2025-11-11

QC文件预览优化

package-lock.json

@@ -18664,6 +18664,22 @@
       "resolved": "https://registry.npmmirror.com/uuid/-/uuid-3.4.0.tgz",
       "integrity": "sha512-HjSDRw6gZE5JMggctHBcjVak08+KEVhSIiDzFnT9S9aegmp85S/bReBVTb4QTFaRNptJ9kuYaNhnbNEOkbKb/A=="
     },
+    "v-viewer": {
+      "version": "1.6.4",
+      "resolved": "https://registry.npmmirror.com/v-viewer/-/v-viewer-1.6.4.tgz",
+      "integrity": "sha512-LVkiUHpmsbsZXebeNXnu8krRCi5i2n07FeLFxoIVGhw8lVvTBO0ffpbDC6mLEuacCjrIh09HjIqpciwUtWE8lQ==",
+      "requires": {
+        "throttle-debounce": "^2.0.1",
+        "viewerjs": "^1.5.0"
+      },
+      "dependencies": {
+        "throttle-debounce": {
+          "version": "2.3.0",
+          "resolved": "https://registry.npmmirror.com/throttle-debounce/-/throttle-debounce-2.3.0.tgz",
+          "integrity": "sha512-H7oLPV0P7+jgvrk+6mwwwBDmxTaxnu9HMXmloNLXwnNO0ZxZ31Orah2n8lU1eMPvsaowP2CX+USCgyovXfdOFQ=="
+        }
+      }
+    },
     "v8flags": {
       "version": "3.2.0",
       "resolved": "https://registry.npmmirror.com/v8flags/-/v8flags-3.2.0.tgz",
@@ -18715,6 +18731,11 @@
         }
       }
     },
+    "viewerjs": {
+      "version": "1.11.7",
+      "resolved": "https://registry.npmmirror.com/viewerjs/-/viewerjs-1.11.7.tgz",
+      "integrity": "sha512-0JuVqOmL5v1jmEAlG5EBDR3XquxY8DWFQbFMprOXgaBB0F7Q/X9xWdEaQc59D8xzwkdUgXEMSSknTpriq95igg=="
+    },
     "vinyl": {
       "version": "2.2.1",
       "resolved": "https://registry.npmmirror.com/vinyl/-/vinyl-2.2.1.tgz",

package.json

@@ -34,6 +34,8 @@
     "sass-loader": "6.0.6",
     "sortablejs": "^1.15.6",
     "svg-sprite-loader": "3.7.3",
+    "v-viewer": "^1.6.4",
+    "viewerjs": "^1.11.7",
     "vue": "2.6.10",
     "vue-cookie": "1.1.4",
     "vue-i18n": "^8.25.0",

src/main.js

@@ -18,10 +18,13 @@ import decimalUtil from '@/utils/decimalUtil.js'
 import getLodop from '@/utils/LodopFuncs.js'
 import pdf from 'vue-pdf'
 import { debounce,throttle} from '@/utils/common.js'
+import Viewer from 'v-viewer'
+import 'viewerjs/dist/viewer.css'
 
 Vue.component('downloadExcel', JsonExcel)
 Vue.component('pdf', pdf)
 Vue.use(VueCookie)
+Vue.use(Viewer)
 Vue.config.productionTip = false
 
 // 非生产环境, 适配mockjs模拟数据                 // api: https://github.com/nuysoft/Mock
@@ -50,3 +53,10 @@ new Vue({
   template: '<App/>',
   components: { App }
 })
+
+Viewer.setDefaults({
+  // 需要配置的属性 注意属性并没有引号
+  title: false,
+  toolbar: true,
+  zIndex: 99999,
+})

