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object_out_excel.py
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# -*- coding: utf-8 -*-
import xlwt
def excel_style():
alignmentVertical=xlwt.Alignment() #垂直居中
alignmentVertical.vert=xlwt.Alignment.VERT_CENTER
alignmentHorz=xlwt.Alignment() #水平居中
alignmentHorz.horz=xlwt.Alignment.HORZ_CENTER
styleVerticalHora = xlwt.Alignment() #垂直水平居中
styleVerticalHora.vert=xlwt.Alignment.VERT_CENTER
styleVerticalHora.horz=xlwt.Alignment.HORZ_CENTER
alignmentWrap = xlwt.Alignment() #自动换行并垂直居中
alignmentWrap.wrap = xlwt.Alignment.WRAP_AT_RIGHT
alignmentWrap.vert=xlwt.Alignment.VERT_CENTER
#index=0 字体230大小 加粗 用于表头
styleFont = xlwt.XFStyle()
font = xlwt.Font()
font.height=230
font.bold=True
styleFont.font=font
#index=1 垂直居中
styleVerticalCenter=xlwt.XFStyle()
styleVerticalCenter.alignment=alignmentVertical
#index=2 换行并垂直居中
styleWordWrap = xlwt.XFStyle()
styleWordWrap.alignment=alignmentWrap
#index=3 时间格式化并垂直居中并靠左
styleDate = xlwt.XFStyle()
styleDate.num_format_str='YYYY-MM-DD hh:mm'
styleDate.alignment=alignmentVertical
styleDate.alignment.horz=xlwt.Alignment.HORZ_LEFT
return {0:styleFont,1:styleVerticalCenter,2:styleWordWrap,3:styleDate}
def dict_out_excel(orders,columnList,sheetName="Sheet1"):
styleDict=excel_style()
file = xlwt.Workbook(encoding='utf-8')
table = file.add_sheet(sheetName,cell_overwrite_ok=True)
row=0
#合计处理
total={'colIndex':[],'operation':[],'val':[],'title':None}
def total_dispose(i,valList,total=total):
if i in total['colIndex']:
index=total['colIndex'].index(i)
op=total['operation'][index]
if op=='+':
for val in valList:
total['val'][index]+=val if type(val) in [int,float] else 0
#写入表头
for i,th in enumerate(columnList):
header=th.get("header")
if header:
style=styleDict.get(header.get("style")) if type(header.get("style"))==int else header.get("style")
table.write(0,i,header.get("title",""),style)
if header.get("width",0)>0:
table.col(i).width=header["width"]
row=1
elif th.get("total"):
for coli in th["total"]["colIndex"]:
total["colIndex"].append(coli)
total["operation"].append("+")
total["val"].append(0)
total["title"]=th["total"]["title"] if th["total"].get("title") else ""
columnList.remove(th)
#写入正文
for ord in orders:
rowDataList=[]
maxMergeNum=0 #记录最大合并数
for ci,th in enumerate(columnList):
field=th["field"]
style=styleDict.get(th.get("style")) if type(th.get("style"))==int else th.get("style")
valList=[]
if type(field)==str:
obj=ord
for fie in field.split("."):
obj=obj.get(fie)
if obj==None:
break
valList=[obj]
elif type(field)==dict:
model=field['model']
if model in ["operation","item"]:
opVal=[]
vListNum=1
for col in field['col']:
colSplit=col.split(".")
