下载12306的证书,访问12306网站,下载12306的证书
导出证书
导出完成后,导入证书
查看是否导入
java中加载证书
public static void main( String[] args ){ PrintWriter out = null; BufferedReader in = null; String result = ""; //设置证书 System.setProperty("javax.net.ssl.trustStore","D:\\Program Files\\Java\\jdk1.7.0_79\\bin\\12306d.keystore"); System.setProperty("javax.net.ssl.trustStorePassword", "12306java"); try { URL realUrl = new URL("https://kyfw.12306.cn/otn/login/loginAysnSuggest"); // 打开和URL之间的连接 URLConnection conn = realUrl.openConnection(); // 设置通用的请求属性 conn.setRequestProperty("accept", "*/*"); conn.setRequestProperty("connection", "Keep-Alive"); conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)"); // 发送POST请求必须设置如下两行 conn.setDoOutput(true); conn.setDoInput(true); // 获取URLConnection对象对应的输出流 out = new PrintWriter(conn.getOutputStream()); // 发送请求参数 out.print("loginUserDTO.user_name=aaa&userDTO.password=123456&randCode=182,51,19,130"); // flush输出流的缓冲 out.flush(); // 定义BufferedReader输入流来读取URL的响应 in = new BufferedReader( new InputStreamReader(conn.getInputStream())); String line; while ((line = in.readLine()) != null) { result += line; } System.out.println(result); } catch (Exception e) { System.out.println("发送 POST 请求出现异常!"+e); e.printStackTrace(); } //使用finally块来关闭输出流、输入流 finally{ try{ if(out!=null){ out.close(); } if(in!=null){ in.close(); } } catch(IOException ex){ ex.printStackTrace(); } } }
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时间: 2024-12-29 12:40:47