import arcpy
import math

def LZDpoly(zdshp):
    arcpy.MakeFeatureLayer_management(zdshp, 'ZD')
    # 在外面写个字典
    zd = {'公路用地': 'GLYD', '特殊用地': 'TSYD', '公用设施用地': 'GYSS', '交通服务场站用地': 'JTFW', '沟渠': 'GQ',
          '灌木林地': 'GMLD', '其他林地': 'QTLD', '乔木林地': 'QMLD', '竹林地': 'ZLD', '果园': 'GY', '旱地': 'HD', 
          '河流水面': 'HLSM', '坑塘水面': 'KTSM', '养殖坑塘': 'YZKT', '农村道路': 'NCDL', '农村宅基地': 'NCZJD', 
          '其他草地': 'QTCD', '其他园地': 'QTYD', '设施农用地': 'SSNYD', '水田': 'ST'}
    arcpy.AddField_management('ZD', 'dl', 'TEXT')
    with arcpy.da.UpdateCursor('ZD', ['SHAPE@', '宗地编码','DLMC','dl']) as cursorA:
        for curA in cursorA:
            zdbh = curA[1]
            dlmc = curA[2]
            if dlmc == '' or dlmc == ' ' or dlmc == None:
                curA[3] = zdbh
            else:
                str1 = zd[dlmc]
                curA[3] = str1
            cursorA.updateRow (curA)

if __name__ == '__main__':
    try:
        # 输入宗地shp
        LZDpoly(r'D:\2work_now\20221026\test\testLZD1.shp')
    except arcpy.ExecuteError:
        arcpy.AddMessage(arcpy.GetMessages())