分屏代码 vue html_vue代码只在副屏有效果

<template>
   <div style="overflow: hidden;">

     <el-row type="flex" :gutter="10" justify="center" v-show="!fullscreen">
      <el-col :span="4">&nbsp;</el-col>
      <el-col :span="16"><div class="grid-content bg-purple"> 
        <el-button-group>
        <el-button :type="classtype1"  @click="selecttype('classtype1',1,24)">单屏</el-button>
        <el-button :type="classtype2"  @click="selecttype('classtype2',4,12)">四分屏</el-button>
        <el-button :type="classtype3"  @click="selecttype('classtype3',9,8)">九分屏</el-button>
        <el-button :type="classtype4"  @click="selecttype('classtype4',16,6)">十六分屏</el-button>
        <el-button > 
           <div class="btn-fullscreen" @click="handleFullScreen">
                    <el-tooltip effect="dark" :content="fullscreen?`取消全屏`:`全屏`" placement="bottom">
                        <i class="el-icon-rank"></i>
                    </el-tooltip>
          </div>
        </el-button>
        </el-button-group>
        </div>
      </el-col>
      <el-col :span="4">&nbsp;</el-col>
    </el-row>
       

    <div class="main">
      <div class="conter">
      <el-row  :gutter="10" >
          <el-col  v-for="(n,index) in fornum" :xs="24" :sm="24" :md="clonum" :lg="clonum" :xl="clonum"  :class="videoclass" :key="index" >
            <div  class="player-wrapper" element-loading-text="加载中..." element-loading-background="#000">
              <div class="video-wrapper" :style="videoclass" :id="`videoid${n}`">
                <div class="video-inner live hide-waiting" style="position: absolute; top: 0px; bottom: 0px; left: 0px; right: 0px;">
                  <div class="alt">
                    <div class="talbetop">
                      <table>
                        <tr>
                          <td>无信号</td>
                        </tr>
                      </table>
                      <div v-show="true" class="selectchannel"  @click="dialogFormVisible=true"> 选择通道</div>
                    </div>
                  </div>
                </div>
              </div>
            </div>
          </el-col>
      </el-row>
      </div>
       <div class="footer"></div>
    </div>


  <el-dialog title="收货地址" :visible.sync="dialogFormVisible">
        这是测试
  <div slot="footer" class="dialog-footer">
    <el-button @click="dialogFormVisible = false">取 消</el-button>
    <el-button type="primary" @click="dialogFormVisible = false">确 定</el-button>
  </div>
</el-dialog> 
   </div>
</template>

<script>
export default {
  data () {
    return {
       fullscreen: false,
       fornum:4,
       clonum:12,
       dialogFormVisible:false,
       videoclass:"padding-bottom: 40.25%; position: relative; margin: 0px auto;",
        classtype1:'',
        classtype2:'primary',
        classtype3:'',
        classtype4:'',
        items:[false,false,false,false]
       
    }
  },
  created(){
            let that = this
            window.onresize = function(){
                if(!that.checkFull()){
         //  alert(that.videoclass)
                    // 退出全屏后要执行的动作
                    console.log("退出全屏")
          that.fullscreen = false;
           //alert(that.fornum)
           for(let n=1;n<=that.fornum;n++){
             //alert('videoid'+n)
            // alert(document.getElementById('videoid'+n))
              document.getElementById('videoid'+n).style = "padding-bottom: 40.25%; position: relative; margin: 0px auto;";
           }
         // that.videoclass="padding-bottom: 43.25%; position: relative; margin: 0px auto; overflow: hidden;",
           //document.getElementById('videoid1').style = "padding-bottom: 42.25%; position: relative; margin: 0px auto; overflow: hidden;";
          // document.getElementById('videoid2').style = "padding-bottom: 42.25%; position: relative; margin: 0px auto; overflow: hidden;";
          // document.getElementById('videoid3').style = "padding-bottom: 42.25%; position: relative; margin: 0px auto; overflow: hidden;";
           //document.getElementById('videoid4').style = "padding-bottom: 42.25%; position: relative; margin: 0px auto; overflow: hidden;";
         // that.tableclass="table-c"
        }
        else{
          for(let n=1;n<=that.fornum;n++){
            // alert('videoid'+n)
            // alert(document.getElementById('videoid'+n))
              document.getElementById('videoid'+n).style = "padding-bottom: 52.25%; position: relative; margin: 0px auto;";
           }
          //document.getElementById('videoid1').style='padding-bottom: 54.25%; position: relative; margin: 0px auto; overflow: hidden;';
          //document.getElementById('videoid2').style='padding-bottom: 54.25%; position: relative; margin: 0px auto; overflow: hidden;';
          //document.getElementById('videoid3').style='padding-bottom: 54.25%; position: relative; margin: 0px auto; overflow: hidden;';
          //document.getElementById('videoid4').style='padding-bottom: 54.25%; position: relative; margin: 0px auto; overflow: hidden;';
       }
      }
    },
  methods:{
     showselect(item1){
      this.items=[];
     // alert(this.items.length)
      for(let i=0;i<this.fornum;i++){
        if(item1==i){
         // alert(item1)
          this.items[i] = true;
        }else{
          this.items[i]=false;
        }
       }
    },
     selecttype(item,fnum,clo) {
     //  alert( this.items[0])
       this.items=[];
      for(let i=0;i<fnum;i++){
        this.items[i]=false;
      }
      this.fornum = fnum;
      this.clonum = clo;