src/views/modules/qc/com_qc_itemImage_upload_file.vue

@@ -16,16 +16,51 @@
         </el-row>
         <el-row>
           <!-- 图像区域 -->
-          <ul class="content-image" v-viewer>
-            <li v-for="(item, index) in descImgs" :key="index" style="float: left;display: inline">
-              <img :src="item.url" style="width:70px;height: 70px"/>
+          <div class="content-image" style="display: flex; flex-wrap: wrap; gap: 10px; min-height: 100px;" @click.stop>
+            <div v-for="(item, index) in descImgs" :key="index" style="position: relative; width: 80px; height: 80px;">
+              <!-- 加载中状态 -->
+              <div v-if="item.loading" style="width: 80px; height: 80px; border: 1px solid #ddd; border-radius: 4px; display: flex; justify-content: center; align-items: center; background: #f5f7fa;">
+                <i class="el-icon-loading" style="font-size: 24px; color: #409EFF;"></i>
+              </div>
+              <!-- 图片显示 -->
+              <div v-else-if="item.blobUrl" @click.stop="previewImage(index)" style="width: 80px; height: 80px; border: 1px solid #67C23A; border-radius: 4px; overflow: hidden; cursor: pointer;">
+                <img :src="item.blobUrl" style="width: 100%; height: 100%; object-fit: cover;">
+              </div>
+              <!-- 加载失败 -->
+              <div v-else style="width: 80px; height: 80px; border: 1px solid #F56C6C; border-radius: 4px; display: flex; justify-content: center; align-items: center; background: #FEF0F0;">
+                <i class="el-icon-picture-outline" style="font-size: 24px; color: #F56C6C;"></i>
+              </div>
               <!-- 删除图标 -->
-              <div class="delete-img">
-                <i class="el-icon-delete" @click="deleteImage(index,item.id)"></i>
+              <div v-if="!item.loading" @click.stop="deleteImage(index,item.id)" style="position: absolute; top: 2px; right: 2px; background: rgba(255,255,255,0.9); border-radius: 3px; padding: 2px; cursor: pointer; box-shadow: 0 0 3px rgba(0,0,0,0.3); z-index: 10;">
+                <i class="el-icon-delete" style="color: #f56c6c; font-size: 16px;"></i>
               </div>
-            </li>
-          </ul>
+            </div>
+            <!-- 空状态提示 -->
+            <div v-if="descImgs.length === 0" style="width: 100%; text-align: center; padding: 20px; color: #909399;">
+              暂无图片
+            </div>
+          </div>
         </el-row>
+        
+        <!-- 图片预览对话框 -->
+        <el-dialog 
+          :visible.sync="previewVisible" 
+          width="80%" 
+          append-to-body 
+          :close-on-click-modal="true" 
+          @open="handlePreviewOpen"
+          @close="handlePreviewClose"
+          :modal-append-to-body="true"
+          custom-class="image-preview-dialog">
+          <div style="text-align: center; background: #000; padding: 20px; min-height: 400px; display: flex; align-items: center; justify-content: center;">
+            <img :src="previewUrl" style="max-width: 100%; max-height: 70vh; display: block; margin: 0 auto;">
+          </div>
+          <div slot="footer" style="text-align: center; padding: 10px;">
+            <el-button @click="prevImage" :disabled="previewIndex <= 0" icon="el-icon-arrow-left">上一张</el-button>
+            <span style="margin: 0 20px; color: #606266;">{{ previewIndex + 1 }} / {{ allBlobUrls.length }}</span>
+            <el-button @click="nextImage" :disabled="previewIndex >= allBlobUrls.length - 1">下一张<i class="el-icon-arrow-right el-icon--right"></i></el-button>
+          </div>
+        </el-dialog>
         <el-row>
           <el-col :span="24">
             <el-upload class="customer-upload" drag multiple :file-list="fileList"
@@ -49,6 +84,7 @@
 
