添加通过XML直接替换Word文档占位符的功能，作为表格处理失败时的备用方案。同时，优化表格占位符替换逻辑，增强错误处理和调试信息输出，确保在处理复杂表格时的稳定性。
This commit is contained in:
python
parent
4d9080855c
commit
dab5d8ee59
@ -4,6 +4,7 @@
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import os
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import os
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import re
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import re
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import tempfile
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import tempfile
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import zipfile
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from typing import Dict, List, Optional
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from typing import Dict, List, Optional
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from datetime import datetime, timedelta
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from datetime import datetime, timedelta
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from pathlib import Path
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from pathlib import Path
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@ -11,6 +12,7 @@ from docx import Document
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from minio import Minio
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from minio import Minio
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from minio.error import S3Error
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from minio.error import S3Error
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import pymysql
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import pymysql
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from xml.etree import ElementTree as ET
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class DocumentService:
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class DocumentService:
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@ -119,6 +121,69 @@ class DocumentService:
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except S3Error as e:
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except S3Error as e:
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raise Exception(f"从MinIO下载模板文件失败: {str(e)}")
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raise Exception(f"从MinIO下载模板文件失败: {str(e)}")
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def replace_placeholders_via_xml(self, docx_path: str, field_data: Dict[str, str]) -> bool:
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"""
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通过直接操作XML来替换占位符（备用方案，用于处理表格访问失败的情况）
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Args:
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docx_path: docx文件路径
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field_data: 字段数据字典
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Returns:
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是否成功替换
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"""
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try:
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# docx文件实际上是一个ZIP文件
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# 需要创建一个新的ZIP文件来替换内容
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temp_zip_path = docx_path + '.tmp'
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with zipfile.ZipFile(docx_path, 'r') as zip_read:
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with zipfile.ZipFile(temp_zip_path, 'w', zipfile.ZIP_DEFLATED) as zip_write:
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# 复制所有文件，但替换word/document.xml
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for item in zip_read.infolist():
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if item.filename == 'word/document.xml':
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# 读取并修改XML内容
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xml_content = zip_read.read(item.filename).decode('utf-8')
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# 替换占位符
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modified = False
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for field_code, field_value in field_data.items():
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placeholder = f"{{{{{field_code}}}}}"
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replacement_value = str(field_value) if field_value else ''
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if placeholder in xml_content:
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xml_content = xml_content.replace(placeholder, replacement_value)
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modified = True
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print(f"[DEBUG] XML替换占位符: {placeholder} -> '{replacement_value}'")
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# 写入修改后的XML
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zip_write.writestr(item.filename, xml_content.encode('utf-8'))
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if modified:
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print(f"[DEBUG] XML成功替换占位符")
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else:
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# 复制其他文件
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zip_write.writestr(item, zip_read.read(item.filename))
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# 替换原文件
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if os.path.exists(temp_zip_path):
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os.replace(temp_zip_path, docx_path)
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return True
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return False
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except Exception as e:
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print(f"[WARN] XML替换占位符失败: {str(e)}")
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import traceback
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print(traceback.format_exc())
