445 lines
13 KiB
Go
445 lines
13 KiB
Go
package bbxt
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import (
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"bytes"
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"fmt"
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"io"
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"mime/multipart"
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"net/http"
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"os"
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"path/filepath"
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"reflect"
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"sort"
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"strings"
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"github.com/go-kratos/kratos/v2/log"
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"github.com/shopspring/decimal"
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"github.com/xuri/excelize/v2"
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)
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// 最简单的通用函数
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func (b *BbxtTools) SimpleFillExcel(templatePath, outputPath string, dataSlice interface{}) error {
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// 1. 打开模板
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f, err := excelize.OpenFile(templatePath)
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if err != nil {
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return err
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}
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defer f.Close()
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sheet := f.GetSheetName(0)
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// 1.1 获取第二行模板样式
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resellerTplRow := 2
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styleIDReseller, err := f.GetCellStyle(sheet, fmt.Sprintf("A%d", resellerTplRow))
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if err != nil {
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log.Errorf("获取分销商总计样式失败: %v", err)
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styleIDReseller = 0
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}
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// 1.2 获取分销商总计行高
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rowHeightReseller, err := f.GetRowHeight(sheet, resellerTplRow)
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if err != nil {
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log.Errorf("获取分销商总计行高失败: %v", err)
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rowHeightReseller = 31 // 默认高度
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}
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// 2. 反射获取切片数据
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v := reflect.ValueOf(dataSlice)
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if v.Kind() != reflect.Slice {
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return fmt.Errorf("dataSlice must be a slice")
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}
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// 3. 从第2行开始填充
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row := 2
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for i := 0; i < v.Len(); i++ {
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item := v.Index(i).Interface()
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currentRow := row + i
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// 4. 将item转换为一行数据
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var rowData []interface{}
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// 如果是切片
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if reflect.TypeOf(item).Kind() == reflect.Slice {
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itemV := reflect.ValueOf(item)
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for j := 0; j < itemV.Len(); j++ {
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rowData = append(rowData, itemV.Index(j).Interface())
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}
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} else if reflect.TypeOf(item).Kind() == reflect.Struct {
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itemV := reflect.ValueOf(item)
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for j := 0; j < itemV.NumField(); j++ {
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if itemV.Field(j).CanInterface() {
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rowData = append(rowData, itemV.Field(j).Interface())
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}
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}
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} else {
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rowData = []interface{}{item}
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}
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// 4.1 设置行高
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f.SetRowHeight(sheet, currentRow, rowHeightReseller)
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// 5. 填充到Excel
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for col, value := range rowData {
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cell := fmt.Sprintf("%c%d", 'A'+col, currentRow)
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f.SetCellValue(sheet, cell, value)
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}
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// 5.1 使用第二行模板样式
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if styleIDReseller != 0 {
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f.SetCellStyle(sheet, fmt.Sprintf("A%d", currentRow), fmt.Sprintf("B%d", currentRow), styleIDReseller)
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}
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}
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excelBytes, err := f.WriteToBuffer()
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if err != nil {
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return fmt.Errorf("write to bytes failed: %v", err)
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}
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picBytes, err := b.excel2picPy(templatePath, excelBytes.Bytes())
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if err != nil {
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return fmt.Errorf("excel2picPy failed: %v", err)
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}
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// b.savePic("temp.png", picBytes) // 本地生成图片，仅测试
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// outputPath 提取文件名（不包含扩展名）
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filename := filepath.Base(outputPath)
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filename = strings.TrimSuffix(filename, filepath.Ext(filename))
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imgUrl := b.uploadToOSS(filename, picBytes)
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log.Infof("imgUrl: %s", imgUrl)
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// 6. 保存
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return f.SaveAs(outputPath)
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}
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// 分销商负利润详情填充excel
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// 1.使用模板文件作为输出文件
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// 2.分销商总计使用第二行样式（宽高、背景、颜色等）
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// 3.商品详情使用第三行样式（宽高、背景、颜色等）
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// 4.保存为新文件
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func (b *BbxtTools) resellerDetailFillExcel(templatePath, outputPath string, dataSlice []*ResellerLoss) error {
