《前端》vue中的butten小練習

 

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title></title>
    <link rel="stylesheet" href="styles/demo.css" />
</head>
<body>
    <div id="app">
        <fieldset>
            <legend>
                Create New Person
            </legend>
            <div class="form-group">
                <label>Name:</label>
                <input type="text" v-model="newPerson.name" />
            </div>
            <div class="form-group">
                <label>Age:</label>
                <input type="text" v-model="newPerson.age" />
            </div>
            <div class="form-group">
                <label>Sex:</label>
                <select v-model="newPerson.sex">
                    <option value="Male">Male</option>
                    <option value="Female">Female</option>
                </select>
            </div>
            <div class="form-group">
                <label></label>
                <button @click="createPerson">Create</button>
            </div>
        </fieldset>
        <table>
            <thead>
                <tr>
                    <th>Name</th>
                    <th>Age</th>
                    <th>Sex</th>
                    <th>Delete</th>
                </tr>
            </thead>
            <tbody>
                <tr v-for="(person, index) in people">
                    <td>{{ person.name }}</td>
                    <td>{{ person.age }}</td>
                    <td>{{ person.sex }}</td>
                    <td :class="'text-center'"><button @click="deletePerson(index)">Delete</button></td>
                </tr>
            </tbody>
        </table>
    </div>
</body>
<script src="https://cdn.jsdelivr.net/npm/vue"></script>
<script>
    var vm = new Vue({
        el: '#app',
        data: {
            newPerson: {
                name: '',
                age: 0,
                sex: 'Male'
            },
            people: [{
                name: 'Jack',
                age: 30,
                sex: 'Male'
            }, {
                name: 'Bill',
                age: 26,
                sex: 'Male'
            }, {
                name: 'Tracy',
                age: 22,
                sex: 'Female'
            }, {
                name: 'Chris',
                age: 36,
                sex: 'Male'
            }]
        },
        methods: {
            createPerson: function() {
                this.people.push(this.newPerson);
                // 添加完newPerson對象後,重置newPerson對象
                this.newPerson = {
                    name: '',
                    age: 0,
                    sex: 'Male'
                }
            },
            deletePerson: function(index) {
                // 刪一個數組元素
                this.people.splice(index, 1);
            }
        }
    })
</script>
</html>

 

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