Vue学习第一天

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>lib</title>
    <link rel="stylesheet" href="./bootstrap/css/bootstrap.css">
    <script src="./bootstrap/js/jquery-3.2.1.js"></script>
    <script src="./bootstrap/js/bootstrap.min.js"></script>
    <script src="./bootstrap/js/vue.min.js"></script>
</head>
<body>
<div id="box" class="container">
    <form role="form">
        <div class="form-group">
            <label for="username">用户名:</label>
            <input v-model="name" type="text" id="username" class="form-control form-group-sm">
        </div>
        <div class="form-group">
            <label for="age">年 龄:</label>
            <input v-model="age" type="number" id="age" class="form-control form-group-sm">
        </div>
        <input type="button" class="btn btn-info btn-group-lg" value="添加" v-on:click="add()">
        <input type="reset" class="btn btn-danger btn-group-lg" value="重置">
    </form>
    <div class="modal fade " id="modal">
        <div class="modal-dialog" role="dialog">
            <div class="modal-content">
                <div class="modal-header">
                    <a class="close" data-dismiss="modal">&times;</a>
                    <h3>确认删除吗?</h3>
                    <div class="text-right">
                        <input type="text" class="btn btn-primary text-right btn-sm" value="取消" data-dismiss="modal">
                        <input type="text" class="btn btn-danger text-right btn-sm" value="删除"
                               v-on:click="deleteMsg()" data-dismiss="modal">
                    </div>
                </div>
            </div>
        </div>
    </div>
    <table role="table" class="table table-bordered table-hover">
        <caption class="text-center h2 text-success">用户信息表</caption>
        <tr>
            <th class="text-center">序号</th>
            <th class="text-center">用户名</th>
            <th class="text-center">年龄</th>
            <th class="text-center">操作</th>
        </tr>
        <tr v-for="(item,index) in myData">
            <td class="text-center">{{index+1}}</td>
            <td class="text-center">{{item.name}}</td>
            <td class="text-center">{{item.age}}</td>
            <td class="text-center">
                <button class="btn btn-primary btn-sm" data-toggle="modal" data-target="#modal"
                        v-on:click="currentIndex(index)">删除
                </button>
            </td>
        </tr>
        <tr v-show="myData.length != 0">
            <td colspan="4" class="text-right">
                <button class="btn btn-danger btn-sm">删除全部</button>
            </td>
        </tr>
        <tr v-show="myData.length == 0">
            <td colspan="4" class="text-primary text-center">暂无数据……</td>
        </tr>
    </table>
</div>
<script>
    window.onload = function () {
        new Vue({
            el: "#box",
            data: {
                myData: [],
                name: "",
                age: "",
                nowIndex: -100
            },
            methods: {
                add: function () {
                    if (this.name.trim()=="" || this.age == "") {
                        return false;
                    } else {
                        this.myData.push({name: this.name, age: this.age});
                        this.name = "";
                        this.age = "";
                    }
                },
                deleteMsg: function () {
                    this.myData.splice(this.nowIndex, 1)
                },
                currentIndex: function (n) {
                    this.nowIndex = n;
                }
            }
        })
    }
</script>
</body>

</html>
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