vue实现数据的增删改查

[v-cloak]{display:none}
table{border:1px solid #ccc;padding:0;border-collapse:collapse;table-layout:fixed;margin-top:10px;width:100%}
table td,table th{height:30px;border:1px solid #ccc;background:#fff;font-size:15px;padding:3px 3px 3px 8px}
table th:first-child{width:30px}
.container{width:800px;margin:10px auto 0;font-size:13px;font-family:'Microsoft YaHei'}
.container .search{font-size:15px;padding:4px}
.container .add{padding:5px 15px}
.overlay{position:fixed;top:0;left:0;width:100%;height:100%;z-index:6;background:rgba(0,0,0,.7)}
.overlay td:first-child{width:66px}
.overlay .con{position:absolute;width:420px;min-height:300px;background:#fff;left:50%;top:50%;-webkit-transform:translate3d(-50%,-50%,0);transform:translate3d(-50%,-50%,0);padding:20px}

<div class="container" id="app">
    <div>
        <input type="text" placeholder="search" @input="search" list="cars" class="search" />
        <datalist id="cars">
            <option v-for="item in searchlist" :value="item"></option>
        </datalist>
        <input type="button" class="add" @click="add" value="新增" />
    </div>
    <div>
        <table>
            <tr>
                <th>id</th>
                <th>用户名</th>
                <th>邮箱</th>
                <th>性别</th>
                <th>省份</th>
                <th>爱好</th>
                <th>操作</th>
            </tr>
            <tr v-cloak v-for="(item, index) of slist">
                <td>{{ index + 1 }}</td>
                <td>{{ item.username }}</td>
                <td>{{ item.email }}</td>
                <td>{{ item.sex }}</td>
                <td>{{ item.province }}</td>
                <td>{{ item.hobby.join(' | ') }}</td>
                <td>
                    <a href="javascript:;" @click="showOverlay(index)">修改</a> |
                    <a href="javascript:;" @click="del(index)">删除</a>
                </td>
            </tr>
        </table>
    </div>
    <model :list="selectedlist" :isactive="isActive" v-cloak @change="changeOverlay" @modify="modify"></model>
</div>
javascript代码：

