日期:2014-05-16  浏览次数:20859 次

jsoup缃戦〉鍐呭鎶撳彇鍒嗘瀽(2)

聽 聽 聽閽堝涓婁竴绡囧啓鐨勫唴瀹瑰緢绠€鍗曪紝鍙槸缁欏ぇ瀹舵姏鍑轰簡鏈変竴涓伐鍏峰彲浠ョ敤鏉ュ垎鏋愮綉椤电殑鍐呭锛屽仛java鎼滅储鐖櫕浣跨敤锛屽疄闄呯殑浣跨敤骞舵病鏈夋€庝箞浠嬬粛锛岀幇鍦ㄨ繖绡囨枃绔犲氨鏉ヤ粙缁嶄竴涓嬬敤娉曪紝鍙兘鍒嗘瀽鐨勪笉鏄緢鍏ㄩ潰锛屾杩庢壒璇勩€傜粡杩囨垜鐨勬祴璇曚娇鐢紝jsoup鍒嗘瀽缃戦〉缁撴瀯鍜屽唴瀹圭殑鍔熻兘杩滆繙寮哄ぇ浜嶩tmlParser,鏃犺鏄幏鍙栨暣涓〉闈㈢殑鏂囨湰锛岃繕鏄垎鏋愮壒瀹氬唴瀹圭殑缃戦〉缁撴瀯锛岄兘鏄崄鍒嗙殑鏂逛究銆?/p>

聽 聽 聽 聽 闄勪笂閾炬帴锛?a href="http://jsoup.org/">jsoup瀹樼綉锛?a style="line-height: 1.5;" href="http://jsoup.org/">http://jsoup.org/聽锛屼腑鏂噅soup锛?a style="line-height: 1.5;" href="http://www.open-open.com/jsoup/">http://www.open-open.com/jsoup/

聽 聽 聽涓嬮潰鍐欎簺鎴戠殑浣跨敤璁板綍锛屽笇鏈涘ぇ瀹跺鏋滆兘浠庢垜鐨勬柟娉曚腑寰楀埌鍚彂锛岄壌浜庢湰浜轰粠浜嬪紑鍙戝伐浣滀笉涔咃紝鍐呭鍙兘鍐欑殑涓嶆槸寰堝ソ銆?/p>

聽 聽 聽jsoup鏁版嵁鑾峰彇鏈変袱澶ф柟娉曪細1.閫氳繃鍒嗘瀽dom妯″瀷鐨勭綉椤垫爣绛惧拰鍏冪礌锛?.select鍏冪礌閫夋嫨鍣紝绫讳技jquery鏂瑰紡锛堝姛鑳藉緢寮哄ぇ锛岃繕鏀寔姝e垯琛ㄨ揪寮忥級銆?/strong>缃戦〉tag鏍囩鏈塨ody锛宒iv锛宼able锛宼r锛宼d锛宎锛岀瓑绛夈€傚厓绱犵殑灞炴€ф湁锛宧ref锛宼itle锛寃idth锛宧eight锛宑olor绛夌瓑锛屽厓绱犲睘鎬х殑鍊煎氨鏄紝渚嬪锛歨ref=鈥渨ww.baidu.com鈥? 鍊煎氨鏄痺ww.baidu.com 銆倃idth=鈥?8%鈥?鍊煎氨鏄?8%

聽 聽 聽

聽 聽 聽 涓嬮潰灏变互鍒嗘瀽http://www.iteye.com棣栭〉鐨勬瘡鏃ヨ祫璁负渚嬶紝鎶撳彇姣忔棩璧勮鐨勬爣棰樺拰url鍦板潃锛岃缁嗗啓鍑哄垎鏋愭楠わ細

聽 聽 聽 聽1.鐢╟hrome娴忚鍣ㄧ殑鍏冪礌瀹℃煡锛屽垎鏋愰〉闈㈢殑缁撴瀯锛屽緱鍒版瘡鏃ヨ祫璁槸div class=<main_left>灞傞噷闈?/strong>

