init: 博特维采购订单系统 v1.0 源码
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# -*- coding: utf-8 -*-
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"""按原 Excel 模板版式生成采购单 / 委外生产订单 PDF。"""
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import math
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import os
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from datetime import datetime
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from xml.sax.saxutils import escape
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from reportlab.lib import colors
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from reportlab.lib.enums import TA_CENTER, TA_LEFT
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from reportlab.lib.pagesizes import A4
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from reportlab.lib.styles import ParagraphStyle
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from reportlab.lib.units import mm
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from reportlab.pdfbase import pdfmetrics
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from reportlab.pdfbase.ttfonts import TTFont
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from reportlab.platypus import (BaseDocTemplate, Flowable, Frame, KeepTogether,
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LongTable, PageTemplate, Paragraph, Spacer,
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Table, TableStyle)
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from amount_cn import amount_to_cn
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from models import COMPANY_NAME, DOC_TYPES
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FONT_DIRS = [r"C:\Windows\Fonts", "/usr/share/fonts"]
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BODY_CANDIDATES = ["simsun.ttc", "STSONG.TTF", "simfang.ttf", "simkai.ttf", "Deng.ttf"]
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BOLD_CANDIDATES = ["simhei.ttf", "msyh.ttc", "msyhbd.ttc", "Dengb.ttf", "STXIHEI.TTF"]
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FONT_BODY = "CN-Body"
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FONT_BOLD = "CN-Bold"
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# 明细列宽比例，取自两个 xls 模板的实际列宽
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COL_RATIO = {
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"purchase": [1184, 3104, 6528, 3232, 2400, 2976, 2400, 3712, 1728],
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"outsourcing": [1184, 5440, 3392, 5408, 2400, 2976, 3840, 3712, 4736],
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}
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TERMS = [
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u"1、因供方交期延误，品质不良，规格不符或数量不准确等情况造成我公司损失，概由供应方承担。",
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u"2、供方所交材料均要求符合欧盟环境有害物质管理标准。",
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u"3、随货请附出货检验报告。",
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u"4、运输与保险：供方负责。",
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u"5、违约责任：按经济合同法等相关法律法规处置，供方延期交货，需方有权延期付款，延期付款时间为延期交货时间的2倍。",
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u"6、保密协定：供需双方保证对方的商业秘密。",
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u"7、合同生效：本合同一式两份，自双方签字盖章起生效，传真件签字盖章亦有效，订单手写无效。",
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u"8、售后服务与保修：如产品使用过程中发现质量问题，供方负责调换或退货，并赔偿相应损失，包含但不限于物料和返工费用。",
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]
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STATUS_WATERMARK = {
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"draft": u"草稿 · 未提交",
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"pending_review": u"待主管审核",
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"pending_approval": u"待经理批准",
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"rejected": u"已驳回 · 未生效",
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}
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SEAL_COLOR = colors.HexColor("#C8102E")
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def _arc_text(c, text, cx, cy, radius, start_deg, spread_deg, font, size):
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"""沿圆弧排字，用于印章上下缘。角度以度为单位，逆时针为正。"""
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if not text:
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return
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c.setFont(font, size)
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n = len(text)
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step = spread_deg / float(n - 1) if n > 1 else 0.0
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for i, ch in enumerate(text):
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ang = start_deg - i * step
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rad = math.radians(ang)
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c.saveState()
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c.translate(cx + radius * math.cos(rad), cy + radius * math.sin(rad))
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c.rotate(ang - 90)
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c.drawCentredString(0, 0, ch)
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c.restoreState()
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def _star(c, cx, cy, r_out, points=5, inner_ratio=0.382):
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"""画五角星（填充）。"""
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path = c.beginPath()
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for i in range(points * 2):
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r = r_out if i % 2 == 0 else r_out * inner_ratio
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ang = math.radians(90 + i * (180.0 / points))
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x = cx + r * math.cos(ang)
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y = cy + r * math.sin(ang)
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if i == 0:
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path.moveTo(x, y)
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else:
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path.lineTo(x, y)
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path.close()
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c.drawPath(path, stroke=0, fill=1)
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class SealFlowable(Flowable):
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"""红色圆形电子章：外圈 + 上缘公司名 + 五角星 + 中部用途 + 下缘审核人/日期。"""
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def __init__(self, company, title, who, when, size=28 * mm):
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Flowable.__init__(self)
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self.company = company or u""
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self.title = title or u"审核专用章"
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self.who = who or u""
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self.when = when or u""
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self.width = size
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self.height = size
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def draw(self):
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c = self.canv