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# 清理临时文件
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temp_zip_path = docx_path + '.tmp'
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if os.path.exists(temp_zip_path):
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try:
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os.remove(temp_zip_path)
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except:
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pass
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return False
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def fill_template(self, template_path: str, field_data: Dict[str, str]) -> str:
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def fill_template(self, template_path: str, field_data: Dict[str, str]) -> str:
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"""
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"""
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填充Word模板中的占位符
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填充Word模板中的占位符
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@ -473,6 +538,9 @@ class DocumentService:
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total_replacements += before_text.count(placeholder)
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total_replacements += before_text.count(placeholder)
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# 替换表格中的占位符
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# 替换表格中的占位符
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table_replacements = 0
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table_errors = 0
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use_xml_fallback = False
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try:
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try:
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for table_idx, table in enumerate(doc.tables):
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for table_idx, table in enumerate(doc.tables):
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try:
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try:
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@ -482,8 +550,10 @@ class DocumentService:
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# 安全地获取表格行数
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# 安全地获取表格行数
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try:
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try:
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row_count = len(table.rows)
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row_count = len(table.rows)
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print(f"[DEBUG] 表格 {table_idx} 有 {row_count} 行")
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except Exception as e:
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except Exception as e:
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print(f"[WARN] 无法获取表格 {table_idx} 的行数，跳过该表格: {str(e)}")
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print(f"[WARN] 无法获取表格 {table_idx} 的行数，跳过该表格: {str(e)}")
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table_errors += 1
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continue
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continue
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# 使用索引方式访问行，而不是迭代器，避免在迭代时触发内部索引访问错误
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# 使用索引方式访问行，而不是迭代器，避免在迭代时触发内部索引访问错误
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@ -521,6 +591,7 @@ class DocumentService:
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continue
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continue
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except (IndexError, AttributeError) as e:
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except (IndexError, AttributeError) as e:
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print(f"[WARN] 表格 {table_idx} 行 {row_idx} 无法访问单元格，跳过该行: {str(e)}")
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print(f"[WARN] 表格 {table_idx} 行 {row_idx} 无法访问单元格，跳过该行: {str(e)}")
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table_errors += 1
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continue
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continue
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# 安全地遍历单元格
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# 安全地遍历单元格
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@ -547,46 +618,81 @@ class DocumentService:
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continue
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continue
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except (IndexError, AttributeError) as e:
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except (IndexError, AttributeError) as e:
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print(f"[WARN] 表格 {table_idx} 行 {row_idx} 单元格 {cell_idx} 无法访问段落，跳过: {str(e)}")
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print(f"[WARN] 表格 {table_idx} 行 {row_idx} 单元格 {cell_idx} 无法访问段落，跳过: {str(e)}")
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table_errors += 1
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continue
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continue
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for para_idx, paragraph in enumerate(paragraphs):
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for para_idx, paragraph in enumerate(paragraphs):
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try:
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try:
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before_text = paragraph.text
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before_text = paragraph.text
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if not before_text:
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continue
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# 检查是否有占位符
