这篇博客介绍了如何在Java中使用HttpClient工具类进行HTTP请求，包括POST和GET方法，处理请求参数和响应数据。同时，文章还展示了JSONHelper公共类，用于JSON与Java对象之间的转换，如JSON到Map、List和POJO的转换。在实际示例中，详细演示了如何调用API接口，包括获取token、封装请求参数、处理响应结果，并进行了异常处理。
目录
http请求公共类
package org.framework.core.util;
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.net.URISyntaxException;
import java.nio.charset.Charset;
import java.util.List;
import java.util.Map;
import javax.servlet.http.HttpServletRequest;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.config.RequestConfig;
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.client.utils.URIBuilder;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.StringEntity;
import org.apache.http.entity.mime.HttpMultipartMode;
import org.apache.http.entity.mime.MultipartEntity;
import org.apache.http.entity.mime.MultipartEntityBuilder;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.message.BasicHeader;
import org.apache.http.util.EntityUtils;
import org.framework.core.common.model.json.AjaxJson;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
/**
* @Description: HttpClient工具类
* @date: 2020年12月2日 上午9:16:16
*/
public class HttpClientUtils {
private static final Logger logger = LoggerFactory.getLogger(HttpClientUtils.class);
private static RequestConfig requestConfig;
/**
* 默认请求正文类型
*/
private static final String DEFAULT_CONTENTTYPE = "text/xml; charset=UTF-8";
static{
requestConfig = RequestConfig.custom()
// 设置连接超时时间(单位毫秒)
.setConnectTimeout(5000)
// 设置请求超时时间(单位毫秒)
.setConnectionRequestTimeout(5000)
// sock读写超时时间
.setSocketTimeout(20000)
// 设置是否允许重定向
.setRedirectsEnabled(true).build();
}
public static AjaxJson sendMessagePost(String url, Object parmas, String contentType) {
return sendMessagePost(url, parmas == null ? "" : JSON.toJSONString(parmas), contentType);
}
/**
* @Description: post请求
* @date: 2020年12月2日 上午9:16:16
* @param url
* @param params
* @param contentType
* @return
*/
public static AjaxJson sendMessagePost(String url, String params, String contentType) {
CloseableHttpClient httpClient = HttpClientBuilder.create().build();
AjaxJson ajaxJson = new AjaxJson();
HttpPost httpPost = new HttpPost(url);
StringEntity entity = new StringEntity(params, Charset.forName("UTF-8"));
httpPost.addHeader("Accept", contentType == null ? DEFAULT_CONTENTTYPE : contentType);
httpPost.setHeader("Content-Type", contentType == null ? DEFAULT_CONTENTTYPE : contentType);
httpPost.setConfig(requestConfig);
httpPost.setEntity(entity);
// 响应模型
CloseableHttpResponse response = null;
String result = null;
try {
response = httpClient.execute(httpPost);
HttpEntity responseEntity = response.getEntity();
if (responseEntity != null) {
result = EntityUtils.toString(responseEntity,"UTF-8");
}
ajaxJson.setMsg(result);
} catch (ClientProtocolException e) {
exception(ajaxJson, e);
e.printStackTrace();
} catch (IOException e) {
exception(ajaxJson, e);
e.printStackTrace();
} catch (Exception e) {
exception(ajaxJson, e);
e.printStackTrace();
} finally {
try {
// 释放资源
if (httpClient != null) {
httpClient.close();
}
if (response != null) {
response.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
return ajaxJson;
}
/**
* @Description: post请求 带token
* @date: 2021年3月19日 上午9:16:16
* @param url
* @param params
* @param contentType
* @return
*/
public static AjaxJson sendMessagePostToken(String url, String params, Map<String, String> header,String contentType) {
CloseableHttpClient httpClient = HttpClientBuilder.create().build();
AjaxJson ajaxJson = new AjaxJson();
HttpPost httpPost = new HttpPost(url);