聽 聽 聽2.鍐欑▼搴忓垎鏋愶紝棣栧厛鏍规嵁url鑾峰彇div鏂囨湰锛屽啀鏉ユ牴鎹枃鏈鍐呭杩涜鍒嗘瀽

	/**
	 * 鏍规嵁jsoup鏂规硶鑾峰彇htmlContent
         * 鍔犲叆绠€鍗曠殑鏃堕棿璁板綍
	 * @throws IOException 
	 */
	public static String getContentByJsoup(String url){
		String content="";
		try {
			System.out.println("time=====start");
			Date startdate=new Date();
			Document doc=Jsoup.connect(url)
			.data("jquery", "java")
			.userAgent("Mozilla")
			.cookie("auth", "token")
			.timeout(50000)
			.get();
			Date enddate=new Date();
			Long time=enddate.getTime()-startdate.getTime();
			System.out.println("浣跨敤Jsoup鑰楁椂=="+time);
			System.out.println("time=====end");
			content=doc.toString();//鑾峰彇iteye缃戠珯鐨勬簮鐮乭tml鍐呭
			System.out.println(doc.title());//鑾峰彇iteye缃戠珯鐨勬爣棰?
		} catch (IOException e) {
			e.printStackTrace();
		}
		System.out.println(content); 
		return content;
	}

聽 聽3. 鏍规嵁鏁翠釜姣忔棩璧勮鎵€鍦ㄧ殑div灞傦紝鑾峰彇閭f鍐呭锛堢簿纭幏鍙栵級

        /**
	 * 浣跨敤jsoup鏉ュ鏂囨。鍒嗘瀽
         * 鑾峰彇鐩爣鍐呭鎵€鍦ㄧ殑鐩爣灞?
         * 杩欎釜鐩爣灞傚彲浠ユ槸div锛宼able锛宼r绛夌瓑
	 */
	public static String getDivContentByJsoup(String content){
		String divContent="";
		Document doc=Jsoup.parse(content);
		Elements divs=doc.getElementsByClass("main_left");
		divContent=divs.toString();
	      //System.out.println("div==="+divContent);
		return divContent;
	}

聽 聽聽

聽 聽 聽4.鏍规嵁鑾峰彇鐨勭洰鏍囧眰寰楀埌浣犳墍瑕佺殑鍐呭锛坱itle锛寀rl鍦板潃...绛夌瓑锛?/strong>

聽 聽 聽聽

/**
	 * 浣跨敤jsoup鍒嗘瀽divContent
	 * 1.鑾峰彇閾炬帴 2.鑾峰彇url鍦板潃锛堢粷瀵硅矾寰勶級
	 */
	public static void getLinksByJsoup(String divContent){
		String abs="http://www.iteye.com/";
		Document doc=Jsoup.parse(divContent,abs);
		Elements linkStrs=doc.getElementsByTag("li");
		System.out.println("閾炬帴==="+linkStrs.size());
		for(Element linkStr:linkStrs){
		    String url=linkStr.getElementsByTag("a").attr("abs:href");
		    String title=linkStr.getElementsByTag("a").text();
		    System.out.println("鏍囬:"+title+" url:"+url);
		}
	}

聽 聽 聽5.鍔犲叆main鏂规硶閲岄潰鎵ц娴嬭瘯

/**
	 * @method 娴嬭瘯鑾峰彇鍐呭绋嬪簭
	 */
	public static void main(String[] args) throws IOException {
		
		/**
		 * 鎵ц鍒嗘瀽绋嬪簭
		 */
		String url="http://www.iteye.com/";
		String HtmlContent=getContentByJsoup(url);
		String divContent=getDivContentByJsoup(HtmlContent);
		getLinksByJsoup(divContent);
	}

聽 聽 聽6.闄勪笂缁撴潫璇細jsoup鍔熻兘寰堝ソ寰堝己澶э紝闄勪笂鐨勫彧鏄畝鍗曠殑浣跨敤鏂规硶锛岃繕鏈夊緢澶氶渶瑕佸畬鍠勭殑鍐呭锛屾垜鍏跺疄浣跨敤涔熶笉鍒板嚑澶╃殑鏃堕棿銆傝繕鏈夊氨鏄痵elect鍔熻兘杩樻槸寰堝ソ鐢ㄧ殑锛屽叿浣撳弬鑰冨畼鏂规枃妗o紝鍐欑殑闈炲父鐨勯€氫織鏄撴噦锛侀檮涓婄▼搴忔簮鐮佸拰jsoup鐨刯ar鍖?/stron