捷弘和宇乐两个按钮，在点击选中时颜色做区分

点击捷弘按钮，捷弘按钮颜色改变；点击宇乐按钮，宇乐按钮颜色改变，捷弘按钮颜色恢复

如图：

 

 html代码：

<a id="jiehong" class="btn btn-warning" οnclick="createList(yearStr,monthStr,'捷弘')">
    <i class="fa fa-download"></i> 捷弘
</a>
<a id="yule" class="btn btn-warning" οnclick="createList(yearStr,monthStr,'宇乐')">
    <i class="fa fa-download"></i> 宇乐
</a>

function createList(year, month, name) {
    let jiehong = document.getElementById("jiehong");
    let yule = document.getElementById("yule");
    if(name==='捷弘'){
        jiehong.style.backgroundColor="#0000ff";
        yule.style.backgroundColor="#f89406";
    }else if(name==='宇乐'){
        yule.style.backgroundColor="#0000ff";
        jiehong.style.backgroundColor="#f89406";
    }

}