StringEntity entity = new StringEntity(params, Charset.forName("UTF-8"));
// header
for (Map.Entry<String, String> entry : header.entrySet()) {
httpPost.addHeader(entry.getKey(), entry.getValue());
}
httpPost.addHeader("Accept", contentType == null ? DEFAULT_CONTENTTYPE : contentType);
httpPost.setHeader("Content-Type", contentType == null ? DEFAULT_CONTENTTYPE : contentType);
httpPost.setConfig(requestConfig);
httpPost.setEntity(entity);
// 响应模型
CloseableHttpResponse response = null;
String result = null;
try {
response = httpClient.execute(httpPost);
HttpEntity responseEntity = response.getEntity();
if (responseEntity != null) {
result = EntityUtils.toString(responseEntity,"UTF-8");
}
ajaxJson.setMsg(result);
} catch (ClientProtocolException e) {
exception(ajaxJson, e);
e.printStackTrace();
} catch (IOException e) {
exception(ajaxJson, e);
e.printStackTrace();
} catch (Exception e) {
exception(ajaxJson, e);
e.printStackTrace();
} finally {
try {
// 释放资源
if (httpClient != null) {
httpClient.close();
}
if (response != null) {
response.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
return ajaxJson;
}
/**
* @Description: 模拟 get请求
* @date: 2020年12月2日 上午9:16:16
* @param url
* @param nameValuePairList
* @return
*/
public static AjaxJson sendMessageGet(String url, List<NameValuePair> nameValuePairList) {
AjaxJson ajaxJson = new AjaxJson();
CloseableHttpClient client = null;
CloseableHttpResponse response = null;
try {
client = HttpClients.createDefault();
URIBuilder uriBuilder = new URIBuilder(url);
uriBuilder.addParameters(nameValuePairList);
HttpGet httpGet = new HttpGet(uriBuilder.build());
httpGet.addHeader("Content-Type", "application/json");
response = client.execute(httpGet);
HttpEntity entity = response.getEntity();
String result = EntityUtils.toString(entity, "UTF-8");
ajaxJson.setMsg(result);
} catch (Exception e) {
exception(ajaxJson, e);
e.printStackTrace();
} finally {
try {
if (response != null) {
response.close();
}
if (client != null) {
client.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
return ajaxJson;
}
/**
* @Description: post请求,携带文件信息，模拟 mutipart/form-data提交数据
* @date: 2020年12月2日 上午9:16:16
* @param url
* @param paramsMap
* @param file
* @return
*/
public static AjaxJson sendMessagePostFile(String url,Map<String,String> paramsMap,File file){
CloseableHttpResponse response=null;
AjaxJson ajaxJson = new AjaxJson();
CloseableHttpClient client = HttpClients.createDefault();
HttpPost post = new HttpPost(url);
//解决中文乱码
MultipartEntityBuilder builder = MultipartEntityBuilder.create().setMode(HttpMultipartMode.RFC6532);
for(String key:paramsMap.keySet()){
//传递字符串参数
builder.addTextBody(key, paramsMap.get(key), ContentType.TEXT_PLAIN);
}
try {
//传递文件流对象
builder.addBinaryBody("taskFile", file, ContentType.MULTIPART_FORM_DATA, file.getName());
HttpEntity multipart = builder.build();
post.setEntity(multipart);
response= client.execute(post);
HttpEntity responseEntity = response.getEntity();
String returnData = EntityUtils.toString(responseEntity, "UTF-8");
ajaxJson.setMsg(returnData);
ajaxJson.setObj(returnData);
} catch (Exception e) {
exception(ajaxJson, e);
e.printStackTrace();
} finally{
try {
if (response != null) {
response.close();
}
if (client != null) {
client.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
return ajaxJson;
}
private static void exception(AjaxJson ajaxJson, Exception e) {
ajaxJson.setSuccess(Boolean.FALSE);
ajaxJson.setMsg("获取返回数据失败："+e.getMessage());
}
/**
* @Description: 把流转化为字符串
* @date: 2020年12月2日 上午9:16:16
* @param request
