lishifeng
2020-09-15 ce10677f47a14879424e7f562f78442cc03cfda1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
<template>
    <flex-layout class="page-home">
        <page-header slot="header" :class="{'show-drawer': drawer}"></page-header>
        <div class="page-home-content" :class="{'show-drawer': drawer}">
            <div class="tab-menu-left" @click="drawer=true">
                <i class="el-icon-s-operation"></i>
            </div>
            <el-tabs v-model="acTabs" type="border-card"
            @tab-remove="removeTab" 
            class="no-selected full-height add-m-menu flex-layout">
                <el-tab-pane v-for="item in tabs" :key="item.name" 
                :label="item.label" :name="item.name" :closable="item.closable">
                    <iframe :name="item.name" :src="item.src" width="100%" height="100%" frameborder="0" scrolling="no"></iframe>
                </el-tab-pane>
            </el-tabs>
        </div>
        <el-drawer
        title="我是标题"
        :withHeader="false"
        :visible.sync="drawer"
        size="360px"
        direction="ltr">
            <page-menu 
            :ac-tabs="acTabs"
            @select="changeTab"></page-menu>
        </el-drawer>
    </flex-layout>
</template>
 
<script>
import PageHeader from '../components/PageHeader.vue'
import PageMenu from '../components/PageMenu.vue'
import ProgressBar from 'vuejs-progress-bar'
 
import {
    checkUserLogin
} from '../assets//js/api'
 
export default {
    components: {
        PageHeader,
        PageMenu
    },
    data() {
        return {
            acTabs: 'index',
            tabs: [
                {
                    label: '首页',
                    name: 'index',
                    src: '#/index',
                    closable: false,
                },
            ],
            drawer: false,
            timer: '',
        }
    },
    watch: {
        acTabs: {
            handler(name) {  // 监测tab激活的位置
                // 存储激活的sessionStorage
                sessionStorage.setItem('acTabs', name);
            },
            immediate: true,
        }
    },
    methods: {
        removeTab(targetName) {
            let tabs = this.tabs;
            let activeName = this.acTabs;
 
            if (activeName === targetName) {
                tabs.forEach((tab, index) => {
                    if (tab.name === targetName) {
                        let nextTab = tabs[index + 1] || tabs[index - 1];
                        if (nextTab) {
                            activeName = nextTab.name;
                        }
                    }
                });
            }
 
            this.acTabs = activeName;
            this.tabs = tabs.filter(tab => tab.name !== targetName);
        },
        changeTab(menu) {
            let tabs = this.tabs;
            // 检测name是否已经存在tabs内
            let notIn = true;
            tabs.forEach(item=>{
                if(item.name == menu.name) {
                    notIn = false;
                }
            });
            // 不在, 添加menu到tabs中
            if(notIn) {
                tabs.push(menu);
            }
 
            // 设置激活的导航
            this.acTabs = menu.name;
        },
        // 处理从子iframe中获取到的指令
        handleMessage(msg) {
            switch(msg.cmd) {
                // 同步页面的指令
                case 'syncPage':
                    this.syncPage(msg.params);
                break;
            }
        },
        // 同步页面
        syncPage(params) {
            let tabs = this.tabs;
            let menu = params.pageInfo;
            // 检测name是否已经存在tabs内
            let notIn = true;
            let index = -1;
            tabs.forEach((item, flag)=>{
                // 页面是否已经打开
                if(item.name == menu.name) {
                    notIn = false;
                    index = flag;
                }
            });
            // 不在, 添加menu到tabs中
            if(notIn) {
                tabs.push(menu);
            }else {        // 页面已存在,并刷新页面
                tabs.splice(index, 1);
                this.$nextTick(()=>{
                    tabs.splice(index, 0, menu);
                });
            }
 
            // 设置激活的导航
            this.acTabs = menu.name;
        },
    },
    mounted() {
        window.addEventListener('message', (msg)=>{
            // 处理数据
            this.handleMessage(msg.data);
        });
    }
}
</script>
 
<style scoped lang="less">
.flex-layout {
    display: flex;
    height: 100%;
    box-sizing: border-box;
}
.page-home-content {
    position: relative;
    height: 100%;
}
.el-science-blue .tab-menu-left {
    position: absolute;
    box-sizing: border-box;
    width: 48px;
    height: 40px;
    line-height: 40px;
    text-align: center;
    z-index: 1;
}
.no-selected {
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
}
.show-drawer {
    transform: translateX(360px);
}
</style>