{"id":1055716,"date":"2024-12-31T14:53:16","date_gmt":"2024-12-31T06:53:16","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1055716.html"},"modified":"2024-12-31T14:53:19","modified_gmt":"2024-12-31T06:53:19","slug":"python%e5%a6%82%e4%bd%95%e6%8a%8a%e6%96%87%e4%bb%b6%e6%89%80%e6%9c%89%e7%a9%ba%e6%a0%bc%e5%8e%bb%e6%8e%89","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1055716.html","title":{"rendered":"python\u5982\u4f55\u628a\u6587\u4ef6\u6240\u6709\u7a7a\u683c\u53bb\u6389"},"content":{"rendered":"

\"python\u5982\u4f55\u628a\u6587\u4ef6\u6240\u6709\u7a7a\u683c\u53bb\u6389\"<\/p>\n

\u8981\u5728Python\u4e2d\u53bb\u6389\u6587\u4ef6\u4e2d\u7684\u6240\u6709\u7a7a\u683c\uff0c\u53ef\u4ee5\u4f7f\u7528\u51e0\u79cd\u4e0d\u540c\u7684\u65b9\u6cd5\u3002\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u3001\u53bb\u6389\u7a7a\u683c\u3001\u5c06\u4fee\u6539\u540e\u7684\u5185\u5bb9\u5199\u56de\u6587\u4ef6<\/strong>\uff0c\u662f\u5b9e\u73b0\u8fd9\u4e00\u76ee\u6807\u7684\u57fa\u672c\u6b65\u9aa4\u3002\u4ee5\u4e0b\u8be6\u7ec6\u63cf\u8ff0\u4e86\u4e00\u79cd\u5e38\u89c1\u7684\u5b9e\u73b0\u65b9\u6cd5\uff1a\u4f7f\u7528Python\u7684\u5185\u7f6e\u6587\u4ef6\u64cd\u4f5c\u548c\u5b57\u7b26\u4e32\u5904\u7406\u529f\u80fd\u6765\u5b8c\u6210\u8fd9\u4e00\u4efb\u52a1\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9<\/h3>\n<\/p>\n

\u8981\u64cd\u4f5c\u6587\u4ef6\uff0c\u9996\u5148\u9700\u8981\u8bfb\u53d6\u6587\u4ef6\u7684\u5185\u5bb9\u3002\u53ef\u4ee5\u4f7f\u7528Python\u7684\u5185\u7f6e\u51fd\u6570open()<\/code>\u6765\u6253\u5f00\u6587\u4ef6\uff0c\u5e76\u4f7f\u7528read()<\/code>\u65b9\u6cd5\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u3002<\/p>\n<\/p>\n

with open('file.txt', 'r', encoding='utf-8') as file:<\/p>\n
    content = file.read()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e8c\u3001\u53bb\u6389\u7a7a\u683c<\/h3>\n<\/p>\n
\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528Python\u7684\u5b57\u7b26\u4e32\u65b9\u6cd5replace()<\/code>\u6765\u53bb\u6389\u6240\u6709\u7684\u7a7a\u683c\u3002\u8fd9\u4e2a\u65b9\u6cd5\u4f1a\u5c06\u5b57\u7b26\u4e32\u4e2d\u7684\u6240\u6709\u7a7a\u683c\u66ff\u6362\u4e3a\u7a7a\u5b57\u7b26\u4e32\uff0c\u4ece\u800c\u53bb\u6389\u6240\u6709\u7684\u7a7a\u683c\u3002<\/p>\n<\/p>\n
content_no_spaces = content.replace(' ', '')<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e09\u3001\u5c06\u4fee\u6539\u540e\u7684\u5185\u5bb9\u5199\u56de\u6587\u4ef6<\/h3>\n<\/p>\n
\u53bb\u6389\u7a7a\u683c\u540e\uff0c\u9700\u8981\u5c06\u4fee\u6539\u540e\u7684\u5185\u5bb9\u5199\u56de\u6587\u4ef6\u3002\u53ef\u4ee5\u518d\u6b21\u4f7f\u7528open()<\/code>\u51fd\u6570\uff0c\u4ee5\u5199\u6a21\u5f0f\u6253\u5f00\u6587\u4ef6\uff0c\u5e76\u4f7f\u7528write()<\/code>\u65b9\u6cd5\u5c06\u4fee\u6539\u540e\u7684\u5185\u5bb9\u5199\u5165\u6587\u4ef6\u3002<\/p>\n<\/p>\n
with open('file.txt', 'w', encoding='utf-8') as file:<\/p>\n
    file.write(content_no_spaces)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5b9e\u73b0\u4ee5\u4e0a\u6b65\u9aa4\u7684\u5b8c\u6574\u4ee3\u7801<\/h3>\n<\/p>\n
