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
1 /** 2 * 3 */ 4 package kklazy.test.entity; 5 6 /** 7 * @author whh 8 * 9 */ 10 /** 11 * @author whh 12 * 13 */ 14 public class HttpHeader { 15 private String VER; 16 private String SN; 17 private String REQ_FROM; 18 private String TCI; 19 private String PROC_DT; 20 private String RESV1; 21 /** 22 * @return the vER 23 */ 24 public String getVER() { 25 return VER; 26 } 27 /** 28 * @param vER the vER to set 29 */ 30 public void setVER(String vER) { 31 VER = vER; 32 } 33 /** 34 * @return the sN 35 */ 36 public String getSN() { 37 return SN; 38 } 39 /** 40 * @param sN the sN to set 41 */ 42 public void setSN(String sN) { 43 SN = sN; 44 } 45 /** 46 * @return the rEQ_FROM 47 */ 48 public String getREQ_FROM() { 49 return REQ_FROM; 50 } 51 /** 52 * @param rEQ_FROM the rEQ_FROM to set 53 */ 54 public void setREQ_FROM(String rEQ_FROM) { 55 REQ_FROM = rEQ_FROM; 56 } 57 /** 58 * @return the tCI 59 */ 60 public String getTCI() { 61 return TCI; 62 } 63 /** 64 * @param tCI the tCI to set 65 */ 66 public void setTCI(String tCI) { 67 TCI = tCI; 68 } 69 /** 70 * @return the pROC_DT 71 */ 72 public String getPROC_DT() { 73 return PROC_DT; 74 } 75 /** 76 * @param pROC_DT the pROC_DT to set 77 */ 78 public void setPROC_DT(String pROC_DT) { 79 PROC_DT = pROC_DT; 80 } 81 /** 82 * @return the rESV1 83 */ 84 public String getRESV1() { 85 return RESV1; 86 } 87 /** 88 * @param rESV1 the rESV1 to set 89 */ 90 public void setRESV1(String rESV1) { 91 RESV1 = rESV1; 92 } 93 /* (non-Javadoc) 94 * @see java.lang.Object#toString() 95 */ 96 @Override 97 public String toString() { 98 return "HttpHeader [VER=" + VER + ", SN=" + SN + ", REQ_FROM=" + REQ_FROM + ", TCI=" + TCI + ", PROC_DT=" 99 + PROC_DT + ", RESV1=" + RESV1 + "]"; 100 } 101 public HttpHeader(String vER, String sN, String rEQ_FROM, String tCI, String pROC_DT, String rESV1) { 102 super(); 103 VER = vER; 104 SN = sN; 105 REQ_FROM = rEQ_FROM; 106 TCI = tCI; 107 PROC_DT = pROC_DT; 108 RESV1 = rESV1; 109 } 110 111 112 113 114 115 116 117 }（2）HttpBody：组装成body字段
1 /** 2 * 3 */ 4 package kklazy.test.entity; 5 6 7 /** 8 * @author whh 9 * 10 */ 11 public class HttpBody { 12 private String FORM_ID; 13 private String ORG_NO; 14 private String MERCH_NO; 15 private String TERM_NO; 16 private String ACCT_NO; 17 private String TRANS_AMT; 18 private String TRANS_TYPE; 19 /** 20 * @return the fORM_ID 21 */ 22 public String getFORM_ID() { 23 return FORM_ID; 24 } 25 /** 26 * @param fORM_ID the fORM_ID to set 27 */ 28 public void setFORM_ID(String fORM_ID) { 29 FORM_ID = fORM_ID; 30 } 31 /** 32 * @return the oRG_NO 33 */ 34 public String getORG_NO() { 35 return ORG_NO; 36 } 37 /** 38 * @param oRG_NO the oRG_NO to set 39 */ 40 public void setORG_NO(String oRG_NO) { 41 ORG_NO = oRG_NO; 42 } 43 /** 44 * @return the mERCH_NO 45 */ 46 public String getMERCH_NO() { 47 return MERCH_NO; 48 } 49 /** 50 * @param mERCH_NO the mERCH_NO to set 51 */ 52 public void setMERCH_NO(String mERCH_NO) { 53 MERCH_NO = mERCH_NO; 54 } 55 /** 56 * @return the tERM_NO 57 */ 58 public String getTERM_NO() { 59 return TERM_NO; 60 } 61 /** 62 * @param tERM_NO the tERM_NO to set 63 */ 64 public void setTERM_NO(String tERM_NO) { 65 TERM_NO = tERM_NO; 66 } 67 /** 68 * @return the aCCT_NO 69 */ 70 public String getACCT_NO() { 71 return ACCT_NO; 72 } 73 /** 74 * @param aCCT_NO the