codeBeatTime.github.io/archives/index.html at master · codeBeatTime/codeBeatTime.github.io

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<!DOCTYPE html>

<head>

var NexT = window.NexT || {};

var CONFIG = {

root: '/',

scheme: 'Gemini',

version: '6.0.6',

sidebar: {"position":"left","display":"always","offset":12,"b2t":false,"scrollpercent":false,"onmobile":false},

fancybox: false,

fastclick: false,

lazyload: false,

tabs: true,

motion: {"enable":true,"async":false,"transition":{"post_block":"fadeIn","post_header":"slideDownIn","post_body":"slideDownIn","coll_header":"slideLeftIn","sidebar":"slideUpIn"}},

algolia: {

applicationID: '',

apiKey: '',

indexName: '',

hits: {"per_page":10},

labels: {"input_placeholder":"Search for Posts","hits_empty":"We didn't find any results for the search: ${query}","hits_stats":"${hits} results found in ${time} ms"}

}

};

</script>

CONFIG.page = {

sidebar: "",

};

</script>

.use-motion .motion-element,

.use-motion .brand,

.use-motion .menu-item,

.sidebar-inner,

.use-motion .post-block,

.use-motion .pagination,

.use-motion .comments,

.use-motion .post-header,

.use-motion .post-body,

.use-motion .collection-title { opacity: initial; }

.use-motion .logo,

.use-motion .site-title,

.use-motion .site-subtitle {

opacity: initial;

top: initial;

}

.use-motion {

.logo-line-before i { left: initial; }

.logo-line-after i { right: initial; }

}

</style>

</noscript>

</head>

</a>

</div>

</div>

</button>

</div>

</li>

</li>

</li>

</li>

</li>

</ul>

</span>

</span>

<input autocomplete="off"

placeholder="搜索..." spellcheck="false"

type="text" id="local-search-input">

</div>

</div>

</nav>

</div>

</header>

嗯..! 目前共计 2 篇日志。继续努力。

</span>

</div>

<span itemprop="name">sql查询优化-- 索引命中</span>

</a>

</h2>

<time class="post-time" itemprop="dateCreated"

datetime="2018-04-25T21:49:27+08:00"

content="2018-04-25" >

04-25

</time>

</div>

</header>

</article>

</a>

</h2>

<time class="post-time" itemprop="dateCreated"

datetime="2018-04-25T21:41:25+08:00"

content="2018-04-25" >

04-25

</time>

</div>

</header>

</article>

</div>

</div>

<img class="site-author-image" itemprop="image"

src="http://p6681t98v.bkt.clouddn.com/avatar.jpg"

alt="杨延平" />

</div>

</a>

</div>

</nav>

RSS

</a>

</div>

</section>

</div>

</aside>

</div>

</main>

</span>

</div>

<div class="theme-info">主题 — <a class="theme-link" target="_blank" href="https://github.com/theme-next/hexo-theme-next">NexT.Gemini</a> v6.0.6</div>

(function() {

var hm = document.createElement("script");

hm.src = "//tajs.qq.com/stats?sId=65509327";

var s = document.getElementsByTagName("script")[0];

s.parentNode.insertBefore(hm, s);

})();

</script>

</div>

</footer>

</div>

if (Object.prototype.toString.call(window.Promise) !== '[object Function]') {

window.Promise = null;

}

</script>

// Popup Window;

var isfetched = false;

var isXml = true;

// Search DB path;

var search_path = "search.xml";

if (search_path.length === 0) {

search_path = "search.xml";

} else if (/json$/i.test(search_path)) {

isXml = false;

}

var path = "/" + search_path;

// monitor main search box;

var onPopupClose = function (e) {

$('.popup').hide();

$('#local-search-input').val('');

$('.search-result-list').remove();

$('#no-result').remove();

$(".local-search-pop-overlay").remove();

$('body').css('overflow', '');

}

function proceedsearch() {

$("body")

.append('<div class="search-popup-overlay local-search-pop-overlay"></div>')

