本文实例讲述了Python SQL查询并生成json文件操作。分享给大家供大家参考，具体如下：
1. 数据准备
SQL数据点击此处本站下载。
2. python代码
|
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
|
import datetime import osimport mssqlhelperms = mssqlhelper.MSSQL(host="192.168.0.108", user="sa", pwd="sa", db="ComPrject")def getAreas(cityid): arealist=ms.ExecQuery("select *From dbo.areas where cityid='%s' " % cityid) return arealistdef getCity(provinces): citylist=ms.ExecQuery("select *From dbo.cities where provinceid='%s'" % provinces) return citylistdef getProvinces(): provlist=ms.ExecQuery("select *From dbo.provinces") return provlistdef createFileJson(): date=datetime.datetime.now().strftime('%Y-%m-%d') path=date+'-provinces.json' return pathdef writeJson(path): provlist=getProvinces() with open(path,"w+",encoding="utf-8") as f: f.write("[") lp = 0 for p in provlist: if lp>0: f.write(",\n") else: f.write("\n") f.write("{\n") f.write('"Code":"%s"\n'% p[1]) f.write(',"Name":"%s"\n'% p[2]) f.write(',Nodes:[\n') citylist=getCity(p[1]) lc = 0 for c in citylist: if lc>0: f.write("\t,\n") else: f.write("\n") f.write("\t{\n") f.write('\t"Code":"%s"\n'% c[1]) f.write('\t,"Name":"%s"\n'% c[2]) f.write('\t,Nodes:[\n') arealist = getAreas(c[1]) la = 0 for a in arealist: if la>0: f.write("\t\t,\n") else: f.write("\n") f.write("\t\t{\n") f.write('\t\t"Code":"%s"\n'% a[1]) f.write('\t\t,"Name":"%s"\n'% a[2]) f.write("\t\t}\n") la += 1 f.write("\t]\n") f.write("\t}\n") lc += 1 f.write("]\n") f.write("}\n") lp += 1 f.write("]\n")if __name__ == '__main__': path=createFileJson() writeJson(path) |
3.生成预览
希望本文所述对大家Python程序设计有所帮助。
原文链接：https://www.cnblogs.com/linsu/p/8808914.html