Vue.component('model', {
    props: ['list', 'isactive'],
    template: `<div class="overlay" v-show="isactive">
                <div class="con">
                    <h2 class="title">新增 | 修改</h2>
                    <div class="content">
                        <table>
                            <tr>
                                <td>用户名</td>
                                <td><input type="text" v-model="modifylist.username"></td>
                            </tr>
                            <tr>
                                <td>邮箱</td>
                                <td><input type="text" v-model="modifylist.email"></td>
                            </tr>
                            <tr>
                                <td>性别</td>
                                <td>
                                    <label><input type="radio" name="sex" value="男" v-model="modifylist.sex">男</label>
                                    <label><input type="radio" name="sex" value="女" v-model="modifylist.sex">女</label>
                                    <label><input type="radio" name="sex" value="未知" v-model="modifylist.sex">未知</label>
                                </td>
                            </tr>
                            <tr>
                                <td>省份</td>
                                <td>
                                    <select name="" id="" v-model="modifylist.province">
                                        <option value="北京市">北京市</option>
                                        <option value="河北省">河北省</option>
                                        <option value="河南省">河南省</option>
                                        <option value="重庆市">重庆市</option>
                                        <option value="广东省">广东省</option>
                                        <option value="辽宁省">辽宁省</option>
                                    </select>
                                </td>
                            </tr>
                            <tr>
                                <td>爱好</td>
                                <td>
                                    <label><input type="checkbox" v-model="modifylist.hobby" value="篮球">篮球</label>
                                    <label><input type="checkbox" v-model="modifylist.hobby" value="读书">读书</label>
                                    <label><input type="checkbox" v-model="modifylist.hobby" value="插画">插画</label>
                                    <label><input type="checkbox" v-model="modifylist.hobby" value="编程">编程</label>
                                    <label><input type="checkbox" v-model="modifylist.hobby" value="弹琴">弹琴</label>
                                </td>
                            </tr>
                        </table>
                        <p>
                            <input type="button" @click="changeActive" value="取消">
                            <input type="button" @click="modify" value="保存">
                        </p>
                    </div>
                </div>
            </div>`,
    computed: {
        modifylist() {
            return this.list;
        }
    },
    methods: {
        changeActive() {
            this.$emit('change');
        },
        modify() {
            this.$emit('modify', this.modifylist);
        }
    }
});
var app = new Vue({
    el: '#app',
    data: {
        isActive: false, // 是否显示弹窗
        selected: -1, // 选择了哪条记录
        selectedlist: {}, // 选中的信息
        slist: [],
        searchlist: [],
        list: [
            {
                username: 'aaaaa',
                email: '123@qq.com',
                sex: '男',
                province: '北京市',
                hobby: ['篮球', '读书', '编程']
            },
            {
                username: 'bbbbb',
                email: 'bbbbbbb@163.com',
                sex: '女',
                province: '河北省',
                hobby: ['弹琴', '读书', '插画']
            },
            {
                username: 'aaabb',
                email: 'abababab@qq.com',
                sex: '女',
                province: '重庆市',
                hobby: ['篮球']
            },
            {
                username: 'cccccc',
                email: '123@qq.com',
                sex: '男',
                province: '北京市',
                hobby: ['篮球', '读书', '编程']
            },
            {
                username: 'dddddd',
                email: 'bbbbbbb@163.com',
                sex: '女',
                province: '河北省',
                hobby: ['弹琴', '读书', '插画']
            },
            {
                username: 'eeeee',
                email: 'abababab@qq.com',
                sex: '女',
                province: '重庆市',
                hobby: ['篮球']
            }
        ]
    },
    created() {
        this.setSlist(this.list);
    },
    methods: {
        // 修改数据
        showOverlay(index) {
            this.selected = index;
            this.selectedlist = this.list[index];
            this.changeOverlay();
        },
        // 点击保存按钮
        modify(arr) {
            if (this.selected > -1) {
                Vue.set(this.list, this.selected, arr);
                this.selected = -1;
            } else {
                this.list.push(arr);
            }
            this.setSlist(this.list);
            this.changeOverlay();
        },
        add: function() {
            this.selectedlist = {
                username: '',
                email: '',
                sex: '男',
                province: '北京市',
                hobby: []
            };
            this.selected = -1;
            this.isActive = true;
        },
        // delete list in index location
        del(index) {
            this.list.splice(index, 1);
            this.setSlist(this.list);
        },
        changeOverlay() {
            this.isActive = !this.isActive;
        },
        // 获取需要渲染到页面中的数据
        setSlist(arr) {
            this.slist = JSON.parse(JSON.stringify(arr));
        },
        // 搜索
        search(e) {
            var v = e.target.value,
                self = this;
            self.searchlist = [];
            if (v) {
                var ss = [];
                // 过滤需要的数据
                this.list.forEach(function(item) {
                    if (item.username.indexOf(v) > -1) {
                        if (self.searchlist.indexOf(item.username) == -1) {
                            self.searchlist.push(item.username);
                        }
                        ss.push(item);
                    } else if (item.email.indexOf(v) > -1) {
                        if (self.searchlist.indexOf(item.email) == -1) {
                            self.searchlist.push(item.email);
                        }
                        ss.push(item);
                    }
                });
                this.setSlist(ss); // 将过滤后的数据给了slist
            } else {
                // 没有搜索内容，则展示全部数据
                this.setSlist(this.list);
            }
        }
    },
    watch: {}
});

（详情请看原著（转自）：https://www.xiabingbao.com/vue/2017/07/10/vue-curd.html）

点击链接查看demo【//www.xiabingbao.com/demos/20190304/vue-curd.html】。