      if(item==='classtype1'){
        this.classtype1='primary'
        this.classtype2=''
        this.classtype3=''
        this.classtype4=''
      }
      else if(item==='classtype2'){
        this.classtype1=''
        this.classtype2='primary'
        this.classtype3=''
        this.classtype4=''
      }
        else if(item==='classtype3'){
        this.classtype1=''
        this.classtype2=''
        this.classtype3='primary'
        this.classtype4=''
      }
      else if(item==='classtype4'){
        this.classtype1=''
        this.classtype2=''
        this.classtype3=''
        this.classtype4='primary'
      }
    },
      checkFull(){
      //判断浏览器是否处于全屏状态 （需要考虑兼容问题）
      //火狐浏览器
      var isFull = document.mozFullScreen||
      document.fullScreen ||
      //谷歌浏览器及Webkit内核浏览器
      document.webkitIsFullScreen ||
      document.webkitRequestFullScreen ||
      document.mozRequestFullScreen ||
      document.msFullscreenEnabled
      if(isFull === undefined) {
          isFull = false
          }
          return isFull;
    },

// 全屏事件
    handleFullScreen(){
        let element = document.documentElement;
        let that=this;
       // alert(this.fullscreen)
        if (this.fullscreen) {
         
            if (document.exitFullscreen) {
                document.exitFullscreen();
            } else if (document.webkitCancelFullScreen) {
                document.webkitCancelFullScreen();
            } else if (document.mozCancelFullScreen) {
                document.mozCancelFullScreen();
            } else if (document.msExitFullscreen) {
                document.msExitFullscreen();
            }
            // alert("ddd")
            //that.videoclass='padding-bottom: 42.25%; position: relative; margin: 0px auto; overflow: hidden;';
        } else {
            if (element.requestFullscreen) {
                element.requestFullscreen();
            } else if (element.webkitRequestFullScreen) {
                element.webkitRequestFullScreen();
            } else if (element.mozRequestFullScreen) {
                element.mozRequestFullScreen();
            } else if (element.msRequestFullscreen) {
                // IE11
                element.msRequestFullscreen();
            }
           // this.videoclass='';
         // this.tableclass='table-c'
           
          //this.tableclass='alt'
         }
        this.fullscreen = !this.fullscreen;       
    }
  }
}
</script>

<style>

 body {
   overflow-x: hidden;
    /* overflow-y: hidden; */   
 }
 .main{
   padding: 10px;
   width: auto;
   height: 100%;
 }
html,body{
  height:100% ;margin:0;
   overflow-x: hidden;
}
.video-wrapper{
  position: relative; top: 0px; bottom: 0px; left: 0px; right: 0px;
}
.alt {
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    background: #000;
    color: #fff;
    text-align: center;
}
.alt table{
  width: 100%;
  height: 100%;
}
.talbetop{
  width: 100%;
  height: 100%;
  position:relative;
}
.selectchannel{
  position:absolute;right:5px;top:5px;
}
.video-close {
    position: absolute;
    top: 5px;
    right: 5px;
    color: #fff;
    font-size: 12px;
    background-color: hsla(0,0%,50%,.5);
    padding: 2px 5px;
    cursor: pointer;
    border-radius: 2px;
    max-width: 120px;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
}