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w, h = self.width, self.height
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cx, cy = w / 2.0, h / 2.0
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r = min(w, h) / 2.0 - 1.2 * mm
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c.saveState()
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c.setFillColor(SEAL_COLOR)
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c.setStrokeColor(SEAL_COLOR)
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c.setLineWidth(1.5)
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c.circle(cx, cy, r, stroke=1, fill=0)
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c.setLineWidth(0.5)
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c.circle(cx, cy, r - 1.1 * mm, stroke=1, fill=0)
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# 上缘公司名
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_arc_text(c, self.company, cx, cy, r - 3.2 * mm, 152, -124, FONT_BODY, 5.8)
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# 中心五角星
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_star(c, cx, cy + 2.4 * mm, 2.8 * mm)
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# 中部用途
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c.setFont(FONT_BOLD, 8.0)
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c.drawCentredString(cx, cy - 4.2 * mm, self.title)
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# 下缘审核人 + 日期
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line = u" ".join(x for x in (self.who, self.when) if x)
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if line:
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c.setFont(FONT_BODY, 5.4)
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c.drawCentredString(cx, cy - 9.0 * mm, line)
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c.restoreState()
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def _find_font(candidates):
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for d in FONT_DIRS:
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for name in candidates:
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p = os.path.join(d, name)
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if os.path.exists(p):
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return p
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return None
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def register_fonts():
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if FONT_BODY in pdfmetrics.getRegisteredFontNames():
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return
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body = _find_font(BODY_CANDIDATES)
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bold = _find_font(BOLD_CANDIDATES)
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if not body:
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raise RuntimeError(u"未找到中文字体，请确认系统已安装宋体或黑体")
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pdfmetrics.registerFont(TTFont(FONT_BODY, body, subfontIndex=0))
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pdfmetrics.registerFont(TTFont(FONT_BOLD, bold or body, subfontIndex=0))
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def _fmt_money(v):
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try:
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return "{:,.2f}".format(float(v or 0))
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except (TypeError, ValueError):
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return "0.00"
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def _fmt_num(v):
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try:
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return "{:g}".format(round(float(v or 0), 4))
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except (TypeError, ValueError):
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return ""
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def P(text, style):
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"""转义后生成 Paragraph，避免 & < > 破坏 XML。"""
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s = escape(u"" if text is None else str(text)).replace("\n", "<br/>")
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return Paragraph(s or " ", style)
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def build_pdf(order, items, out_path, watermark=None):
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register_fonts()
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if watermark is None:
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watermark = STATUS_WATERMARK.get(order.status)
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page_w, page_h = A4
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margin_x = 11 * mm
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doc = BaseDocTemplate(out_path, pagesize=A4,
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leftMargin=margin_x, rightMargin=margin_x,
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topMargin=11 * mm, bottomMargin=16 * mm,
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title=u"%s %s" % (order.doc_type_text, order.order_no),
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author=COMPANY_NAME)
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frame = Frame(margin_x, 16 * mm, page_w - 2 * margin_x,
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page_h - 27 * mm, id="body", showBoundary=0)
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counters = {"total": 0}
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def on_page(canvas, doc_):
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canvas.saveState()
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canvas.setFont(FONT_BODY, 8)
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canvas.setFillColor(colors.HexColor("#666666"))
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footer = u"%s %s 第 %d 页 / 共 %d 页 打印时间 %s" % (
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order.doc_type_text, order.order_no, doc_.page,
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counters["total"] or doc_.page,
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datetime.now().strftime("%Y-%m-%d %H:%M"))
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canvas.drawCentredString(page_w / 2.0, 10 * mm, footer)
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canvas.setStrokeColor(colors.HexColor("#BBBBBB"))
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canvas.setLineWidth(0.4)
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canvas.line(margin_x, 13 * mm, page_w - margin_x, 13 * mm)
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if watermark:
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canvas.setFont(FONT_BOLD, 34)
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canvas.setFillColor(colors.Color(0.85, 0.15, 0.15, alpha=0.15))
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canvas.saveState()
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canvas.translate(page_w / 2.0, page_h / 2.0)
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canvas.rotate(28)
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canvas.drawCentredString(0, 0, watermark)
