app/templates/mainpage_get.html

@@ -31,7 +31,7 @@
             <p><a href="/login">登录</a>  <a href="/signup">注册</a> <a href="/static/usr/instructions.html">使用说明</a></p >
             <p><b> {{ random_ads }}。 <a href="/signup">试试</a>吧！</b></p>
         {% endif %}
-        <div class="alert alert-success" role="alert">共有文章 <span class="badge bg-success"> {{ number_of_essays }} </span> 篇，覆盖 <span class="badge bg-success"> {{ (ratio * 100) | int }}%  </span> 的 Oxford5000 单词</div>
+        <div class="alert alert-success" role="alert">共有文章 <span class="badge bg-success"> {{ number_of_essays }} </span> 篇 &nbsp;&nbsp;&nbsp;&nbsp;其中Oxford单词覆盖率为: <span class="badge bg-success"> {{ (ratio * 100) | int }}%  </span></div>
         <p>粘贴1篇文章 (English only)</p>
         <form method="post" action="/">
             <textarea name="content" id="article" rows="10" cols="120"></textarea><br/>

app/templates/userpage_get.html

@@ -28,11 +28,21 @@
       }
 
         @keyframes shakes {
-          10%, 90% { transform: translate3d(-1px, 0, 0); }
+            10%, 90% {
-          20%, 50% { transform: translate3d(+2px, 0, 0); }
+                transform: translate3d(-1px, 0, 0);
-          30%, 70% { transform: translate3d(-4px, 0, 0); }
+            }
-          40%, 60% { transform: translate3d(+4px, 0, 0); }
+            20%, 50% {
-          50% { transform: translate3d(-4px, 0, 0); }
+                transform: translate3d(+2px, 0, 0);
+            }
+            30%, 70% {
+                transform: translate3d(-4px, 0, 0);
+            }
+            40%, 60% {
+                transform: translate3d(+4px, 0, 0);
+            }
+            50% {
+                transform: translate3d(-4px, 0, 0);
+            }
         }
 
         .lead {
@@ -66,20 +76,28 @@
 
     </p>
     {% for message in get_flashed_messages() %}
-
         <div class="alert alert-warning alert-dismissible fade show" role="alert">
             {{ message }}
             <button type="button" class="btn-close" data-bs-dismiss="alert" aria-label="Close"></button>
         </div>
     {% endfor %}
 
-        <button class="arrow" id="load_next_article" onclick="load_next_article();Reader.stopRead()" title="下一篇 Next Article">⇨</button>
+    <button class="arrow" id="load_next_article" onclick="load_next_article();Reader.stopRead()"
-        <button class="arrow" id="load_pre_article" onclick="load_pre_article();Reader.stopRead()" style="display: none" title="上一篇 Previous Article">⇦</button>
+            title="下一篇 Next Article">⇨
+    </button>
+    <button class="arrow" id="load_pre_article" onclick="load_pre_article();Reader.stopRead()" style="display: none"
+            title="上一篇 Previous Article">⇦
+    </button>
 
     <p><b>阅读文章并回答问题</b></p>
     <div id="text-content">
         <div id="found">
-          <div class="alert alert-success" role="alert">According to your word list, your level is <span class="text-decoration-underline" id="user_level">{{ today_article["user_level"] }}</span>  and we have chosen an article with a difficulty level of <span class="text-decoration-underline" id="text_level">{{ today_article["text_level"] }}</span> for you. The Oxford word coverage is <span class="text-decoration-underline" id="ratio">{{ (today_article["ratio"] * 100) | int }}%.</span></div>
+            <div class="alert alert-success" role="alert">According to your word list, your level is <span
+                    class="text-decoration-underline" id="user_level">{{ today_article["user_level"] }}</span> and we
+                have chosen an article with a difficulty level of <span class="text-decoration-underline"
+                                                                        id="text_level">{{ today_article["text_level"] }}</span>
+                for you.The Oxford word coverage is <span class="text-decoration-underline" id="ratio">{{ (today_article["ratio"] * 100) | int }}%</span>
+            </div>
             <p class="text-muted" id="date">Article added on: {{ today_article["date"] }}</p><br/>
             <div class="p-3 mb-2 bg-light text-dark" style="margin: 0 0.5%;"><br/>
                 <p class="display-6" id="article_title">{{ today_article["article_title"] }}</p><br/>
@@ -89,7 +107,6 @@
                 </div>
 