.table-c table{border-right:2px solid #fff;border-bottom:2px solid #fff;} 
.table-c table td{border-left:2px solid #fff;border-top:2px solid #fff} 
/* 
css 注释： 
只对table td设置左与上边框； 
对table设置右与下边框； 
为了便于截图，我们将css 注释说明换行排版 
*/ 
.player-wrapper{
  padding-bottom: 5px;
}
.footer{
  background: #000;
  height: 10%;
}
</style>
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
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289

<!DOCTYPE html>
<html>
<head>
    <meta charset="utf-8" />
    <title></title>
    <script type="text/javascript">
        class UILayout
        {
            static SetScreenNumber(num) {
                UILayout.ScreenNumber = num;
            }
 
            static GetScreenNumber() {
                return UILayout.ScreenNumber;
            }
 
            static SetContainer(id) {
                UILayout.Container = document.getElementById(id);
            }
 
            static GetContainer() {
                return UILayout.Container;
            }
 
            static SetVideoWith(VideoWidth) {
                UILayout.VideoWidth = VideoWidth;
            }
 
            static GetVideoWith() {
                return UILayout.VideoWidth ;
            }
 
            static SetVideoHeight(VideoHeight) {
                UILayout.VideoHeight = VideoHeight;
            }
 
            static GetVideoHeight() {
                return UILayout.VideoHeight  ;
            }
 
            static SetSelectVideoIndex(index) {
                UILayout.SelectVideoIndex = index;  
            }
 
            static GetSelectVideoIndex() {
                return UILayout.SelectVideoIndex;
            }
 
            static Init(id,screenNums)
            {
                UILayout.SetContainer(id);
                UILayout.SetScreenNumber(screenNums);
                UILayout.SetVideoWith(352);
                UILayout.SetVideoHeight(288);
                UILayout.SetSelectVideoIndex(-1);
                UILayout.CreateCanvas();
                UILayout.LayoutScreens(screenNums);
            }
 
            static CreateCanvas() {
                for (var i = 1; i <= 32; i++) {
                    //显示画布
                    var canvas = document.createElement('canvas');
                    canvas.width = UILayout.GetVideoWith();
                    canvas.height = UILayout.GetVideoHeight();
                    canvas.style.border = "1px solid black";
                    canvas.style.cssFloat = "left";
                    this.Container.append(canvas);
 
                    var ctx = canvas.getContext('2d');
                    ctx.fillStyle = "gray";
                    ctx.fillRect(1, 1, canvas.width, canvas.height);
                }
            }
 
            static ContainsScreen(num) {
                var screens = [1, 4, 6, 8, 9, 10,16,24,32];
                for (var i = 0; i < screens.length; i++) {
                    if (screens[i] == num) {
                        return true;
                    }
                }
                return false;
            }
 
            static LayoutScreens(num) {
                if (num == undefined) {
                    console.log("LayoutScreens num is undefined");
                } else if (!UILayout.ContainsScreen(num)) {
                    console.log("LayoutScreens num is not in  [1, 4, 6, 8,9,10,16,24,32]");
                    return;
                } else {
                    this.ScreenNumber = num;
                }
                
                for (var i = 1; i <= this.Container.childElementCount; i++) {
                    var video = this.Container.childNodes.item(i);
                    video.index = i;
                    video.style.margin = "1px";
                    video.parentContainer = this.Container;
                    video.onclick = function () {
                        UILayout.SelectVideoIndex = this.index;
                        alert(UILayout.SelectVideoIndex);
                        for (var i = 1; i <= this.parentContainer.childElementCount; i++) {
                            if (i === UILayout.SelectVideoIndex) {
                                this.style.border = "1px solid #00FF00";
                            } else {
                                this.parentContainer.childNodes.item(i).style.border = "1px solid black";
                            }
                        }
                    };
                    if (this.ScreenNumber < i) {
                        video.style.display = "none";
                    } else {
                        video.style.display = "block";
                    }
                }
 
