import arcpy
import math

def zhname(gc,zh):
    try:
        zh1 = zh.replace('.000','')
    except:
        zh1 = zh
    str1 = zh1 + ' ' + str(gc)
    return str1

def dmname():
    dmxpath = r'D:\4work_now\20241017dm\20241129\hltdm2\dmx.shp'
    dmdpath = r'D:\4work_now\20241017dm\20241129\hltdm2\dmd.shp'
    arcpy.MakeFeatureLayer_management(dmxpath, 'DMshp')
    arcpy.MakeFeatureLayer_management(dmdpath, 'DMDshp')

    arcpy.AddField_management('DMshp', 'ZH_1', 'TEXT')
    with arcpy.da.UpdateCursor('DMshp',['SHAPE@','ZH','ZH_1']) as cursorA:
        for curA in cursorA:
            zh = curA[1]
            if ' ' in zh:
                str2 = zh
            else:
                line1 = curA[0]
                buf1 = line1.buffer(0.5)
                arcpy.SelectLayerByLocation_management('DMDshp','WITHIN',buf1)
                pc = int(arcpy.GetCount_management('DMDshp')[0])
                if pc == 0:
                    curA[2] = zh
                    cursorA.updateRow(curA)
                    print('2')
                else:
                    list1 = []
                    minnum = 9999
                    gc = 0
                    with arcpy.da.SearchCursor('DMDshp',['SHAPE@','LJ','height']) as cursorAA:
                        for curAA in cursorAA:
                            lj = curAA[1]
                            if lj < minnum:
                                minnum = lj
                                gc = curAA[2]

                    str2 = zhname(gc,zh)
                    curA[2] = str2
                    cursorA.updateRow(curA)
                    print('1')



if __name__ == '__main__':
    try:
        dmname()
    except arcpy.ExecuteError:
        arcpy.AddMessage (arcpy.GetMessages())