DdmitOkHTTP使用示例。
一、环境信息
- JDK 1.8；
- 调用方式:OKHTTP 4.9.0；
二、工具类
import com.alibaba.fastjson.JSONObject;
import okhttp3.*;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSocketFactory;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import java.io.IOException;
import java.util.Map;
public class OkHttpUtil {
/**
* 使用OkHttp发送get请求
*
* @param url 请求地址
* @return 返回结果
*/
public static String sendGet(String url) {
String result = null;
OkHttpClient okHttpClient = new OkHttpClient();
Request request = new Request.Builder()
.url(url)
.build();
try {
Response response = okHttpClient.newCall(request).execute();
result = response.body().string();
} catch (IOException e) {
e.printStackTrace();
}
return result;
}
/**
* 使用OkHttp发送get请求
*
* @param url 请求地址
* @param header 请求头Headers
* @return 返回结果
*/
public static String sendGetWithHeader(String url, Map<String, String> header) {
String result = null;
OkHttpClient okHttpClient = new OkHttpClient();
Request request = new Request.Builder()
.url(url)
.addHeader("Authorization", header.get("Authorization"))
.build();
try {
Response response = okHttpClient.newCall(request).execute();
result = response.body().string();
} catch (IOException e) {
e.printStackTrace();
}
return result;
}
/**
* 使用OkHttp发送post请求
*
* @param url 请求地址
* @param params 请求参数
* @return 返回结果
*/
public static String sendPost(String url, Map<String, Object> params) {
String result = null;
OkHttpClient okHttpClient = new OkHttpClient();
RequestBody requestBody = RequestBody.create(JSONObject.toJSONString(params), MediaType.get("application/json"));
//创建一个请求对象
Request request = new Request.Builder()
.url(url)
.post(requestBody)
.build();
//发送请求获取响应
try {
Response response = okHttpClient.newCall(request).execute();
result = response.body().string();
} catch (IOException e) {
e.printStackTrace();
}
return result;
}
/**
* 使用OkHttp发送post请求
*
* @param url 请求地址
* @param params 请求参数
* @return 返回结果
*/
public static String sendPostWithHeader(String url, Map<String, Object> params, Map<String, String> header) {
String result = null;
OkHttpClient okHttpClient = new OkHttpClient();
RequestBody requestBody = RequestBody.create(JSONObject.toJSONString(params), MediaType.get("application/json"));
//创建一个请求对象
Request request = new Request.Builder()
.url(url)
.addHeader("Authorization", header.get("Authorization"))
.post(requestBody)
.build();
//发送请求获取响应
try {
Response response = okHttpClient.newCall(request).execute();
result = response.body().string();
} catch (IOException e) {
e.printStackTrace();
}
return result;
}
/**
* 解决接口地址自签名证书不受信任的情况
* <p>
* This is very bad practice and should NOT be used in production.
*
* @return OkHttpClient
*/
private static OkHttpClient getUnsafeOkHttpClient() {
try {
// Create a trust manager that does not validate certificate chains
final TrustManager[] trustAllCerts = new TrustManager[]{
new X509TrustManager() {
@Override
public void checkClientTrusted(java.security.cert.X509Certificate[] chain, String authType) {
}
@Override
public void checkServerTrusted(java.security.cert.X509Certificate[] chain, String authType) {
}
@Override
public java.security.cert.X509Certificate[] getAcceptedIssuers() {
return new java.security.cert.X509Certificate[]{};
}
}
};
// Install the all-trusting trust manager
final SSLContext sslContext = SSLContext.getInstance("SSL");
sslContext.init(null, trustAllCerts, new java.security.SecureRandom());
// Create an ssl socket factory with our all-trusting manager
final SSLSocketFactory sslSocketFactory = sslContext.getSocketFactory();
OkHttpClient.Builder builder = new OkHttpClient.Builder();
builder.sslSocketFactory(sslSocketFactory, (X509TrustManager) trustAllCerts[0]);
builder.hostnameVerifier((hostname, session) -> true);
OkHttpClient okHttpClient = builder.build();
return okHttpClient;
} catch (Exception e) {
throw new RuntimeException(e);
}
}
/**
* 使用OkHttp发送get请求(绕过SSL证书验证)
*
* @param url 请求地址
* @return 返回结果
*/
public static String sendGetTrustAllCerts(String url) {
String result = null;
OkHttpClient okHttpClient = getUnsafeOkHttpClient();
Request request = new Request.Builder()
.url(url)
.build();
try {
Response response = okHttpClient.newCall(request).execute();
result = response.body().string();
} catch (IOException e) {
e.printStackTrace();
}
return result;
}
/**
* 使用OkHttp发送post请求(绕过SSL证书验证)
*
* @param url 请求地址
* @param params 请求参数
* @return 返回结果
*/
public static String sendPostTrustAllCerts(String url, Map<String, Object> params) {
String result = null;
OkHttpClient okHttpClient = getUnsafeOkHttpClient();
RequestBody requestBody = RequestBody.create(JSONObject.toJSONString(params), MediaType.get("application/json"));
//创建一个请求对象
Request request = new Request.Builder()
.url(url)
.post(requestBody)
.build();
//发送请求获取响应
try {
Response response = okHttpClient.newCall(request).execute();
result = response.body().string();
} catch (IOException e) {
e.printStackTrace();
}
return result;
}
/**
* 使用OkHttp发送post请求(绕过SSL证书验证)
*
* @param url 请求地址
* @param params 请求参数
* @return 返回结果
*/
public static String sendPostWithHeaderTrustAllCerts(String url, Map<String, Object> params, Map<String, String> header) {
String result = null;
OkHttpClient okHttpClient = getUnsafeOkHttpClient();
RequestBody requestBody = RequestBody.create(JSONObject.toJSONString(params), MediaType.get("application/json"));
//创建一个请求对象
Request request = new Request.Builder()
.url(url)
.addHeader("Authorization", header.get("Authorization"))
.post(requestBody)
.build();
//发送请求获取响应
try {
Response response = okHttpClient.newCall(request).execute();
result = response.body().string();
} catch (IOException e) {
e.printStackTrace();
}
return result;
}
}