                var width = parseInt(this.Container.style.width.replace("px", ""));
                var height = parseInt(this.Container.style.height.replace("px", ""));
                var count = 0;
                for (var i = 1; i <= this.Container.childElementCount; i++) {
                    var video = this.Container.childNodes.item(i);
                    if (this.ScreenNumber == 1 && video.index == 1) {
                        video.style.width = (width - 5)+"px";
                        video.style.height = (height-5)+"px";
                        count++;
                    } else if (this.ScreenNumber == 4 && video.index <=4) {
                        video.style.width = (width/2 -5) + "px";
                        video.style.height =(height / 2-5) + "px";
                        count++;
                    } else if (this.ScreenNumber == 6 && video.index <= 6) {
                       if (video.index==1) {
                            video.style.width = (width / 3 *2- 6)  + "px";
                            video.style.height = (height /3 *2 - 5) + "px";
                        } else {
                            video.style.width = (width / 3 - 5)  + "px";
                            video.style.height = (height / 3 - 2) + "px";
                        }
                        if (video.index == 6)
                        {
                            video.style.cssFloat = "right";
                            video.style.marginRight = "3px";
                        }
                        count++;
                    } else if (this.ScreenNumber == 8 && video.index <= 8) {
                         if (video.index==1) {
                            video.style.width = (width / 4 *3- 4)  + "px";
                            video.style.height = (height /4 *3 - 7) + "px";
                        } else {
                            video.style.width = (width / 4 - 5)  + "px";
                            video.style.height = (height / 4 - 3) + "px";
                        }
                        if (video.index == 8)
                        {
                            video.style.cssFloat = "right";
                            video.style.marginRight = "3px";
                        }
                        count++;
                    } else if (this.ScreenNumber == 9 && video.index <= 9) {
                        video.style.width = (width / 3-5) + "px";
                        video.style.height = (height / 3-5) + "px";
                        count++;
                    }else if (this.ScreenNumber == 10 && video.index <= 10) {
                        if (video.index==1) {
                            video.style.width = (width / 5 *4- 5)  + "px";
                            video.style.height = (height /5 *4 - 10) + "px";
                        } else {
                            video.style.width = (width / 5 - 5)  + "px";
                            video.style.height = (height / 5 - 5) + "px";
                        }
                        if (video.index == 10)
                        {
                            video.style.cssFloat = "right";
                            video.style.marginRight = "3px";
                        }
                        count++;
                    }
                    else if (this.ScreenNumber == 16 && video.index <= 16) {
                        video.style.width =( width / 4-5) + "px";
                        video.style.height = (height / 4 - 5) + "px";
                        video.style.cssFloat = "left";
                        video.style.margin = "1px";
                        count++;
                    } else if (this.ScreenNumber == 24 && video.index <= 24) {
                        video.style.width =( width / 6-4) + "px";
                        video.style.height = (height / 4-3) + "px";
                        video.style.cssFloat = "left";
                        video.style.margin = "1px";
                        count++;
                    } else if (this.ScreenNumber == 32 && video.index <= 32) {
                        video.style.width =( width / 8-4) + "px";
                        video.style.height = (height / 4-2) + "px";
                        video.style.cssFloat = "left";
                        video.style.margin = "1px";
                        count++;
                    }
                    if (count == this.ScreenNumber )
                    {
                        break;
                    }
                }
            }
        }
 
        window.onload = function ()
        {
            UILayout.Init("player",9);
        }
 
        function Screens(num)
        {
            UILayout.LayoutScreens(num);
        }
 
    </script>
</head>
<body>
    <label for="cmbScreenNumbers">分屏数量:</label>
    <select id="cmbScreenNumbers" onchange="Screens(this.value)">
        <option value="1">1=1x1</option>
        <option value="4" selected="selected">4=2x2</option>
        <option value="6">6=1+5</option>
        <option value="8">8=1+7</option>
        <option value="9">9=3x3</option>
        <option value="10">10=1+9</option>
        <option value="16">16=4x4</option>
        <option value="24">24=4x6</option>
        <option value="32">32=4x8</option>
    </select>
    <div id="player" style="width:1000px;height:400px;border:1px solid #00ffff">
    </div>
</body>
</html>
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
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234