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修复Bug-507：修复生词簿为空时，无法高亮的问题

SPM2022F-CONTRIBUTORS-WuWenZhuo
unknown 2022-12-13 17:18:47 +08:00
parent c45a2178f7
commit 059e311a50
1 changed files with 15 additions and 9 deletions
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24
app/static/js/highlight.js
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@ -22,14 +22,20 @@ function getWord() {
function highLight() { function highLight() {
if (!isHighlight) return; if (!isHighlight) return;
let articleContent = document.getElementById("article").innerText; let articleContent = document.getElementById("article").innerHTML; //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 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 dictionaryWords = document.getElementById("selected-words2"); // words appearing in the user's new words list
let allWords = pickedWords.value + " " + dictionaryWords.value; 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
const list = allWords.split(" "); 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) { for (let i = 0; i < list.length; ++i) {
list[i] = list[i].replace(/(^\s*)|(\s*$)/g, ""); //消除单词两边的空字符 list[i] = list[i].replace(/(^\s*)|(\s*$)/g, ""); //消除单词两边的空字符
if (list[i] !== "" && "<mark>".indexOf(list[i]) === -1 && "</mark>".indexOf(list[i]) === -1) { if (list[i] !== "") {
//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，"\\s"代表单词前后必须要有空格，以防止只对单词中的部分字符高亮的情况出现。 //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，"\\s"代表单词前后必须要有空格，以防止只对单词中的部分字符高亮的情况出现。
articleContent = articleContent.replace(new RegExp("\\s"+list[i]+"\\s", "g"), " <mark>" + list[i] + "</mark> "); articleContent = articleContent.replace(new RegExp("\\s"+list[i]+"\\s", "g"), " <mark>" + list[i] + "</mark> ");
} }
@ -38,15 +44,15 @@ function highLight() {
} }
function cancelHighlighting() { function cancelHighlighting() {
let articleContent = document.getElementById("article").innerText; let articleContent = document.getElementById("article").innerHTML;//将原来的.innerText改为.innerHtml，原因同上
let pickedWords = document.getElementById("selected-words"); let pickedWords = document.getElementById("selected-words");
const dictionaryWords = document.getElementById("selected-words2"); const dictionaryWords = document.getElementById("selected-words2");
const list = pickedWords.value.split(" "); const list = pickedWords.value.split(" ");
if (pickedWords != null) { if (pickedWords != null) {
for (let i = 0; i < list.length; ++i) { for (let i = 0; i < list.length; ++i) {
list[i] = list[i].replace(/(^\s*)|(\s*$)/g, ""); list[i] = list[i].replace(/(^\s*)|(\s*$)/g, "");
if (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("<mark>" + list[i] + "</mark>", "list[i]"); articleContent = articleContent.replace(new RegExp("<mark>"+list[i]+"</mark>", "g"), list[i]);
} }
} }
} }
@ -55,8 +61,8 @@ function cancelHighlighting() {
for (let i = 0; i < list2.length; ++i) { for (let i = 0; i < list2.length; ++i) {
list2 = dictionaryWords.value.split(" "); list2 = dictionaryWords.value.split(" ");
list2[i] = list2[i].replace(/(^\s*)|(\s*$)/g, ""); list2[i] = list2[i].replace(/(^\s*)|(\s*$)/g, "");
if (list2[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("<mark>" + list[i] + "</mark>", "list[i]"); articleContent = articleContent.replace(new RegExp("<mark>"+list2[i]+"</mark>", "g"), list2[i]);
} }
} }
} }