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分类: 架构设计与优化

2020-02-03 18:14:10

<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"> /* Jerry 2017-02-06 14:58PM update
 should use C:\MyApp\Chrome\Application\chrome.exe --user-data-dir="C:/yaas" --disable-web-security
 and then FIRST LOG ON BAIDU successfully!!!!

*/ </script> <script> /* Jerry 2017-02-05 5:54PM
这个警告的意思是说:请求的资源可能会被(扩展/或其他什么机制)屏蔽掉。

之所以会出现这个警告,是因为去获取该资源的请求其实并(还)没有真的发生,所以 Header 里显示的是伪信息,直到服务器真的有响应返回,这里的 Header 信息才会被更新为真实的。不过这一切也可能不会发生,因为该请求可能会被屏蔽。比如说 AdBlock 什么的,当然了不全是浏览器扩展,具体情况具体分析了。

对了,别忘了用 chrome://net-internals 来帮助你查找被屏蔽的请求以及可能的原因。
*/ var PREFIX = ""; var START = "/i/i/my_tie"; //var START = ""; 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 == "我回复的" || value.innerText == "我的精品") return true; var detail = parseDetail(value); insertPost(detail); }); } /*

*/ function getpostSource(post) { var source = "
  • "; source += post.date + "/"; source += '+ post.url + '">' + post.postTitle + "
  • "
    ; return source; } function getBarPostsSource(barName, posts) { var source = '

    ' + barName + ': ' + posts.length + '个

    '
    ; source += "
      "; for( var i = 0; i < posts.length; i++){ var post = posts[i]; source += getpostSource(post); } source += "
    "
    ; 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 = "总共帖子: " + TOTAL + "个"; 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":"", "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 '
    + ' id="main_wrapper" class="main_wrapper">
    + ' id="main_back_bottom">
    + ' id="content">
    '; } </script> </html>
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