* @return
* @throws IOException
*/
public static String changeRequest2String(HttpServletRequest request) {
InputStreamReader isReader = null;
BufferedReader reader = null;
StringBuilder sb = new StringBuilder();
String paramters = null;
try {
isReader = new InputStreamReader(request.getInputStream(), "utf-8");
reader = new BufferedReader(isReader);
while ((paramters = reader.readLine()) != null) {
sb.append(paramters);
}
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}finally {
try {
if (null != isReader) {
isReader.close();
}
if (null != reader) {
reader.close();
}
} catch (IOException e) {
e.printStackTrace();
logger.warn("changeRequest2String 流转换为字符串异常信息：" );
}
}
paramters = sb.toString();
return paramters;
}
}
参数封装公共类
package org.framework.core.util;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import net.sf.json.JSONArray;
import net.sf.json.JSONObject;
import org.apache.commons.beanutils.BeanUtils;
import org.codehaus.jackson.JsonParseException;
import org.codehaus.jackson.map.JsonMappingException;
import org.codehaus.jackson.map.ObjectMapper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* JSON和JAVA的POJO的相互转换
* @author wb
* JSONHelper.java
*/
public final class JSONHelper {
private static final Logger logger = LoggerFactory.getLogger(JSONHelper.class);
// 将数组转换成JSON
public static String array2json(Object object) {
JSONArray jsonArray = JSONArray.fromObject(object);
return jsonArray.toString();
}
// 将JSON转换成数组,其中valueClz为数组中存放的对象的Class
public static Object json2Array(String json, Class valueClz) {
JSONArray jsonArray = JSONArray.fromObject(json);
return JSONArray.toArray(jsonArray, valueClz);
}
// 将Collection转换成JSON
public static String collection2json(Object object) {
JSONArray jsonArray = JSONArray.fromObject(object);
return jsonArray.toString();
}
// 将Map转换成JSON
public static String map2json(Object object) {
JSONObject jsonObject = JSONObject.fromObject(object);
return jsonObject.toString();
}
// 将JSON转换成Map,其中valueClz为Map中value的Class,keyArray为Map的key
public static Map json2Map(Object[] keyArray, String json, Class valueClz) {
JSONObject jsonObject = JSONObject.fromObject(json);
Map classMap = new HashMap();
for (int i = 0; i < keyArray.length; i++) {
classMap.put(keyArray[i], valueClz);
}
return (Map) JSONObject.toBean(jsonObject, Map.class, classMap);
}
// 将POJO转换成JSON
public static String bean2json(Object object) {
JSONObject jsonObject = JSONObject.fromObject(object);
return jsonObject.toString();
}
// 将JSON转换成POJO,其中beanClz为POJO的Class
public static Object json2Object(String json, Class beanClz) {
return JSONObject.toBean(JSONObject.fromObject(json), beanClz);
}
/**
* json转换为java对象
*
* <pre>
* return JackJson.fromJsonToObject(this.answersJson, JackJson.class);
* </pre>
*
* @param <T>
* 要转换的对象
* @param json
* 字符串
* @param valueType
* 对象的class
* @return 返回对象
*/
public static <T> T fromJsonToObject(String json, Class<T> valueType) {
ObjectMapper mapper = new ObjectMapper();
try {
return mapper.readValue(json, valueType);
} catch (JsonParseException e) {
logger.error("JsonParseException: ", e);
} catch (JsonMappingException e) {
logger.error("JsonMappingException: ", e);
} catch (IOException e) {
logger.error("IOException: ", e);
}
return null;
}
// 将String转换成JSON
public static String string2json(String key, String value) {
JSONObject object = new JSONObject();
object.put(key, value);
return object.toString();
}
// 将JSON转换成String
public static String json2String(String json, String key) {
JSONObject jsonObject = JSONObject.fromObject(json);
