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hangbiao/app/export_xlsx.py
2026-09-22 10:48:18 +08:00

84 lines
3.0 KiB
Python

from __future__ import annotations
from io import BytesIO
from openpyxl import Workbook
from openpyxl.styles import Alignment, Font, PatternFill, Border, Side
def build_export(result: dict) -> bytes:
wb = Workbook()
thin = Border(
left=Side(style="thin", color="D9D1C3"),
right=Side(style="thin", color="D9D1C3"),
top=Side(style="thin", color="D9D1C3"),
bottom=Side(style="thin", color="D9D1C3"),
)
head = PatternFill("solid", fgColor="12233D")
head_font = Font(color="F4EFE6", bold=True)
wrap = Alignment(wrap_text=True, vertical="center")
first = True
for g in result["groups"]:
for t in g["targets"]:
title = f"{g['group']}-{t['name']}"[:31]
ws = wb.active if first else wb.create_sheet(title)
if first:
ws.title = title
first = False
ws.append(
["班级", "测算人数", "最近一次在线", "滤波期望", "下达指标", "保底下界", "冲刺上界", "相对最近一次"]
)
for cell in ws[1]:
cell.fill = head
cell.font = head_font
for row in t["classes"]:
ws.append(
[
row["class_name"],
row["n"],
row["current"],
row["expected"],
row["assigned"],
row["floor"],
row["stretch"],
row["delta"],
]
)
ws.append([])
ws.append(["说明:下达指标为预估中位水平,班级应努力超越该人数。保底/冲刺来自模拟分布的约20%/80%分位。"])
ws = wb.create_sheet("学生明细")
exams = result["exams"]
headers = ["学号", "姓名", "班级", "方向", "学籍", "选科"]
headers += [f"{e}-排名" for e in exams]
# collect target names
tcols = []
for g in result["groups"]:
for t in g["targets"]:
tcols.append((g["group"], t["id"], f"{g['group']}-{t['name']}概率"))
headers += [c[2] for c in tcols]
headers += ["滤波水平", "预测方差"]
ws.append(headers)
for cell in ws[1]:
cell.fill = head
cell.font = head_font
cell.alignment = wrap
for s in result["students"]:
row = [s["sid"], s["name"], s["class_name"], s["group"], s.get("status") or "", s.get("subjects") or ""]
ranks = s.get("ranks") or []
for i, _e in enumerate(exams):
row.append(ranks[i] if i < len(ranks) else None)
for gname, tid, _ in tcols:
if s["group"] == gname:
row.append((s.get("probs") or {}).get(tid))
else:
row.append(None)
row.append(s.get("pred_mean"))
row.append(s.get("pred_var"))
ws.append(row)
bio = BytesIO()
wb.save(bio)
return bio.getvalue()