aCCT_NO to set 75 */ 76 public void setACCT_NO(String aCCT_NO) { 77 ACCT_NO = aCCT_NO; 78 } 79 /** 80 * @return the tRANS_AMT 81 */ 82 public String getTRANS_AMT() { 83 return TRANS_AMT; 84 } 85 /** 86 * @param tRANS_AMT the tRANS_AMT to set 87 */ 88 public void setTRANS_AMT(String tRANS_AMT) { 89 TRANS_AMT = tRANS_AMT; 90 } 91 92 /** 93 * @return the tRANS_TYPE 94 */ 95 public String getTRANS_TYPE() { 96 return TRANS_TYPE; 97 } 98 /** 99 * @param tRANS_TYPE the tRANS_TYPE to set 100 */ 101 public void setTRANS_TYPE(String tRANS_TYPE) { 102 TRANS_TYPE = tRANS_TYPE; 103 } 104 105 /* (non-Javadoc) 106 * @see java.lang.Object#toString() 107 */ 108 @Override 109 public String toString() { 110 return "HttpBody [FORM_ID=" + FORM_ID + ", ORG_NO=" + ORG_NO + ", MERCH_NO=" + MERCH_NO + ", TERM_NO=" + TERM_NO 111 + ", ACCT_NO=" + ACCT_NO + ", TRANS_AMT=" + TRANS_AMT + ", TRANS_TYPE=" + TRANS_TYPE + "]"; 112 } 113 public HttpBody(String fORM_ID, String oRG_NO, String mERCH_NO, String tERM_NO, String aCCT_NO, String tRANS_AMT, 114 String tRANS_TYPE) { 115 super(); 116 FORM_ID = fORM_ID; 117 ORG_NO = oRG_NO; 118 MERCH_NO = mERCH_NO; 119 TERM_NO = tERM_NO; 120 ACCT_NO = aCCT_NO; 121 TRANS_AMT = tRANS_AMT; 122 TRANS_TYPE = tRANS_TYPE; 123 } 124 125 126 }（2）post/get方式发送请求：
1 package kklazy.test; 2 3 4 import java.io.IOException; 5 import java.util.HashMap; 6 import java.util.Map; 7 8 import org.apache.http.HttpEntity; 9 import org.apache.http.client.methods.CloseableHttpResponse; 10 import org.apache.http.client.methods.HttpGet; 11 import org.apache.http.client.methods.HttpPost; 12 import org.apache.http.entity.StringEntity; 13 import org.apache.http.impl.client.CloseableHttpClient; 14 import org.apache.http.impl.client.HttpClients; 15 import org.apache.http.util.EntityUtils; 16 import org.junit.Test; 17 import org.junit.runner.RunWith; 18 import org.springframework.test.context.ContextConfiguration; 19 import org.springframework.test.context.junit4.SpringJUnit4ClassRunner; 20 21 import com.alibaba.fastjson.JSON; 22 23 import kklazy.test.entity.HttpBody; 24 import kklazy.test.entity.HttpHeader; 25 26 @RunWith(SpringJUnit4ClassRunner.class) 27 @ContextConfiguration(locations = { "classpath*:/beans/**/*.xml" }) 28 public class HttpJunitTest { 29 private String url = "http://192.168.17.150:8080/yst/whiteNameListRiskControl/match"; 30 /** 31 * post请求方式调用接口：不带参 32 */ 33 @Test 34 public void doPost(){ 35 //创建一个httpclient对象 36 CloseableHttpClient httpClient = null; 37 CloseableHttpResponse response = null; 38 //post对象 39 HttpPost HttpPost = new HttpPost(url); 40 try { 41 httpClient = HttpClients.createDefault(); 42 //执行post请求 43 response = httpClient.execute(HttpPost); 44 int statusCode = response.getStatusLine().getStatusCode(); 45 if (statusCode == 200) { 46 System.out.println("executing result---连接正常"); 47 //获取响应结果 48 HttpEntity httpEntity = response.getEntity(); 49 String responseString = EntityUtils.toString(httpEntity); 50 // 获得当前方法名 51 String method = Thread.currentThread().getStackTrace()[1].getMethodName(); 52 System.out.println(method+"响应结果："+responseString); 53 54 } else { 55 System.out.println("executing result---服务器连接异常"); 56 } 57 } catch (IOException e) { 58 e.printStackTrace(); 59 }finally{ 60 if(null != response){ 61 try { 62 response.close(); 63 } catch (IOException e) { 64 e.printStackTrace(); 65 } 66 } 67 