1].getMethodName();
                   System.out.println(method+"响应结果："+responseString);                 
                               
               } else {                
                   System.out.println("executing result---服务器连接异常");            
               }
        } catch (IOException e) {
            e.printStackTrace();
        }finally{
            if(null != response){
                try {
                    response.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            if(null != httpClient){
                try {
                    httpClient.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }
    /**
     * post请求方式调用接口：带参
     */
    @Test
    public void doPostWithParam(){
        /**组装设置请求参数*/
        HttpHeader HttpHeader = new HttpHeader("1.0", "31231", "MER_FRONT", "WECHAT_H5", "20180717153555", null);
        HttpBody HttpBody = new HttpBody("000000000008643", "61000016", "939310058120001", null, "01", "0000000011000", null);
        Map<String,Object> map = new HashMap<>();
        map.put("HEADER", HttpHeader);
        map.put("BODY",HttpBody );
        //map->json
        String  jsonMsg = JSON.toJSONString(map, true);//fastjson.jar -- com.alibaba.fastjson.JSON
        // 获得当前方法名
        String method = Thread.currentThread().getStackTrace()[1].getMethodName();
        System.out.println(method+"请求的json数据为："+jsonMsg);
        StringEntity stringEntity = new StringEntity(jsonMsg,"UTF-8");
        stringEntity.setContentEncoding("UTF-8");
        stringEntity.setContentType("text/json");
        //创建一个httpclient对象
        CloseableHttpClient httpClient = null;
        CloseableHttpResponse  response=null;//响应结果
        //创建一个Post对象
        HttpPost httpPost  = new HttpPost(url);
        httpPost.setEntity(stringEntity);
        //执行请求,获取响应
        try {
            httpClient = HttpClients.createDefault();
            response= httpClient.execute(httpPost);
            int statusCode = response.getStatusLine().getStatusCode();
             if (statusCode == 200) {   
                System.out.println("executing result---连接正常");
                HttpEntity httpEntity = response.getEntity();
                String responseString =  EntityUtils.toString(httpEntity);
                System.out.println(method+"响应结果："+responseString);                 
            } else {                
                System.out.println("executing result---服务器连接异常");            
            }
        } catch (Exception e) {
            e.printStackTrace();
        } finally{
            if(null != response){
                try {
                    response.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            if(null != httpClient){
                try {
                    httpClient.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
    }
    /**
     * get请求方式调用接口：不带参
     */
    @Test
    public void doGet(){
        CloseableHttpClient httpClient = null;
        CloseableHttpResponse  response=null;
        HttpGet HttpGet = new HttpGet(url);
        try {
            httpClient = HttpClients.createDefault();
            response= httpClient.execute(HttpGet);
            int statusCode = response.getStatusLine().getStatusCode();
            //获取当前方法名
            String method = Thread.currentThread().getStackTrace()[1].getMethodName();
            System.out.println(method+"statusCode:"+statusCode);
            if (statusCode == 200) {
                System.out.println("executing result---连接正常");
                HttpEntity httpEntity = response.getEntity();
                String responseString =  EntityUtils.toString(httpEntity);
                System.out.println(method+"响应结果："+responseString);                 
            } else {                
                System.out.println("executing result---服务器连接异常");            
            }
        } catch (IOException e) {
            e.printStackTrace();
            System.out.println("Exception================" + e.toString());
        } finally{
            if(null != response){
                try {
                    response.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            if(null != httpClient){
                try {
                    httpClient.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
        }
        
    }
    
    
    
}