From 3a85d31c1039315667f8fa66ce01be06626ed23f Mon Sep 17 00:00:00 2001
From: guoshilong <123456>
Date: Sat, 18 Mar 2023 10:59:40 +0800
Subject: [PATCH] 添加判断防止报错

---
 src/views/modules/function.vue |  134 +++++++++++++++++++++++++++++++++-----------
 1 files changed, 99 insertions(+), 35 deletions(-)

diff --git a/src/views/modules/function.vue b/src/views/modules/function.vue
index 4ebc722..a1343af 100644
--- a/src/views/modules/function.vue
+++ b/src/views/modules/function.vue
@@ -1,6 +1,5 @@
 <template>
   <div>
-    {{ modules.id }}--{{ modules.name }}
     <!--头部按钮-->
     <div class="avue-crud__menu">
       <!-- 头部左侧按钮模块 -->
@@ -11,7 +10,7 @@
       <!-- 头部右侧按钮模块 -->
       <div class="avue-crud__right">
         <div v-if="content.property== 2" class="model-type">
-          <el-radio-group v-model="modelType">
+          <el-radio-group size="small" v-model="modelType">
             <el-radio-button label="管理"></el-radio-button>
             <el-radio-button label="预览"></el-radio-button>
           </el-radio-group>
@@ -20,11 +19,12 @@
     </div>
     <el-row>
       <!--左侧列表-->
-      <el-col :span="6">
+      <el-col :span="5">
         <div class="func">
           <!--列表展示-->
           <div class="list">
-            <el-tree v-if="funList.length >0" :data="funList" :props="defaultProps" node-key="id" @node-click="handleNodeClick">
+            <el-tree v-if="funList.length >0" :data="funList" :props="defaultProps" node-key="id"
+                     @node-click="handleNodeClick">
               <span class="custom-tree-node" slot-scope="{ node, data }">
                 <span>{{ data.name }}</span>
                 <span>
@@ -42,21 +42,27 @@
       <!--占位-->
       <el-col :span="1"></el-col>
       <!--右侧预览-->
-      <el-col :span="17">
+      <el-col :span="18">
         <div class="func-content">
           <!--开始页-->
           <div class="start" v-if="content.property == 1">
-            <img class="start-img" :src="content.fileUrl[0].value">
-            <div class="start-button-group">
-              <el-button disabled size="small" v-for="data in contentFunList" :index="data.id" :key="data.id">
-                {{ data.name }}
-              </el-button>
+            <div class="start" v-if="content.fileUrl.length>0">
+              <img class="start-img" :src="content.fileUrl[0].value">
+              <div class="start-button-group">
+                <el-button disabled type="primary" size="small" v-for="data in contentFunList" :index="data.id" :key="data.id">
+                  {{ data.name }}
+                </el-button>
+              </div>
             </div>
+            <div v-else>
+              <el-empty></el-empty>
+            </div>
+
           </div>
           <!--内容页-->
-          <div style="height: 100%;width: 100%"  v-if="content.property == 2">
+          <div class="ddiv" v-if="content.property == 2">
 
-            <div style="height: 100%;width: 100%"  class="manage" v-if="modelType=='管理'">
+            <div class="manage ddiv" v-if="modelType=='管理'">
               <!--flash-->
               <div v-if="content.type == 1">
                 <avue-form :option="flashOption" v-model="flashForm" @submit="handleSubmitFile"></avue-form>
@@ -73,27 +79,31 @@
               </div>
             </div>
 
-            <div style="height: 100%;width: 100%"  class="view" v-else>
+            <div class="view ddiv" v-if="modelType == '预览'">
               <!--flash-->
-              <div  v-if="content.type == 1">
+              <div v-if="content.type == 1">
 
               </div>
 
               <!--图册-->
-              <div style="height: 100%;width: 100%"  v-if="content.type == 2">
-                <Flipbook class="flipbook" :pages="flipConfig.pages" :startPage="flipConfig.pageNum" v-slot="flipbook" ref="flipbook">
+              <div class="ddiv" v-if="content.type == 2">
+                <FlipBook class="flipbook" :pages="flipConfig.pages" :startPage="flipConfig.pageNum" v-slot="flipbook"
+                          ref="flipbook">
                   <div class="action-bar">
-                    <left-icon class="btn left" :class="{ disabled: !flipbook.canFlipLeft }" @click="flipbook.flipLeft"/>
+                    <left-icon class="btn left" :class="{ disabled: !flipbook.canFlipLeft }"
+                               @click="flipbook.flipLeft"/>
                     <plus-icon class="btn plus" :class="{ disabled: !flipbook.canZoomIn }" @click="flipbook.zoomIn"/>
                     <span class="page-num">Page {{ flipbook.page }} of {{ flipbook.numPages }}</span>
-                    <minus-icon class="btn minus" :class="{ disabled: !flipbook.canZoomOut }" @click="flipbook.zoomOut"/>
-                    <right-icon class="btn right" :class="{ disabled: !flipbook.canFlipRight }" @click="flipbook.flipRight"/>
+                    <minus-icon class="btn minus" :class="{ disabled: !flipbook.canZoomOut }"
+                                @click="flipbook.zoomOut"/>
+                    <right-icon class="btn right" :class="{ disabled: !flipbook.canFlipRight }"
+                                @click="flipbook.flipRight"/>
                   </div>
-                </Flipbook>
+                </FlipBook>
               </div>
 
