加入下列樣式就可解決
<style>
/*select2在layui的modal中默認被遮蓋,現在強制顯示在最前*/
.select2-drop {
z-index: 1005000 !important;
}
.select2-search-choice-close {
margin-top: 0 !important;
right: 2px !important;
min-height: 10px;
}
.select2-search-choice-close:before {
color: black !important;
}
/*防止select2不會自動失去焦點*/
.select2-container {
z-index: 1600000 !important;
}
.select2-drop-mask {
z-index: 1599000 !important;
}
.select2-drop-active {
z-index: 1599500 !important;
}
</style>