//彈出資訊  th傳的是this
function alertMessage(th,action,a){
    var msg,type;
    switch(a){
        case '1':
            type='success';
            msg = action+'成功';
            break;
        case '2':
            type='warning';
            msg = action;
            break;
        case '3':
            type
 
='info';
            msg = '取消'+action;
            break;
        case '4':
            type='error';
            msg = action+'失敗';
            break;
        default:
            break;
    }
    th.$message({
        message: msg,
        type: type,
    });
}

//彈出資訊
            alertMessage(th,action,msg){
                
 
this.$message({
                    message: msg,
                    type: action,
                });
            },
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原文連結：https://blog.csdn.net/qq_41488724/java/article/details/87935456

this.$message.warning("領取截止時間不能小於結束日期");