模板不是具体的demo，但可以直接拿来去套用的。废话不多说，直接上代码吧，具体参考以下内容，本代码可copy直接使用。

1-css模块

app.css--文件


/********** Global **********/
html, body {
	width:100%;
	height:100%;
	font-family:"microsoft yahei", arial, sans-serif;
	background-color:#0b0f34;
	overflow-x:hidden;
	overflow-y:auto;
}
body {margin:0 auto;min-width:375px;max-width:1920px;}

/********** Layout **********/
.header {position:relative;height:42px;box-sizing:border-box;}
.header-title {
	margin:0;
	padding:0;
	line-height:64px;
	text-align:center;
	font-size:32px;
	font-weight:400;
	color:#e9c29d;
}
.wrapper {
	position:absolute;
	top:36px;
	bottom:10px;
	left:10px;
	right:10px;
	padding:10px 10px 0 10px;
	min-height:500px;
	background:url("../img/wrapper-bg.png") no-repeat;
	background-size:100% 100%;
	box-sizing:border-box;
}
/* PC */
@media (max-width:1919px) {
	.header {height:36px;}
	.header-title {line-height:42px;font-size:22px;}
	.wrapper {top:22px;}
}
/* Mobile */
@media (max-width:1279px) {
	.header-title {max-width:96%;}
	.wrapper {background:none;}
}

/********** Content **********/
.content {
	display:-webkit-flex;
	display:-ms-flexbox;
	display:flex;
	padding:25px 15px;
	height:100%;
	min-height:100%;
	box-sizing:border-box;
}
.col {margin:0 10px;height:100%;}
.col-l {-webkit-flex:2;-ms-flex:2;flex:2}
.col-c {-webkit-flex:3;-ms-flex:3;flex:3;}
.col-r {-webkit-flex:2;-ms-flex:2;flex:2;}
/* PC */
@media (max-width:1919px) {
	.content {padding:5px 0;}
}
/* Mobile */
@media (max-width:1279px) {
	.content {
		-webkit-flex-direction:column;
		-ms-flex-direction:column;
		flex-direction:column;
	}
	.col {margin:5px 0;}
	.col-l, 
	.col-c, 
	.col-r {-webkit-flex:none;-ms-flex:none;flex:none;}
}
.xpanel-wrapper {padding-bottom:10px;box-sizing:border-box;}
.xpanel-wrapper {height:100%;}
.xpanel-wrapper-25 {height:25%;}
.xpanel-wrapper-30 {height:30%;}
.xpanel-wrapper-40 {height:40%;}
.xpanel-wrapper-45 {height:45%;}
.xpanel-wrapper-60 {height:60%;}
.xpanel-wrapper-75 {height:75%;}
.xpanel {
	height:100%;
	min-height:100px;
	background-repeat:no-repeat;
	background-size:100% 100%;
	box-sizing:border-box;
}
.xpanel-l-t {background-image:url("../img/panel-l-t.png");}
.xpanel-l-b {background-image:url("../img/panel-l-b.png");}
.xpanel-c-b {background-image:url("../img/panel-c-b.png");}
.xpanel-r-t {background-image:url("../img/panel-r-t.png");}
.xpanel-r-m {background-image:url("../img/panel-r-m.png");}
.xpanel-r-b {background-image:url("../img/panel-r-b.png");}
.xpanel .title {
	padding-left:24px;
	height:44px;
	line-height:44px;
	font-size:24px;
	font-weight:normal;
	color:#fff;
	background-image:url("../img/title-bg.png");
	background-repeat:no-repeat;
	background-size:100% 100%;
}
.xpanel .title-long {background-image:url("../img/title-bg-long.png");}
/* PC */
@media (max-width:1919px) {
	.xpanel .title {padding-left:20px;height:36px;line-height:36px;font-size:20px;}
}

/* tool */
.fill-h {height:100% !important;min-height:100% !important;}
.no-margin {margin:0 !important;}
.no-padding {padding:0 !important;}
.no-bg {background:none !important;}
.no-border {border:0 !important;}

/* scrollbar */
::-webkit-scrollbar {width:0;height:0;}
::-webkit-scrollbar-track {background-color:transparent;}
::-webkit-scrollbar-thumb {border-radius:5px;background-color:rgba(0, 0, 0, 0.3);}

2-html文件

<!DOCTYPE html>

<html>
  <head>
    <meta charset="utf-8" />
    <meta
      name="viewport"
      content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no"
    />
    <meta http-equiv="X-UA-Compatible" content="IE=edge, chrome=1" />
    <title>大屏数据可视化 - 模板</title>
    <link rel="stylesheet" href="css/app.css" />
  </head>

  <body>
    <div class="header">
      <h1 class="header-title">大屏数据可视化模板</h1>
    </div>
    <div class="wrapper">
      <div class="content">
        <div class="col col-l">
          <div class="xpanel-wrapper xpanel-wrapper-40">
            <div class="xpanel xpanel-l-t">
              <div class="title"></div>
            </div>
          </div>
          <div class="xpanel-wrapper xpanel-wrapper-60">
            <div class="xpanel xpanel-l-b">
              <div class="title"></div>
            </div>
          </div>
        </div>
        <div class="col col-c">
          <div class="xpanel-wrapper xpanel-wrapper-75">
            <div class="xpanel no-bg"></div>
          </div>
          <div class="xpanel-wrapper xpanel-wrapper-25">
            <div class="xpanel xpanel-c-b">
              <div class="title title-long"></div>
            </div>
          </div>
        </div>
        <div class="col col-r">
          <div class="xpanel-wrapper xpanel-wrapper-25">
            <div class="xpanel xpanel-r-t">
              <div class="title"></div>
            </div>
          </div>
          <div class="xpanel-wrapper xpanel-wrapper-30">
            <div class="xpanel xpanel-r-m">
              <div class="title"></div>
            </div>
          </div>
          <div class="xpanel-wrapper xpanel-wrapper-45">
            <div class="xpanel xpanel-r-b">
              <div class="title"></div>
            </div>
          </div>
        </div>
      </div>
    </div>
  </body>
</html>