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			refactor-h
		
	
	| Author | SHA1 | Date | 
|---|---|---|
|  | 616d35a92f | |
|  | 9816596cf8 | |
|  | 682247bff1 | |
|  | b22c654f0f | |
|  | d402bb45cb | |
|  | cdf6180901 | |
|  | 38837c9c2f | |
|  | a0ddf4bdad | |
|  | df64065dcc | |
|  | ce28b91bd5 | |
|  | d6bd24ee1c | |
|  | e9e2bd3d23 | |
|  | 320a99d479 | |
|  | 3eca9234a9 | |
|  | 8924166975 | 
|  | @ -29,3 +29,9 @@ function onReadClick() { | |||
| function onChooseClick() { | ||||
|     isChoose = !isChoose; | ||||
| } | ||||
| 
 | ||||
| // 如果网页刷新,停止播放声音
 | ||||
| // performance.navigation.type 以弃用,改为了performance.getEntriesByType("navigation")[0].type
 | ||||
| if (performance.getEntriesByType("navigation")[0].type == "reload") { | ||||
|     Reader.stopRead(); | ||||
| } | ||||
|  | @ -22,62 +22,39 @@ function getWord() { | |||
| 
 | ||||
| function highLight() { | ||||
|     if (!isHighlight) return; | ||||
|     let articleContent = document.getElementById("article").innerText; //将原来的.innerText改为.innerHtml,使用innerText会把原文章中所包含的<br>标签去除,导致处理后的文章内容失去了原来的格式
 | ||||
|     let articleContent = document.getElementById("article").innerHTML; // 相比innerText,innerHTML保留HTML标签,来保持文章原先的格式,且适配不同的浏览器。
 | ||||
|     let pickedWords = document.getElementById("selected-words");  // words picked to the text area
 | ||||
|     let dictionaryWords = document.getElementById("selected-words2"); // words appearing in the user's new words list
 | ||||
|     let allWords = "";  //初始化allWords的值,避免进入判断后编译器认为allWords未初始化的问题
 | ||||
|     if(dictionaryWords != null){//增加一个判断,检查生词本里面是否为空,如果为空,allWords只添加选中的单词
 | ||||
|         allWords = pickedWords.value + " " + dictionaryWords.value; | ||||
|     } | ||||
|     else{ | ||||
|         allWords = pickedWords.value + " "; | ||||
|     } | ||||
|     const list = allWords.split(" ");//将所有的生词放入一个list中,用于后续处理
 | ||||
|     let allWords = dictionaryWords === null ? pickedWords.value + " " : pickedWords.value + " " + dictionaryWords.value; | ||||
|     const list = allWords.split(" "); // 将所有的生词放入一个list中。
 | ||||
|     let totalSet = new Set(); // 通过集合存储所有单词,通过判断重复单词,以及最后只遍历一次的方法,提高运行效率。
 | ||||
|     for (let i = 0; i < list.length; ++i) { | ||||
|         list[i] = list[i].replace(/(^\s*)|(\s*$)/g, ""); //消除单词两边的空字符
 | ||||
|         list[i] = list[i].replace('|', ""); | ||||
|         list[i] = list[i].replace('?', ""); | ||||
|         if (list[i] !== "" && "<mark>".indexOf(list[i]) === -1 && "</mark>".indexOf(list[i]) === -1) { | ||||
|            //将文章中所有出现该单词word的地方改为:"<mark>" + word + "<mark>"。 正则表达式RegExp()中,"\\b"代表单词边界匹配。
 | ||||
| 
 | ||||
|             //修改代码
 | ||||
|             let articleContent_fb = articleContent;  //文章副本
 | ||||
|             while(articleContent_fb.toLowerCase().indexOf(list[i].toLowerCase()) !== -1 && list[i]!=""){ | ||||
|                 //找到副本中和list[i]匹配的第一个单词(第一种匹配情况),并赋值给list[i]。
 | ||||
|                 const index = articleContent_fb.toLowerCase().indexOf(list[i].toLowerCase()); | ||||
|                 list[i] = articleContent_fb.substring(index, index + list[i].length); | ||||
| 
 | ||||
|                 articleContent_fb = articleContent_fb.substring(index + list[i].length);    // 使用副本中list[i]之后的子串替换掉副本
 | ||||
|                 articleContent = articleContent.replace(new RegExp("\\b"+list[i]+"\\b","g"),"<mark>" + list[i] + "</mark>"); | ||||
|         list[i] = list[i].replace(/(^\W*)|(\W*$)/g, ""); // 消除单词两边的非单词字符。
 | ||||
|         if (list[i] != "" && !totalSet.has(list[i])) { | ||||
|             // 返回所有匹配单词的集合, 正则表达式RegExp()中, "\b"匹配一个单词的边界, g 表示全局匹配, i 表示对大小写不敏感。
 | ||||
|             let matches = new Set(articleContent.match(new RegExp("\\b" + list[i] + "\\b", "gi"))); | ||||
|             if (matches.has("mark")) { | ||||
|                 // 优先处理单词为 "mark" 的情况,防止和标签<mark>产生冲突。
 | ||||
|                 totalSet = new Set(["mark", ...totalSet]); | ||||
|             } | ||||
|             totalSet = new Set([...totalSet, ...matches]); | ||||