                 <p><b id="question">{{ today_article['question'] }}</b></p><br/>
-
                 <script type="text/javascript">
                     function toggle_visibility(id) { {# https://css-tricks.com/snippets/javascript/showhide-element/#}
                         const e = document.getElementById(id);
@@ -100,11 +117,13 @@
                     }
                 </script>
                 <button onclick="toggle_visibility('answer');">ANSWER</button>
-                <div id="answer" style="display:none;">{{ today_article['answer'] }}</div><br/>
+                <div id="answer" style="display:none;">{{ today_article['answer'] }}</div>
+                <br/>
             </div>
         </div>
         <div class="alert alert-success" role="alert" id="not_found" style="display:none;">
-            <p class="text-muted"><span class="badge bg-success">Notes:</span><br>No article is currently available for you. You can try again a few times or mark new words in the passage to improve your level.</p>
+            <p class="text-muted"><span class="badge bg-success">Notes:</span><br>No article is currently available for
+                you. You can try again a few times or mark new words in the passage to improve your level.</p>
         </div>
         <div class="alert alert-success" role="alert" id="read_all" style="display:none;">
             <p class="text-muted"><span class="badge bg-success">Notes:</span><br>You've read all the articles.</p>
@@ -114,7 +133,6 @@
     <input type="checkbox" id="highlightCheckbox" onclick="toggleHighlighting()"/>生词高亮
     <input type="checkbox" id="readCheckbox" onclick="onReadClick()"/>大声朗读
     <input type="checkbox" id="chooseCheckbox" onclick="onChooseClick()"/>划词入库
-
     <div class="range">
         <div class="field">
             <div class="sliderValue">
@@ -156,7 +174,8 @@
                 {% if session.get('thisWord') == x[0] and session.get('time') == 1 %}
                 {% endif %}
                 <p id='p_{{ word }}' class="new-word">
-                    <a id="word_{{ word }}"  class="btn btn-light" href='http://youdao.com/w/eng/{{ word }}/#keyfrom=dict2.index'
+                    <a id="word_{{ word }}" class="btn btn-light"
+                       href='http://youdao.com/w/eng/{{ word }}/#keyfrom=dict2.index'
                        role="button">{{ word }}</a>
                     ( <a id="freq_{{ word }}" title="{{ word }}">{{ freq }}</a> )
                     <a class="btn btn-success" onclick="familiar('{{ word }}')" role="button">熟悉</a>
@@ -201,8 +220,7 @@
         elements.chooseCheckbox.checked = settings.chooseChecked;
         elements.rangeComponent.value = settings.rangeValue;
         elements.rangeValueDisplay.textContent = `${settings.rangeValue}x`;
-<!--        elements.selectedWordsInput.value = settings.selectedWords;-->
+        elements.selectedWordsInput.value = settings.selectedWords;
-
 
         // 刷新页面或进入页面时判断，若不是首篇文章，则上一篇按钮可见
         if (sessionStorage.getItem('pre_page_button') !== 'display' && sessionStorage.getItem('pre_page_button')) {
@@ -227,7 +245,6 @@
     }
 
 
-
     function load_next_article() {
         $("#load_next_article").prop("disabled", true)
         $.ajax({
@@ -236,16 +253,16 @@
             success: function (data) {
                 // 更新页面内容
                 if (data['today_article']) {
-                    // answer不可见
-                    const e = document.getElementById('answer');
-                    e.style.display = 'none';
                     update(data['today_article']);
                     check_pre(data['visited_articles']);
                     check_next(data['result_of_generate_article']);
                 }
+            }, complete: function (xhr, status) {
+                $("#load_next_article").prop("disabled", false)
             }
         });
     }
+
     function load_pre_article() {
         $.ajax({
             url: '/get_pre_article/{{username}}',
@@ -253,9 +270,6 @@
             success: function (data) {
                 // 更新页面内容
                 if (data['today_article']) {
-                    // answer不可见
-                    const e = document.getElementById('answer');
-                    e.style.display = 'none';
                     update(data['today_article']);
                     check_pre(data['visited_articles']);
                 }
@@ -274,10 +288,15 @@
         $('#answer').html(today_article["answer"]);
         $('#ratio').html(Math.round(today_article["ratio"] * 100) + '%');
         document.querySelector('#text_level').classList.add('mark'); // highlight text difficult level for 2 seconds
-        setTimeout(() => {document.querySelector('#text_level').classList.remove('mark');}, 2000);
+        setTimeout(() => {
+            document.querySelector('#text_level').classList.remove('mark');
+        }, 2000);
         document.querySelector('#user_level').classList.add('mark'); // do the same thing for user difficulty level
-        setTimeout(() => {document.querySelector('#user_level').classList.remove('mark');}, 2000);
+        setTimeout(() => {
+            document.querySelector('#user_level').classList.remove('mark');
+        }, 2000);
     }
+
     <!-- 检查是否存在上一篇或下一篇，不存在则对应按钮隐藏-->
     function check_pre(visited_articles) {
         if ((visited_articles == '') || (visited_articles['index'] <= 0)) {
@@ -288,9 +307,11 @@
             sessionStorage.setItem('pre_page_button', 'show')
         }
     }
+
     function check_next(result_of_generate_article) {
         if (result_of_generate_article == "found") {
-            $('#found').show();$('#not_found').hide();
+            $('#found').show();
+            $('#not_found').hide();
             $('#read_all').hide();
         } else if (result_of_generate_article == "not found") {
             $('#found').hide();