案例随机

src/views/portal/case/Index.vue

@@ -393,7 +393,7 @@ export default {
         pageSize: 5,
         // orderField: "excellent",
         majorType: '', //专业分类code
-        orderAsc: false,
+        // orderAsc: false,
         // isTop: true,
         excellent: true,
         keyWord: '',
@@ -406,7 +406,11 @@ export default {
         parent: '',
         children: [],
         name: '',
-        years: []
+        years: [],
+        // 随机
+        notInIds: [],//重复的id
+        orderField: "id",
+        orderAsc: false,//排序
       },
       keyWord: "",
       anking: 2,
@@ -487,6 +491,49 @@ export default {
       return !this.speciData.some(item => item.fielclass);
     }
   },
+  created() {
+    (() => {
+      const allArr = [0, 1, 2, 3]
+      let recordsArr = JSON.parse(sessionStorage.getItem("recordsArr")) || [];
+      let arr3 = allArr.filter(item => recordsArr.includes(item))
+      let difference = allArr.filter(element => !arr3.includes(element));
+      if (recordsArr.length === allArr.length) {
+        difference = [...allArr]
+        recordsArr = []
+      }
+      let random = Math.floor(Math.random() * difference.length)
+      difference.forEach((item, index) => {
+        if (index == random) {
+          random = item
+          return
+        }
+      })
+      recordsArr.push(random)
+      sessionStorage.setItem("recordsArr", JSON.stringify(recordsArr))
+      switch (random) {
+        case 1:
+          console.log('hhahahaha1');
+          this.queryCondition.orderField = "id"
+          this.queryCondition.orderAsc = true
+          break;
+        case 2:
+          console.log('hahahhaha2');
+          this.queryCondition.orderField = "title"
+          this.queryCondition.orderAsc = true
+          break;
+        case 3:
+          console.log('hahahhaha3');
+          this.queryCondition.orderField = "title"
+          this.queryCondition.orderAsc = false
+          break;
+        default:
+          console.log('hahahhaha0');
+          this.queryCondition.orderField = "id"
+          this.queryCondition.orderAsc = false
+          break;
+      }
+    })()
+  },
   mounted() {
     let $this = this;
     // if(this.speciData.length==0){