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// 1. 读取模板
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f, err := excelize.OpenFile(templatePath)
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if err != nil {
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return err
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}
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defer f.Close()
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sheet := f.GetSheetName(0)
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// 获取模板样式1：第二行-分销商总计
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resellerTplRow := 2
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styleIDReseller, err := f.GetCellStyle(sheet, fmt.Sprintf("A%d", resellerTplRow))
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if err != nil {
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log.Errorf("获取分销商总计样式失败: %v", err)
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styleIDReseller = 0
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}
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rowHeightReseller, err := f.GetRowHeight(sheet, resellerTplRow)
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if err != nil {
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log.Errorf("获取分销商总计行高失败: %v", err)
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rowHeightReseller = 31 // 默认高度
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}
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// 获取模板样式2：第三行-产品亏损明细
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productTplRow := 3
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styleIDProduct, err := f.GetCellStyle(sheet, fmt.Sprintf("A%d", productTplRow))
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if err != nil {
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log.Errorf("获取商品详情样式失败: %v", err)
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styleIDProduct = 0
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}
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rowHeightProduct, err := f.GetRowHeight(sheet, productTplRow)
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if err != nil {
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log.Errorf("获取商品详情行高失败: %v", err)
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rowHeightProduct = 25 // 默认高度
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}
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currentRow := 2
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for _, reseller := range dataSlice {
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// 3. 填充经销商数据 (ResellerName, Total)
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// 设置行高
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f.SetRowHeight(sheet, currentRow, rowHeightReseller)
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// 设置单元格值
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f.SetCellValue(sheet, fmt.Sprintf("A%d", currentRow), reseller.ResellerName)
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f.SetCellValue(sheet, fmt.Sprintf("B%d", currentRow), reseller.Total)
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// 应用样式
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if styleIDReseller != 0 {
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f.SetCellStyle(sheet, fmt.Sprintf("A%d", currentRow), fmt.Sprintf("B%d", currentRow), styleIDReseller)
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}
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currentRow++
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// 4. 填充产品亏损明细
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// 先对 ProductLoss 进行排序
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var products []ProductLoss
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for _, p := range reseller.ProductLoss {
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products = append(products, p)
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}
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// 按 Loss 升序排序 (亏损越多越靠前，负数越小)
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sort.Slice(products, func(i, j int) bool {
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return products[i].Loss < products[j].Loss
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})
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for _, p := range products {
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// 设置行高
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f.SetRowHeight(sheet, currentRow, rowHeightProduct)
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// 设置单元格值
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f.SetCellValue(sheet, fmt.Sprintf("A%d", currentRow), fmt.Sprintf("·%s", p.ProductName))
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f.SetCellValue(sheet, fmt.Sprintf("B%d", currentRow), p.Loss)
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// 应用样式
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if styleIDProduct != 0 {
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f.SetCellStyle(sheet, fmt.Sprintf("A%d", currentRow), fmt.Sprintf("B%d", currentRow), styleIDProduct)
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}
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currentRow++
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}
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}
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// 6. 保存
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return f.SaveAs(outputPath)
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}
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// 分销商负利润详情填充excel-V2
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// 1.使用模板文件作为输出文件，从第二行开始填充
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// 2.整体为3列：1.分销商名称（以ResellerName为分组，分销商名称列使用的样式为） 2.商品名称（p.ProductName） 3.亏损金额（p.Loss）
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// 3.分销商名称列使用的样式为 A2；商品名称、亏损金额使用的样式为 B2、C2；样式包括宽高、背景、颜色等
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// 4.以ResellerName分组，合并单元格
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// 5.在文件末尾使用“合计”，合计行样式为模板第四行
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// 6.保存为新文件
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func (b *BbxtTools) resellerDetailFillExcelV2(templatePath, outputPath string, dataSlice []*ResellerLoss) error {
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// 1. 读取模板
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f, err := excelize.OpenFile(templatePath)
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if err != nil {
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return err
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}
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defer f.Close()
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sheet := f.GetSheetName(0)
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// ---------------- 样式获取 ----------------
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// 模板第2行：数据行样式
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tplRowData := 2
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styleA2, err := f.GetCellStyle(sheet, fmt.Sprintf("A%d", tplRowData))
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if err != nil {
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styleA2 = 0
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}
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// B2和C2通常样式一致，这里取B2作为明细列样式
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styleB2, err := f.GetCellStyle(sheet, fmt.Sprintf("B%d", tplRowData))
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if err != nil {
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styleB2 = 0
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}
