From 1b7cc4b67964bcdbc46f2f8796210c76f2fdeae8 Mon Sep 17 00:00:00 2001
From: jinhhanhan <1683105490@qq.com>
Date: Sat, 22 Aug 2026 13:59:06 +0800
Subject: [PATCH] =?UTF-8?q?chore=EF=BC=9A=E6=89=93=E5=BC=80PDF=E5=8F=B3?=
 =?UTF-8?q?=E8=BE=B9=E6=96=B0=E5=8A=A0=E4=B8=80=E4=B8=AA=E5=88=86=E4=BA=AB?=
 =?UTF-8?q?=E6=8C=89=E9=92=AE?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .local.config.js                         |   6 +-
 pages.json                               |   3 +-
 pages_tool/file-preview/file-preview.vue | 275 ++++++++++++++++++++---
 pages_tool/files/list.vue                | 106 ++++++---
 4 files changed, 317 insertions(+), 73 deletions(-)

diff --git a/.local.config.js b/.local.config.js
index bf73836..3bb695c 100644
--- a/.local.config.js
+++ b/.local.config.js
@@ -185,6 +185,10 @@ const localDevConfig = ({
         domain: 'http://192.168.8.118:8050/',
         // domain: 'http://localhost:8050/',
     },
+	'5g-59': { // 合成孔径雷达，一级分类背景字体颜色
+	    uniacid: 59,
+	    domain: 'https://5g.aigc-quickapp.com/',
+	},
 // })['5g-237']; // 商品分类，没有立即咨询文字
 // })['5g-97']; // 大宗商品贸易，支持自定义字体大小、颜色
 // })['5g-50']; // 燃气安全产品机器人，购物车无反应
@@ -198,7 +202,7 @@ const localDevConfig = ({
 // })['2724']; // 生物菌肥
 // })['2811']; // 选择要使用的环境配置
 // })['local-11']; // 选择要使用的环境配置
-})['2811']; // 本地
+})['5g-59']; // 本地
 // })['local-2']; // 本地
 // })['local-11']; // 本地
 // })['1-test']; // test
diff --git a/pages.json b/pages.json
index 7eddf16..08b73c6 100644
--- a/pages.json
+++ b/pages.json
@@ -2445,7 +2445,8 @@
 				{
 					"path": "file-preview/file-preview",
 					"style": {
-						"navigationBarTitleText": "文件预览"
+						"navigationBarTitleText": "文件预览",
+						"navigationStyle": "custom"
 					}
 				}
 			]
diff --git a/pages_tool/file-preview/file-preview.vue b/pages_tool/file-preview/file-preview.vue
index dfc07fa..287bba8 100644
--- a/pages_tool/file-preview/file-preview.vue
+++ b/pages_tool/file-preview/file-preview.vue
@@ -1,32 +1,59 @@
 <template>
     <view class="file-preview-container" :style="themeColor">
+        <!-- #ifdef MP-WEIXIN -->
+        <!-- 微信小程序：web-view 是原生组件，必须用 cover-view 盖在上面；cover-view 不支持 iconfont，改用 cover-image PNG -->
+        <cover-view class="mp-header">
+            <cover-view class="mp-header-inner">
+                <cover-view class="nav-btn back-btn" @click="goBack">
+                    <cover-image src="/static/img/icon-back.png" class="nav-icon"></cover-image>
+                </cover-view>
+                <cover-view class="header-title">{{ headerTitle }}</cover-view>
+                <button class="nav-btn share-btn" open-type="share" hover-class="none">
+                    <cover-image src="/static/img/icon-share.png" class="nav-icon"></cover-image>
+                </button>
+            </cover-view>
+            <!-- 状态栏占位（navigationStyle custom 时，避免被时间/电量遮挡） -->
+            <cover-view class="mp-status-bar" :style="{ height: statusBarHeight + 'px' }"></cover-view>
+        </cover-view>
+        <!-- #endif -->
+
+        <!-- #ifndef MP-WEIXIN -->
+        <!-- 非小程序：普通 view + iconfont 即可 -->
         <view class="header">
-            <view class="back-btn" @click="goBack">
+            <view class="nav-btn back-btn" @click="goBack">
                 <text class="iconfont icon-back"></text>
             </view>
-            <view class="header-title">{{ fileName }}</view>
-            <view class="placeholder"></view>
+            <view class="header-title">{{ headerTitle }}</view>
+            <button class="nav-btn share-btn" open-type="share" hover-class="none" @click.stop>
+                <text class="iconfont icon-fenxiang"></text>
+            </button>
         </view>
-        
+        <!-- #endif -->
+
+        <!-- #ifdef MP-WEIXIN -->
+        <!-- 微信小程序 web-view 是全屏原生组件，父容器 padding/margin 对它无效，必须在它前面放一个等高的占位 view 把它顶下去 -->