 <script>
 import {uploadEamObjectFile} from '@/api/eam/com_eam_object_upload_file.js';
+import {downLoadObjectFile} from '@/api/eam/eam_object_list.js';
 import {
   searchItemFileUrl, // 查询文件路径
   imageDelete, // 删除图片
@@ -74,9 +110,72 @@ export default {
       },
       dataListLoading: false,
       descImgs: [],
+      previewVisible: false,
+      previewUrl: '',
+      previewIndex: 0,
+    }
+  },
+  computed: {
+    // 所有图片Blob URL数组，供预览使用
+    allBlobUrls() {
+      return this.descImgs.filter(item => item.blobUrl).map(item => item.blobUrl)
     }
   },
   methods: {
+    // 预览图片
+    previewImage(index) {
+      // 找到实际有blobUrl的图片索引
+      const validImages = this.descImgs.filter(item => item.blobUrl)
+      const actualIndex = validImages.findIndex((item, i) => {
+        return this.descImgs[index] === item
+      })
+      
+      if (actualIndex >= 0 && validImages[actualIndex]) {
+        this.previewIndex = actualIndex
+        this.previewUrl = validImages[actualIndex].blobUrl
+        this.previewVisible = true
+      }
+    },
+    
+    // 上一张
+    prevImage() {
+      if (this.previewIndex > 0) {
+        this.previewIndex--
+        this.previewUrl = this.allBlobUrls[this.previewIndex]
+      }
+    },
+    
+    // 下一张
+    nextImage() {
+      if (this.previewIndex < this.allBlobUrls.length - 1) {
+        this.previewIndex++
+        this.previewUrl = this.allBlobUrls[this.previewIndex]
+      }
+    },
+    
+    // 键盘事件处理
+    handleKeydown(e) {
+      if (!this.previewVisible) return
+      
+      if (e.key === 'ArrowLeft' || e.keyCode === 37) {
+        this.prevImage()
+      } else if (e.key === 'ArrowRight' || e.keyCode === 39) {
+        this.nextImage()
+      } else if (e.key === 'Escape' || e.keyCode === 27) {
+        this.previewVisible = false
+      }
+    },
+    
+    // 预览打开时
+    handlePreviewOpen() {
+      document.addEventListener('keydown', this.handleKeydown)
+    },
+    
+    // 预览关闭时
+    handlePreviewClose() {
+      document.removeEventListener('keydown', this.handleKeydown)
+    },
+    
     // 初始化组件的参数
     init (currentRow) {
       // 初始化参数
@@ -84,21 +183,61 @@ export default {
       // 打开页面
       this.visible = true
       this.descImgs = []
+      this.previewVisible = false
       this.searchItemFileUrl()
     },
     // 查询图片列表
     searchItemFileUrl () {
+      // 释放旧的Blob URL
+      this.descImgs.forEach(item => {
+        if (item.blobUrl) {
+          URL.revokeObjectURL(item.blobUrl)
+        }
+      })
+      
       this.descImgs = []
       searchItemFileUrl(this.pageData).then(({data}) => {
         if (data.code === 0) {
-          for (let i = 0; i < data.rows.length; i++) {
-            this.descImgs.push(data.rows[i])
-          }
+          // 先添加原始数据，显示占位符
+          this.descImgs = data.rows.map(item => ({
+            ...item,
+            blobUrl: null,
+            loading: true
+          }))
+          
+          // 逐个下载图片并转换为Blob URL
+          this.descImgs.forEach((item, index) => {
+            this.loadImageAsBlob(item, index)
+          })
         } else {
           this.$message.warning(data.msg)
         }
       })
     },
+    
+    // 下载图片并转换为Blob URL
+    loadImageAsBlob(item, index) {
+      if (!item.id) {
+        console.error('图片没有ID:', item)
+        return
+      }
+      
+      downLoadObjectFile({id: item.id}).then(({data}) => {
+        // 创建Blob对象
+        const blob = new Blob([data], {type: 'image/png'})
+        // 生成本地URL
+        const blobUrl = URL.createObjectURL(blob)
+        
+        // 更新图片URL
+        this.$set(this.descImgs[index], 'blobUrl', blobUrl)
+        this.$set(this.descImgs[index], 'loading', false)
+        
+        console.log('✅ 图片加载成功:', item.url, '-> Blob URL')
+      }).catch(error => {
+        console.error('❌ 图片下载失败:', item.url, error)
+        this.$set(this.descImgs[index], 'loading', false)
+      })
+    },
 
     // 上传之前
     beforeUploadHandle (file) {
@@ -116,6 +255,12 @@ export default {
       this.fileList = []
       // 清空文件上传记录
       this.$refs.uploadFile.clearFiles()
+      // 释放Blob URL，避免内存泄漏
+      this.descImgs.forEach(item => {
+        if (item.blobUrl) {
+          URL.revokeObjectURL(item.blobUrl)
+        }
+      })
       // 刷新报工的页面
       //this.$emit('refreshPageTables2')
       // 关闭当前的页面
@@ -186,8 +331,35 @@ export default {
       //this.$emit('refreshPageTables2')
     }
   },
+  
+  beforeDestroy() {
+    // 组件销毁时清理事件监听
+    document.removeEventListener('keydown', this.handleKeydown)
+    // 释放所有Blob URL
+    this.descImgs.forEach(item => {
+      if (item.blobUrl) {
+        URL.revokeObjectURL(item.blobUrl)
+      }
+    })
+  }
 }
 </script>
 <style scoped lang="scss">
 
 </style>
+<style>
+/* 预览对话框样式 */
+.image-preview-dialog .el-dialog__header {
+  padding: 10px 20px;
+  background: #f5f7fa;
+}
+
+.image-preview-dialog .el-dialog__body {
+  padding: 0;
+}
+
+.image-preview-dialog .el-dialog__footer {
+  padding: 10px 20px;
+  background: #f5f7fa;
+}
+</style>