ADD file via upload

3.0 pages index.js

@@ -0,0 +1,76 @@
+Page({
+  data: {
+    fileID: null // 初始化为 null
+  },
+
+  // 选择文件
+  chooseFile: function() {
+    wx.chooseMessageFile({
+      count: 1,
+      type: 'file',
+      success: (res) => {
+        console.log('Selected file:', res.tempFiles[0]);
+        const tempFilePath = res.tempFiles[0].path; // 获取临时文件路径
+
+        // 上传文件到云存储
+        wx.cloud.uploadFile({
+          cloudPath: `files/${res.tempFiles[0].name}`, // 云存储路径
+          filePath: tempFilePath, // 临时文件路径
+          success: (uploadRes) => {
+            console.log('File uploaded successfully:', uploadRes);
+            const fileID = uploadRes.fileID; // 获取上传后的文件ID
+            console.log('fileID:', fileID); // 确认 fileID 的值
+            this.setData({
+              fileID: fileID
+            });
+          },
+          fail: (err) => {
+            console.error('Failed to upload file:', err);
+          }
+        });
+      },
+      fail: (err) => {
+        console.error('Failed to choose file:', err);
+      }
+    });
+  },
+
+  // 导入名单
+  importStudents: function() {
+    const fileID = this.data.fileID;
+
+    if (!fileID) {
+      wx.showToast({
+        title: '请选择文件',
+        icon: 'none'
+      });
+      return;
+    }
+
+    wx.cloud.callFunction({
+      name: 'importstudents',
+      data: {
+        fileID: fileID
+      },
+      success: (res) => {
+        console.log('Import students success:', res.result);
+        wx.showToast({
+          title: '名单导入成功',
+          icon: 'success'
+        });
+
+        // 跳转到点名页面
+        wx.navigateTo({
+          url: '/pages/rollcall/rollcall'
+        });
+      },
+      fail: (err) => {
+        console.error('Import students failed:', err);
+        wx.showToast({
+          title: '名单导入失败',
+          icon: 'none'
+        });
+      }
+    });
+  }
+});