+        <view class="mp-content-spacer" :style="{ height: headerTotalHeightPx + 'px' }"></view>
+        <!-- #endif -->
+
         <view class="content">
             <!-- PDF 文件预览 -->
             <view v-if="fileType === 'pdf'" class="file-viewer">
                 <web-view v-if="fileUrl" :src="fileUrl"></web-view>
                 <view v-else class="error-message">{{ $lang('file-preview.file-preview.fileUrlNotExist') }}</view>
             </view>
-            
+
             <!-- Word 文件预览 -->
             <view v-else-if="fileType === 'word'" class="file-viewer">
                 <web-view v-if="fileUrl" :src="fileUrl"></web-view>
                 <view v-else class="error-message">{{ $lang('file-preview.file-preview.fileUrlNotExist') }}</view>
             </view>
-            
+
             <!-- 视频文件预览 -->
             <view v-else-if="fileType === 'video'" class="video-viewer">
-                <video v-if="fileUrl" :src="fileUrl" controls autoplay class="video-player"></video>
+                <video v-if="fileUrl" id="filePreviewVideo" :src="fileUrl" controls class="video-player"></video>
                 <view v-else class="error-message">{{ $lang('file-preview.file-preview.videoUrlNotExist') }}</view>
             </view>
-            
+
             <!-- 其他文件类型 -->
             <view v-else class="file-viewer">
                 <view class="error-message">{{ $lang('file-preview.file-preview.unsupportedFileType') }}</view>
@@ -41,32 +68,114 @@ export default {
         return {
             fileName: '',
             fileUrl: '',
-            fileType: ''
+            fileType: '',
+            statusBarHeight: 20,
+            windowWidth: 375
         };
     },
+    computed: {
+        // #ifdef MP-WEIXIN
+        // 整个自定义 header 高度（状态栏 + 标题栏 88rpx），单位 px —— 用于占位 view 和内容区下移
+        headerTotalHeightPx() {
+            const rpxToPx = this.windowWidth / 750;
+            return this.statusBarHeight + Math.round(88 * rpxToPx);
+        },
+        // #endif
+        // 页面标题栏显示的短标题（避免超长挤压分享按钮；对用户无意义的tmp名统一显示通用"文件预览"）
+        headerTitle() {
+            const name = (this.fileName || '').trim();
+            // 如果是临时文件名（tmp_ 开头 或 带路径hash的长串），统一显示通用"文件预览"
+            if (/^tmp_/i.test(name) || (name.length > 30 && /[a-f0-9]{20,}/i.test(name))) {
+                return this.$lang('file-preview.file-preview.title');
+            }
+            // 否则显示原始文件名（列表里传入的，如"乐瑞固企业介绍"，本身就短）
+            if (name) {
+                // JS 层保险截断（超过16字 + …），应对 cover-view CSS 省略号不生效
+                if (name.length > 16) return name.slice(0, 16) + '…';
+                return name;
+            }
+            return this.$lang('file-preview.file-preview.title');
+        },
+        // 分享的真实标题（好友收到的卡片显示真实文件名，不截断）
+        shareTitle() {
+            const name = (this.fileName || '').trim();
+            if (name && !/^tmp_/i.test(name)) return name;
+            return this.$lang('file-preview.file-preview.title');
+        },
+        // 分享路径：只带文件三要素，不挂推荐码/关系
+        sharePath() {
+            const query = [];
+            if (this.fileName) query.push(`fileName=${encodeURIComponent(this.fileName)}`);
+            if (this.fileUrl) query.push(`fileUrl=${encodeURIComponent(this.fileUrl)}`);
+            if (this.fileType) query.push(`fileType=${encodeURIComponent(this.fileType)}`);
+            return `/pages_tool/file-preview/file-preview${query.length ? '?' + query.join('&') : ''}`;
+        },
+        themeColor() {
+            if (this.$shop && this.$shop.themeColor) {
+                return `--theme-color: ${this.$shop.themeColor};`;
+            }
+            return '';
+        }
+    },
     onLoad(option) {
         // 解析传递的参数
         if (option.fileName) {
             this.fileName = decodeURIComponent(option.fileName);
         }
-        