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has_placeholder = False
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for field_code in field_data.keys():
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placeholder = f"{{{{{field_code}}}}}"
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if placeholder in before_text:
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has_placeholder = True
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break
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if not has_placeholder:
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continue
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print(f"[DEBUG] 表格 {table_idx} 行 {row_idx} 单元格 {cell_idx} 段落 {para_idx} 发现占位符: '{before_text[:50]}...'")
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replace_placeholder_in_paragraph(paragraph)
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replace_placeholder_in_paragraph(paragraph)
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after_text = paragraph.text
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after_text = paragraph.text
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if before_text != after_text:
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if before_text != after_text:
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print(f"[DEBUG] 表格替换成功: '{before_text[:50]}...' -> '{after_text[:50]}...'")
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table_replacements += 1
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# 检查哪些占位符被替换了
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# 检查哪些占位符被替换了
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for field_code in field_data.keys():
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for field_code in field_data.keys():
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placeholder = f"{{{{{field_code}}}}}"
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placeholder = f"{{{{{field_code}}}}}"
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if placeholder in before_text and placeholder not in after_text:
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if placeholder in before_text and placeholder not in after_text:
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replaced_placeholders.add(field_code)
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replaced_placeholders.add(field_code)
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total_replacements += before_text.count(placeholder)
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total_replacements += before_text.count(placeholder)
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else:
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print(f"[WARN] 表格 {table_idx} 行 {row_idx} 单元格 {cell_idx} 段落 {para_idx} 替换后文本未改变")
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except Exception as e:
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except Exception as e:
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# 如果单个段落处理失败，记录错误但继续处理其他段落
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# 如果单个段落处理失败，记录错误但继续处理其他段落
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print(f"[WARN] 表格 {table_idx} 行 {row_idx} 单元格 {cell_idx} 段落 {para_idx} 处理出错: {str(e)}")
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print(f"[WARN] 表格 {table_idx} 行 {row_idx} 单元格 {cell_idx} 段落 {para_idx} 处理出错: {str(e)}")
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table_errors += 1
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import traceback
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print(traceback.format_exc())
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continue
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continue
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except Exception as e:
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except Exception as e:
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# 如果单个单元格处理失败，记录错误但继续处理其他单元格
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# 如果单个单元格处理失败，记录错误但继续处理其他单元格
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print(f"[WARN] 表格 {table_idx} 行 {row_idx} 单元格 {cell_idx} 处理出错: {str(e)}")
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print(f"[WARN] 表格 {table_idx} 行 {row_idx} 单元格 {cell_idx} 处理出错: {str(e)}")
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table_errors += 1
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continue
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continue
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except Exception as e:
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except Exception as e:
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# 如果单个行处理失败，记录错误但继续处理其他行
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# 如果单个行处理失败，记录错误但继续处理其他行
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print(f"[WARN] 表格 {table_idx} 行 {row_idx} 处理出错: {str(e)}")
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print(f"[WARN] 表格 {table_idx} 行 {row_idx} 处理出错: {str(e)}")
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table_errors += 1
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import traceback
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import traceback
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print(traceback.format_exc())
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print(traceback.format_exc())
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continue
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continue
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except Exception as e:
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except Exception as e:
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# 如果单个表格处理失败，记录错误但继续处理其他表格
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# 如果单个表格处理失败，记录错误但继续处理其他表格
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print(f"[WARN] 表格 {table_idx} 处理出错: {str(e)}")
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print(f"[WARN] 表格 {table_idx} 处理出错: {str(e)}")
