def get_textbox_capacity(shape):
    """估算文本框的字符容量"""
    # 1. 獲取文本框尺寸（單位：厘米）
    width = shape.width.cm  # 文本框?qū)挾?
    height = shape.height.cm  # 文本框高度

    # 2. 過濾非文本框（如圖片、表格）
    if "Text" not in shape.name:
        return 0

    rows = 0
    cols = 0
    for paragraph in shape.text_frame.paragraphs:
        for run in paragraph.runs:
            # 獲取字體大?。▎挝唬豪迕祝?
            font = run.font
            if font and font.size:
                font_size = font.size.cm  # 字體高度（厘米）

                # 計(jì)算可容納的行數(shù)和列數(shù)
                rows = int(height // font_size)  # 向下取整
                cols = int(width // font_size)

    return rows * cols  # 總字符數(shù)（行數(shù) × 列數(shù)）

def truncate_text(text, max_chars):
    """截?cái)辔谋静⑻砑邮÷蕴?hào)"""
    if len(text) <= max_chars:
        return text
    return text[:max_chars] + "..."  # 截?cái)嗪筇砑邮÷蕴?hào)

if __name__ == '__main__':
    prs = Presentation("template.pptx")  # 加載PPT模板
    for slide in prs.slides:  # 遍歷每一頁
        for shape in slide.shapes:  # 遍歷每個(gè)元素
            if shape.has_text_frame:  # 過濾文本框
                capacity = get_textbox_capacity(shape)
                print(f"文本框名稱：{shape.name}, 容量：{capacity} 字符")
                
                # 示例：填充內(nèi)容時(shí)截?cái)?
                original_text = "這是一個(gè)很長(zhǎng)的測(cè)試文本，需要截?cái)?.."
                truncated_text = truncate_text(original_text, capacity)
                shape.text = truncated_text  # 更新文本內(nèi)容
    prs.save("adjusted.pptx")  # 保存處理后的PPT

文本框名稱：Text Placeholder 1, 容量：120 字符
文本框名稱：Text Box 2, 容量：80 字符

# 假設(shè)中文字符寬度為字體高度的 1.5 倍
cols = int(width // (font_size * 1.5))

indentation = paragraph.level * 0.5  # 每級(jí)縮進(jìn) 0.5 厘米
usable_width = width - indentation
cols = int(usable_width // font_size)

from pptx import Presentation

def get_textbox_capacity(shape):
    """估算文本框的字符容量"""
    width = shape.width.cm
    height = shape.height.cm

    if "Text" not in shape.name:
        return 0

    rows = 0
    cols = 0
    for paragraph in shape.text_frame.paragraphs:
        for run in paragraph.runs:
            font = run.font
            if font and font.size:
                font_size = font.size.cm
                rows = int(height // font_size)
                cols = int(width // font_size)
    return rows * cols

def truncate_text(text, max_chars):
    """截?cái)辔谋静⑻砑邮÷蕴?hào)"""
    if len(text) <= max_chars:
        return text
    return text[:max_chars] + "..."

if __name__ == '__main__':
    prs = Presentation("template.pptx")
    for slide in prs.slides:
        for shape in slide.shapes:
            if shape.has_text_frame:
                capacity = get_textbox_capacity(shape)
                print(f"文本框名稱：{shape.name}, 容量：{capacity} 字符")
                original_text = "這是一個(gè)很長(zhǎng)的測(cè)試文本，需要截?cái)?.."
                truncated_text = truncate_text(original_text, capacity)
                shape.text = truncated_text
    prs.save("adjusted.pptx")