北京北站,手机制作购物网站,网页升级紧急通知域名自动跳转,东莞制作网站的联系方式微信小程序中pdf的上传、下载及excel导出 pdf上传上传1#xff1a;上传2#xff1a; pdf下载导出excel pdf上传
上传两种方法#xff1a;
上传1#xff1a;
1.用vant weapp组件#xff1a;
//pdf上传--vant weapp组件
view classcontentvan-u… 微信小程序中pdf的上传、下载及excel导出 pdf上传上传1上传2 pdf下载导出excel pdf上传
上传两种方法
上传1
1.用vant weapp组件
//pdf上传--vant weapp组件
view classcontentvan-uploaderfile-list{{ fileList }} bind:after-readafterReadFile acceptfile upload-iconpluspreview-size30pxmax-count1deletable{{deletableFile}}/van-uploader
/view page({data:{fileList:[],//pdf上传}
})afterReadFile: function (e) {let that this;const { file } e.detail;let myId that.data.myId; //console.log(file,1000);wx.uploadFile({url: api.hhh?filefile.urlschedulingIdmyId,//服务器上的pdf地址filePath: file.url,name: file,// formData: { // file: file.url,// schedulingId:myId// },success(res) {// 上传完成需要更新 fileListconst { fileList [] } that.data;fileList.push({ ...file });that.setData({ fileList });},});
},上传2
view classcontent bindtapuploadFileTap上传
/view//pdf上传--原生组件
uploadFileTap:function(e){let that this;let myId that.data.myId; wx.chooseMessageFile({count: 1,type: file,success (res) {// tempFilePath可以作为img标签的src属性显示图片const tempFilePaths res.tempFileswx.uploadFile({url: url,//服务器上的pdf地址 filePath: tempFilePaths[0].path,name: file,formData: {file: tempFilePaths[0].path,schedulingId:myId},success (res){const data res.data//do somethingwx.showToast({title: 数据上传成功,icon: none,duration: 3000})}})}})
},
pdf下载
参考https://blog.csdn.net/weixin_38566069/article/details/110229404
//下载pdf
downloadPDF:function(e){let that this;let myId that.data.myId; wx.showLoading({title: 加载中...,mask: true});//获取pdf地址app.get(api.xxxx, {schedulingId: myId, //}).then(res {if (res.code 200) {wx.hideLoading()let pdfUrlres.data ? (res.data.pdfUrl ? res.data.pdfUrl : null) : nullif(pdfUrl){const fileExtName .pdf;const randfile new Date().getTime() fileExtName;const newPath ${wx.env.USER_DATA_PATH}/${randfile};that.deletContract();//下载wx.downloadFile({url: pdfUrl,filePath: newPath,success: function (res) {const filePath res.tempFilePath;wx.openDocument({filePath: newPath,showMenu: true,fileType: pdf,success: function (res) {}})},fail: function (res) {wx.hideLoading();}})}else{wx.showToast({title: 请先上传pdf数据,icon: none,duration: 3000})}} else {wx.hideLoading()wx.showToast({title: 获取数据失败,icon: none,duration: 3000})}}).catch((err) {wx.hideLoading()wx.showToast({title: err,icon: none,duration: 3000})});
},// 删除本地文件
deletContract() {try {let file wx.getFileSystemManager();file.readdir({dirPath: ${wx.env.USER_DATA_PATH},success: res {console.log(res);if (res.files.length 2) {file.unlink({filePath: ${wx.env.USER_DATA_PATH}/${res.files[0]},complete: res {}})}}})} catch (error) {}
},导出excel
//导出ExceldownloadExcel:function(e){let that this;let myId that.data.myId; wx.showLoading({title: 加载中...,mask: true});app.get(api.xxxExcel, {schedulingId: myId, }).then(res {if (res.code 200) {let excelUrlres.data ? res.data : nullif(excelUrl){let typeexcelUrl.split(.).pop();let fileExtName ;if(type){//空wx.showToast({title: 导入的非Excel文件,icon: none,duration: 3000})return false}else if(typexls){fileExtName.xls}else if(typexlsx){fileExtName.xlsx}const randfile new Date().getTime() fileExtName;const newPath ${wx.env.USER_DATA_PATH}/${randfile};that.deletContract();wx.downloadFile({url: excelUrl,filePath: newPath,success: function (res) {wx.hideLoading()const filePath res.filePath;wx.openDocument({filePath: newPath,showMenu: true,fileType: type,success: function (res) {}})},fail: function (res) {wx.hideLoading();}})}else{wx.showToast({title: 请先上导入Excel数据,icon: none,duration: 3000})}} else {wx.hideLoading()wx.showToast({title: 获取Excel数据失败,icon: none,duration: 3000})}}).catch((err) {wx.hideLoading()wx.showToast({title: err,icon: none,duration: 3000})});},提示突然冒出一个报错wx.chooseMessageFile点击很多次后就突然无效了 昨天上传功能在【微信开发工具和移动端】都可以用早上突然实现了。 查了下是官方给出的解释是 2023年9月15日之前此功能逻辑只对开发版/体验版生效开发者请尽快进行隐私弹窗适配、发版。2023年9月15日之后将对正式版生效详情可见《关于小程序隐私保护指引设置的公告》。
具体见 https://developers.weixin.qq.com/community/develop/doc/0002aa86b6ccb056ff20a04e96bc00?jumptocomment
https://developers.weixin.qq.com/community/develop/doc/00042e3ef54940ce8520e38db61801
