🎉 Initial commit

workbook/shared_strings.go

@@ -0,0 +1,68 @@
+package workbook
+
+import (
+	"fmt"
+	"strings"
+)
+
+// SharedStrings 表示Excel文档中的共享字符串表
+type SharedStrings struct {
+	Strings []string
+	Map     map[string]int
+}
+
+// NewSharedStrings 创建一个新的共享字符串表
+func NewSharedStrings() *SharedStrings {
+	return &SharedStrings{
+		Strings: make([]string, 0),
+		Map:     make(map[string]int),
+	}
+}
+
+// AddString 添加一个字符串到共享字符串表，并返回其索引
+func (ss *SharedStrings) AddString(s string) int {
+	// 检查字符串是否已存在
+	if index, ok := ss.Map[s]; ok {
+		return index
+	}
+
+	// 添加新字符串
+	index := len(ss.Strings)
+	ss.Strings = append(ss.Strings, s)
+	ss.Map[s] = index
+	return index
+}
+
+// GetString 根据索引获取字符串
+func (ss *SharedStrings) GetString(index int) (string, error) {
+	if index < 0 || index >= len(ss.Strings) {
+		return "", fmt.Errorf("index out of range: %d", index)
+	}
+	return ss.Strings[index], nil
+}
+
+// Count 返回共享字符串表中的字符串数量
+func (ss *SharedStrings) Count() int {
+	return len(ss.Strings)
+}
+
+// ToXML 将共享字符串表转换为XML
+func (ss *SharedStrings) ToXML() string {
+	xml := "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?>\n"
+	xml += fmt.Sprintf("<sst xmlns=\"http://schemas.openxmlformats.org/spreadsheetml/2006/main\" count=\"%d\" uniqueCount=\"%d\">\n",
+		ss.Count(), ss.Count())
+
+	for _, s := range ss.Strings {
+		// 转义XML特殊字符
+		s = strings.Replace(s, "&", "&amp;", -1)
+		s = strings.Replace(s, "<", "&lt;", -1)
+		s = strings.Replace(s, ">", "&gt;", -1)
+		s = strings.Replace(s, "\"", "&quot;", -1)
+		s = strings.Replace(s, "'", "&apos;", -1)
+
+		xml += "  <si><t>" + s + "</t></si>\n"
+	}
+
+	xml += "</sst>"
+	return xml
+}