         if (option.fileUrl) {
             this.fileUrl = decodeURIComponent(option.fileUrl);
         }
-        
         if (option.fileType) {
             this.fileType = decodeURIComponent(option.fileType);
         } else {
-            // 根据文件名后缀推断文件类型
             this.inferFileType();
         }
+        // #ifdef MP-WEIXIN
+        const sys = uni.getSystemInfoSync();
+        this.statusBarHeight = sys.statusBarHeight || 20;
+        this.windowWidth = sys.windowWidth || 375;
+        // #endif
     },
+    onReady() {
+        // 视频加载后手动触发一次播放占位（去掉 autoplay 防自动播放被系统拦截）
+        // #ifndef H5
+        if (this.fileType === 'video' && this.fileUrl) {
+            try {
+                const ctx = uni.createVideoContext('filePreviewVideo', this);
+                if (ctx && typeof ctx.play === 'function') { /* 留给用户点击，不自动播 */ }
+            } catch (e) {}
+        }
+        // #endif
+    },
+    // #ifdef MP-WEIXIN
+    // 微信小程序：右上角胶囊"分享给朋友" / button[open-type=share] 触发
+    onShareAppMessage() {
+        return {
+            title: this.shareTitle,
+            path: this.sharePath
+        };
+    },
+    // 微信小程序：分享到朋友圈
+    onShareTimeline() {
+        return {
+            title: this.shareTitle,
+            query: this.sharePath.split('?')[1] || ''
+        };
+    },
+    // #endif
     methods: {
-        /**
-         * 根据文件名后缀推断文件类型
-         */
         inferFileType() {
-            if (this.fileName) {
+            if (this.fileUrl) {
+                const clean = String(this.fileUrl).split('?')[0];
+                const ext = clean.split('.').pop().toLowerCase();
+                if (['pdf'].includes(ext)) {
+                    this.fileType = 'pdf';
+                } else if (['doc', 'docx'].includes(ext)) {
+                    this.fileType = 'word';
+                } else if (['mp4', 'avi', 'mov', 'wmv', 'flv', 'mkv'].includes(ext)) {
+                    this.fileType = 'video';
+                }
+            } else if (this.fileName) {
                 const ext = this.fileName.split('.').pop().toLowerCase();
                 if (['pdf'].includes(ext)) {
                     this.fileType = 'pdf';
@@ -77,12 +186,15 @@ export default {
                 }
             }
         },
-        
-        /**
-         * 返回上一页
-         */
         goBack() {
-            uni.navigateBack();
+            const pages = getCurrentPages();
+            if (pages && pages.length > 1) {
+                uni.navigateBack();
+            } else {
+                uni.switchTab({ url: '/pages/index/index' }).catch(() => {
+                    uni.navigateBack();
+                });
+            }
         }
     }
 };
@@ -92,7 +204,10 @@ export default {
 .file-preview-container {
     min-height: 100vh;
     background-color: #f5f5f5;
-    
+    display: flex;
+    flex-direction: column;
+
+    /* =================== 非 MP 端 header =================== */
     .header {
         display: flex;
         align-items: center;
@@ -101,22 +216,34 @@ export default {
         padding: 0 30rpx;
         background-color: #fff;
         box-shadow: 0 2rpx 8rpx rgba(0, 0, 0, 0.1);
-        
-        .back-btn {
+        flex-shrink: 0;
+        z-index: 10;
+
+        .nav-btn {
+            flex-shrink: 0;
             width: 60rpx;
             height: 60rpx;
             display: flex;
             align-items: center;
             justify-content: center;
-            
+            padding: 0;
+            background: transparent;
+            line-height: 1;
+            border: none;
+            margin: 0;
+            &::after { border: none; }
+        }
+
+        .back-btn {
             .icon-back {
-                font-size: 32rpx;
+                font-size: 36rpx;
                 color: #333;
             }
         }
-        
+
         .header-title {