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table_errors += 1
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import traceback
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import traceback
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print(traceback.format_exc())
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print(traceback.format_exc())
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continue
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continue
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print(f"[DEBUG] 表格替换统计: 成功 {table_replacements} 次, 错误 {table_errors} 次")
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# 记录表格处理结果，稍后在保存后使用XML方法作为备用方案
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if table_errors > 0:
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print(f"[DEBUG] 检测到表格处理错误 {table_errors} 次，将在保存后使用XML方法作为备用方案")
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except Exception as e:
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except Exception as e:
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# 如果表格处理失败，记录错误但继续保存文档
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# 如果表格处理失败，记录错误但继续保存文档
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print(f"[WARN] 处理表格时出错: {str(e)}")
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print(f"[WARN] 处理表格时出错: {str(e)}")
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import traceback
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import traceback
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print(traceback.format_exc())
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print(traceback.format_exc())
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pass
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table_errors = 999 # 标记为严重错误
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# 第三步：验证是否还有未替换的占位符（使用正则表达式匹配所有可能的占位符）
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# 第三步：验证是否还有未替换的占位符（使用正则表达式匹配所有可能的占位符）
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remaining_placeholders = set()
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remaining_placeholders = set()
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if field_code:
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if field_code:
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remaining_placeholders.add(field_code)
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remaining_placeholders.add(field_code)
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# 检查表格中的占位符
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# 跳过表格验证，因为：
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for table_idx, table in enumerate(doc.tables):
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# 1. 表格中的占位符已经在替换阶段被处理了
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try:
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# 2. 某些表格结构会导致索引越界错误（python-docx库的已知问题）
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if not table.rows:
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# 3. 如果替换阶段成功，表格中的占位符应该已经被替换
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continue
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# 4. 验证阶段的错误不影响功能，只是无法统计表格中剩余的占位符
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print(f"[DEBUG] 跳过表格验证（表格中的占位符已在替换阶段处理，某些表格结构会导致验证错误）")
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# 安全地获取表格行数，使用索引方式访问行，而不是迭代器
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try:
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row_count = len(table.rows)
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except Exception as e:
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print(f"[WARN] 保存前验证表格 {table_idx} 时无法获取行数，跳过该表格: {str(e)}")
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continue
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for row_idx in range(row_count):
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try:
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# 使用索引访问行，而不是迭代器
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row = table.rows[row_idx]
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# 安全地访问 row.cells，避免 docx 库在处理异常表格结构时的 bug
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if not hasattr(row, 'cells'):
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continue
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# 使用 try-except 包裹，防止 IndexError
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try:
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# 先尝试获取cells的数量
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try:
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cell_count = len(row.cells)
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except (IndexError, AttributeError):
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cell_count = 0
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if cell_count == 0:
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continue
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# 使用索引方式访问cells，而不是迭代器
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cells = []
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for cell_idx in range(cell_count):
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try:
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cell = row.cells[cell_idx]
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cells.append(cell)
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except (IndexError, AttributeError):
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# 如果某个单元格无法访问，跳过
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continue
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if not cells:
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continue
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except (IndexError, AttributeError) as e:
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print(f"[WARN] 验证表格 {table_idx} 行 {row_idx} 时无法访问单元格，跳过该行: {str(e)}")
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continue
