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  • python读取shp文件属性值

    python读取shp文件属性值并保存到csv

    使用shapefile库

    pip安装shapefile

    (E:\Anaconda3\install1) C:\Users\luo>
    (E:\Anaconda3\install1) C:\Users\luo>
    (E:\Anaconda3\install1) C:\Users\luo>activate wind_2021
    
    (wind_2021) C:\Users\luo>
    (wind_2021) C:\Users\luo>
    (wind_2021) C:\Users\luo>
    (wind_2021) C:\Users\luo>
    (wind_2021) C:\Users\luo>pip install pyshp
    Collecting pyshp
      Downloading pyshp-2.1.3.tar.gz (219 kB)
         |████████████████████████████████| 219 kB 1.1 MB/s
    Building wheels for collected packages: pyshp
      Building wheel for pyshp (setup.py) ... done
      Created wheel for pyshp: filename=pyshp-2.1.3-py3-none-any.whl size=37263 sha256=e33f542c2231f5821d9b5ed1364d4f6c237537789ac6570fd2e98b92ed9b109e
      Stored in directory: c:\users\luo\appdata\local\pip\cache\wheels\1f\1b\b5\54affbefc8a7e2bdf1da000fc576b8a1c91338f1f327a04f4c
    Successfully built pyshp
    Installing collected packages: pyshp
    Successfully installed pyshp-2.1.3
    
    (wind_2021) C:\Users\luo>
    (wind_2021) C:\Users\luo>
    (wind_2021) C:\Users\luo>
    (wind_2021) C:\Users\luo>
    # -*- coding: utf-8 -*-
    import os
    import shapefile
    import csv
    
    csvFile = open('2022011203.csv','w')
    csvFileWriter = csv.writer(csvFile)
    
    #csvData=[]
    
    def closeCsvFile():
        csvFile.close()
    
    def readShpFile(filePath):
        sf = shapefile.Reader(filePath,encoding='gb18030')
        shapes = sf.shapes()
        print(len(shapes))
        
        print(sf.numRecords)
        recds = sf.records()
    
        print("===========================")
        for i in range(sf.numRecords):
            index_record = sf.record(i)
            #print(index_record)
            print(index_record[4])
    
            row_data = []
            row_data.append(index_record[4])
            #csvData.append(row_data)
            csvFileWriter.writerow(row_data)
            
        print("===========================")
    
    
    #遍历所有的.shp文件
    def listShpFile():
        for root,dirs,files in os.walk(r"L:\1"):
            for file in files:
                filePath1 = os.path.join(root,file)
                #获取文件路径
                #print(filePath1)
    
                if filePath1.endswith('.shp'):
                    print(filePath1)
    
                    readShpFile(filePath1)
    
    listShpFile()        
    closeCsvFile()
    
    
    
    #############

    控制台输出:

    (wind_2021) L:\>
    (wind_2021) L:\>
    (wind_2021) L:\>python read_shpFile.py
    L:\1\云南省.shp
    1
    1
    ===========================
    325.742766452
    ===========================
    L:\1\内蒙古自治区.shp
    5
    5
    ===========================
    678.534285197
    448.038002689
    92.534590756
    253.868195245
    127.464894164
    ===========================
    L:\1\北京市.shp
    1
    1
    ===========================
    133.037525083
    ===========================
    L:\1\四川省.shp
    5
    5
    ===========================
    460.767387631
    251.79989182
    258.688406106
    215.078670498
    254.617643929
    ===========================
    L:\1\天津市.shp
    1
    1
    ===========================
    60.8299320136
    ===========================
    L:\1\宁夏回族自治区.shp
    3
    3
    ===========================
    134.981531258
    64.1409276783
    144.013836245
    ===========================
    L:\1\安徽省.shp
    3
    3
    ===========================
    9.08142626514
    58.9031666487
    136.59494157
    ===========================
    L:\1\山东省.shp
    3
    3
    ===========================
    252.061179574
    307.964969258
    283.174542213
    ===========================
    L:\1\山西省.shp
    4
    4
    ===========================
    204.821593789
    43.7189271288
    97.3978018136
    221.365985938
    ===========================
    L:\1\广东省.shp
    4
    4
    ===========================
    87.2235500153
    45.4491173993
    287.105881527
    92.6199768563
    ===========================
    L:\1\广西壮族自治区.shp
    2
    2
    ===========================
    43.8509477048
    313.613431782
    ===========================
    L:\1\江苏省.shp
    2
    2
    ===========================
    99.3899710804
    313.582221405
    ===========================
    L:\1\江西省.shp
    4
    4
    ===========================
    4.46045752435
    23.7189066167
    145.828639557
    290.066700568
    ===========================
    L:\1\河北省.shp
    4
    4
    ===========================
    88.1191342986
    81.3578760568
    324.936282346
    300.166849237
    ===========================
    L:\1\河南省.shp
    3
    3
    ===========================
    247.166874523
    40.4232758514
    143.922760949
    ===========================
    L:\1\浙江省.shp
    1
    1
    ===========================
    175.65265493
    ===========================
    L:\1\海南省.shp
    1
    1
    ===========================
    3.87152968208
    ===========================
    L:\1\湖北省.shp
    5
    5
    ===========================
    254.81862358
    335.350997361
    86.2476743885
    245.297373116
    274.716598637
    ===========================
    L:\1\湖南省.shp
    5
    5
    ===========================
    95.4377463121
    210.358797156
    64.4810195597
    114.00272542
    96.6557220969
    ===========================
    L:\1\甘肃省.shp
    2
    2
    ===========================
    228.247395758
    162.129809287
    ===========================
    L:\1\贵州省.shp
    3
    3
    ===========================
    101.182842926
    189.398201755
    22.1319744775
    ===========================
    L:\1\重庆市.shp
    6
    6
    ===========================
    163.723590071
    128.192588581
    90.5047252429
    211.376101063
    68.9162112196
    262.67782227
    ===========================
    L:\1\陕西省.shp
    4
    4
    ===========================
    311.85785335
    630.277081506
    263.259355233
    245.820319105
    ===========================
    L:\1\青海省.shp
    1
    1
    ===========================
    164.33228919
    ===========================
    L:\1\黑龙江省.shp
    1
    1
    ===========================
    129.45378885
    ===========================
    
    (wind_2021) L:\>
    (wind_2021) L:\>
    (wind_2021) L:\>
    (wind_2021) L:\>
    (wind_2021) L:\>
    (wind_2021) L:\>
    (wind_2021) L:\>
    (wind_2021) L:\>
    (wind_2021) L:\>
    (wind_2021) L:\>
    (wind_2021) L:\>
    (wind_2021) L:\>

    ##########################

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  • 原文地址:https://www.cnblogs.com/herd/p/15791295.html
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