             flex: 1;
+            min-width: 0;
             font-size: 32rpx;
             font-weight: 600;
             color: #333;
@@ -124,17 +251,91 @@ export default {
             overflow: hidden;
             text-overflow: ellipsis;
             white-space: nowrap;
+            margin: 0 20rpx;
         }
-        
-        .placeholder {
-            width: 60rpx;
+
+        .share-btn {
+            .icon-fenxiang {
+                font-size: 34rpx;
+                color: #333;
+            }
         }
     }
-    
+
+    /* =================== MP 端 header (cover-view 浮层) =================== */
+    /* #ifdef MP-WEIXIN */
+    .mp-header {
+        position: fixed;
+        top: 0;
+        left: 0;
+        right: 0;
+        z-index: 9999;
+        background-color: #ffffff;
+        box-shadow: 0 2rpx 8rpx rgba(0, 0, 0, 0.1);
+
+        .mp-status-bar {
+            width: 100%;
+        }
+
+        .mp-header-inner {
+            display: flex;
+            align-items: center;
+            justify-content: space-between;
+            height: 88rpx;
+            padding: 0 20rpx;
+            width: 100%;
+            box-sizing: border-box;
+        }
+
+        .nav-btn {
+            flex-shrink: 0;
+            width: 64rpx;
+            height: 64rpx;
+            display: flex;
+            align-items: center;
+            justify-content: center;
+            padding: 0;
+            background: transparent;
+            line-height: 1;
+            border: none;
+            margin: 0;
+            &::after { border: none; }
+        }
+
+        .nav-icon {
+            width: 40rpx;
+            height: 40rpx;
+            display: block;
+        }
+
+        .header-title {
+            flex: 1;
+            min-width: 0;
+            font-size: 32rpx;
+            font-weight: 600;
+            color: #333;
+            text-align: center;
+            margin: 0 16rpx;
+            /* cover-view 下 ellipsis 支持有限，JS 层（headerTitle computed）已经做了截断，这里再冗余防守 */
+            overflow: hidden;
+            white-space: nowrap;
+            text-overflow: ellipsis;
+        }
+    }
+    /* #endif */
+
+    /* =================== 内容区 =================== */
     .content {
         flex: 1;
-        padding: 20rpx;
-        
+        /* #ifdef MP-WEIXIN */
+        /* 给浮层 header（statusBar+88rpx）留位置，避免内容顶上去 */
+        padding-top: calc(var(--mp-header-h, 120rpx));
+        /* #endif */
+        padding-left: 20rpx;
+        padding-right: 20rpx;
+        padding-bottom: 20rpx;
+        box-sizing: border-box;
+
         .file-viewer {
             width: 100%;
             min-height: 80vh;
@@ -142,7 +343,7 @@ export default {
             border-radius: 12rpx;
             overflow: hidden;
             box-shadow: 0 2rpx 8rpx rgba(0, 0, 0, 0.1);
-            
+
             .error-message {
                 width: 100%;
                 height: 80vh;
@@ -153,7 +354,7 @@ export default {
                 font-size: 28rpx;
             }
         }
-        
+
         .video-viewer {
             width: 100%;
             min-height: 80vh;
@@ -161,12 +362,12 @@ export default {
             border-radius: 12rpx;
             overflow: hidden;
             box-shadow: 0 2rpx 8rpx rgba(0, 0, 0, 0.1);
-            
+
             .video-player {
                 width: 100%;
                 height: 80vh;
             }
-            
+
             .error-message {
                 width: 100%;
                 height: 80vh;
diff --git a/pages_tool/files/list.vue b/pages_tool/files/list.vue
index 89b2fa5..cd10b14 100644
--- a/pages_tool/files/list.vue
+++ b/pages_tool/files/list.vue
@@ -115,41 +115,79 @@ export default {
       })
     },
     toDetail(item) {
-      uni.showLoading({
-        title: this.$lang('files.list.loading')
-      })
-      try {
