package api.basic;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.URL;
import java.security.cert.CertificateException;
import java.util.Map;
import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSession;
import javax.net.ssl.TrustManager;
import javax.net.ssl.X509TrustManager;
import java.security.cert.X509Certificate;
public class HttpsGetData {
private static class TrustAnyTrustManager implements X509TrustManager {
public void checkClientTrusted(X509Certificate[] chain, String authType)
throws CertificateException {
}
public void checkServerTrusted(X509Certificate[] chain, String authType)
throws CertificateException {
}
public X509Certificate[] getAcceptedIssuers() {
return new X509Certificate[] {};
}
}
private static class TrustAnyHostnameVerifier implements HostnameVerifier {
public boolean verify(String hostname, SSLSession session) {
return true;
}
}
String _url="";
Map<String,String> _params;
public HttpsGetData(String url,Map<String,String> keyValueParams)
{
this._url=url;
this._params=keyValueParams;
}
public String Do() throws Exception
{
String result = "";
BufferedReader in = null;
try {
String urlStr = this._url + "&" + getParamStr();
System.out.println("GET请求的URL为："+urlStr);
SSLContext sc = SSLContext.getInstance("SSL");
sc.init(null, new TrustManager[] { new TrustAnyTrustManager() },
new java.security.SecureRandom());
URL realUrl = new URL(urlStr);
// 打开和URL之间的连接
HttpsURLConnection connection = (HttpsURLConnection) realUrl.openConnection();
//设置https相关属性
connection.setSSLSocketFactory(sc.getSocketFactory());
connection.setHostnameVerifier(new TrustAnyHostnameVerifier());
connection.setDoOutput(true);
// 设置通用的请求属性
connection.setRequestProperty("accept", "*/*");
connection.setRequestProperty("connection", "Keep-Alive");
connection.setRequestProperty("user-agent",
"Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
// 建立实际的连接
connection.connect();
// 定义 BufferedReader输入流来读取URL的响应
in = new BufferedReader(new InputStreamReader(connection.getInputStream(),"UTF-8"));
String line;
while ((line = in.readLine()) != null) {
result += line;
}
System.out.println("获取的结果为："+result);
} catch (Exception e) {
System.out.println("发送GET请求出现异常！" + e);
//e.printStackTrace();
throw e;
}
// 使用finally块来关闭输入流
finally {
try {
if (in != null) {
in.close();
}
} catch (Exception e2) {
//e2.printStackTrace();
throw e2;
}
}
return result;
}
private String getParamStr()
{
String paramStr="";
// 获取所有响应头字段
Map<String, String> params = this._params;
// 获取参数列表组成参数字符串
for (String key : params.keySet()) {
paramStr+=key+"="+params.get(key)+"&";
}
//去除最后一个"&"
paramStr=paramStr.substring(0, paramStr.length()-1);
return paramStr;
}
}