闵行区牙防所_即墨疫情最新消息_品牌营销活动策划方案_百度seo规则

wxml:

  <view class="bot_fle" wx:for="{{fileList}}" wx:key="index" wx:if="{{file==1}}" ><view style="width: 70%;" wx:if="{{item.fileSuffix != '.jpg' && item.fileSuffix != '.png'&& item.fileSuffix != '.jpeg'}}" bind:tap="tapOpenFile" data-index="{{index}}" data-url="{{item.url}}">{{item.originalName}}</view><view style="width: 200rpx;" wx:if="{{item.fileSuffix == '.jpg' || item.fileSuffix == '.png' || item.fileSuffix == '.jpeg'}}" bind:tap="tapPreviewImage" data-index="{{index}}" data-url="{{item.url}}"><image src="{{item.url}}" mode="widthFix" style="width: 100%;" /></view><view class="botf_ri"><button type="primary" bindtap="downFile" data-index="{{index}}" data-url="{{item.url}}" size="mini">下载</button></view></view>

js文件（点击放大）：

  tapPreviewImage(e) {let url = e.currentTarget.dataset.urlwx.previewImage({urls: [url],current: url})},tapOpenFile(e) {let url = e.currentTarget.dataset.urlwx.downloadFile({url: url,success: function(res) {const filePath = res.tempFilePathwx.openDocument({filePath: filePath,success: function(res) {console.log('打开文档成功')}})}})},

js(下载功能)：

  downFile(e) {var url = e.currentTarget.dataset.url;//下载文件，生成临时地址wx.downloadFile({url: url,success(res) {//保存到本地wx.getFileSystemManager().saveFile({tempFilePath: res.tempFilePath,success: function (res) {const savedFilePath = res.savedFilePath;// 打开文件wx.openDocument({filePath: savedFilePath,success: function (res) {console.log('打开文档成功')},});},fail: function (err) {console.log('保存失败：', err)}});}})},