1. Ejemplo de código de acoplamiento de interfaz de implementación HTTP:
import com.alibaba.fastjson.JSONObject;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.nio.charset.Charset;
import java.util.Map;
import java.util.Vector;
/**
* HTTP请求对象
*
* @author admin
*/
public class HttpRequester {
private String defaultContentEncoding;
public HttpRequester() {
this.defaultContentEncoding = Charset.defaultCharset().name();
}
/**
* 发送GET请求
*
* @param urlString URL地址
* @return 响应对象
* @throws IOException
*/
public HttpRespons sendGet(String urlString) throws IOException {
return this.send(urlString, "GET", null, null);
}
/**
* 发送GET请求
*
* @param urlString URL地址
* @param params 参数集合
* @return 响应对象
* @throws IOException
*/
public HttpRespons sendGet(String urlString, Map<String, String> params)
throws IOException {
return this.send(urlString, "GET", params, null);
}
/**
* 发送GET请求
*
* @param urlString URL地址
* @param params 参数集合
* @param propertys 请求属性
* @return 响应对象
* @throws IOException
*/
public HttpRespons sendGet(String urlString, Map<String, String> params,
Map<String, String> propertys) throws IOException {
return this.send(urlString, "GET", params, propertys);
}
/**
* 发送POST请求
*
* @param urlString URL地址
* @return 响应对象
* @throws IOException
*/
public HttpRespons sendPost(String urlString) throws IOException {
return this.send(urlString, "POST", null, null);
}
/**
* 发送POST请求
*
* @param urlString URL地址
* @param params 参数集合
* @return 响应对象
* @throws IOException
*/
public HttpRespons sendPost(String urlString, Map<String, String> params)
throws IOException {
return this.send(urlString, "POST", params, null);
}
/**
* 发送POST请求
*
* @param urlString URL地址
* @param params 参数集合
* @param propertys 请求属性
* @return 响应对象
* @throws IOException
*/
public HttpRespons sendPost(String urlString, Map<String, String> params,
Map<String, String> propertys) throws IOException {
return this.send(urlString, "POST", params, propertys);
}
/**
* post发送json数据
* @param url
* @param param
* @return
*/
public String doPost(String url, JSONObject param) {
HttpPost httpPost = null;
String result = null;
try {
HttpClient client = new DefaultHttpClient();
httpPost = new HttpPost(url);
if (param != null) {
StringEntity se = new StringEntity(param.toString(), "utf-8");
httpPost.setEntity(se); // post方法中，加入json数据
httpPost.setHeader("Content-Type", "application/json");
}
HttpResponse response = client.execute(httpPost);
if (response != null) {
HttpEntity resEntity = response.getEntity();
if (resEntity != null) {
result = EntityUtils.toString(resEntity, "utf-8");
}
}
} catch (Exception ex) {
}
return result;
}
/**
* 发送HTTP请求
*
* @param urlString
* @return 响映对象
* @throws IOException
*/
private HttpRespons send(String urlString, String method,
Map<String, String> parameters, Map<String, String> propertys)
throws IOException {
HttpURLConnection urlConnection = null;
if (method.equalsIgnoreCase("GET") && parameters != null) {
StringBuffer param = new StringBuffer();
int i = 0;
for (String key : parameters.keySet()) {
if (i == 0) {
param.append("?");
} else {
param.append("&");
}
param.append(key).append("=").append(parameters.get(key));
i++;
}
urlString += param;
}
URL url = new URL(urlString);
urlConnection = (HttpURLConnection) url.openConnection();
urlConnection.setRequestMethod(method);
urlConnection.setDoOutput(true);
urlConnection.setDoInput(true);
urlConnection.setUseCaches(false);
if (propertys != null) {
for (String key : propertys.keySet()) {
urlConnection.addRequestProperty(key, propertys.get(key));
}
}
if (method.equalsIgnoreCase("POST") && parameters != null) {
StringBuffer param = new StringBuffer();
for (String key : parameters.keySet()) {
param.append("&");
param.append(key).append("=").append(parameters.get(key));
}
urlConnection.getOutputStream().write(param.toString().getBytes());
urlConnection.getOutputStream().flush();
urlConnection.getOutputStream().close();
}
return this.makeContent(urlString, urlConnection);
}
/**
* 得到响应对象
*
* @param urlConnection
* @return 响应对象
* @throws IOException
*/
