這篇文章主要介紹“怎么用Java打印出貼吧某用戶發(fā)表過(guò)的所有帖子”,在日常操作中,相信很多人在怎么用Java打印出貼吧某用戶發(fā)表過(guò)的所有帖子問(wèn)題上存在疑惑,小編查閱了各式資料,整理出簡(jiǎn)單好用的操作方法,希望對(duì)大家解答”怎么用Java打印出貼吧某用戶發(fā)表過(guò)的所有帖子”的疑惑有所幫助!接下來(lái),請(qǐng)跟著小編一起來(lái)學(xué)習(xí)吧!
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代碼如下:
<html> <meta charset="UTF-8"/> <style> a { color: green; font-family: arial; font-weight: bold } </style> <body> <div id="container"></div> </body> <script src="jquery1.7.1.js"> </script> <script> /* 這個(gè)警告的意思是說(shuō):請(qǐng)求的資源可能會(huì)被(擴(kuò)展/或其他什么機(jī)制)屏蔽掉。 之所以會(huì)出現(xiàn)這個(gè)警告,是因?yàn)槿カ@取該資源的請(qǐng)求其實(shí)并(還)沒(méi)有真的發(fā)生,所以 Header 里顯示的是偽信息,直到服務(wù)器真的有響應(yīng)返回,這里的 Header 信息才會(huì)被更新為真實(shí)的。不過(guò)這一切也可能不會(huì)發(fā)生,因?yàn)樵撜?qǐng)求可能會(huì)被屏蔽。比如說(shuō) AdBlock 什么的,當(dāng)然了不全是瀏覽器擴(kuò)展,具體情況具體分析了。 對(duì)了,別忘了用 chrome://net-internals 來(lái)幫助你查找被屏蔽的請(qǐng)求以及可能的原因。 */ var PREFIX = "http://tieba.baidu.com"; var START = "http://tieba.baidu.com/i/i/my_tie"; //var START = "http://www.baidu.com"; var POST = {}; var TOTAL = 0; var SORTED = []; function getTotalCount(collection){ var count = 0; for( bar in collection){ if( !collection.hasOwnProperty(bar)) continue; var postList = collection[bar]; count += postList.length; } return count; } function shouldEnd(previousCount) { TOTAL = getTotalCount(POST); console.log("pre: " + previousCount + " total: " + TOTAL); return ( previousCount == TOTAL ); } function main() { var html = getPostByAJAX(START); handleLiChildren(html); var page = 2; while(1){ var prevCount = getTotalCount(POST); var task = START + "?&pn=" + page; var html = getPostByAJAX(task); handleLiChildren(html); page++; /* if( page >=2 ) break;*/ if( shouldEnd(prevCount) ) break; } sort(); generate(); } function handleLiChildren(resultString){ var htmlDom = $(resultString); var liChildren = $("li", htmlDom); $.each( liChildren, function(i, value) { // if( value.className.indexOf("nav_item") != -1 ) if( value.className) return true; if( value.innerText == "我回復(fù)的" || value.innerText == "我的精品") return true; var detail = parseDetail(value); insertPost(detail); }); } /* <ul> <li> <cite>2016</cite> <a href="/f?kw=%E5%A4%A7%E9%82%91" >尿素氮</a> </li> <li> <cite>2015</cite> <a href="/f?kw=%E5%A4%A7%E9%82%91" >尿素氮2</a> </li> </ul> */ function getpostSource(post) { var source = "<li><cite>"; source += post.date + "/<cite>"; source += '<a href="' + post.url + '">' + post.postTitle + "</a></li>"; return source; } function getBarPostsSource(barName, posts) { var source = '<h2>' + barName + ': ' + posts.length + '個(gè)</h2>'; source += "<ul>"; for( var i = 0; i < posts.length; i++){ var post = posts[i]; source += getpostSource(post); } source += "</ul>"; return source; } function sortNumber(a,b){ return b.size - a.size; } function sort() { for( barName in POST) { if( !POST.hasOwnProperty(barName)) continue; var post = { name: barName, size: POST[barName].length }; SORTED.push(post); } SORTED.sort(sortNumber); } function generate(){ var div = document.getElementById("container"); var source = "總共帖子: " + TOTAL + "個(gè)"; for( var i = 0; i < SORTED.length; i++){ var posts = POST[SORTED[i].name]; source += getBarPostsSource(SORTED[i].name, posts); } div.innerHTML = source; } $(function(){ main(); }); function getPostByAJAX(requestURL){ var html = $.ajax({ url: requestURL, xhrFields: { // The 'xhrFields' property sets additional fields on the XMLHttpRequest. // This can be used to set the 'withCredentials' property. // Set the value to 'true' if you'd like to pass cookies to the server. // If this is enabled, your server must respond with the header // 'Access-Control-Allow-Credentials: true'. withCredentials: true }, async: false}).responseText; debugger; return html; } /* function getPostByAJAX(requestURL){ var settings = { type: "GET", crossOrigin: true, url:requestURL, error: function(XHR,textStatus,errorThrown) { alert ("XHR="+XHR+"\ntextStatus="+textStatus+"\nerrorThrown=" + errorThrown); }, success: function(data,textStatus) { debugger; }, headers: { "Access-Control-Allow-Origin":"http://tieba.baidu.com", "Access-Control-Allow-Headers":"X-Requested-With" } }; $.ajax(settings); } */ /* function getPostByAJAX(requestURL){ var html = $.ajax({ url: requestURL, dataType:"jsonp", xhrFields: { // The 'xhrFields' property sets additional fields on the XMLHttpRequest. // This can be used to set the 'withCredentials' property. // Set the value to 'true' if you'd like to pass cookies to the server. // If this is enabled, your server must respond with the header // 'Access-Control-Allow-Credentials: true'. withCredentials: true }, async: false}).responseText; return html; } */ function insertPost(postDetail){ if( !POST[postDetail.barName]){ POST[postDetail.barName] = []; } POST[postDetail.barName].push(postDetail); } function parseDetail(liNode) { var cite = $("cite", liNode); var date = cite[0].innerHTML; // value1 var tds = $("td", liNode); var a1 = $("a", tds[0]); var barName = a1[0].innerHTML; // value2 var a2 = $("a", tds[1]); var postTitle = a2[0].innerHTML; // value3 var url = PREFIX + a2.attr("href"); return { date: date, barName: barName, postTitle: postTitle, url: url } } function getTestData(){ return '<!DOCTYPE html><html><body><div class="wrap1"><div class="wrap2"><div ' + ' id="main_wrapper" class="main_wrapper"><div id="main_back_img"><div ' + ' id="main_back_bottom"><div id="container" class="ibody clearfix"><div><div ' + ' id="content"><div class="simple_block_container"><ul><li><cite>2-16</cite>' + '<div class="wrap_container"><table><tr><td class="nowrap">在<a style="" ' + ' href="/f?kw=%E5%A4%A7%E9%82%91" target="_blank">ANDROID吧</a> 發(fā)貼</td><td class="wrap">' + '<a href="/p/4356641476?pid=84106363194&cid=0#841063631" class="thread_title" target="_blank">硬盤</a></td>' + '</tr></table></div><div class="clear"></div></li>' + '<li></li><li></li></ul></div></div></div></div></div></div></div></div></body></html>'; } </script> </html>
到此,關(guān)于“怎么用Java打印出貼吧某用戶發(fā)表過(guò)的所有帖子”的學(xué)習(xí)就結(jié)束了,希望能夠解決大家的疑惑。理論與實(shí)踐的搭配能更好的幫助大家學(xué)習(xí),快去試試吧!若想繼續(xù)學(xué)習(xí)更多相關(guān)知識(shí),請(qǐng)繼續(xù)關(guān)注創(chuàng)新互聯(lián)網(wǎng)站,小編會(huì)繼續(xù)努力為大家?guī)?lái)更多實(shí)用的文章!
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