下載12306的證書,訪問12306網站,下載12306的證書
導出證書
導出完成後,導入證書
查看是否導入
java中加載證書
public static void main( String[] args ){ PrintWriter out = null; BufferedReader in = null; String result = ""; //設置證書 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"); // 打開和URL之間的連接 URLConnection conn = realUrl.openConnection(); // 設置通用的請求屬性 conn.setRequestProperty("accept", "*/*"); conn.setRequestProperty("connection", "Keep-Alive"); conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)"); // 發送POST請求必須設置如下兩行 conn.setDoOutput(true); conn.setDoInput(true); // 獲取URLConnection對象對應的輸出流 out = new PrintWriter(conn.getOutputStream()); // 發送請求參數 out.print("loginUserDTO.user_name=aaa&userDTO.password=123456&randCode=182,51,19,130"); // flush輸出流的緩衝 out.flush(); // 定義BufferedReader輸入流來讀取URL的響應 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("發送 POST 請求出現異常!"+e); e.printStackTrace(); } //使用finally塊來關閉輸出流、輸入流 finally{ try{ if(out!=null){ out.close(); } if(in!=null){ in.close(); } } catch(IOException ex){ ex.printStackTrace(); } } }
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