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styleC2, err := f.GetCellStyle(sheet, fmt.Sprintf("C%d", tplRowData))
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if err != nil {
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styleC2 = 0
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}
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rowHeightData, err := f.GetRowHeight(sheet, tplRowData)
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if err != nil {
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rowHeightData = 20
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}
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// 模板第4行：合计行样式
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tplRowTotal := 4
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styleTotalA, err := f.GetCellStyle(sheet, fmt.Sprintf("A%d", tplRowTotal))
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if err != nil {
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styleTotalA = 0
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}
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styleTotalB, err := f.GetCellStyle(sheet, fmt.Sprintf("B%d", tplRowTotal))
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if err != nil {
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styleTotalB = 0
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}
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styleTotalC, err := f.GetCellStyle(sheet, fmt.Sprintf("C%d", tplRowTotal))
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if err != nil {
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styleTotalC = 0
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}
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rowHeightTotal, err := f.GetRowHeight(sheet, tplRowTotal)
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if err != nil {
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rowHeightTotal = 30
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}
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// ----------------------------------------
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currentRow := 2
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totalLoss := 0.0
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for _, reseller := range dataSlice {
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// 排序 ProductLoss
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var products []ProductLoss
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for _, p := range reseller.ProductLoss {
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products = append(products, p)
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}
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sort.Slice(products, func(i, j int) bool {
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return products[i].Loss < products[j].Loss
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})
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startRow := currentRow
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// 填充该经销商的所有产品
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for _, p := range products {
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// 设置行高
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f.SetRowHeight(sheet, currentRow, rowHeightData)
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// 设置值
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f.SetCellValue(sheet, fmt.Sprintf("A%d", currentRow), reseller.ResellerName)
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f.SetCellValue(sheet, fmt.Sprintf("B%d", currentRow), p.ProductName)
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f.SetCellValue(sheet, fmt.Sprintf("C%d", currentRow), p.Loss)
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// 设置样式
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if styleA2 != 0 {
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f.SetCellStyle(sheet, fmt.Sprintf("A%d", currentRow), fmt.Sprintf("A%d", currentRow), styleA2)
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}
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if styleB2 != 0 {
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f.SetCellStyle(sheet, fmt.Sprintf("B%d", currentRow), fmt.Sprintf("B%d", currentRow), styleB2)
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}
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if styleC2 != 0 {
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f.SetCellStyle(sheet, fmt.Sprintf("C%d", currentRow), fmt.Sprintf("C%d", currentRow), styleC2)
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}
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totalLoss += p.Loss
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currentRow++
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}
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endRow := currentRow - 1
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// 合并单元格 (如果多于1行)
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if endRow > startRow {
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f.MergeCell(sheet, fmt.Sprintf("A%d", startRow), fmt.Sprintf("A%d", endRow))
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}
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}
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// ---------------- 填充合计行 ----------------
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// 四舍五入保留四位小数
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totalLoss, _ = decimal.NewFromFloat(totalLoss).Round(4).Float64()
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// 设置行高
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f.SetRowHeight(sheet, currentRow, rowHeightTotal)
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f.SetCellValue(sheet, fmt.Sprintf("A%d", currentRow), "合计")
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// B列留空，C列填充总亏损
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f.SetCellValue(sheet, fmt.Sprintf("C%d", currentRow), totalLoss)
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// 设置合计行样式
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if styleTotalA != 0 {
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f.SetCellStyle(sheet, fmt.Sprintf("A%d", currentRow), fmt.Sprintf("A%d", currentRow), styleTotalA)
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}
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if styleTotalB != 0 {
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f.SetCellStyle(sheet, fmt.Sprintf("B%d", currentRow), fmt.Sprintf("B%d", currentRow), styleTotalB)
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}
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if styleTotalC != 0 {
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f.SetCellStyle(sheet, fmt.Sprintf("C%d", currentRow), fmt.Sprintf("C%d", currentRow), styleTotalC)
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}
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// 取消合并合计行的A、B列
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// f.MergeCell(sheet, fmt.Sprintf("A%d", currentRow), fmt.Sprintf("B%d", currentRow))
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excelBytes, err := f.WriteToBuffer()
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if err != nil {
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return fmt.Errorf("write to bytes failed: %v", err)
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}
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picBytes, err := b.excel2picPy(templatePath, excelBytes.Bytes())
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if err != nil {
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return fmt.Errorf("excel2picPy failed: %v", err)
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}
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// b.savePic("temp.png", picBytes) // 本地生成图片，仅测试