-        uni.downloadFile({
-          url: item.files_url,
-          success: res => {
-            if (res.statusCode === 200) {
-              uni.openDocument({
-                filePath: res.tempFilePath,
-                success: () => {
-                },
-                fail: () => {
-                },
-                complete: () => {
-                  uni.hideLoading()
-                }
-              })
-            }
-          },
-          fail: () => {
-            uni.hideLoading()
-          },
-          complete: res => {
-            if (res.statusCode === 404) {
-              uni.showToast({
-                title: this.$lang('files.list.fileNotExist'),
-                icon: 'none'
-              })
-            }
-          }
-        })
-      } catch (e) {
-        uni.hideLoading()
+      const title = (item.files_title || '文件').toString().replace(/[\\/:*?"<>|\r\n\t]/g, '_');
+      // 根据 URL 推断后缀（若无扩展名则默认 pdf）
+      let ext = 'pdf';
+      if (item.files_url) {
+        const clean = item.files_url.split('?')[0];
+        const matched = clean.match(/\.([a-zA-Z0-9]+)$/);
+        if (matched) ext = matched[1].toLowerCase();
       }
+      uni.showLoading({ title: this.$lang('files.list.loading'), mask: true });
+      uni.downloadFile({
+        url: item.files_url,
+        success: res => {
+          if (res.statusCode !== 200) {
+            uni.hideLoading();
+            uni.showToast({ title: this.$lang('files.list.fileNotExist'), icon: 'none' });
+            return;
+          }
+          const fs = uni.getFileSystemManager();
+          // 重命名临时文件到用户目录，用短文件名 —— openDocument 的标题会取 filePath 的文件名部分，从而显示短名"乐瑞固企业介绍"而非 tmp_xxx
+          const targetPath = `${wx.env.USER_DATA_PATH}/fs_${Date.now()}_${title}.${ext}`;
+          try {
+            // saveFile：复制临时文件到持久目录并改名（临时文件在某些基础库上禁止直接 rename）
+            fs.saveFile({
+              tempFilePath: res.tempFilePath,
+              filePath: targetPath,
+              success: r => {
+                uni.hideLoading();
+                uni.openDocument({
+                  filePath: r.savedFilePath,
+                  fileType: ext,
+                  showMenu: true,
+                  fail: () => {
+                    uni.showToast({ title: this.$lang('files.list.fileNotExist'), icon: 'none' });
+                  },
+                  complete: () => {
+                    // 预览结束后清理，避免占用持久空间（失败忽略）
+                    try { fs.removeSavedFile({ filePath: r.savedFilePath }); } catch (e) {}
+                  }
+                });
+              },
+              fail: () => {
+                // saveFile 失败（配额等），直接用临时文件 openDocument 兜底
+                uni.hideLoading();
+                uni.openDocument({
+                  filePath: res.tempFilePath,
+                  fileType: ext,
+                  showMenu: true,
+                  fail: () => uni.showToast({ title: this.$lang('files.list.fileNotExist'), icon: 'none' })
+                });
+              }
+            });
+          } catch (e) {
+            // 极端异常兜底
+            uni.hideLoading();
+            uni.openDocument({
+              filePath: res.tempFilePath,
+              fileType: ext,
+              showMenu: true,
+              fail: () => uni.showToast({ title: this.$lang('files.list.fileNotExist'), icon: 'none' })
+            });
+          }
+        },
+        fail: () => {
+          uni.hideLoading();
+          uni.showToast({ title: this.$lang('files.list.fileNotExist'), icon: 'none' });
+        },
+        complete: res => {
+          if (res && res.statusCode === 404) {
+            uni.hideLoading();
+            uni.showToast({ title: this.$lang('files.list.fileNotExist'), icon: 'none' });
+          }
+        }
+      });
     },
     imgError(index) {
       if (this.list[index]) {