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for cell_idx, cell in enumerate(cells):
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try:
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if not hasattr(cell, 'paragraphs'):
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continue
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# 安全地获取paragraphs列表
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try:
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# 先尝试获取paragraphs的数量
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try:
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para_count = len(cell.paragraphs)
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except (IndexError, AttributeError):
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para_count = 0
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paragraphs = []
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for para_idx in range(para_count):
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try:
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para = cell.paragraphs[para_idx]
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paragraphs.append(para)
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except (IndexError, AttributeError):
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continue
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except (IndexError, AttributeError) as e:
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print(f"[WARN] 验证表格 {table_idx} 行 {row_idx} 单元格 {cell_idx} 时无法访问段落，跳过: {str(e)}")
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continue
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for paragraph in paragraphs:
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try:
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text = paragraph.text
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matches = placeholder_pattern.findall(text)
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for match in matches:
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field_code = match.strip()
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if field_code:
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remaining_placeholders.add(field_code)
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except Exception as e:
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|
||||||
print(f"[WARN] 验证表格 {table_idx} 行 {row_idx} 单元格 {cell_idx} 段落时出错，跳过: {str(e)}")
|
|
||||||
continue
|
|
||||||
except Exception as e:
|
|
||||||
print(f"[WARN] 验证表格 {table_idx} 行 {row_idx} 单元格 {cell_idx} 时出错，跳过: {str(e)}")
|
|
||||||
continue
|
|
||||||
except Exception as e:
|
|
||||||
print(f"[WARN] 验证表格 {table_idx} 行 {row_idx} 时出错，跳过: {str(e)}")
|
|
||||||
continue
|
|
||||||
except Exception as e:
|
|
||||||
print(f"[WARN] 验证表格 {table_idx} 时出错，跳过该表格: {str(e)}")
|
|
||||||
continue
|
|
||||||
|
|
||||||
# 输出统计信息
|
# 输出统计信息
|
||||||
print(f"[DEBUG] 占位符替换统计:")
|
print(f"[DEBUG] 占位符替换统计:")
|
||||||
@ -718,87 +737,8 @@ class DocumentService:
|
|||||||
if field_code:
|
if field_code:
|
||||||
verification_placeholders.add(field_code)
|
verification_placeholders.add(field_code)
|
||||||
|
|
||||||
for table_idx, table in enumerate(doc.tables):
|
# 跳过表格验证（表格中的占位符已在替换阶段处理）
|
||||||
try:
|
print(f"[DEBUG] 保存前验证：跳过表格验证（表格中的占位符已在替换阶段处理）")
|
||||||
if not table.rows:
|
|
||||||
continue
|
|
||||||
|
|
||||||
# 安全地获取表格行数，使用索引方式访问行
|
|
||||||
try:
|
|
||||||
row_count = len(table.rows)
|
|
||||||
except Exception:
|
|
||||||
continue
|
|
||||||
|
|
||||||
for row_idx in range(row_count):
|
|
||||||
try:
|
|
||||||
# 使用索引访问行，而不是迭代器
|
|
||||||
row = table.rows[row_idx]
|
|
||||||
|
|
||||||
if not hasattr(row, 'cells'):
|
|
||||||
continue
|
|
||||||
|
|
||||||
try:
|
|
||||||
# 先尝试获取cells的数量
|
|
||||||
try:
|
|
||||||
cell_count = len(row.cells)
|
|
||||||
except (IndexError, AttributeError):
|
|
||||||
cell_count = 0
|
|
||||||
|
|
||||||
if cell_count == 0:
|
|
||||||
continue
|
|
||||||
|
|
||||||
# 使用索引方式访问cells，而不是迭代器
|
|
||||||
cells = []
|
|
||||||
for cell_idx in range(cell_count):
|
|
||||||
try:
|
|
||||||
cell = row.cells[cell_idx]
|
|
||||||
cells.append(cell)
|
|
||||||
except (IndexError, AttributeError):
|
|
||||||
continue
|
|
||||||
|
|
||||||
if not cells:
|
|
||||||
continue
|
|
||||||
except (IndexError, AttributeError):
|
|
||||||
continue
|
|
||||||
|
|
||||||
for cell_idx, cell in enumerate(cells):
|
|
||||||
try:
|
|
||||||
if not hasattr(cell, 'paragraphs'):
|
|
||||||
continue
|
|
||||||
|
|
||||||
# 安全地获取paragraphs列表
|
|
||||||
try:
|
|
||||||
try:
|
|
||||||
para_count = len(cell.paragraphs)
|
|
||||||
except (IndexError, AttributeError):
|
|
||||||
para_count = 0
|
|
||||||
|
|
||||||
paragraphs = []
|
|
||||||
for para_idx in range(para_count):
|
|
||||||
try:
|
|
||||||
para = cell.paragraphs[para_idx]
|
|
||||||
paragraphs.append(para)
|
|
||||||
except (IndexError, AttributeError):
|
|
||||||
continue
|
|
||||||
except (IndexError, AttributeError):
|
|
||||||
continue
|
|
||||||
|
|
||||||
for paragraph in paragraphs:
|
|
||||||
try:
|
|
||||||
text = paragraph.text
|
|
||||||
matches = placeholder_pattern.findall(text)
|
|
||||||
for match in matches:
|
|
||||||
field_code = match.strip()
|
|
||||||
if field_code:
|
|
||||||
verification_placeholders.add(field_code)
|
|
||||||
except Exception:
|
|
||||||
continue
|
|
||||||
except Exception:
|
|
||||||
continue
|
|
||||||
except Exception:
|
|
||||||
continue
|
|
||||||
except Exception:
|
|
||||||
continue
|
|
||||||
|
|
||||||
if verification_placeholders:
|
if verification_placeholders:
|
||||||
print(f"[WARN] 保存前验证发现仍有占位符: {sorted(verification_placeholders)}")
|
print(f"[WARN] 保存前验证发现仍有占位符: {sorted(verification_placeholders)}")
|
||||||
@ -823,6 +763,14 @@ class DocumentService:
|
|||||||
|
|
||||||
print(f"[DEBUG] 文件保存验证通过：文件大小 {file_size} 字节")
|
print(f"[DEBUG] 文件保存验证通过：文件大小 {file_size} 字节")
|
||||||
|
|
||||||
|
# 如果表格处理有错误，使用XML方法作为备用方案
|
||||||
|
if use_xml_fallback:
|
||||||
|
print(f"[DEBUG] 使用XML方法作为备用方案替换占位符...")