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// outputPath 提取文件名（不包含扩展名）
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filename := filepath.Base(outputPath)
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filename = strings.TrimSuffix(filename, filepath.Ext(filename))
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imgUrl := b.uploadToOSS(filename, picBytes)
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log.Infof("imgUrl: %s", imgUrl)
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// 6. 保存
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return f.SaveAs(outputPath)
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}
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// excel2picPy 将excel转换为图片python
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// python 接口如下：
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// curl --location --request POST 'http://192.168.6.109:8010/api/v1/convert' \
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// --header 'Content-Type: multipart/form-data; boundary=--------------------------952147881043913664015069' \
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// --form 'file=@"C:\\Users\\Administrator\\Downloads\\销售同比分析2025-12-29 0-12点.xlsx"' \
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// --form 'sheet_name="销售同比分析"'
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func (b *BbxtTools) excel2picPy(templatePath string, excelBytes []byte) ([]byte, error) {
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// 1. 获取 Sheet Name
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// 尝试从 excelBytes 解析，如果失败则使用默认值 "Sheet1"
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sheetName := "Sheet1"
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f, err := excelize.OpenReader(bytes.NewReader(excelBytes))
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if err == nil {
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sheetName = f.GetSheetName(0)
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if sheetName == "" {
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sheetName = "Sheet1"
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}
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f.Close()
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}
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// 2. 构造 Multipart 请求
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body := &bytes.Buffer{}
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writer := multipart.NewWriter(body)
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// 添加文件字段
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// 使用 templatePath 的文件名作为上传文件名，如果没有则用 default.xlsx
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filename := "default.xlsx"
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if templatePath != "" {
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filename = filepath.Base(templatePath)
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}
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part, err := writer.CreateFormFile("file", filename)
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if err != nil {
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return nil, fmt.Errorf("create form file failed: %v", err)
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}
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if _, err = part.Write(excelBytes); err != nil {
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return nil, fmt.Errorf("write file part failed: %v", err)
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}
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// 添加 sheet_name 字段
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if err = writer.WriteField("sheet_name", sheetName); err != nil {
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return nil, fmt.Errorf("write field sheet_name failed: %v", err)
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}
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if err = writer.Close(); err != nil {
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return nil, fmt.Errorf("close writer failed: %v", err)
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}
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// 3. 发送 HTTP POST 请求
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url := "http://192.168.6.109:8010/api/v1/convert"
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req, err := http.NewRequest("POST", url, body)
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if err != nil {
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return nil, fmt.Errorf("create request failed: %v", err)
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}
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req.Header.Set("Content-Type", writer.FormDataContentType())
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client := &http.Client{}
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resp, err := client.Do(req)
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if err != nil {
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return nil, fmt.Errorf("send request failed: %v", err)
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}
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defer resp.Body.Close()
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if resp.StatusCode != http.StatusOK {
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respBody, _ := io.ReadAll(resp.Body)
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return nil, fmt.Errorf("api request failed with status: %d, body: %s", resp.StatusCode, string(respBody))
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}
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// 4. 读取响应 Body (图片内容)
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picBytes, err := io.ReadAll(resp.Body)
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if err != nil {
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return nil, fmt.Errorf("read response body failed: %v", err)
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}
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return picBytes, nil
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}
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// savePic 保存图片到本地
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func (b *BbxtTools) savePic(outputPath string, picBytes []byte) error {
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dir := filepath.Dir(outputPath)
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if err := os.MkdirAll(dir, 0755); err != nil {
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return fmt.Errorf("create directory failed: %v", err)
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}
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return os.WriteFile(outputPath, picBytes, 0644)
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}
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// uploadToOSS 上传至 oss 返回图片url
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func (b *BbxtTools) uploadToOSS(fileName string, fileBytes []byte) string {
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objectKey := fmt.Sprintf("ai-scheduler/data-analytics/images/%s.png", fileName)
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url, err := b.ossClient.UploadBytes(objectKey, fileBytes)
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if err != nil {
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log.Errorf("oss upload failed: %v", err)
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return ""
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}
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return url
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}
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