数组去匹配index

         <div class="tab-legend-dot" :class="
                  stepMap[item.currentStepName]
                    ? stepMap[item.currentStepName]
                    : 'bg-red'
                "></div>
                
                  let stepMap = {
                    评估: "bg-red",
                    培训: "bg-pink",
                    VR: "bg-blue",
                    回访: "bg-yellow",
                    已完成: "bg-green",
                  };
                  
                  function questionTypeFormate(value) {
                  let map = { 1: "单选题", 2: "判断题" };
                  return map[value.questionType];
                }