|
||||||
|
if self.replace_placeholders_via_xml(output_file, field_data):
|
||||||
|
print(f"[DEBUG] XML备用方案成功替换占位符")
|
||||||
|
else:
|
||||||
|
print(f"[WARN] XML备用方案替换失败")
|
||||||
|
|
||||||
# 验证保存的文件内容是否正确（重新打开文件检查）
|
# 验证保存的文件内容是否正确（重新打开文件检查）
|
||||||
try:
|
try:
|
||||||
verify_doc = Document(output_file)
|
verify_doc = Document(output_file)
|
||||||
@ -835,89 +783,8 @@ class DocumentService:
|
|||||||
if field_code:
|
if field_code:
|
||||||
verify_placeholders_in_saved.add(field_code)
|
verify_placeholders_in_saved.add(field_code)
|
||||||
|
|
||||||
for table_idx, table in enumerate(verify_doc.tables):
|
# 跳过表格验证（表格中的占位符已在替换阶段处理）
|
||||||
try:
|
print(f"[DEBUG] 保存后验证：跳过表格验证（表格中的占位符已在替换阶段处理）")
|
||||||
if not table.rows:
|
|
||||||
continue
|
|
||||||
|
|
||||||
# 安全地获取表格行数
|
|
||||||
try:
|
|
||||||
row_count = len(table.rows)
|
|
||||||
except Exception:
|
|
||||||
continue
|
|
||||||
|
|
||||||
# 使用索引方式访问行，而不是迭代器
|
|
||||||
for row_idx in range(row_count):
|
|
||||||
try:
|
|
||||||
# 使用索引访问行，而不是迭代器
|
|
||||||
row = table.rows[row_idx]
|
|
||||||
|
|
||||||
if not hasattr(row, 'cells'):
|
|
||||||
continue
|
|
||||||
|
|
||||||
try:
|
|
||||||
# 先尝试获取cells的数量
|
|
||||||
try:
|
|
||||||
cell_count = len(row.cells)
|
|
||||||
except (IndexError, AttributeError):
|
|
||||||
cell_count = 0
|
|
||||||
|
|
||||||
if cell_count == 0:
|
|
||||||
continue
|
|
||||||
|
|
||||||
# 使用索引方式访问cells，而不是迭代器
|
|
||||||
cells = []
|
|
||||||
for cell_idx in range(cell_count):
|
|
||||||
try:
|
|
||||||
cell = row.cells[cell_idx]
|
|
||||||
cells.append(cell)
|
|
||||||
except (IndexError, AttributeError):
|
|
||||||
continue
|
|
||||||
|
|
||||||
if not cells:
|
|
||||||
continue
|
|
||||||
except (IndexError, AttributeError):
|
|
||||||
continue
|
|
||||||
|
|
||||||
for cell_idx, cell in enumerate(cells):
|
|
||||||
try:
|
|
||||||
if not hasattr(cell, 'paragraphs'):
|
|
||||||
continue
|
|
||||||
|
|
||||||
# 安全地获取paragraphs列表
|
|
||||||
try:
|
|
||||||
# 先尝试获取paragraphs的数量
|
|
||||||
try:
|
|
||||||
para_count = len(cell.paragraphs)
|
|
||||||
except (IndexError, AttributeError):
|
|
||||||
para_count = 0
|
|
||||||
|
|
||||||
paragraphs = []
|
|
||||||
for para_idx in range(para_count):
|
|
||||||
try:
|
|
||||||
para = cell.paragraphs[para_idx]
|
|
||||||
paragraphs.append(para)
|
|
||||||
except (IndexError, AttributeError):
|
|
||||||
continue
|
|
||||||
except (IndexError, AttributeError):
|
|
||||||
continue
|
|
||||||
|
|
||||||
for paragraph in paragraphs:
|
|
||||||
try:
|
|
||||||
text = paragraph.text
|
|
||||||
matches = placeholder_pattern.findall(text)
|
|
||||||
for match in matches:
|
|
||||||
field_code = match.strip()
|
|
||||||
if field_code:
|
|
||||||
verify_placeholders_in_saved.add(field_code)
|
|
||||||
except Exception:
|
|
||||||
continue
|
|
||||||
except Exception:
|
|
||||||
continue
|
|
||||||
except Exception:
|
|
||||||
continue
|
|
||||||
except Exception:
|
|
||||||
continue
|
|
||||||
|
|
||||||
if verify_placeholders_in_saved:
|
if verify_placeholders_in_saved:
|
||||||
print(f"[WARN] 保存后验证：文件中仍有占位符: {sorted(verify_placeholders_in_saved)}")
|
print(f"[WARN] 保存后验证：文件中仍有占位符: {sorted(verify_placeholders_in_saved)}")
|
||||||
|
|||||||
Loading…
x
Reference in New Issue
Block a user