               <!--视频-->
-              <div style="height: 100%;width: 100%" v-if="content.type == 3">
+              <div class="ddiv" v-if="content.type == 3">
                 <iframe class="view-iframe" :src="iframePath"/>
               </div>
             </div>
@@ -101,7 +111,12 @@
           </div>
           <!--结束页-->
           <div class="end" v-if="content.property == 3">
-            <img class="end-img" :src="content.fileUrl[0].value">
+            <div class="end" v-if="content.fileUrl.length>0">
+              <img class="end-img" :src="content.fileUrl[0].value">
+            </div>
+            <div v-else>
+              <el-empty></el-empty>
+            </div>
           </div>
         </div>
       </el-col>
@@ -121,6 +136,7 @@
 
 <script>
 import {getAll, add, update, remove} from "@/api/modules/function";
+import FlipBook from "flipbook-vue/dist/vue2/flipbook";
 import LeftIcon from 'vue-material-design-icons/ChevronLeftCircle'
 import RightIcon from 'vue-material-design-icons/ChevronRightCircle'
 import PlusIcon from 'vue-material-design-icons/PlusCircle'
@@ -129,7 +145,7 @@
 export default {
   name: "function",
   props: ['modules'],
-  components: {LeftIcon, RightIcon, PlusIcon, MinusIcon},
+  components: {FlipBook,LeftIcon, RightIcon, PlusIcon, MinusIcon},
   data() {
     return {
       //所有功能集合
@@ -228,7 +244,7 @@
             type: 'upload',
             limit: 1,
             drag: true,
-            loadText: '模板上传中,请稍等',
+            loadText: '文件上传中,请稍等',
             accept: 'image/png, image/jpeg',
             propsHttp: {
               res: 'data',
@@ -298,6 +314,7 @@
             type: 'upload',
             span: 24,
             dragFile: true,
+            multiple:true,
             accept: 'image/png, image/jpeg',
             listType: "picture-card",
             propsHttp: {
@@ -355,7 +372,7 @@
         label: 'name'
       },
       content: {},
-      modelType:'管理',
+      modelType: '管理',
 
       flipConfig: {
         pages: [],
@@ -363,7 +380,7 @@
         hasMouse: true,
         pageNum: null,
       },
-      iframePath:"",
+      iframePath: "",
     }
   },
   watch: {
@@ -410,6 +427,29 @@
     },
     handleSubmit(form, done) {
       form.modulesId = this.modules.id
+      //限制只能有一个开始页和结束页
+      if (form.property == 1 || form.property == 3) {
+        let data = this.funList
+        let filterArray = data.filter(e => {
+          return e.property == form.property
+        })
+        if (filterArray.length > 0) {
+
+          if (form.property == 1) {
+            if (form.id != filterArray[0].id){
+              this.$message.warning("开始页已存在")
+              done()
+              return
+            }
+          } else if (form.property == 3) {
+            if (form.id != filterArray[0].id){
+              this.$message.warning("结束页已存在")
+              done()
+              return
+            }
+          }
+        }
+      }
       if (!form.id) {
         add(form).then(() => {
           this.getAllFunc()
@@ -487,13 +527,18 @@
         } else if (data.type == 2) {
           this.imgForm.url = data.fileUrl
           let fileArray = data.fileUrl
-          fileArray.forEach(e => {
-            this.flipConfig.pages.push(e.value)
-          })
+          this.flipConfig.pages = []
+          if (fileArray.length>0){
+            fileArray.forEach(e => {
+              this.flipConfig.pages.push(e.value)
+            })
+          }
         } else if (data.type == 3) {
           this.videoForm.url = data.fileUrl
-          let url = data.fileUrl[0].value
-          this.iframePath = 'http://192.168.0.200:8012/onlinePreview?url=' + encodeURIComponent(Base64.encode(url))
+          if (data.fileUrl.length>0){
+            let url = data.fileUrl[0].value
+            this.iframePath = 'http://192.168.0.200:8012/onlinePreview?url=' + encodeURIComponent(Base64.encode(url))
+          }
         }
       }
     },
@@ -507,6 +552,15 @@
 </script>
 
 <style scoped>
+.ddiv{
+  width: 100%;
+  height: 100%;
+}
+
+.view{
+  background-color: #404040;
+}
+
 .func {
   height: 77vh;
   border: 1px solid;
@@ -539,10 +593,11 @@
 .start-button-group {
   position: relative;
   top: -25%;
-  left: 42%;
+  display: flex;
+  justify-content: center;
 }
 
-.model-type{
+.model-type {
   display: flex;
   justify-content: flex-end;
 }
@@ -555,10 +610,10 @@
 
 .flipbook {
   width: 100%;
-  height: 100vh;
+  height: 100%;
 }
 
-.page-num{
+.page-num {
   color: white;
 }
 
@@ -604,6 +659,15 @@
   margin-left: 10px;
 }
 
+.flipbook .viewport {
+  width: 90vw !important;
+  height: calc(100vh - 800px - 40px) !important;
+}
+
+.flipbook .bounding-box {
+  box-shadow: 0 0 20px #000;
+}
+
 .credit {
   font-size: 12px;
   line-height: 20px;

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