实现定位问题

src/views/index.vue

@@ -28,7 +28,7 @@
       </table>
       <article class="page-content-list" style="margin-top: 55px;">
         <CommonImgTitle></CommonImgTitle>
-        <div class="subject" v-for="(item, index) in gjFirstSubjectModelList" :key="index">
+        <div :id="'subject_' + index" class="subject" v-for="(item, index) in gjFirstSubjectModelList" :key="index">
           <p>{{item.name}}<span v-show="item.titleCode">（{{item.titleCode}}）</span></p>
           <ul class="item-wrapper">
             <li @click="coopDetails(item.secondSubjectModelList[0], 1)" v-if="item.secondSubjectModelList[0].projectId && item.secondSubjectModelList[0].openFlag" class="item">
@@ -104,8 +104,6 @@ export default {
   data() {
     return {
       existBind: 0,
-      currentModelIndex: 2,
-      titleTestModelList: [],
       showLoading: false,
       isWeb: window.__isWeb,
       isAndroid: window.__isAndroid,
@@ -142,7 +140,6 @@ export default {
   
   created() {
     var _this = this;
-    _this.currentModelIndex = 2;
     window.__getUserInfo = function(param) {
       _this.setUserInfo(param);
       _this.token = param.userToken;
@@ -156,7 +153,6 @@ export default {
     }
     window.__refresh = function() {
       _this.isInfresh = true;
-      console.log(_this.currentModelIndex);
       _this.getUserInfo();
     };
 
@@ -169,7 +165,6 @@ export default {
     console.log('zjListOffsetTop, screenHeight', zjListOffsetTop, screenHeight);
     // zjListRef
     // this.listData = [];
-    // this.currentModelIndex = 0;
   },
 
   methods: {
@@ -257,20 +252,16 @@ export default {
         this.showLoading = false;
         if (res.code == "000000") {
           this.existBind = res.data.existBind || 0;
-          this.titleTestModelList = res.data.titleTestModelList || [];
           this.zjFirstSubjectModelList = res.data.titleTestModelList[0].firstSubjectModelList || [];
           this.gjFirstSubjectModelList = res.data.titleTestModelList[2].firstSubjectModelList || [];
           
-          // let len = this.titleTestModelList.length > 0 ? (this.titleTestModelList.length - 1) : 0;
-          // // 如果有绑定的卡，并且之前没有做定位，则进行定位
-          // if (this.existBind && !this.hasResetPosition) {
-          //   this.hasResetPosition = true;
-          //   this.resetPosition(this.titleTestModelList);
-          //   // 否则直接使用当前的位置信息
-          // } else {
-          //   this.listData = res.data.titleTestModelList[len].firstSubjectModelList;
-          //   this.currentModelIndex = len;
-          // }
+          // 如果有绑定的卡，并且之前没有做定位，则进行定位
+          if (this.existBind && !this.hasResetPosition) {
+            this.hasResetPosition = true;
+            let titleTestModelList = res.data.titleTestModelList || [];
+            titleTestModelList.splice(1, 1);
+            this.resetPosition(titleTestModelList);
+          }
         } else {
           this.$toast(res.message);
         }
@@ -279,38 +270,33 @@ export default {
 
     // 查找对应的职称与专业
     resetPosition(list) {
+      console.log('in resetPosition', list);
       if (!list.length) return;
-      let parentIndex = 0,
-        fIndex = 0,
-        subIndex = 0,
+      let fIndex = 0,
         firstSub = [],
         secondSub = [];
       outloop: for (let i = 0; i < list.length; i++) {
         firstSub = list[i].firstSubjectModelList;
         for (let j = 0; j < firstSub.length; j++) {
           secondSub = firstSub[j].secondSubjectModelList;
-          for (let k = 0; k < secondSub.length; k++) {
-            if (secondSub[k].bindCardStatus) {
-              parentIndex = i;
+          if(secondSub.length) {
+            if(secondSub[0].bindCardStatus || secondSub[0].bindDirectoryCardStatus) {
               fIndex = j;
-              subIndex = k;
               break outloop;              
             }
           }
         }
       }
-      this.currentModelIndex = parentIndex;
-      this.listData = this.titleTestModelList[parentIndex].firstSubjectModelList || [];
       this.$forceUpdate();
-      this.resetProjectPosition(fIndex, subIndex);
+      this.resetProjectPosition(fIndex);
     },
 
     // 将定位到的元素，滚动到最上面
-    resetProjectPosition(fIndex, subIndex) {
+    resetProjectPosition(fIndex) {
       this.$nextTick(() => {
         setTimeout(() => {
           let scrollTop = document.getElementById(
-            `subject_${fIndex}_${subIndex}`
+            `subject_${fIndex}`
           ).offsetTop;
           window.scrollTo(0, scrollTop - 120);
         }, 100);