def remove_spaces_from_file(filename):<\/p>\n
    with open(filename, 'r', encoding='utf-8') as file:<\/p>\n
        content = file.read()<\/p>\n
    content_no_spaces = content.replace(' ', '')<\/p>\n
    with open(filename, 'w', encoding='utf-8') as file:<\/p>\n
        file.write(content_no_spaces)<\/p>\n
remove_spaces_from_file('file.txt')<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8be6\u7ec6\u63cf\u8ff0\uff1a\u53bb\u6389\u7a7a\u683c\u7684\u539f\u7406<\/h3>\n<\/p>\n
\u4f7f\u7528replace()<\/code>\u65b9\u6cd5\u53bb\u6389\u7a7a\u683c\u7684\u539f\u7406\u662f\u975e\u5e38\u76f4\u89c2\u7684\u3002replace(' ', '')<\/code>\u4f1a\u904d\u5386\u6574\u4e2a\u5b57\u7b26\u4e32\uff0c\u5c06\u6240\u6709\u7684\u7a7a\u683c\u5b57\u7b26\u66ff\u6362\u4e3a\u7a7a\u5b57\u7b26\u4e32\uff0c\u4ece\u800c\u53bb\u6389\u6240\u6709\u7a7a\u683c\u3002\u8fd9\u79cd\u65b9\u6cd5\u4e0d\u4ec5\u7b80\u5355\uff0c\u800c\u4e14\u9ad8\u6548\uff0c\u9002\u7528\u4e8e\u5904\u7406\u5927\u591a\u6570\u6587\u672c\u6587\u4ef6\u3002<\/p>\n<\/p>\n
\u5904\u7406\u6587\u4ef6\u4e2d\u7684\u5176\u4ed6\u7a7a\u767d\u5b57\u7b26<\/h3>\n<\/p>\n
\u6709\u65f6\uff0c\u6587\u4ef6\u4e2d\u4e0d\u4ec5\u5305\u542b\u666e\u901a\u7a7a\u683c\uff0c\u8fd8\u5305\u542b\u5236\u8868\u7b26\uff08\\t<\/code>\uff09\u3001\u6362\u884c\u7b26\uff08\\n<\/code>\uff09\u7b49\u5176\u4ed6\u7a7a\u767d\u5b57\u7b26\u3002\u8981\u53bb\u6389\u6240\u6709\u7c7b\u578b\u7684\u7a7a\u767d\u5b57\u7b26\uff0c\u53ef\u4ee5\u4f7f\u7528Python\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u6a21\u5757re<\/code>\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<\/p>\n
import re<\/p>\n
def remove_all_whitespace(filename):<\/p>\n
    with open(filename, 'r', encoding='utf-8') as file:<\/p>\n
        content = file.read()<\/p>\n
    content_no_whitespace = re.sub(r'\\s+', '', content)<\/p>\n
    with open(filename, 'w', encoding='utf-8') as file:<\/p>\n
        file.write(content_no_whitespace)<\/p>\n
remove_all_whitespace('file.txt')<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0cre.sub(r'\\s+', '', content)<\/code>\u4f1a\u5339\u914d\u6240\u6709\u7684\u7a7a\u767d\u5b57\u7b26\uff08\u5305\u62ec\u7a7a\u683c\u3001\u5236\u8868\u7b26\u3001\u6362\u884c\u7b26\u7b49\uff09\uff0c\u5e76\u5c06\u5b83\u4eec\u66ff\u6362\u4e3a\u7a7a\u5b57\u7b26\u4e32\uff0c\u4ece\u800c\u53bb\u6389\u6240\u6709\u7684\u7a7a\u767d\u5b57\u7b26\u3002<\/p>\n<\/p>\n
\u6ce8\u610f\u4e8b\u9879<\/h3>\n<\/p>\n
    \n
  1. \u5907\u4efd\u6587\u4ef6<\/strong>\uff1a\u5728\u5b9e\u9645\u64cd\u4f5c\u4e2d\uff0c\u5efa\u8bae\u5148\u5907\u4efd\u6587\u4ef6\uff0c\u4ee5\u9632\u6b62\u610f\u5916\u7684\u6570\u636e\u4e22\u5931\u3002<\/li>\n
  2. \u7f16\u7801\u95ee\u9898<\/strong>\uff1a\u5904\u7406\u6587\u4ef6\u65f6\uff0c\u5e94\u6ce8\u610f\u6587\u4ef6\u7684\u7f16\u7801\u683c\u5f0f\uff0c\u4ee5\u907f\u514d\u4e71\u7801\u95ee\u9898\u3002\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6eopen()<\/code>\u51fd\u6570\u7684encoding<\/code>\u53c2\u6570\u6765\u5904\u7406\u4e0d\u540c\u7684\u7f16\u7801\u683c\u5f0f\u3002<\/li>\n
