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Bug507-WuWenZhuo (#70) 

### 修复了生词簿为空时，双击文章单词无法高亮的问题
通过增加一个判断，判断生词簿为空时，不把生词簿的内容进行处理，仅处理选中单词。

### 修复了生词簿为空时，取消高亮后，导致文章格式混乱的问题
原代码中，从数据库提取文章放到网页上时，使用的是.innerText的方法，导致原文章里包含的<br>标签丢失，导致文章格式混乱的问题。

Co-authored-by: unknown <Alcatraz@qq.com>
Co-authored-by: Hui Lan <lanhui@zjnu.edu.cn>
Reviewed-on: http://121.4.94.30:3000/mrlan/EnglishPal/pulls/70
Co-authored-by: 王志豪 <1594799762@qq.com>
Co-committed-by: 王志豪 <1594799762@qq.com>
Lanhui-update-README2 GreaterCold2023
王志豪 2023-01-29 12:48:52 +08:00 committed by mrlan
parent 9cdc9c6f7f
commit e10dbf9d67
2 changed files with 17 additions and 8 deletions
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3
README.md
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@ -191,4 +191,7 @@ Bug report: http://118.25.96.118/bugzilla/show_bug.cgi?id=215
Bug report:http://118.25.96.118/bugzilla/show_bug.cgi?id=489
=======
实验3，添加我的组名：WuWenZhuo
*Last modified on 2021-10-17*

22
app/static/js/highlight.js
View File

@ -22,11 +22,17 @@ function getWord() {
function highLight() {
if (!isHighlight) return;
let articleContent = document.getElementById("article").innerText;
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 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 = pickedWords.value + " " + dictionaryWords.value;
const list = allWords.split(" ");
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
for (let i = 0; i < list.length; ++i) {
list[i] = list[i].replace(/(^\s*)|(\s*$)/g, ""); //消除单词两边的空字符
list[i] = list[i].replace('|', "");
@ -40,15 +46,15 @@ function highLight() {
}
function cancelHighlighting() {
let articleContent = document.getElementById("article").innerText;
let articleContent = document.getElementById("article").innerText;//将原来的.innerText改为.innerHtml，原因同上
let pickedWords = document.getElementById("selected-words");
const dictionaryWords = document.getElementById("selected-words2");
const list = pickedWords.value.split(" ");
if (pickedWords != null) {
for (let i = 0; i < list.length; ++i) {
list[i] = list[i].replace(/(^\s*)|(\s*$)/g, "");
if (list[i] !== "") {
articleContent = articleContent.replace("<mark>" + list[i] + "</mark>", "list[i]");
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]);
}
}
}
@ -57,8 +63,8 @@ function cancelHighlighting() {
for (let i = 0; i < list2.length; ++i) {
list2 = dictionaryWords.value.split(" ");
list2[i] = list2[i].replace(/(^\s*)|(\s*$)/g, "");
if (list2[i] !== "") {
articleContent = articleContent.replace("<mark>" + list[i] + "</mark>", "list[i]");
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]);
}
}
}