Initial commit

1 year ago · 7b034c115b
commit 7b034c115b
4 changed files with 175 additions and 0 deletions
--- a/demo.css
+++ b/demo.css
@ -0,0 +1,78 @@
+body {
+    font-family: Arial, sans-serif;
+    margin: 0;
+    padding: 20px;
+    background-color: #f9f9f9;
+  }
+  
+  #app {
+    max-width: 600px;
+    margin: 0 auto;
+    background: #fff;
+    padding: 20px;
+    box-shadow: 0px 2px 5px rgba(0,0,0,0.1);
+    border-radius: 8px;
+  }
+  
+  h1 {
+    text-align: center;
+    margin-bottom: 20px;
+  }
+  
+  .input-container {
+    display: flex;
+    gap: 10px;
+  }
+  
+  input[type="text"] {
+    flex-grow: 1;
+    padding: 10px;
+    border: 1px solid #ddd;
+    border-radius: 4px;
+  }
+  
+  button {
+    background-color: black;
+    color: white;
+    border: none;
+    padding: 10px 15px;
+    border-radius: 4px;
+    cursor: pointer;
+  }
+  
+  button.delete {
+    background-color: red;
+  }
+  
+  button:hover {
+    opacity: 0.8;
+  }
+  
+  .tasks {
+    list-style-type: none;
+    padding: 0;
+  }
+  
+  .tasks li {
+    display: flex;
+    align-items: center;
+    justify-content: space-between;
+    padding: 10px 0;
+    border-bottom: 1px solid #ddd;
+  }
+  
+  .task-actions,
+  .edit-actions {
+    display: flex;
+    gap: 10px;
+  }
+  
+  .completed {
+    text-decoration: line-through;
+    color: gray;
+  }
+  
+  .completed {
+    text-decoration: line-through;
+    color: gray;
+  }
--- a/demo.html
+++ b/demo.html
@ -0,0 +1,50 @@
+<!-- To-do list 实现增删改查功能，前端界面设计 -->
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>To-do List</title>
+    <link rel="stylesheet" href="demo.css">
+</head>
+<body>
+    <div id="app">
+        <h1>To-do List</h1>
+
+        <!-- 添加新任务 -->
+        <p>What needs to be done?</p>
+        <input type="text" v-model="newTask" placeholder="Enter new task">
+        <button class="add" @click="addTask">Add</button>
+        
+        <!-- 任务完成统计 -->
+        <p>{{ completedCount }} out of {{ tasks.length }} items completed</p>  
+        
+        <!-- 编辑和保存任务 -->
+        <ul class="tasks">
+            <li v-for="(task, index) in tasks" :key="index">
+                <!-- edit时样式 -->
+                <template v-if="editingIndex === index">
+                    <p>Edit Name for "{{ task.name }}"</p>
+                    <input type="text" v-model="editingTask">
+                    <div class="edit-actions">
+                        <button @click="cancelEdit">Cancel</button>
+                        <button @click="saveEdit(index)">Save</button>
+                      </div>
+                </template>
+                <!-- 否则 -->
+                <template v-else>
+                    <input type="checkbox" v-model="task.completed">
+                    <span :class="{ completed: task.completed }">{{ task.name }}</span>
+                    <div class="task-actions">
+                        <button @click="editTask(index)">Edit</button>
+                        <button @click="deleteTask(index)" class="delete">Delete</button>
+                        <button v-if="!task.completed" @click="completeTask(index)">Complete task</button>
+                    </div>
+                </template>
+            </li>
+        </ul>
+    </div>
+    <script src="https://unpkg.com/vue@3/dist/vue.global.js"></script>
+    <script src="demo.js"></script>
+</body>
+</html>
--- a/demo.js
+++ b/demo.js
@ -0,0 +1,47 @@
+const { createApp } = Vue;
+createApp({
+    data() {
+      return {
+        newTask: '',
+        tasks:[
+          { name: 'Learn Vue', completed: false },
+          { name: 'Create a Vue project with the CLI', completed: true },
+        ],
+        editingIndex: null,
+        editingTask: '',
+      }
+    },
+    computed: {
+      completedCount() {
+          return this.tasks.filter(task => task.completed === true).length;
+      }
+    },
+    methods: {
+      addTask(){
+        if (this.newTask.trim() !== '') {
+          this.tasks.push({ name: this.newTask, completed: false });
+          this.newTask = '';
+        }
+      },
+      editTask(index) {
+          this.editingIndex = index;
+          this.editingTask = this.tasks[index].name;
+      },
+      cancelEdit() {
+        this.editingIndex = null;
+        this.editingTask = ''; 
+      },
+      saveEdit(index) {
+        if(this.editingTask.trim() !== ''){ 
+          this.tasks[index].name = this.editingTask;
+          this.cancelEdit();
+        }
+      },
+      deleteTask(index) {
+        this.tasks.splice(index, 1);
+      },
+      completeTask(index) {
+          this.tasks[index].completed = true;
+      }
+    }
+}).mount('#app');
--- a/150120.png
+++ b/150120.png