private HttpRespons makeContent(String urlString,
HttpURLConnection urlConnection) throws IOException {
HttpRespons httpResponser = new HttpRespons();
try {
InputStream in = urlConnection.getInputStream();
BufferedReader bufferedReader = new BufferedReader(
new InputStreamReader(in));
httpResponser.contentCollection = new Vector<String>();
StringBuffer temp = new StringBuffer();
String line = bufferedReader.readLine();
while (line != null) {
httpResponser.contentCollection.add(line);
temp.append(line).append("\r\n");
line = bufferedReader.readLine();
}
bufferedReader.close();
String ecod = urlConnection.getContentEncoding();
if (ecod == null) {
ecod = this.defaultContentEncoding;
}
httpResponser.urlString = urlString;
httpResponser.defaultPort = urlConnection.getURL().getDefaultPort();
httpResponser.file = urlConnection.getURL().getFile();
httpResponser.host = urlConnection.getURL().getHost();
httpResponser.path = urlConnection.getURL().getPath();
httpResponser.port = urlConnection.getURL().getPort();
httpResponser.protocol = urlConnection.getURL().getProtocol();
httpResponser.query = urlConnection.getURL().getQuery();
httpResponser.ref = urlConnection.getURL().getRef();
httpResponser.userInfo = urlConnection.getURL().getUserInfo();
httpResponser.content = new String(temp.toString().getBytes(),
ecod);
httpResponser.contentEncoding = ecod;
httpResponser.code = urlConnection.getResponseCode();
httpResponser.message = urlConnection.getResponseMessage();
httpResponser.contentType = urlConnection.getContentType();
httpResponser.method = urlConnection.getRequestMethod();
httpResponser.connectTimeout = urlConnection.getConnectTimeout();
httpResponser.readTimeout = urlConnection.getReadTimeout();
return httpResponser;
} catch (IOException e) {
throw e;
} finally {
if (urlConnection != null) {
urlConnection.disconnect();
}
}
}
/**
* 默认的响应字符集
*/
public String getDefaultContentEncoding() {
return this.defaultContentEncoding;
}
/**
* 设置默认的响应字符集
*/
public void setDefaultContentEncoding(String defaultContentEncoding) {
this.defaultContentEncoding = defaultContentEncoding;
}
}
2. Objeto de respuesta
/**
* HTTP响应对象
*
* @author admin
*/
public class HttpRespons {
String urlString;
int defaultPort;
String file;
String host;
String path;
int port;
String protocol;
String query;
String ref;
String userInfo;
String contentEncoding;
String content;
String contentType;
int code;
String message;
String method;
int connectTimeout;
int readTimeout;
Vector<String> contentCollection;
public String getContent() {
return content;
}
public String getContentType() {
return contentType;
}
public int getCode() {
return code;
}
public String getMessage() {
return message;
}
public Vector<String> getContentCollection() {
return contentCollection;
}
public String getContentEncoding() {
return contentEncoding;
}
public String getMethod() {
return method;
}
public int getConnectTimeout() {
return connectTimeout;
}
public int getReadTimeout() {
return readTimeout;
}
public String getUrlString() {
return urlString;
}
public int getDefaultPort() {
return defaultPort;
}
public String getFile() {
return file;
}
public String getHost() {
return host;
}
public String getPath() {
return path;
}
public int getPort() {
return port;
}
public String getProtocol() {
return protocol;
}
public String getQuery() {
return query;
}
public String getRef() {
return ref;`在这里插入代码片`
}
public String getUserInfo() {
return userInfo;
}
}
3. Ejemplo de llamada:
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import java.util.Arrays;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
public class Test {
public static void main(String[] args) throws Exception {
String caseInfoUrl = "http://127.0.0.1:8084/xxx.do";
Map<String, String> paramMap = new HashMap<>();
paramMap.put("xxx", "1");
paramMap.put("yyy", "2");
paramMap.put("hhh", "13");
HttpRequester http = new HttpRequester();
HttpRespons resp = http.sendPost(caseInfoUrl, paramMap);
String resultStr = resp.getContent();
Map<String, Object> mapJson = JSON.parseObject(resultStr, Map.class);
System.out.println(mapJson);
}
}