  3. \u6027\u80fd\u8003\u8651<\/strong>\uff1a\u5bf9\u4e8e\u975e\u5e38\u5927\u7684\u6587\u4ef6\uff0c\u8bfb\u53d6\u548c\u5199\u5165\u64cd\u4f5c\u53ef\u80fd\u4f1a\u5360\u7528\u8f83\u957f\u7684\u65f6\u95f4\u548c\u8f83\u591a\u7684\u5185\u5b58\u3002\u53ef\u4ee5\u8003\u8651\u9010\u884c\u8bfb\u53d6\u548c\u5904\u7406\u6587\u4ef6\u5185\u5bb9\uff0c\u4ee5\u964d\u4f4e\u5185\u5b58\u5360\u7528\u3002<\/li>\n<\/ol>\n
    \u56db\u3001\u9010\u884c\u5904\u7406\u6587\u4ef6\u5185\u5bb9<\/h3>\n<\/p>\n
    \u9010\u884c\u5904\u7406\u6587\u4ef6\u5185\u5bb9\u53ef\u4ee5\u6709\u6548\u964d\u4f4e\u5185\u5b58\u5360\u7528\u3002\u4ee5\u4e0b\u662f\u9010\u884c\u8bfb\u53d6\u6587\u4ef6\u3001\u53bb\u6389\u7a7a\u683c\u5e76\u5199\u56de\u6587\u4ef6\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n
    def remove_spaces_from_file_line_by_line(input_filename, output_filename):<\/p>\n
        with open(input_filename, 'r', encoding='utf-8') as infile, \\<\/p>\n
             open(output_filename, 'w', encoding='utf-8') as outfile:<\/p>\n
            for line in infile:<\/p>\n
                line_no_spaces = line.replace(' ', '')<\/p>\n
                outfile.write(line_no_spaces)<\/p>\n
    remove_spaces_from_file_line_by_line('file.txt', 'file_no_spaces.txt')<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u4f7f\u7528\u9010\u884c\u8bfb\u53d6\u548c\u5199\u5165\u7684\u65b9\u6cd5\u6765\u5904\u7406\u6587\u4ef6\u5185\u5bb9\uff0c\u6709\u6548\u964d\u4f4e\u4e86\u5185\u5b58\u5360\u7528\uff0c\u540c\u65f6\u4fdd\u7559\u4e86\u6587\u4ef6\u7684\u7ed3\u6784\u3002<\/p>\n<\/p>\n
    \u4e94\u3001\u5904\u7406\u5927\u6587\u4ef6\u7684\u9ad8\u7ea7\u65b9\u6cd5<\/h3>\n<\/p>\n
    \u5bf9\u4e8e\u975e\u5e38\u5927\u7684\u6587\u4ef6\uff0c\u9010\u884c\u5904\u7406\u4ecd\u7136\u53ef\u80fd\u4e0d\u591f\u9ad8\u6548\u3002\u53ef\u4ee5\u8003\u8651\u4f7f\u7528Python\u7684\u751f\u6210\u5668\u6765\u5904\u7406\u6587\u4ef6\u5185\u5bb9\uff0c\u4ee5\u8fdb\u4e00\u6b65\u4f18\u5316\u5185\u5b58\u4f7f\u7528\u548c\u5904\u7406\u901f\u5ea6\u3002<\/p>\n<\/p>\n
    def remove_spaces_from_file_efficiently(input_filename, output_filename):<\/p>\n
        def lines_without_spaces(file):<\/p>\n
            for line in file:<\/p>\n
                yield line.replace(' ', '')<\/p>\n
        with open(input_filename, 'r', encoding='utf-8') as infile, \\<\/p>\n
             open(output_filename, 'w', encoding='utf-8') as outfile:<\/p>\n
            for line in lines_without_spaces(infile):<\/p>\n
                outfile.write(line)<\/p>\n
    remove_spaces_from_file_efficiently('file.txt', 'file_no_spaces.txt')<\/p>\n
    <\/code><\/pre>\n<\/p>\n
    \u5728\u8fd9\u4e2a\u793a\u4f8b\u4e2d\uff0c\u4f7f\u7528\u751f\u6210\u5668lines_without_spaces<\/code>\u6765\u9010\u884c\u5904\u7406\u6587\u4ef6\u5185\u5bb9\uff0c\u5e76\u5c06\u53bb\u6389\u7a7a\u683c\u540e\u7684\u884c\u5199\u5165\u8f93\u51fa\u6587\u4ef6\u3002\u8fd9\u79cd\u65b9\u6cd5\u5728\u5904\u7406\u5927\u6587\u4ef6\u65f6\u66f4\u52a0\u9ad8\u6548\u3002<\/p>\n<\/p>\n