if(null != httpClient){ 68 try { 69 httpClient.close(); 70 } catch (IOException e) { 71 e.printStackTrace(); 72 } 73 } 74 } 75 } 76 /** 77 * post请求方式调用接口：带参 78 */ 79 @Test 80 public void doPostWithParam(){ 81 /**组装设置请求参数*/ 82 HttpHeader HttpHeader = new HttpHeader("1.0", "31231", "MER_FRONT", "WECHAT_H5", "20180717153555", null); 83 HttpBody HttpBody = new HttpBody("000000000008643", "61000016", "939310058120001", null, "01", "0000000011000", null); 84 Map<String,Object> map = new HashMap<>(); 85 map.put("HEADER", HttpHeader); 86 map.put("BODY",HttpBody ); 87 //map->json 88 String jsonMsg = JSON.toJSONString(map, true);//fastjson.jar -- com.alibaba.fastjson.JSON 89 // 获得当前方法名 90 String method = Thread.currentThread().getStackTrace()[1].getMethodName(); 91 System.out.println(method+"请求的json数据为："+jsonMsg); 92 StringEntity stringEntity = new StringEntity(jsonMsg,"UTF-8"); 93 stringEntity.setContentEncoding("UTF-8"); 94 stringEntity.setContentType("text/json"); 95 //创建一个httpclient对象 96 CloseableHttpClient httpClient = null; 97 CloseableHttpResponse response=null;//响应结果 98 //创建一个Post对象 99 HttpPost httpPost = new HttpPost(url); 100 httpPost.setEntity(stringEntity); 101 //执行请求,获取响应 102 try { 103 httpClient = HttpClients.createDefault(); 104 response= httpClient.execute(httpPost); 105 int statusCode = response.getStatusLine().getStatusCode(); 106 if (statusCode == 200) { 107 System.out.println("executing result---连接正常"); 108 HttpEntity httpEntity = response.getEntity(); 109 String responseString = EntityUtils.toString(httpEntity); 110 System.out.println(method+"响应结果："+responseString); 111 } else { 112 System.out.println("executing result---服务器连接异常"); 113 } 114 } catch (Exception e) { 115 e.printStackTrace(); 116 } finally{ 117 if(null != response){ 118 try { 119 response.close(); 120 } catch (IOException e) { 121 e.printStackTrace(); 122 } 123 } 124 if(null != httpClient){ 125 try { 126 httpClient.close(); 127 } catch (IOException e) { 128 e.printStackTrace(); 129 } 130 } 131 } 132 } 133 /** 134 * get请求方式调用接口：不带参 135 */ 136 @Test 137 public void doGet(){ 138 CloseableHttpClient httpClient = null; 139 CloseableHttpResponse response=null; 140 HttpGet HttpGet = new HttpGet(url); 141 try { 142 httpClient = HttpClients.createDefault(); 143 response= httpClient.execute(HttpGet); 144 int statusCode = response.getStatusLine().getStatusCode(); 145 //获取当前方法名 146 String method = Thread.currentThread().getStackTrace()[1].getMethodName(); 147 System.out.println(method+"statusCode:"+statusCode); 148 if (statusCode == 200) { 149 System.out.println("executing result---连接正常"); 150 HttpEntity httpEntity = response.getEntity(); 151 String responseString = EntityUtils.toString(httpEntity); 152 System.out.println(method+"响应结果："+responseString); 153 } else { 154 System.out.println("executing result---服务器连接异常"); 155 } 156 } catch (IOException e) { 157 e.printStackTrace(); 158 System.out.println("Exception================" + e.toString()); 159 } finally{ 160 if(null != response){ 161 try { 162 response.close(); 163 } catch (IOException e) { 164 e.printStackTrace(); 165 } 166 } 167 if(null != httpClient){ 168 try { 169 httpClient.close(); 170 } catch (IOException e) { 171 e.printStackTrace(); 172 } 173 } 174 } 175 176 } 177 178 179 180 }
转载于:https://www.cnblogs.com/whhjava/p/9804834.html
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