|         } | ||||
|     }  | ||||
|     // 删除所有的mark标签,防止标签发生嵌套
 | ||||
|     articleContent = articleContent.replace(/<(mark)[^>]*>/gi, ""); | ||||
|     articleContent = articleContent.replace(/<(\/mark)[^>]*>/gi, ""); | ||||
|     // 将文章中所有出现该单词word的地方改为:"<mark>" + word + "<mark>"。
 | ||||
|     for (let word of totalSet) { | ||||
|         articleContent = articleContent.replace(new RegExp("\\b" + word + "\\b", "g"), "<mark>" + word + "</mark>"); | ||||
|     } | ||||
|     document.getElementById("article").innerHTML = articleContent; | ||||
| } | ||||
| 
 | ||||
| function cancelHighlighting() { | ||||
|     let articleContent = document.getElementById("article").innerText;//将原来的.innerText改为.innerHtml,原因同上
 | ||||
|     let pickedWords = document.getElementById("selected-words"); | ||||
|     const dictionaryWords = document.getElementById("selected-words2");     | ||||
|     const list = pickedWords.value.split(" ");     | ||||
|     if (pickedWords != null) { | ||||
|         for (let i = 0; i < list.length; ++i) { | ||||
|             list[i] = list[i].replace(/(^\s*)|(\s*$)/g, ""); | ||||
|             if (list[i] !== "") { //原来判断的代码中,替换的内容为“list[i]”这个字符串,这明显是错误的,我们需要替换的是list[i]里的内容
 | ||||
|                 articleContent = articleContent.replace(new RegExp("<mark>"+list[i]+"</mark>", "g"), list[i]); | ||||
|             } | ||||
|         } | ||||
|     } | ||||
|     if (dictionaryWords != null) { | ||||
|         let list2 = pickedWords.value.split(" "); | ||||
|         for (let i = 0; i < list2.length; ++i) { | ||||
|             list2 = dictionaryWords.value.split(" "); | ||||
|             list2[i] = list2[i].replace(/(^\s*)|(\s*$)/g, ""); | ||||
|             if (list2[i] !== "") { //原来代码中,替换的内容为“list[i]”这个字符串,这明显是错误的,我们需要替换的是list[i]里的内容
 | ||||
|                 articleContent = articleContent.replace(new RegExp("<mark>"+list2[i]+"</mark>", "g"), list2[i]); | ||||
|             } | ||||
|         } | ||||
|     } | ||||
|     // 通过innerHTML获取文章后,去掉<mark>标签即可实现取消高亮的功能,不需要遍历单词逐个修改。
 | ||||
|     let articleContent = document.getElementById("article").innerHTML; | ||||
|     articleContent = articleContent.replace(/<(mark)[^>]*>/gi, ""); | ||||
|     articleContent = articleContent.replace(/<(\/mark)[^>]*>/gi, ""); | ||||
|     document.getElementById("article").innerHTML = articleContent; | ||||
| } | ||||
| 
 | ||||
|  |  | |||
|  | @ -9,7 +9,7 @@ var Reader = (function() { | |||
|         msg.rate = rate; | ||||
|         msg.lang = "en-US"; | ||||
|         msg.onboundary = ev => { | ||||
|             if (ev.name == "word") { | ||||
|             if (ev.name === "word") { | ||||
|                 current_position = ev.charIndex; | ||||
|             } | ||||
|         } | ||||
|  | @ -32,4 +32,4 @@ var Reader = (function() { | |||
|         read: read, | ||||
|         stopRead: stopRead | ||||
|     }; | ||||
| })(); | ||||
| }) (); | ||||
|  |  | |||
|  | @ -5,15 +5,14 @@ function familiar(theWord) { | |||
|     $.ajax({ | ||||
|         type:"GET", | ||||
|         url:"/" + username + "/" + word + "/familiar", | ||||
|         success:function(response){ | ||||
|         success:function(response) { | ||||
|             let new_freq = freq - 1; | ||||
|             const allow_move = document.getElementById("move_dynamiclly").checked; | ||||
|             if (allow_move) { | ||||
| 
 | ||||
|                 if (new_freq <= 0) { | ||||
|                     removeWord(theWord); | ||||
|                 } else { | ||||
|                     renderWord({ word: theWord, freq: new_freq }); | ||||
|                     renderWord({word: theWord, freq: new_freq}); | ||||
|                 } | ||||
|             } else { | ||||
|                 if(new_freq <1) { | ||||
|  | @ -33,11 +32,11 @@ function unfamiliar(theWord) { | |||
|     $.ajax({ | ||||
|         type:"GET", | ||||
|         url:"/" + username + "/" + word + "/unfamiliar", | ||||
