HttpURLConnection绫荤殑璋冪敤setRequestProperty鍔熻兘
HttpURLConnection绫荤殑setRequestProperty鏂规硶鐢ㄤ簬璁剧疆HTTP璇锋眰鐨勫ご瀛楁銆傚畠鎺ュ彈涓や釜鍙傛暟锛氶敭鍜屽€硷紝鐢ㄤ簬鎸囧畾瑕佽缃殑澶村瓧娈电殑鍚嶇О鍜屽€笺€?/p>
涓嬮潰鏄竴涓娇鐢╯etRequestProperty鏂规硶鐨勭ず渚嬶細
URL url = new URL("http://www.example.com");
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.setRequestProperty("User-Agent", "Mozilla/5.0");
connection.setRequestProperty("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8");
// 鍏朵粬浠g爜...
鍦ㄤ笂闈㈢殑绀轰緥涓紝鎴戜滑鍒涘缓浜嗕竴涓猆RL瀵硅薄骞堕€氳繃openConnection鏂规硶鑾峰彇HttpURLConnection瀹炰緥銆傜劧鍚庯紝鎴戜滑浣跨敤setRequestProperty鏂规硶璁剧疆浜嗕袱涓ご瀛楁锛歎ser-Agent鍜孉ccept銆傚叾涓紝User-Agent瀛楁鐢ㄤ簬鎸囧畾瀹㈡埛绔殑鐢ㄦ埛浠g悊锛岃€孉ccept瀛楁鐢ㄤ簬鎸囧畾瀹㈡埛绔彲浠ユ帴鍙楃殑MIME绫诲瀷銆?/p>
娉ㄦ剰锛屽湪璋冪敤setRequestProperty鏂规硶涔嬪墠锛屽繀椤诲厛寤虹珛杩炴帴锛堥€氳繃璋冪敤connect鏂规硶锛夛紝鍚﹀垯灏嗘姏鍑篒llegalStateException寮傚父銆?/p>
姝ゅ锛宻etRequestProperty鏂规硶杩樺彲浠ョ敤浜庤缃叾浠朒TTP璇锋眰澶村瓧娈碉紝姣斿Content-Type銆丄uthorization绛夈€傛牴鎹渶瑕侊紝鍙互澶氭璋冪敤setRequestProperty鏂规硶鏉ヨ缃涓ご瀛楁銆?/p>