325 lines
8.4 KiB
Go
325 lines
8.4 KiB
Go
package document
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import "fmt"
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// Paragraph 表示Word文档中的段落
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type Paragraph struct {
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Runs []*Run
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Properties *ParagraphProperties
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}
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// ParagraphProperties 表示段落的属性
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type ParagraphProperties struct {
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Alignment string // left, center, right, justified
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IndentLeft int // 左缩进，单位为twip (1/20 point)
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IndentRight int // 右缩进
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IndentFirstLine int // 首行缩进
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SpacingBefore int // 段前间距
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SpacingAfter int // 段后间距
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SpacingLine int // 行间距
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SpacingLineRule string // auto, exact, atLeast
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KeepNext bool // 与下段同页
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KeepLines bool // 段中不分页
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PageBreakBefore bool // 段前分页
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WidowControl bool // 孤行控制
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OutlineLevel int // 大纲级别
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StyleID string // 样式ID
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NumID int // 编号ID
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NumLevel int // 编号级别
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BorderTop *Border
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BorderBottom *Border
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BorderLeft *Border
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BorderRight *Border
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Shading *Shading
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}
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// Border 表示边框
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type Border struct {
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Style string // single, double, dotted, dashed, etc.
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Size int // 边框宽度，单位为1/8点
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Color string // 边框颜色，格式为RRGGBB
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Space int // 边框与文本的距离
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}
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// Shading 表示底纹
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type Shading struct {
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Fill string // 填充颜色
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Color string // 文本颜色
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Pattern string // 底纹样式
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}
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// NewParagraph 创建一个新的段落
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func NewParagraph() *Paragraph {
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return &Paragraph{
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Runs: make([]*Run, 0),
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Properties: &ParagraphProperties{
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Alignment: "left",
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WidowControl: true,
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SpacingLineRule: "auto",
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},
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}
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}
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// AddRun 向段落添加一个文本运行并返回它
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func (p *Paragraph) AddRun() *Run {
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r := NewRun()
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p.Runs = append(p.Runs, r)
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return r
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}
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// AddText 向段落添加文本
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func (p *Paragraph) AddText(text string) *Run {
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return p.AddRun().AddText(text)
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}
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// SetAlignment 设置段落对齐方式
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func (p *Paragraph) SetAlignment(alignment string) *Paragraph {
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p.Properties.Alignment = alignment
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return p
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}
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// SetIndentLeft 设置左缩进
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func (p *Paragraph) SetIndentLeft(indent int) *Paragraph {
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p.Properties.IndentLeft = indent
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return p
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}
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// SetIndentRight 设置右缩进
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func (p *Paragraph) SetIndentRight(indent int) *Paragraph {
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p.Properties.IndentRight = indent
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return p
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}
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// SetIndentFirstLine 设置首行缩进
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func (p *Paragraph) SetIndentFirstLine(indent int) *Paragraph {
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p.Properties.IndentFirstLine = indent
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return p
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}
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// SetSpacingBefore 设置段前间距
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func (p *Paragraph) SetSpacingBefore(spacing int) *Paragraph {
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p.Properties.SpacingBefore = spacing
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return p
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}
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// SetSpacingAfter 设置段后间距
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func (p *Paragraph) SetSpacingAfter(spacing int) *Paragraph {
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p.Properties.SpacingAfter = spacing
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return p
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}
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// SetSpacingLine 设置行间距
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func (p *Paragraph) SetSpacingLine(spacing int, rule string) *Paragraph {
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p.Properties.SpacingLine = spacing
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p.Properties.SpacingLineRule = rule
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return p
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}
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// SetLineSpacing 设置行距
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func (p *Paragraph) SetLineSpacing(lineSpacing float64, rule string) *Paragraph {
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// Word中行距值的计算：
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// 1.5倍行距 = 360 (240 * 1.5)
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// 2.0倍行距 = 480 (240 * 2.0)
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// 3.0倍行距 = 720 (240 * 3.0)
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spacing := int(240 * lineSpacing)
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return p.SetSpacingLine(spacing, rule)
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}
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// SetKeepNext 设置与下段同页
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func (p *Paragraph) SetKeepNext(keepNext bool) *Paragraph {
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p.Properties.KeepNext = keepNext
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return p
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}
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// SetKeepLines 设置段中不分页
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func (p *Paragraph) SetKeepLines(keepLines bool) *Paragraph {
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p.Properties.KeepLines = keepLines
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return p
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}
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// SetPageBreakBefore 设置段前分页
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func (p *Paragraph) SetPageBreakBefore(pageBreakBefore bool) *Paragraph {
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p.Properties.PageBreakBefore = pageBreakBefore
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return p
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}
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// SetStyleID 设置样式ID
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func (p *Paragraph) SetStyleID(styleID string) *Paragraph {
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p.Properties.StyleID = styleID
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return p
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}
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// SetNumbering 设置编号
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func (p *Paragraph) SetNumbering(numID, numLevel int) *Paragraph {
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p.Properties.NumID = numID
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p.Properties.NumLevel = numLevel
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return p
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}
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// SetBorder 设置边框
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func (p *Paragraph) SetBorder(position string, style string, size int, color string, space int) *Paragraph {
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// 如果style为空，设置为"none"
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if style == "" {
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style = "none"
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}
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// 如果color为空，设置为默认颜色黑色
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if color == "" {