.css('overflow', 'hidden');

$('.search-popup-overlay').click(onPopupClose);

$('.popup').toggle();

var $localSearchInput = $('#local-search-input');

$localSearchInput.attr("autocapitalize", "none");

$localSearchInput.attr("autocorrect", "off");

$localSearchInput.focus();

}

// search function;

var searchFunc = function(path, search_id, content_id) {

'use strict';

// start loading animation

$("body")

.append('<div class="search-popup-overlay local-search-pop-overlay">' +

'<div id="search-loading-icon">' +

'<i class="fa fa-spinner fa-pulse fa-5x fa-fw"></i>' +

'</div>' +

'</div>')

.css('overflow', 'hidden');

$("#search-loading-icon").css('margin', '20% auto 0 auto').css('text-align', 'center');

$.ajax({

url: path,

dataType: isXml ? "xml" : "json",

async: true,

success: function(res) {

// get the contents from search data

isfetched = true;

$('.popup').detach().appendTo('.header-inner');

var datas = isXml ? $("entry", res).map(function() {

return {

title: $("title", this).text(),

content: $("content",this).text(),

url: $("url" , this).text()

};

}).get() : res;

var input = document.getElementById(search_id);

var resultContent = document.getElementById(content_id);

var inputEventFunction = function() {

var searchText = input.value.trim().toLowerCase();

var keywords = searchText.split(/[\s\-]+/);

if (keywords.length > 1) {

keywords.push(searchText);

}

var resultItems = [];

if (searchText.length > 0) {

// perform local searching

datas.forEach(function(data) {

var isMatch = false;

var hitCount = 0;

var searchTextCount = 0;

var title = data.title.trim();

var titleInLowerCase = title.toLowerCase();

var content = data.content.trim().replace(/<[^>]+>/g,"");

var contentInLowerCase = content.toLowerCase();

var articleUrl = decodeURIComponent(data.url);

var indexOfTitle = [];

var indexOfContent = [];

// only match articles with not empty titles

if(title != '') {

keywords.forEach(function(keyword) {

function getIndexByWord(word, text, caseSensitive) {

var wordLen = word.length;

if (wordLen === 0) {

return [];

}

var startPosition = 0, position = [], index = [];

if (!caseSensitive) {

text = text.toLowerCase();

word = word.toLowerCase();

}

while ((position = text.indexOf(word, startPosition)) > -1) {

index.push({position: position, word: word});

startPosition = position + wordLen;

}

return index;

}

indexOfTitle = indexOfTitle.concat(getIndexByWord(keyword, titleInLowerCase, false));

indexOfContent = indexOfContent.concat(getIndexByWord(keyword, contentInLowerCase, false));

});

if (indexOfTitle.length > 0 || indexOfContent.length > 0) {

isMatch = true;

hitCount = indexOfTitle.length + indexOfContent.length;

}

// show search results

if (isMatch) {

// sort index by position of keyword

[indexOfTitle, indexOfContent].forEach(function (index) {

index.sort(function (itemLeft, itemRight) {

if (itemRight.position !== itemLeft.position) {

return itemRight.position - itemLeft.position;

} else {

return itemLeft.word.length - itemRight.word.length;

}

});

// merge hits into slices

function mergeIntoSlice(text, start, end, index) {

var item = index[index.length - 1];

var position = item.position;

var word = item.word;

var hits = [];

var searchTextCountInSlice = 0;

while (position + word.length <= end && index.length != 0) {

if (word === searchText) {

searchTextCountInSlice++;

}

hits.push({position: position, length: word.length});

var wordEnd = position + word.length;

// move to next position of hit

index.pop();

while (index.length != 0) {

item = index[index.length - 1];

position = item.position;

word = item.word;

if (wordEnd > position) {

index.pop();

} else {

break;

}

searchTextCount += searchTextCountInSlice;

return {

hits: hits,

start: start,

end: end,

searchTextCount: searchTextCountInSlice

};

