arcgis python获得字段唯一值

# Import native arcgisscripting module
import arcgisscripting, sys
# Create the geoprocessor object
gp = arcgisscripting.create(9.3)

# Table and field name inputs
inTable = sys.argv[1]
inField = sys.argv[2]

rows = gp.SearchCursor(inTable)
row = rows.Next()
# Create an empty list
uniqueList = []
while row:
    # If the value is not already in the list, append it
    if row.GetValue(inField) not in uniqueList:
        uniqueList.append(row.GetValue(inField))
    row = rows.Next()
# Sort the list alphanumerically
uniqueList.sort()
print uniqueList

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# -*- coding: cp936 -*-
import arcpy

import os
import sys
inTable  = arcpy.GetParameterAsText(0)
inField  = arcpy.GetParameterAsText(1)

rows = arcpy.SearchCursor(inTable)

# Create an empty list gisoracle
uniqueList = []
for row in rows: 

    # If the value is not already in the list, append it
    if row.getValue(inField) not in uniqueList:
        uniqueList.append(row.getValue(inField))
    
# Sort the list alphanumerically    
#uniqueList.sort()
arcpy.AddMessage("个数: " + str(len(uniqueList)))

# -*- coding: cp936 -*-
import arcpy

import os
import sys
def getuniqueValue(inTable,inField):
    rows = arcpy.SearchCursor(inTable)
    # Create an empty list
    uniqueList = []
    for row in rows:
        # If the value is not already in the list, append it by gisoracle
        if row.getValue(inField) not in uniqueList:
            uniqueList.append(row.getValue(inField))
    return uniqueList
    
inTable  = arcpy.GetParameterAsText(0)
inField  = arcpy.GetParameterAsText(1)
uniqueList=getuniqueValue(inTable,inField)

arcpy.AddMessage("个数: " + str(len(uniqueList)))

分类: Python