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color = "000000"
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}
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border := &Border{
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Style: style,
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Size: size,
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Color: color,
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Space: space,
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}
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switch position {
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case "top":
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p.Properties.BorderTop = border
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case "bottom":
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p.Properties.BorderBottom = border
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case "left":
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p.Properties.BorderLeft = border
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case "right":
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p.Properties.BorderRight = border
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}
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return p
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}
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// SetShading 设置底纹
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func (p *Paragraph) SetShading(fill, color, pattern string) *Paragraph {
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p.Properties.Shading = &Shading{
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Fill: fill,
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Color: color,
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Pattern: pattern,
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}
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return p
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}
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// ToXML 将段落转换为XML
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func (p *Paragraph) ToXML() string {
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xml := "<w:p>"
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// 添加段落属性
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xml += "<w:pPr>"
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// 样式 (必须在最前面)
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if p.Properties.StyleID != "" {
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xml += fmt.Sprintf("<w:pStyle w:val=\"%s\" />", p.Properties.StyleID)
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}
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// 分页控制 (必须在编号前面)
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if p.Properties.KeepNext {
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xml += "<w:keepNext />"
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}
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if p.Properties.KeepLines {
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xml += "<w:keepLines />"
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}
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if p.Properties.PageBreakBefore {
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xml += "<w:pageBreakBefore />"
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}
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if p.Properties.WidowControl {
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xml += "<w:widowControl />"
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}
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// 编号
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if p.Properties.NumID > 0 {
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xml += "<w:numPr>"
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xml += fmt.Sprintf("<w:ilvl w:val=\"%d\" />", p.Properties.NumLevel)
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xml += fmt.Sprintf("<w:numId w:val=\"%d\" />", p.Properties.NumID)
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xml += "</w:numPr>"
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}
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// 边框
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if p.Properties.BorderTop != nil || p.Properties.BorderBottom != nil ||
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p.Properties.BorderLeft != nil || p.Properties.BorderRight != nil {
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xml += "<w:pBdr>"
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if p.Properties.BorderTop != nil {
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xml += fmt.Sprintf("<w:top w:val=\"%s\" w:sz=\"%d\" w:space=\"%d\" w:color=\"%s\" />",
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p.Properties.BorderTop.Style,
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p.Properties.BorderTop.Size,
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p.Properties.BorderTop.Space,
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p.Properties.BorderTop.Color)
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}
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if p.Properties.BorderBottom != nil {
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xml += fmt.Sprintf("<w:bottom w:val=\"%s\" w:sz=\"%d\" w:space=\"%d\" w:color=\"%s\" />",
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p.Properties.BorderBottom.Style,
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p.Properties.BorderBottom.Size,
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p.Properties.BorderBottom.Space,
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p.Properties.BorderBottom.Color)
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}
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if p.Properties.BorderLeft != nil {
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xml += fmt.Sprintf("<w:left w:val=\"%s\" w:sz=\"%d\" w:space=\"%d\" w:color=\"%s\" />",
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p.Properties.BorderLeft.Style,
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p.Properties.BorderLeft.Size,
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p.Properties.BorderLeft.Space,
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p.Properties.BorderLeft.Color)
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}
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if p.Properties.BorderRight != nil {
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xml += fmt.Sprintf("<w:right w:val=\"%s\" w:sz=\"%d\" w:space=\"%d\" w:color=\"%s\" />",
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p.Properties.BorderRight.Style,
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p.Properties.BorderRight.Size,
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p.Properties.BorderRight.Space,
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p.Properties.BorderRight.Color)
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}
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xml += "</w:pBdr>"
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}
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// 底纹
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if p.Properties.Shading != nil {
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xml += fmt.Sprintf("<w:shd w:val=\"%s\" w:fill=\"%s\" w:color=\"%s\" />",
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p.Properties.Shading.Pattern,
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p.Properties.Shading.Fill,
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p.Properties.Shading.Color)
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}
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// 间距
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if p.Properties.SpacingBefore > 0 || p.Properties.SpacingAfter > 0 || p.Properties.SpacingLine > 0 {
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xml += "<w:spacing"
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if p.Properties.SpacingBefore > 0 {
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xml += fmt.Sprintf(" w:before=\"%d\"", p.Properties.SpacingBefore)
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}
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if p.Properties.SpacingAfter > 0 {
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xml += fmt.Sprintf(" w:after=\"%d\"", p.Properties.SpacingAfter)
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}
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if p.Properties.SpacingLine > 0 {
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xml += fmt.Sprintf(" w:line=\"%d\"", p.Properties.SpacingLine)
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xml += fmt.Sprintf(" w:lineRule=\"%s\"", p.Properties.SpacingLineRule)
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}
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xml += " />"
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}
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// 缩进
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if p.Properties.IndentLeft > 0 || p.Properties.IndentRight > 0 || p.Properties.IndentFirstLine > 0 {
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xml += "<w:ind"
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if p.Properties.IndentLeft > 0 {
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xml += fmt.Sprintf(" w:left=\"%d\"", p.Properties.IndentLeft)
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}
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if p.Properties.IndentRight > 0 {
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xml += fmt.Sprintf(" w:right=\"%d\"", p.Properties.IndentRight)
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}
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if p.Properties.IndentFirstLine > 0 {
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xml += fmt.Sprintf(" w:firstLine=\"%d\"", p.Properties.IndentFirstLine)
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}
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xml += " />"
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}
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// 对齐方式
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if p.Properties.Alignment != "" {
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xml += fmt.Sprintf("<w:jc w:val=\"%s\" />", p.Properties.Alignment)
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}
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xml += "</w:pPr>"
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// 添加所有Run的XML
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for _, run := range p.Runs {
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xml += run.ToXML()
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}
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xml += "</w:p>"
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return xml
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}
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