return jsonObject.get(key).toString();
}
/***
* 将List对象序列化为JSON文本
*/
public static <T> String toJSONString(List<T> list) {
JSONArray jsonArray = JSONArray.fromObject(list);
return jsonArray.toString();
}
/***
* 将对象序列化为JSON文本
*
* @param object
* @return
*/
public static String toJSONString(Object object) {
JSONArray jsonArray = JSONArray.fromObject(object);
return jsonArray.toString();
}
/***
* 将JSON对象数组序列化为JSON文本
*
* @param jsonArray
* @return
*/
public static String toJSONString(JSONArray jsonArray) {
return jsonArray.toString();
}
/***
* 将JSON对象序列化为JSON文本
*
* @param jsonObject
* @return
*/
public static String toJSONString(JSONObject jsonObject) {
return jsonObject.toString();
}
/***
* 将对象转换为List对象
*
* @param object
* @return
*/
public static List toArrayList(Object object) {
List arrayList = new ArrayList();
JSONArray jsonArray = JSONArray.fromObject(object);
Iterator it = jsonArray.iterator();
while (it.hasNext()) {
JSONObject jsonObject = (JSONObject) it.next();
Iterator keys = jsonObject.keys();
while (keys.hasNext()) {
Object key = keys.next();
Object value = jsonObject.get(key);
arrayList.add(value);
}
}
return arrayList;
}
/* *//***
* 将对象转换为Collection对象
*
* @param object
* @return
*/
/*
* public static Collection toCollection(Object object) { JSONArray
* jsonArray = JSONArray.fromObject(object);
*
* return JSONArray.toCollection(jsonArray); }
*/
/***
* 将对象转换为JSON对象数组
*
* @param object
* @return
*/
public static JSONArray toJSONArray(Object object) {
return JSONArray.fromObject(object);
}
/***
* 将对象转换为JSON对象
*
* @param object
* @return
*/
public static JSONObject toJSONObject(Object object) {
return JSONObject.fromObject(object);
}
/***
* 将对象转换为HashMap
*
* @param object
* @return
*/
public static HashMap toHashMap(Object object) {
HashMap<String, Object> data = new HashMap<String, Object>();
JSONObject jsonObject = JSONHelper.toJSONObject(object);
Iterator it = jsonObject.keys();
while (it.hasNext()) {
String key = String.valueOf(it.next());
Object value = jsonObject.get(key);
data.put(key, value);
}
return data;
}
/**
* 将json格式的字符串解析成Map对象 <li>
* json格式：{"name":"admin","retries":"3fff","testname":"ddd","testretries":"fffffffff"}
*/
public static Map<String, Object> json2Map(String jsonStr) {
Map<String, Object> data = new HashMap<String, Object>();
// 将json字符串转换成jsonObject
JSONObject jsonObject = JSONObject.fromObject(jsonStr);
Iterator it = jsonObject.keys();
// 遍历jsonObject数据，添加到Map对象
while (it.hasNext())
{
String key = String.valueOf(it.next());
Object value = jsonObject.get(key);
data.put(key, value);
}
return data;
}
/**
* 将json格式的字符串解析成Map对象 <li>
* json格式：{"name":"admin","retries":"3fff","testname":"ddd","testretries":"fffffffff"}
*/
public static Map<String, List<Map<String, Object>>> json2MapList(String jsonStr) {
Map<String, List<Map<String, Object>>> data = new HashMap<String, List<Map<String, Object>>>();
// 将json字符串转换成jsonObject
JSONObject jsonObject = JSONObject.fromObject(jsonStr);
Iterator it = jsonObject.keys();
// 遍历jsonObject数据，添加到Map对象
while (it.hasNext())
{
String key = String.valueOf(it.next());
Object value = jsonObject.get(key);
List<Map<String, Object>> list = toList(value);
data.put(key, list);
}
return data;
}
/***
* 将对象转换为List<Map<String,Object>>
*
* @param object
* @return
*/
// 返回非实体类型(Map<String,Object>)的List
public static List<Map<String, Object>> toList(Object object) {
List<Map<String, Object>> list = new ArrayList<Map<String, Object>>();
JSONArray jsonArray = JSONArray.fromObject(object);
for (Object obj : jsonArray) {