|         success:function(response){ | ||||
|         success:function(response) { | ||||
|             let new_freq = parseInt(freq) + 1; | ||||
|             const allow_move = document.getElementById("move_dynamiclly").checked; | ||||
|             if (allow_move) { | ||||
|                 renderWord({ word: theWord, freq: new_freq }); | ||||
|                 renderWord({word: theWord, freq: new_freq}); | ||||
|             } else { | ||||
|                 $("#freq_" + theWord).text(new_freq); | ||||
|             } | ||||
|  | @ -51,7 +50,7 @@ function delete_word(theWord) { | |||
|     $.ajax({ | ||||
|         type:"GET", | ||||
|         url:"/" + username + "/" + word + "/del", | ||||
|         success:function(response){ | ||||
|         success:function(response) { | ||||
|             const allow_move = document.getElementById("move_dynamiclly").checked; | ||||
|             if (allow_move) { | ||||
|                 removeWord(theWord); | ||||
|  | @ -114,7 +113,7 @@ function removeWord(word) { | |||
|     // 根据词频信息删除元素
 | ||||
|     word = word.replace('&', '&'); | ||||
|     const element_to_remove = document.getElementById(`p_${word}`); | ||||
|     if (element_to_remove != null) { | ||||
|     if (element_to_remove !== null) { | ||||
|         element_to_remove.remove(); | ||||
|     } | ||||
| } | ||||
|  | @ -129,7 +128,7 @@ function renderWord(word) { | |||
|     for (const current of container.children) { | ||||
|         const cur_word = parseWord(current); | ||||
|         // 找到第一个词频比它小的元素,插入到这个元素前面
 | ||||
|         if (compareWord(cur_word, word) == -1) { | ||||
|         if (compareWord(cur_word, word) === -1) { | ||||
|             container.insertBefore(new_element, current); | ||||
|             inserted = true; | ||||
|             break; | ||||
|  | @ -165,17 +164,12 @@ function elementFromString(string) { | |||
|  *  当first大于second时返回1 | ||||
|  */ | ||||
| function compareWord(first, second) { | ||||
|     if (first.freq < second.freq) { | ||||
|         return -1; | ||||
|     // 优化了代码行数
 | ||||
|     if (first.freq !== second.freq) { | ||||
|         return first.freq < second.freq ? -1 : 1; | ||||
|     } | ||||
|     if (first.freq > second.freq) { | ||||
|         return 1; | ||||
|     } | ||||
|     if (first.word < second.word) { | ||||
|         return -1; | ||||
|     } | ||||
|     if (first.word > second.word) { | ||||
|         return 1; | ||||
|     if (first.word !== second.word) { | ||||
|         return first.word < second.word ? -1 : 1; | ||||
|     } | ||||
|     return 0; | ||||
| } | ||||
|  | @ -49,8 +49,8 @@ | |||
| {#        <div class="alert alert-warning" role="alert">Congratulations! {{ message }}</div>#} | ||||
| {#    {% endfor %}#} | ||||
| 
 | ||||
|         <button class="btn btn-success" id="load_next_article" onclick="load_next_article()"> 下一篇 Next Article </button> | ||||
|         <button class="btn btn-success" id="load_pre_article" onclick="load_pre_article()" > 上一篇 Previous Article </button> | ||||
|         <button class="btn btn-success" id="load_next_article" onclick="load_next_article();Reader.stopRead()"> 下一篇 Next Article </button> | ||||
|         <button class="btn btn-success" id="load_pre_article" onclick="load_pre_article();Reader.stopRead()" > 上一篇 Previous Article </button> | ||||
| 
 | ||||
|     <p><b>阅读文章并回答问题</b></p> | ||||
|     <div id="text-content"> | ||||
|  | @ -97,7 +97,7 @@ | |||
|     <p><b>收集生词吧</b> (可以在正文中划词,也可以复制黏贴)</p> | ||||
|     <form method="post" action="/{{ username }}/userpage"> | ||||
|         <textarea name="content" id="selected-words" rows="10" cols="120"></textarea><br/> | ||||
|         <input type="submit" value="把生词加入我的生词库"/> | ||||
|         <input type="submit" value="把生词加入我的生词库" onclick="Reader.stopRead()"/> | ||||
|         <input type="reset" value="清除"/> | ||||
|     </form> | ||||
|     {% if session.get['thisWord'] %} | ||||
|  |  | |||
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