}

var slicesOfTitle = [];

if (indexOfTitle.length != 0) {

slicesOfTitle.push(mergeIntoSlice(title, 0, title.length, indexOfTitle));

}

var slicesOfContent = [];

while (indexOfContent.length != 0) {

var item = indexOfContent[indexOfContent.length - 1];

var position = item.position;

var word = item.word;

// cut out 100 characters

var start = position - 20;

var end = position + 80;

if(start < 0){

start = 0;

}

if (end < position + word.length) {

end = position + word.length;

}

if(end > content.length){

end = content.length;

}

slicesOfContent.push(mergeIntoSlice(content, start, end, indexOfContent));

}

// sort slices in content by search text's count and hits' count

slicesOfContent.sort(function (sliceLeft, sliceRight) {

if (sliceLeft.searchTextCount !== sliceRight.searchTextCount) {

return sliceRight.searchTextCount - sliceLeft.searchTextCount;

} else if (sliceLeft.hits.length !== sliceRight.hits.length) {

return sliceRight.hits.length - sliceLeft.hits.length;

} else {

return sliceLeft.start - sliceRight.start;

}

});

// select top N slices in content

var upperBound = parseInt('1');

if (upperBound >= 0) {

slicesOfContent = slicesOfContent.slice(0, upperBound);

}

// highlight title and content

function highlightKeyword(text, slice) {

var result = '';

var prevEnd = slice.start;

slice.hits.forEach(function (hit) {

result += text.substring(prevEnd, hit.position);

var end = hit.position + hit.length;

result += '<b class="search-keyword">' + text.substring(hit.position, end) + '</b>';

prevEnd = end;

});

result += text.substring(prevEnd, slice.end);

return result;

}

var resultItem = '';

if (slicesOfTitle.length != 0) {

resultItem += "<li><a href='" + articleUrl + "' class='search-result-title'>" + highlightKeyword(title, slicesOfTitle[0]) + "</a>";

} else {

resultItem += "<li><a href='" + articleUrl + "' class='search-result-title'>" + title + "</a>";

}

slicesOfContent.forEach(function (slice) {

resultItem += "<a href='" + articleUrl + "'>" +

"<p class=\"search-result\">" + highlightKeyword(content, slice) +

"...</p>" + "</a>";

});

resultItem += "</li>";

resultItems.push({

item: resultItem,

searchTextCount: searchTextCount,

hitCount: hitCount,

id: resultItems.length

});

}

})

};

if (keywords.length === 1 && keywords[0] === "") {

resultContent.innerHTML = '<div id="no-result"><i class="fa fa-search fa-5x" /></div>'

} else if (resultItems.length === 0) {

resultContent.innerHTML = '<div id="no-result"><i class="fa fa-frown-o fa-5x" /></div>'

} else {

resultItems.sort(function (resultLeft, resultRight) {

if (resultLeft.searchTextCount !== resultRight.searchTextCount) {

return resultRight.searchTextCount - resultLeft.searchTextCount;

} else if (resultLeft.hitCount !== resultRight.hitCount) {

return resultRight.hitCount - resultLeft.hitCount;

} else {

return resultRight.id - resultLeft.id;

}

});

var searchResultList = '<ul class=\"search-result-list\">';

resultItems.forEach(function (result) {

searchResultList += result.item;

})

searchResultList += "</ul>";

resultContent.innerHTML = searchResultList;

}

if ('auto' === 'auto') {

input.addEventListener('input', inputEventFunction);

} else {

$('.search-icon').click(inputEventFunction);

input.addEventListener('keypress', function (event) {

if (event.keyCode === 13) {

inputEventFunction();

}

});

}

// remove loading animation

$(".local-search-pop-overlay").remove();

$('body').css('overflow', '');

proceedsearch();

}

});

}

// handle and trigger popup window;

$('.popup-trigger').click(function(e) {

e.stopPropagation();

if (isfetched === false) {

searchFunc(path, 'local-search-input', 'local-search-result');

} else {

proceedsearch();

};

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