style:材料预览

@@ -87,33 +87,19 @@ export default {
   },
   methods: {
     prev () {
-      if (this.isFirst) {
-        if (this.previewImg.selectedIndex - 1 >= 0) {
-          this.$parent.previewImg.index = 1
-        }
-        return
-      }
       let len = this.previewImg.imgList.length
+      if (this.isFirst || len == 0) {
+        this.$emit('prevPriview')
+      } else {
         this.$parent.previewImg.index = (this.$parent.previewImg.index - 1 + len) % len
-      this.reset()
+      }
     },
     next () {
-      if (this.isLast) {
-        if (this.previewImg.selectedIndex + 1 < this.previewImg.attachmentList.length) {
-          this.$parent.previewImg.index = 0
-        }
-        return
-      } else {
-        console.log(this.$parent.previewImg.selectedIndex);
-      }
       let len = this.previewImg.imgList.length
+      if (this.isLast || len == 0) {
+        this.$emit('nextPriview')
+      } else {
         this.$parent.previewImg.index = (this.$parent.previewImg.index + 1) % len
-      this.reset()
-    },
-    reset () {
-      this.transform = {
-        scale: 1,
-        degree: 0
       }
     },
     showCurrent (index) {

@@ -19,8 +19,8 @@
           <div class="item">
             材料目录({{tableData.length}})
             <div>
-              <div v-for="item in tableData" :key="item.bsmSj"
-                :class="['child', treeCheckId == item.bsmSj ? 'checked' : '']" @click="treeClick(item)">
+              <div v-for="(item,index) in tableData" :key="item.bsmSj"
+                :class="['child', treeCheckId == item.bsmSj ? 'checked' : '']" @click="treeClick(item,index)">
                 <span v-if="item.isrequired==1" class="required">必选</span>
                 {{ item.sjmc }}
                 <span class="cl_number">({{item.children.length}})</span>
@@ -28,7 +28,8 @@
             </div>
           </div>
         </div>
-        <image-preview ref='imageRef' :previewImg="previewImg" @updateList="updateList" />
+        <image-preview ref='imageRef' :previewImg="previewImg" @updateList="updateList" @nextPriview="nextPriview"
+          @prevPriview="prevPriview" />
       </div>
     </div>
     <clxxAddDialog v-model="isDialog" />
@@ -56,6 +57,7 @@ export default {
       ],
       iclass: "",
       // 材料目录选中
+      treeCheckIndex: 0,
       treeCheckId: "",
       checkedId: "1",
       column: [
@@ -205,6 +207,25 @@ export default {
     this.clmlInitList()
   },
   methods: {
+    // 自动预览
+    nextPriview () {
+      if (this.treeCheckIndex < this.tableData.length) {
+        this.treeCheckIndex++
+        this.treeCheckId = this.tableData[this.treeCheckIndex].bsmSj
+        this.previewImg.index = 0
+        this.previewImg.imgList = this.tableData[this.treeCheckIndex].children
+        this.previewImg.bsmSj = this.tableData[this.treeCheckIndex].bsmSj
+      }
+    },
+    prevPriview () {
+      if (this.treeCheckIndex >= 1) {
+        this.treeCheckIndex--
+        this.treeCheckId = this.tableData[this.treeCheckIndex].bsmSj
+        this.previewImg.index = this.previewImg.imgList.length
+        this.previewImg.imgList = this.tableData[this.treeCheckIndex].children
+        this.previewImg.bsmSj = this.tableData[this.treeCheckIndex].bsmSj
+      }
+    },
     // 材料目录明细初始化
     clmlInitList () {
       return new Promise(resolve => {
@@ -228,6 +249,7 @@ export default {
       })
     },
     updateList (val) {
+      let that = this
       if (val != null) { //删除最后一张图片时 val=null
         this.tableData.forEach(item => {
           if (item.bsmSj === val.bsmSj) {
@@ -240,9 +262,10 @@ export default {
         }
       } else {
         this.previewImg.imgList = []
-        this.tableData.forEach(item => {
+        this.tableData.forEach((item, index) => {
           if (this.treeCheckId == item.bsmSj) {
             item.children = []
+            that.treeCheckIndex = index
           }
         })
       }
@@ -343,9 +366,10 @@ export default {
       })
     },
     // 材料目录点击选中
-    treeClick (item) {
+    treeClick (item, index) {
       this.previewImg.index = 0
-      this.treeCheckId = item.bsmSj
+      this.treeCheckId = item?.bsmSj
+      this.treeCheckIndex = index
       this.previewImg.imgList = item?.children
       this.previewImg.bsmSj = item?.bsmSj
     },
@@ -469,8 +493,9 @@ export default {
             cursor: pointer;
             box-sizing: border-box;
             border-radius: 6px;
-            line-height: 24px;
+            line-height: 20px;
             transition: all 0.3s;
+            padding: 8px 0;
           }
 
           .child:hover {