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canvas.restoreState()
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canvas.restoreState()
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doc.addPageTemplates([PageTemplate(id="main", frames=[frame], onPage=on_page)])
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styles = {
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"title": ParagraphStyle("title", fontName=FONT_BOLD, fontSize=17, leading=22,
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alignment=TA_CENTER),
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"company": ParagraphStyle("company", fontName=FONT_BOLD, fontSize=12.5, leading=17,
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alignment=TA_CENTER),
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"cell": ParagraphStyle("cell", fontName=FONT_BODY, fontSize=8.6, leading=11.5,
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alignment=TA_LEFT),
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"cell_c": ParagraphStyle("cell_c", fontName=FONT_BODY, fontSize=8.6, leading=11.5,
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alignment=TA_CENTER),
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"th": ParagraphStyle("th", fontName=FONT_BOLD, fontSize=9, leading=12,
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alignment=TA_CENTER),
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"term": ParagraphStyle("term", fontName=FONT_BODY, fontSize=8.8, leading=13.5),
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"sign": ParagraphStyle("sign", fontName=FONT_BODY, fontSize=9.5, leading=15),
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}
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def make_story():
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story = []
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story.append(P(COMPANY_NAME, styles["company"]))
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story.append(Spacer(1, 3 * mm))
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story.append(P(order.doc_type_text or DOC_TYPES.get(order.doc_type, u""),
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styles["title"]))
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story.append(Spacer(1, 4 * mm))
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# ---------- 抬头区 ----------
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left_rows = [
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(u"供应商：", order.supplier_name),
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(u"联系人：", order.supplier_contact),
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(u"电 话：", order.supplier_phone),
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(u"付款方式：", order.payment_terms),
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(u"税 号：", order.supplier_tax_no),
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(u"银行帐号：", order.supplier_bank_account),
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(u"开户银行：", order.supplier_bank_name),
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]
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right_rows = [
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(u"需 方：", order.our_company),
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(u"联系人：", order.our_contact),
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(u"电 话：", order.our_phone),
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(u"税 点：", order.tax_rate),
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(u"税 号：", order.our_tax_no),
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(u"采购单号：", order.order_no),
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(u"采购日期：", order.order_date),
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]
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head_data = [[P(l1 + (v1 or ""), styles["cell"]), P(l2 + (v2 or ""), styles["cell"])]
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for (l1, v1), (l2, v2) in zip(left_rows, right_rows)]
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head = Table(head_data, colWidths=[93 * mm, 93 * mm], rowHeights=[6.6 * mm] * 7)
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head.setStyle(TableStyle([
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("GRID", (0, 0), (-1, -1), 0.5, colors.HexColor("#333333")),
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("VALIGN", (0, 0), (-1, -1), "MIDDLE"),
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("LEFTPADDING", (0, 0), (-1, -1), 4),
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("RIGHTPADDING", (0, 0), (-1, -1), 4),
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("TOPPADDING", (0, 0), (-1, -1), 1.5),
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("BOTTOMPADDING", (0, 0), (-1, -1), 1.5),
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]))
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story.append(head)
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story.append(Spacer(1, 4 * mm))
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# ---------- 明细表 ----------
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ratio = COL_RATIO.get(order.doc_type, COL_RATIO["purchase"])
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total_w = 186 * mm
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s = float(sum(ratio))
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col_w = [total_w * r / s for r in ratio]
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# 序号列保底宽度，避免表头换行；差值从最宽的规格列扣除
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min_first = 9 * mm
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if col_w[0] < min_first:
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col_w[2] -= (min_first - col_w[0])
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col_w[0] = min_first
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headers = [u"序号", u"物料代码", u"物料规格", u"单位", u"数量", u"含税单价",
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u"金额", u"交期", u"备注"]
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data = [[P(h, styles["th"]) for h in headers]]
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total = 0.0
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for idx, it in enumerate(items, 1):
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total += float(it.amount or 0)
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data.append([
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P(str(idx), styles["cell_c"]),
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P(it.material_code, styles["cell"]),
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P(it.material_spec, styles["cell"]),
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P(it.unit, styles["cell_c"]),
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P(_fmt_num(it.qty), styles["cell_c"]),
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P(_fmt_money(it.price), styles["cell_c"]),
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P(_fmt_money(it.amount), styles["cell_c"]),
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P(it.delivery_date, styles["cell_c"]),
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P(it.remark, styles["cell"]),