if len(colSplit)>2:
raise Exception("Can't handle more than 2 levels of nesting(%s:%s)"%(model,col))
obj=ord.get(colSplit[0])
if obj in [None,[],{}]:
opVal.append(0)
elif type(obj)==dict:
obj=obj.get(colSplit[1])
elif type(obj)==list:
vListNum=len(obj)
vList=[]
for ob in obj:
vList.append(ob.get(colSplit[1]))
obj=vList
opVal.append(obj)
#填冲数组 方便运算
for i in range(len(opVal)):
if type(opVal[i])!=list:
opVal[i]=[opVal[i] for x in range(vListNum)]
opIndex=0 #标识运算符或连接符下标
if model=="operation":
while 1:
if len(opVal)==1:
break
nowOp=field["operation"][opIndex]
if nowOp=="+":
for i in range(vListNum):
opVal[1][i]=opVal[0][i]+opVal[1][i]
elif nowOp=="-":
for i in range(vListNum):
opVal[1][i]=opVal[0][i]-opVal[1][i]
elif nowOp=="*":
for i in range(vListNum):
opVal[1][i]=opVal[0][i]*opVal[1][i]
elif nowOp in ["/","%"]:
for i in range(vListNum):
if opVal[1][i]!=0:
if nowOp=="/":
opVal[1][i]=opVal[0][i]/opVal[1][i]
else:
opVal[1][i]=opVal[0][i]%opVal[1][i]
else:
opVal[1][i]=0
opVal.pop(0)
opIndex+=1
elif model=="item":
join=field.get("join",["" for x in range(vListNum)])
while 1:
if len(opVal)==1:
break
j=join[opIndex]
for i in range(vListNum):
opVal[1][i]="%s%s%s"%(opVal[0][i],j,opVal[1][i])
opVal.pop(0)
opIndex+=1
valList=[v for v in opVal[0]]
elif model=="join":
opVal=[]
for col in field["col"]:
obj=ord
for fie in col.split("."):
obj=obj.get(fie)
opVal.append(obj)
join=field.get("join")
if join:
for i in range(len(opVal)-1):
if i>len(join)-1:
j=join[-1]
else:
j=join[i]
opVal[1]="%s%s%s"%(opVal[0],j,opVal[1])
opVal.pop(0)
else:
opVal[0]="".join(opVal)
valList=[opVal[0]]
if maxMergeNum<len(valList):
rowDataList.insert(0,{"merge":len(valList),"col":ci,"val":valList,"style":style})
maxMergeNum=len(valList)
else:
rowDataList.append({"merge":len(valList),"col":ci,"val":valList,"style":style})
total_dispose(ci,valList)
mergeNum=rowDataList[0]["merge"]
for rd in rowDataList:
if rd["merge"]<mergeNum:
rd["val"]=[str(v) if v!=None else "" for v in rd["val"]]
table.write_merge(row,row+mergeNum-1,rd["col"],rd["col"],"\n".join(rd["val"]),rd["style"])
else:
for i,v in enumerate(rd["val"]):
v=str(v) if v!=None else ""
table.write(row+i,rd["col"],v,rd["style"])
row+=mergeNum
if total["title"]!=None:
table.write(row,0,total['title'])
for i in total['colIndex']:
index=total['colIndex'].index(i)
v=total['val'][index]
table.write(row,i,v)
return file
#测试
columnList=[
{"field":"status.name","style":1,"header":{"title":"A","width":3000,"style":0}},
{"field":{"model":"item","field":"items","col":["a","items.goods_num","b"],"join":["*","/"]},"style":2,"header":{"title":"B","width":10000,"style":0}},
{"field":{"model":"operation","col":["a","items.goods_num","b"],"operation":["*","/"]},"style":2,"header":{"title":"C","width":10000,"style":0}},
{"field":"a","style":1,"header":{"title":"D","width":3000,"style":0}},
{"field":{"model":"join","col":["a","b","status.name"],"join":["-","*"]},"style":1,"header":{"title":"E","width":3000,"style":0}},
{"total":{"title":"合计","colIndex":[2,3]}}
]
orders=[
{"a":1,"status":{"name":"a"},"b":2,"items":[{"goods_num":3,"price":5},{"goods_num":4,"price":6}]},
{"a":2,"status":{"name":"b"},"b":3,"items":[{"goods_num":4,"price":6},{"goods_num":5,"price":7}]}
]
file=dict_out_excel(orders,columnList)
import os
i=1
while 1:
if os.path.isfile("e:/%s.xls"%i):
i+=1
else:
break
file.save("e:/%s.xls"%i)