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vue 简单的增删改功能

2024-10-16 14:15:40   216人阅读

刚开始学习vue ，简单的练习了一下，就写了一个简单的dome ，里面包括 增加，删除 ，修改功能 。

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=no">
    <title>Vue增删改功能</title>
    <link rel="stylesheet" href="./bootstrap.min.css">
    <script src="./vue.js"></script>
</head>
<body>
<div class="container" style="margin-top:200px;" id="app">
    <div class="row">
        <div class="col-sm-4">
            <!--<form >-->
            <div class="form-group">
                <label>书籍名称</label>
                <input type="text" class="form-control" placeholder="请输入" v-model="onebook.name">
            </div>
            <div class="form-group">
                <label>数量</label>
                <input type="text" class="form-control" placeholder="请输入" v-model="onebook.number">
            </div>
            <div class="form-group">
                <label>价格</label>
                <input type="text" class="form-control" placeholder="请输入" v-model="onebook.price">
            </div>
            <div class="text-center">
                <button class="btn btn-sm btn-primary" v-if="showaddBtn" v-on:click="addBook">添加书籍</button>
                <button class="btn btn-sm btn-info" v-else v-on:click="modifyBook">编辑书籍</button>
            </div>
            <!--</form>-->
        </div>
        <div class="col-sm-7 col-sm-offset-1">
            <table class="table table-striped">
                <thead>
                <tr>
                    <th>序号</th>
                    <th>书籍名称</th>
                    <th>数量</th>
                    <th>价格</th>
                    <th>操作</th>
                </tr>
                </thead>
                <thead v-for="(book,key) in message">
                <tr>
                    <td>{{key+1}}</td>
                    <td>{{book.name}}</td>
                    <td>{{book.number}}</td>
                    <td>{{book.money}}</td>
                    <td>
                        <button class="btn btn-xs btn-warning" v-on:click="editBook(key)">修改</button>
                        <button class="btn btn-xs btn-danger" v-on:click="delBook(key)">删除</button>
                    </td>
                </tr>
                </thead>
            </table>
        </div>
    </div>
</div>
<script>
    new Vue({
        el: ‘#app‘,
        data: {
            message:[],
            onebook:{id:0},
            showaddBtn:true
        },
        methods:{
            addBook:function () {
                this.onebook.id++;
                this.onebook.money = this.onebook.number * this.onebook.price;
                this.message.push(JSON.parse(JSON.stringify(this.onebook))); //这里必须要实现深拷贝
                this.onebook={id:this.onebook.id};
                console.log(this.message);
            },
            delBook:function (key) {
                this.message.splice(key,1);
            },
            editBook:function (key) {
                this.onebook = JSON.parse(JSON.stringify(this.message[key]));
                this.showaddBtn = false;
            },
            modifyBook:function(){
                $this = this;
                this.message.forEach(function (v,k) {
                    if(v.id == $this.onebook.id){
                        $this.message[k] = JSON.parse(JSON.stringify($this.onebook));
                        $this.onebook={id:$this.onebook.id};
                        $this.showaddBtn = true;
                    }
                });
            }
        }
    });
</script>
</body>
</html>

 

下载地址:https://github.com/a-little-sheep/vue-dome

vue 简单的增删改功能


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