Commit 60823fc

committed

Update 07-常用函数.md

1 parent 087cd15 commit 60823fcCopy full SHA for 60823fc

File tree

+18

-0

lines changed

+18

-0

lines changed

Lines changed: 18 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -255,6 +255,24 @@ df3 = pd.json_normalize(data, max_level=2)`
`255`	`255`
`256`	`256`	`# 取最后一个层级作为列名`
`257`	`257`	`df3.columns = [i.split('.')[-1] if len(i.split('.'))>1 else i for i in df3.columns]`
	`258`	`+`
	`259`	`+`
	`260`	`+# 批量解析(仅适用于统一格式)`
	`261`	`+df1 = []`
	`262`	`+for i in df0["data"]:`
	`263`	`+ i_data = eval(i)`
	`264`	`+ i_res = pd.json_normalize(i_data, max_level=9)`
	`265`	`+ df1.append(i_res)`
	`266`	`+df2 = pd.concat(df1)`
	`267`	`+`
	`268`	`+# 同一个json解析出多行,并关联主键`
	`269`	`+df1 = []`
	`270`	`+for i in df.index:`
	`271`	`+ i_data = pd.DataFrame(json.loads(df.loc[i, 'data_json']))`
	`272`	`+ i_data['case_number'] = df.loc[i, 'case_number']`
	`273`	`+ i_res = i_data[['case_number', 'imei', 'name']]`
	`274`	`+ df1.append(i_res)`
	`275`	`+df2 = pd.concat(df1).reset_index(drop=True)`
`258`	`276`	```
`259`	`277`
`260`	`278`	`<br/>`

Comments

(0)