main
HuangHai 4 weeks ago
parent d37e464a5d
commit b8642cd9a9

@ -1,31 +1,99 @@
import os
import uuid
word_path = "d:\\dsWork\\dsProject\\dsRag\\Test\\带图的WORD文档.docx"
from docx import Document
from docx.oxml import parse_xml
from docx.oxml.ns import nsmap
import os
import zipfile
import shutil
def extract_images_from_word(word_path, output_dir):
def extract_images_from_docx(docx_path, output_folder):
"""
从Word文档中提取图片并保存到指定目录
:param word_path: Word文档路径
:param output_dir: 图片输出目录
从docx提取图片并记录位置
:param docx_path: Word文档路径
:param output_folder: 图片输出文件夹
:return: 包含图片路径和位置的列表
"""
doc = Document(word_path)
# 确保输出目录存在
os.makedirs(output_dir, exist_ok=True)
# 获取文档中的所有图片
for rel in doc.part.rels.values():
if "image" in rel.target_ref:
img_data = rel.target_part.blob
# 使用UUID命名图片
output_path = os.path.join(output_dir, f"{uuid.uuid4()}.jpg")
with open(output_path, "wb") as f:
f.write(img_data)
print(f"图片已保存到: {output_path}")
# 创建临时解压目录
temp_dir = os.path.join(output_folder, "temp_docx")
os.makedirs(temp_dir, exist_ok=True)
# 解压docx文件
with zipfile.ZipFile(docx_path, 'r') as zip_ref:
zip_ref.extractall(temp_dir)
# 读取主文档关系
with open(os.path.join(temp_dir, 'word', '_rels', 'document.xml.rels'), 'r') as rels_file:
rels_content = rels_file.read()
# 加载主文档
doc = Document(docx_path)
image_data = []
img_counter = 1
# 遍历所有段落
for para_idx, paragraph in enumerate(doc.paragraphs):
for run_idx, run in enumerate(paragraph.runs):
# 检查运行中的图形
for element in run._element:
if element.tag.endswith('drawing'):
# 提取图片关系ID
blip = element.find('.//a:blip', namespaces=nsmap)
if blip is not None:
embed_id = blip.get('{%s}embed' % nsmap['r'])
# 从关系文件中获取图片文件名
rel_entry = f'<Relationship Id="{embed_id}"'
if rel_entry in rels_content:
start = rels_content.find(rel_entry)
target_start = rels_content.find('Target="', start) + 8
target_end = rels_content.find('"', target_start)
image_path = rels_content[target_start:target_end]
# 构建图片源路径
src_path = os.path.join(temp_dir, 'word', image_path.replace('..', '').lstrip('/'))
if os.path.exists(src_path):
# 创建输出文件名
ext = os.path.splitext(src_path)[1]
img_name = f"image_{img_counter}{ext}"
dest_path = os.path.join(output_folder, img_name)
# 复制图片
shutil.copy(src_path, dest_path)
# 记录位置信息
location = {
"paragraph_index": para_idx,
"run_index": run_idx,
"page_number": None, # docx不直接存储页码
"paragraph_text": paragraph.text[:50] + "..." # 截取部分文本
}
image_data.append({
"image_path": dest_path,
"location": location
})
img_counter += 1
# 清理临时目录
shutil.rmtree(temp_dir)
return image_data
# 使用示例
if __name__ == "__main__":
word_path = "d:\\dsWork\\dsProject\\dsRag\\Test\\带图的WORD文档.docx"
output_dir = os.path.abspath(os.path.join(os.path.dirname(word_path), "..", "static", "Images"))
extract_images_from_word(word_path, output_dir)
output_dir = "extracted_images" # 图片输出目录
os.makedirs(output_dir, exist_ok=True)
images = extract_images_from_docx(word_path, output_dir)
# 打印结果
for img in images:
print(f"图片保存至: {img['image_path']}")
loc = img['location']
print(f"位置信息: 段落 {loc['paragraph_index']}, 运行 {loc['run_index']}")
print(f"上下文: {loc['paragraph_text']}\n")

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from nltk.corpus import wordnet
import jieba
def expand_with_synonyms(query):
words = jieba.lcut(query)
expanded = []
for word in words:
synonyms = set()
for syn in wordnet.synsets(word, lang='cmn'):
for lemma in syn.lemma_names('cmn'):
synonyms.add(lemma)
if synonyms:
expanded.append(f"({'|'.join(synonyms)})")
else:
expanded.append(word)
return ' '.join(expanded)
original_query = "微积分的基本定理是什么?"
expanded_query = expand_with_synonyms(original_query)
print(f"原始查询: {original_query}")
print(f"扩展后查询: {expanded_query}")

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问题1 教学建议与意义
在教学过程中,引导学生构建和理解模型,不仅能提升他们分析和解决问题的能力,还能激发他们发现问题和提出问题的意识。例如,在认识路程模型时,教师可通过生活化情境让学生理解速度的概念及其单位表示。
模型思想是《义务教育数学课程标准》中强调的核心素养之一,它帮助学生建立从现实世界抽象出数学问题的能力,并通过数学语言进行描述和解释。
因此,在“综合与实践”类教学内容中,应加强模型的应用训练,以培养学生应用数学知识解决实际问题的能力。

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问题2 我随便写点什么

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