JSONObject jsonObject = (JSONObject) obj;
Map<String, Object> map = new HashMap<String, Object>();
Iterator it = jsonObject.keys();
while (it.hasNext()) {
String key = (String) it.next();
Object value = jsonObject.get(key);
map.put((String) key, value);
}
list.add(map);
}
return list;
}
// 返回非实体类型(Map<String,Object>)的List
public static List<Map<String, Object>> toList(JSONArray jsonArray) {
List<Map<String, Object>> list = new ArrayList<Map<String, Object>>();
for (Object obj : jsonArray) {
JSONObject jsonObject = (JSONObject) obj;
Map<String, Object> map = new HashMap<String, Object>();
Iterator it = jsonObject.keys();
while (it.hasNext()) {
String key = (String) it.next();
Object value = jsonObject.get(key);
map.put((String) key, value);
}
list.add(map);
}
return list;
}
/***
* 将JSON对象数组转换为传入类型的List
*
* @param <T>
* @param jsonArray
* @param objectClass
* @return
*/
public static <T> List<T> toList(JSONArray jsonArray, Class<T> objectClass) {
return JSONArray.toList(jsonArray, objectClass);
}
/***
* 将对象转换为传入类型的List
*
* @param <T>
* @param jsonArray
* @param objectClass
* @return
*/
public static <T> List<T> toList(Object object, Class<T> objectClass) {
JSONArray jsonArray = JSONArray.fromObject(object);
return JSONArray.toList(jsonArray, objectClass);
}
/***
* 将JSON对象转换为传入类型的对象
*
* @param <T>
* @param jsonObject
* @param beanClass
* @return
*/
public static <T> T toBean(JSONObject jsonObject, Class<T> beanClass) {
return (T) JSONObject.toBean(jsonObject, beanClass);
}
/***
* 将将对象转换为传入类型的对象
*
* @param <T>
* @param object
* @param beanClass
* @return
*/
public static <T> T toBean(Object object, Class<T> beanClass) {
JSONObject jsonObject = JSONObject.fromObject(object);
return (T) JSONObject.toBean(jsonObject, beanClass);
}
/***
* 将JSON文本反序列化为主从关系的实体
*
* @param <T>
* 泛型T 代表主实体类型
* @param <D>
* 泛型D 代表从实体类型
* @param jsonString
* JSON文本
* @param mainClass
* 主实体类型
* @param detailName
* 从实体类在主实体类中的属性名称
* @param detailClass
* 从实体类型
* @return
*/
public static <T, D> T toBean(String jsonString, Class<T> mainClass,
String detailName, Class<D> detailClass) {
JSONObject jsonObject = JSONObject.fromObject(jsonString);
JSONArray jsonArray = (JSONArray) jsonObject.get(detailName);
T mainEntity = JSONHelper.toBean(jsonObject, mainClass);
List<D> detailList = JSONHelper.toList(jsonArray, detailClass);
try {
BeanUtils.setProperty(mainEntity, detailName, detailList);
} catch (Exception ex) {
throw new RuntimeException("主从关系JSON反序列化实体失败！");
}
return mainEntity;
}
/***
* 将JSON文本反序列化为主从关系的实体
*
* @param <T>泛型T 代表主实体类型
* @param <D1>泛型D1 代表从实体类型
* @param <D2>泛型D2 代表从实体类型
* @param jsonString
* JSON文本
* @param mainClass
* 主实体类型
* @param detailName1
* 从实体类在主实体类中的属性
* @param detailClass1
* 从实体类型
* @param detailName2
* 从实体类在主实体类中的属性
* @param detailClass2
* 从实体类型
* @return
*/
public static <T, D1, D2> T toBean(String jsonString, Class<T> mainClass,
String detailName1, Class<D1> detailClass1, String detailName2,
Class<D2> detailClass2) {
JSONObject jsonObject = JSONObject.fromObject(jsonString);
JSONArray jsonArray1 = (JSONArray) jsonObject.get(detailName1);
JSONArray jsonArray2 = (JSONArray) jsonObject.get(detailName2);
T mainEntity = JSONHelper.toBean(jsonObject, mainClass);
List<D1> detailList1 = JSONHelper.toList(jsonArray1, detailClass1);
List<D2> detailList2 = JSONHelper.toList(jsonArray2, detailClass2);
try {
BeanUtils.setProperty(mainEntity, detailName1, detailList1);
BeanUtils.setProperty(mainEntity, detailName2, detailList2);
} catch (Exception ex) {
throw new RuntimeException("主从关系JSON反序列化实体失败！");
