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上传文件至 app/static/js

pull/110/head
谢尚海 2024-05-19 18:29:32 +08:00
parent b33d6a77f7
commit eaf57fc54d
1 changed files with 26 additions and 48 deletions
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74
app/static/js/highlight.js
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@ -1,4 +1,4 @@
let isHighlight = true;
let isHighlight = localStorage.getItem('highlightChecked') !== 'false'; // default to true
function cancelBtnHandler() {
cancelHighlighting();
@ -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; // innerHTML保留HTML标签来保持部分格式，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();
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
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;
$('mark').css('padding', 0);
}
function cancelHighlighting() {
let articleContent = document.getElementById("article").innerText;//将原来的.innerText改为.innerHtml，原因同上
let pickedWords = document.getElementById("selected-words");
const dictionaryWords = document.getElementById("selected-words2");
const list = pickedWords.value.split(" ");
if (pickedWords != null) {
for (let i = 0; i < list.length; ++i) {
list[i] = list[i].replace(/(^\s*)|(\s*$)/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]);
}
}
}
let articleContent = document.getElementById("article").innerHTML;
articleContent = articleContent.replace(/<(mark)[^>]*>/gi, "");
articleContent = articleContent.replace(/<(\/mark)[^>]*>/gi, "");
document.getElementById("article").innerHTML = articleContent;
}
@ -97,6 +74,7 @@ function toggleHighlighting() {
isHighlight = true;
highLight();
}
localStorage.setItem('highlightChecked', isHighlight);
}
showBtnHandler();
showBtnHandler();