原文链接：https://blog.csdn.net/qq_40735186/article/details/101534391
.el-dialog{
display: flex;
flex-direction: column;
margin:0!important;
position:absolute;
top:50%;
left:50%;
transform:translate(-50%,-50%);
/*height:600px;*/
max-height:calc(100% -30px);
max-width:calc(100% -30px);
}
.el-dialog .el-dialog__body{
flex:1;
overflow: auto;
}
