🎨 Refactored XML generation logic and fixed content type override issues

workbook/content_types.go

@@ -40,7 +40,6 @@ func NewContentTypes() *ContentTypes {
 	ct.AddOverride("/xl/workbook.xml", "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet.main+xml")
 	ct.AddOverride("/xl/styles.xml", "application/vnd.openxmlformats-officedocument.spreadsheetml.styles+xml")
 	ct.AddOverride("/xl/theme/theme1.xml", "application/vnd.openxmlformats-officedocument.theme+xml")
-	ct.AddOverride("/xl/worksheets/sheet1.xml", "application/vnd.openxmlformats-officedocument.spreadsheetml.worksheet+xml")
 	ct.AddOverride("/xl/sharedStrings.xml", "application/vnd.openxmlformats-officedocument.spreadsheetml.sharedStrings+xml")
 
 	return ct

workbook/examples/simple/main.go

@@ -259,7 +259,7 @@ func main() {
 	})
 
 	// 保存Excel文件
-	err := wb.Save("sales_report.xlsx")
+	err := wb.Save("./workbook/examples/simple/sales_report.xlsx")
 	if err != nil {
 		fmt.Println("保存Excel文件时出错:", err)
 		return

workbook/workbook.go

@@ -71,6 +71,11 @@ func (wb *Workbook) Save(filename string) error {
 	zipWriter := zip.NewWriter(file)
 	defer zipWriter.Close()
 
+	// 为每个工作表添加内容类型覆盖
+	for i := range wb.Worksheets {
+		wb.ContentTypes.AddWorksheetOverride(i + 1)
+	}
+
 	// 添加[Content_Types].xml
 	contentTypesWriter, err := zipWriter.Create("[Content_Types].xml")
 	if err != nil {