}
return mainEntity;
}
/***
* 将JSON文本反序列化为主从关系的实体
*
* @param <T>泛型T 代表主实体类型
* @param <D1>泛型D1 代表从实体类型
* @param <D2>泛型D2 代表从实体类型
* @param jsonString
* JSON文本
* @param mainClass
* 主实体类型
* @param detailName1
* 从实体类在主实体类中的属性
* @param detailClass1
* 从实体类型
* @param detailName2
* 从实体类在主实体类中的属性
* @param detailClass2
* 从实体类型
* @param detailName3
* 从实体类在主实体类中的属性
* @param detailClass3
* 从实体类型
* @return
*/
public static <T, D1, D2, D3> T toBean(String jsonString,
Class<T> mainClass, String detailName1, Class<D1> detailClass1,
String detailName2, Class<D2> detailClass2, String detailName3,
Class<D3> detailClass3) {
JSONObject jsonObject = JSONObject.fromObject(jsonString);
JSONArray jsonArray1 = (JSONArray) jsonObject.get(detailName1);
JSONArray jsonArray2 = (JSONArray) jsonObject.get(detailName2);
JSONArray jsonArray3 = (JSONArray) jsonObject.get(detailName3);
T mainEntity = JSONHelper.toBean(jsonObject, mainClass);
List<D1> detailList1 = JSONHelper.toList(jsonArray1, detailClass1);
List<D2> detailList2 = JSONHelper.toList(jsonArray2, detailClass2);
List<D3> detailList3 = JSONHelper.toList(jsonArray3, detailClass3);
try {
BeanUtils.setProperty(mainEntity, detailName1, detailList1);
BeanUtils.setProperty(mainEntity, detailName2, detailList2);
BeanUtils.setProperty(mainEntity, detailName3, detailList3);
} catch (Exception ex) {
throw new RuntimeException("主从关系JSON反序列化实体失败！");
}
return mainEntity;
}
/***
* 将JSON文本反序列化为主从关系的实体
*
* @param <T>
* 主实体类型
* @param jsonString
* JSON文本
* @param mainClass
* 主实体类型
* @param detailClass
* 存放了多个从实体在主实体中属性名称和类型
* @return
*/
public static <T> T toBean(String jsonString, Class<T> mainClass,
HashMap<String, Class> detailClass) {
JSONObject jsonObject = JSONObject.fromObject(jsonString);
T mainEntity = JSONHelper.toBean(jsonObject, mainClass);
for (Object key : detailClass.keySet()) {
try {
Class value = (Class) detailClass.get(key);
BeanUtils.setProperty(mainEntity, key.toString(), value);
} catch (Exception ex) {
throw new RuntimeException("主从关系JSON反序列化实体失败！");
}
}
return mainEntity;
}
public static String listtojson(String[] fields, int total, List list) throws Exception {
Object[] values = new Object[fields.length];
String jsonTemp = "{\"total\":" + total + ",\"rows\":[";
for (int j = 0; j < list.size(); j++) {
jsonTemp = jsonTemp + "{\"state\":\"closed\",";
for (int i = 0; i < fields.length; i++) {
String fieldName = fields[i].toString();
values[i] = org.jeecgframework.tag.core.easyui.TagUtil.fieldNametoValues(fieldName, list.get(j));
jsonTemp = jsonTemp + "\"" + fieldName + "\"" + ":\"" + values[i] + "\"";
if (i != fields.length - 1) {
jsonTemp = jsonTemp + ",";
}
}
if (j != list.size() - 1) {
jsonTemp = jsonTemp + "},";
} else {
jsonTemp = jsonTemp + "}";
}
}
jsonTemp = jsonTemp + "]}";
return jsonTemp;
}
}
出入参公共类
------返回参数公共类-----
package com.api.entity;
import net.sf.json.JSONObject;
/**
* 对应请求返回JSON字符串进行解析
* @author wb
* @date 2020-12-21
*/
public class ResponseResultForLes {
private String msg;
private JSONObject data;
private String success;
private String errorCode;
public String getMsg() {
return msg;
}
public void setMsg(String msg) {
this.msg = msg;
}
public JSONObject getData() {
return data;
}
public void setData(JSONObject data) {
this.data = data;
}
public String getSuccess() {
return success;
}
public void setSuccess(String success) {
this.success = success;
}
public String getErrorCode() {
return errorCode;
}
public void setErrorCode(String errorCode) {
this.errorCode = errorCode;
}
}
实际调用示例