    \u603b\u7ed3<\/h3>\n<\/p>\n
    \u901a\u8fc7\u4ee5\u4e0a\u65b9\u6cd5\uff0c\u53ef\u4ee5\u5728Python\u4e2d\u8f7b\u677e\u53bb\u6389\u6587\u4ef6\u4e2d\u7684\u6240\u6709\u7a7a\u683c\u3002\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\u3001\u53bb\u6389\u7a7a\u683c\u3001\u5c06\u4fee\u6539\u540e\u7684\u5185\u5bb9\u5199\u56de\u6587\u4ef6<\/strong>\uff0c\u662f\u5b9e\u73b0\u8fd9\u4e00\u76ee\u6807\u7684\u57fa\u672c\u6b65\u9aa4\u3002\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\uff0c\u5982\u4f7f\u7528replace()<\/code>\u65b9\u6cd5\u5904\u7406\u666e\u901a\u7a7a\u683c\uff0c\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u5904\u7406\u6240\u6709\u7a7a\u767d\u5b57\u7b26\uff0c\u6216\u8005\u4f7f\u7528\u9010\u884c\u5904\u7406\u548c\u751f\u6210\u5668\u65b9\u6cd5\u4f18\u5316\u5927\u6587\u4ef6\u5904\u7406\u7684\u6027\u80fd\u3002\u65e0\u8bba\u9009\u62e9\u54ea\u79cd\u65b9\u6cd5\uff0c\u90fd\u5e94\u6ce8\u610f\u5907\u4efd\u6587\u4ef6\u548c\u5904\u7406\u7f16\u7801\u95ee\u9898\uff0c\u4ee5\u786e\u4fdd\u6570\u636e\u5b89\u5168\u548c\u6b63\u786e\u3002<\/p>\n<\/p>\n
    \u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
     \u5982\u4f55\u4f7f\u7528Python\u53bb\u6389\u6587\u4ef6\u4e2d\u7684\u6240\u6709\u7a7a\u683c\uff1f<\/strong>
    \u53ef\u4ee5\u4f7f\u7528Python\u7684\u5185\u7f6e\u51fd\u6570\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\uff0c\u5e76\u5229\u7528\u5b57\u7b26\u4e32\u7684replace()<\/code>\u65b9\u6cd5\u5c06\u7a7a\u683c\u66ff\u6362\u4e3a\u7a7a\u5b57\u7b26\u4e32\u3002\u8fd9\u6837\u53ef\u4ee5\u9ad8\u6548\u5730\u53bb\u9664\u6587\u4ef6\u4e2d\u7684\u6240\u6709\u7a7a\u683c\u3002<\/p>\n
    \u5728\u5904\u7406\u5927\u6587\u4ef6\u65f6\uff0c\u5982\u4f55\u4f18\u5316\u53bb\u9664\u7a7a\u683c\u7684\u64cd\u4f5c\uff1f<\/strong>
    \u5bf9\u4e8e\u8f83\u5927\u7684\u6587\u4ef6\uff0c\u5efa\u8bae\u9010\u884c\u8bfb\u53d6\u6587\u4ef6\u5185\u5bb9\uff0c\u5904\u7406\u6bcf\u4e00\u884c\u540e\u518d\u5199\u5165\u65b0\u6587\u4ef6\u3002\u8fd9\u79cd\u65b9\u6cd5\u53ef\u4ee5\u907f\u514d\u4e00\u6b21\u6027\u52a0\u8f7d\u6574\u4e2a\u6587\u4ef6\u5230\u5185\u5b58\u4e2d\uff0c\u51cf\u5c11\u5185\u5b58\u6d88\u8017\uff0c\u63d0\u9ad8\u5904\u7406\u6548\u7387\u3002<\/p>\n
    \u53bb\u6389\u7a7a\u683c\u540e\uff0c\u5982\u4f55\u4fdd\u5b58\u6587\u4ef6\u5185\u5bb9\uff1f<\/strong>
    \u5728\u5b8c\u6210\u7a7a\u683c\u53bb\u9664\u540e\uff0c\u53ef\u4ee5\u4f7f\u7528Python\u7684\u6587\u4ef6\u5199\u5165\u529f\u80fd\u5c06\u5904\u7406\u540e\u7684\u5185\u5bb9\u5199\u5165\u65b0\u6587\u4ef6\u3002\u4f7f\u7528with open()<\/code>\u8bed\u53e5\uff0c\u53ef\u4ee5\u786e\u4fdd\u6587\u4ef6\u6b63\u786e\u5173\u95ed\uff0c\u907f\u514d\u8d44\u6e90\u6cc4\u6f0f\u3002<\/p>\n
    \u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u53bb\u9664\u7a7a\u683c\u6709\u4ec0\u4e48\u4f18\u52bf\uff1f<\/strong>
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