update: 修改柱状图tooltip

src/modules/teacher/data/exam/components/QuestionType.vue

@@ -25,6 +25,10 @@ export default {
           trigger: 'axis',
           axisPointer: {
             type: 'shadow'
+          },
+          formatter: function(data) {
+            const res = `<div>${data[0].axisValue}</div><div>${data[0].value}%</div>`
+            return res
           }
         },
         grid: {