近期天地图项目处理数据时由于原始数据质量较差，属性字段中多有全角字符，带来后期处理与开发不便，因此做了个属性全角换半角的脚本如下

经验：Unicode处理

# -*- coding: utf-8 -*-

__author__ = 'tanshuai'

import arcpy

from arcpy import env

fullCorner = ['０' , '１' , '２' , '３' , '４' ,

'５' , '６' , '７' , '８' , '９' ,

'Ａ' , 'Ｂ' , 'Ｃ' , 'Ｄ' , 'Ｅ' ,

'Ｆ' , 'Ｇ' , 'Ｈ' , 'Ｉ' , 'Ｊ' ,

'Ｋ' , 'Ｌ' , 'Ｍ' , 'Ｎ' , 'Ｏ' ,

'Ｐ' , 'Ｑ' , 'Ｒ' , 'Ｓ' , 'Ｔ' ,

'Ｕ' , 'Ｖ' , 'Ｗ' , 'Ｘ' , 'Ｙ' ,

'Ｚ' , 'ａ' , 'ｂ' , 'ｃ' , 'ｄ' ,

'ｅ' , 'ｆ' , 'ｇ' , 'ｈ' , 'ｉ' ,

'ｊ' , 'ｋ' , 'ｌ' , 'ｍ' , 'ｎ' ,

'ｏ' , 'ｐ' , 'ｑ' , 'ｒ' , 'ｓ' ,

'ｔ' , 'ｕ' , 'ｖ' , 'ｗ' , 'ｘ' ,

'ｙ' , 'ｚ' , '－' , '　' , '：' ,

'．' , '，' , '／' , '％' , '＃' ,

'！' , '＠' , '＆' , '（' , '）' ,

'＜' , '＞' , '＂' , '＇' , '？' ,

'［' , '］' , '｛' , '｝' , '＼' ,

'｜' , '＋' , '＝' , '＿' , '＾' ,

'￥' , '￣' , '｀']

halfCorner = ['0', '1', '2', '3', '4',

'5', '6', '7', '8', '9',

'A', 'B', 'C', 'D', 'E',

'F', 'G', 'H', 'I', 'J',

'K', 'L', 'M', 'N', 'O',

'P', 'Q', 'R', 'S', 'T',

'U', 'V', 'W', 'X', 'Y',

'Z', 'a', 'b', 'c', 'd',

'e', 'f', 'g', 'h', 'i',

'j', 'k', 'l', 'm', 'n',

'o', 'p', 'q', 'r', 's',

't', 'u', 'v', 'w', 'x',

'y', 'z', '-', ' ', ':',

'.', ',', '/', '%', '#',

'!', '@', '&', '(', ')',

'<', '>', '"', '\'','?',

'[', ']', '{', '}', '\\',

'|', '+', '=', '_', '^',

'¥','~', '`']

def replaceCharacter(fldValueText):

    for full in fullCorner:

        if fldValueText.find(full) > -1:

            index = fullCorner.index(full)

            half = halfCorner[index];

            fldValueText = fldValueText.replace(full, half)

    print fldValueText

    return fldValueText

env.workspace = "E:\\test2"

length = len(fullCorner)

cursor = arcpy.UpdateCursor("test3.shp")

try:

    for row in cursor:

        fieldList = arcpy.ListFields("test3.shp")

        for field in fieldList:

            if field.type == "String":

                value = row.getValue(field.name)

                valueTxt = value.encode('utf-8')

                if len(valueTxt) > 0:

                    print valueTxt

                    resultValue = replaceCharacter(valueTxt)

                    row.setValue(field.name, resultValue)

                    cursor.updateRow(row)

                    print resultValue

                else:

                    continue

except Exception,e:

    print("错误"+e)

finally:

    del row,cursor

print("complete!")