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vue-courseware
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28-综合练习-todolist[2,根据数据渲染页面].html

<!DOCTYPE html>
<html>

<head>
    <meta charset="UTF-8">
    <title></title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <link rel="stylesheet" type="text/css" href="css/reset.css" />
    <link rel="stylesheet" type="text/css" href="css/main.css" />
    <script src="./js/vue.js"></script>
</head>

<body>
    <div id="root">
        <div>
            <header class="header">
                <h1>待办清单</h1>
                <input v-model="newTask" @keyup.enter="send($event)" type="text" class="new-todo" placeholder="type something here" />
            </header>

            <section class="main">
                <input type="checkbox" class="toggle-all" />
                <ul class="todo-list">
                    <!--该li有三种状态
                            class=""的时候为未完成状态
                            class="completed"的时候为已完成状态
                            class="editing"的时候为编辑任务状态
                        -->
                    <my-li v-for="(ele,i) in list" :key="ele.id" :item="ele"></my-li>
                </ul>
            </section>

            <my-footer></my-footer>

        </div>
    </div>
</body>
<script>
    //全局注册一个 组件
    Vue.component("my-li", {
        template: `<li :class="{'completed':item.isComplete}">
                        <div class="view">
                            <input type="checkbox" class="toggle" v-model="item.isComplete" />
                            <label ref="label">{{item.task}}</label>
                            <button class="destroy"></button>
                        </div>
                        <input type="text" class="edit" />
                    </li>`,
        props: ['item']
    })
    Vue.component("my-footer", {
        template: `<footer class="footer">
                <span class="todo-count">
						<strong> 8 </strong>
						<span>item left</span>
                </span>
                <ul class="filters">
                    <li>
                        <a class="selected">All</a>

                    </li>
                    <li>
                        <a class="selected">Active</a>
                    </li>
                    <li>
                        <a>Completed</a>
                    </li>
                </ul>
                <button class="clear-completed">
						clear all completed
					</button>
            </footer>`,
    })
    new Vue({
        el: "#root",
        data: {
            newTask: "", //记录新的发布的任务内容
            list: [{
                id: 1001,
                task: "吃饭",
                isComplete: false,
                isEdit: false
            }, {
                id: 1002,
                task: "学习",
                isComplete: true,
                isEdit: false
            }]
        },
        methods: {
            send(ev) {
                console.log(ev);
                //发布新任务
                if (this.newTask.trim().length == 0) {
                    return false
                }
                let obj = {
                    id: new Date().getTime(),
                    task: this.newTask,
                    isComplete: false,
                    isEdit: false
                }
                this.list.unshift(obj)
                this.newTask = ""
            }
        }
    })
</script>

</html>