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])
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while len(data) - 1 < 5:
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data.append([P("", styles["cell"]) for _ in range(9)])
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detail = LongTable(data, colWidths=col_w, repeatRows=1)
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detail.setStyle(TableStyle([
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("GRID", (0, 0), (-1, -1), 0.5, colors.HexColor("#333333")),
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("BACKGROUND", (0, 0), (-1, 0), colors.HexColor("#EFEFEF")),
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("VALIGN", (0, 0), (-1, -1), "MIDDLE"),
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("LEFTPADDING", (0, 0), (-1, -1), 3),
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("RIGHTPADDING", (0, 0), (-1, -1), 3),
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("TOPPADDING", (0, 0), (-1, -1), 3),
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("BOTTOMPADDING", (0, 0), (-1, -1), 3),
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]))
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story.append(detail)
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# ---------- 合计区 ----------
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cn_total = amount_to_cn(total)
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sum_data = [
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[P(u"合计（小写）", styles["cell"]), P("", styles["cell"]), P("", styles["cell"]),
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P(_fmt_money(total), styles["cell_c"])] + [P("", styles["cell"]) for _ in range(5)],
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[P(u"合计（人民币)", styles["cell"]), P("", styles["cell"]),
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P(cn_total, styles["cell_c"])] + [P("", styles["cell"]) for _ in range(4)] +
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[P(u"元整", styles["cell"]), P("", styles["cell"])],
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]
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sum_t = Table(sum_data, colWidths=col_w, rowHeights=[7.5 * mm, 7.5 * mm])
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sum_t.setStyle(TableStyle([
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("GRID", (0, 0), (-1, -1), 0.5, colors.HexColor("#333333")),
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("SPAN", (0, 0), (2, 0)),
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("SPAN", (3, 0), (8, 0)),
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("SPAN", (0, 1), (1, 1)),
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("SPAN", (2, 1), (6, 1)),
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("SPAN", (7, 1), (8, 1)),
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("VALIGN", (0, 0), (-1, -1), "MIDDLE"),
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("LEFTPADDING", (0, 0), (-1, -1), 4),
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("RIGHTPADDING", (0, 0), (-1, -1), 4),
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]))
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story.append(sum_t)
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story.append(Spacer(1, 3 * mm))
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# ---------- 备注条款 ----------
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terms_block = [P(u"备注：", styles["term"])]
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for t in TERMS:
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terms_block.append(P(t, styles["term"]))
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if order.delivery_place:
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terms_block.append(P(u"9、交货地点：%s" % order.delivery_place, styles["term"]))
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if order.note:
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terms_block.append(P(u"补充说明：%s" % order.note, styles["term"]))
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story.append(KeepTogether(terms_block))
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story.append(Spacer(1, 8 * mm))
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# ---------- 签署区 ----------
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def stamp(name, dt):
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return (u"%s %s" % (name, dt.strftime("%Y-%m-%d %H:%M"))) if dt else (name or u"待处理")
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sign_line = u"制单：%s 主管审核：%s 经理批准：%s" % (
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stamp(order.created_by_name, order.created_at),
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stamp(order.reviewed_by, order.reviewed_at),
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stamp(order.approved_by, order.approved_at))
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confirm_line = (u"供方确认（盖章）：__________________ "
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u"需方确认（盖章）：__________________")
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# 已审核 / 已批准 → 在签署区右侧盖章（两枚时并排）
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seals = []
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if order.reviewed_by:
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seals.append(SealFlowable(
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order.our_company or COMPANY_NAME, u"审核专用章", order.reviewed_by,
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order.reviewed_at.strftime("%Y-%m-%d") if order.reviewed_at else u""))
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if order.approved_by:
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seals.append(SealFlowable(
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order.our_company or COMPANY_NAME, u"批准专用章", order.approved_by,
|
||||
order.approved_at.strftime("%Y-%m-%d") if order.approved_at else u""))
|
||||
if seals:
|
||||
if len(seals) == 1:
|
||||
seal_cell = seals[0]
|
||||
else:
|
||||
inner = Table([seals], colWidths=[29 * mm, 29 * mm])
|
||||
inner.setStyle(TableStyle([
|
||||
("VALIGN", (0, 0), (-1, -1), "CENTER"),
|
||||
("LEFTPADDING", (0, 0), (-1, -1), 0),
|
||||
("RIGHTPADDING", (0, 0), (-1, -1), 0),
|
||||
("TOPPADDING", (0, 0), (-1, -1), 0),
|
||||
("BOTTOMPADDING", (0, 0), (-1, -1), 0),
|
||||
]))
|
||||
seal_cell = inner
|
||||
sign_tbl = Table(
|
||||
[[P(sign_line, styles["sign"]), seal_cell],
|
||||
[P(confirm_line, styles["sign"]), P("", styles["sign"])]],
|
||||
colWidths=[128 * mm, 58 * mm])
|
||||
sign_tbl.setStyle(TableStyle([
|
||||
("VALIGN", (0, 0), (0, -1), "TOP"),
|
||||
("VALIGN", (1, 0), (1, -1), "CENTER"),
|
||||
("LEFTPADDING", (0, 0), (-1, -1), 0),
|
||||
("RIGHTPADDING", (0, 0), (-1, -1), 0),
|
||||
("TOPPADDING", (0, 0), (-1, -1), 0),
|
||||
("BOTTOMPADDING", (0, 0), (-1, -1), 0),
|
||||
]))
|
||||
story.append(KeepTogether(sign_tbl))
|
||||
else:
|
||||
story.append(P(sign_line, styles["sign"]))
|
||||
story.append(Spacer(1, 3 * mm))
|
||||
story.append(P(confirm_line, styles["sign"]))
|
||||
return story
|
||||
|
||||
doc.build(make_story())
|
||||
counters["total"] = doc.page
|
||||
doc.build(make_story())
|
||||
return out_path
|
||||
Reference in New Issue
Block a user