arcpy获取图层属性信息

import requests
import json

agisurl = "http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/Demographics/ESRI_Census_USA/MapServer/1"
payload = { 'where': 'STATE_FIPS = \'48\' and CNTY_FIPS = \'021\'','returnCountyOnly': 'false', 
            'returnIdsOnly': 'false', 'returnGeometry': 'false',  
            'f': 'pjson'}

r = requests.get(agisurl, params=payload)
#r = requests.get(agisurl)
#print(r.text)

decoded = json.loads(r.text)
print("The layer name is: " + decoded['name'])
print("The xmin: " + str(decoded['extent']['xmin']))
print("The xmax: " + str(decoded['extent']['xmax']))
print("The ymin: " + str(decoded['extent']['ymin']))
print("The ymax: " + str(decoded['extent']['xmax']))
print("The fields in this layer: ")
for rslt in decoded['fields']:
    print(rslt['name'])
要使用arcpy读取属性表,可以使用arcpy.SearchCursor函数。首先,你需要指定要读取的要素类或图层。然后,使用SearchCursor函数创建一个游标对象,该对象可以用于遍历要素类中的每一行。在循环中,你可以使用row.getValue("字段名")来获取每一行的属性值。下面是一个示例代码: ```python import arcpy # 指定要读取的要素类或图层 zone = 'zone31' # 创建游标对象 rows = arcpy.SearchCursor(zone) # 遍历每一行并获取属性值 for row in rows: value = row.getValue("字段名") print(value) ``` 请注意,你需要将"字段名"替换为你要读取的属性字段的名称。这样,你就可以使用arcpy来读取属性表了。\[2\] #### 引用[.reference_title] - *1* [Arcpy之要素字段属性获取并写入xls](https://blog.youkuaiyun.com/u014685432/article/details/127889046)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^control_2,239^v3^insert_chatgpt"}} ] [.reference_item] - *2* [学习记录:在ArcGIS中利用arcpy获取属性内容](https://blog.youkuaiyun.com/weixin_46506178/article/details/122272780)[target="_blank" data-report-click={"spm":"1018.2226.3001.9630","extra":{"utm_source":"vip_chatgpt_common_search_pc_result","utm_medium":"distribute.pc_search_result.none-task-cask-2~all~insert_cask~default-1-null.142^v91^control_2,239^v3^insert_chatgpt"}} ] [.reference_item] [ .reference_list ]
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