package com.api.service.impl;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import com.alibaba.fastjson.JSONObject;
import com.hgtech.api.entity.InterfaceException;
import com.hgtech.api.entity.ProductExcuteAcceptLes;
import com.hgtech.api.entity.ResponseResultForLes;
import com.hgtech.api.service.BusinessCommonApiLesServiceI;
import com.hgtech.mes.entity.HgProductionExecutionEntity;
import com.hgtech.mes.entity.HgProductionOrderEntity;
import com.hgtech.mes.entity.HgProductionPlanEntity;
@Service("businessCommonApiLesService")
@Transactional
public class BusinessCommonApiLesServiceImpl extends CommonServiceImpl implements BusinessCommonApiLesServiceI {
/**
* 接口调用示例
*/
@Override
public void apportionExcuteLes(HgProductionExecutionEntity hgProductionExecutionEntity) throws Exception {
boolean result = true;
HgSysInterfaceLogEntity log = new HgSysInterfaceLogEntity();
try {
log.setCreateDate(new Date());
ProductExcuteAcceptLes acceptLes = new ProductExcuteAcceptLes();
HgProductionOrderEntity orderEntity = super.getEntity(HgProductionOrderEntity.class, hgProductionExecutionEntity.getSourceDocumentId());
if(orderEntity != null ) {
HgProductionPlanEntity planEntity = super.getEntity(HgProductionPlanEntity.class, orderEntity.getSourceDocumentId());
acceptLes.setProCode(planEntity.getProCode());
acceptLes.setProName(planEntity.getProName());
acceptLes.setSelStarttime(planEntity.getPlanStartTime());
acceptLes.setSelEndtime(planEntity.getPlanEndTime());
// 获取token的路径
String urlToken = "http://192.168.0.1/xxxx";
// 获取token 请求参数封装
JSONObject request_data = new JSONObject();
request_data.put("secret", "835d3bb0d47a9740bab0198e461776fe");
String jsonToken = request_data.toJSONString();
String contentType = "application/json;charset=utf-8";
AjaxJson getJson = HttpClientUtils.sendMessagePost(urlToken, jsonToken, contentType);
Map<String, Object> json2Map = JSONHelper.json2Map(getJson.getMsg());
String token = (String) json2Map.get("data");
org.framework.core.util.LogUtil.info("=====获取的token为：" + token);
// 获取接口路径
String url = "http://xxxxxx";
//String jsonString = JSONHelper.collection2json(acceptLes);
String jsonString = JSONHelper.bean2json(acceptLes);
log.setReqData(jsonString);
//String contentType = "application/json;charset=utf-8";
// 封装带token的header
Map<String,String> headerMap = new HashMap<>();
headerMap.put("ext_token", token);
headerMap.put("client_type", "extsystem");
//headerMap.put("Accept", contentType);
AjaxJson json = null;
json = HttpClientUtils.sendMessagePostToken(url, jsonString, headerMap,contentType);
if (json != null && StringUtil.isNotEmpty(json.getMsg())) {
if(json.isSuccess()) {
log.setResData(json.getMsg() + "--token" + token);
ResponseResultForLes resultForLes = JSONHelper.fromJsonToObject(json.getMsg(), ResponseResultForLes.class);
if(resultForLes == null ) {
log.setSuccessFlag("失败");
log.setRemark("MES调用接口返回值格式错误");
result = false;
}else {
if (StringUtil.isNotEmpty(resultForLes.getSuccess()) && resultForLes.getSuccess().equals("1")) {
log.setSuccessFlag("成功");
log.setRemark("MES调用接口成功");
}else {
log.setSuccessFlag("失败");
log.setRemark("调用接口失败，失败码:" + resultForLes.getErrorCode());
result = false;
}
}
}else {
log.setSuccessFlag("失败");
log.setRemark("接口连接失败");
result = false;
}
}
}else {
log.setSuccessFlag("失败");
log.setRemark("参数异常");
result = false;
}
this.save(log);
} catch (Exception e) {
log.setSuccessFlag("失败");
log.setRemark("接口出现异常");
result = false;
}
if(!result) {
throw new InterfaceException(log.getRemark(),log);
}
}
}
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