{"id":98987,"date":"2026-09-01T20:00:52","date_gmt":"2026-09-01T12:00:52","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/98987.html"},"modified":"2026-09-01T20:00:52","modified_gmt":"2026-09-01T12:00:52","slug":"c%e8%bd%acpython%e7%ac%ac4-3%e7%af%87%ef%bc%9a%e6%96%87%e4%bb%b6%e8%af%bb%e5%86%99%ef%bc%9awith-%e8%af%ad%e5%8f%a5-vs-using%ef%bc%9a%e5%87%a0%e4%b9%8e%e4%b8%80%e6%a8%a1%e4%b8%80%e6%a0%b7%e7%9a%84","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/98987.html","title":{"rendered":"C#\u8f6cPython\u7b2c4.3\u7bc7\uff1a\u6587\u4ef6\u8bfb\u5199\uff1awith \u8bed\u53e5 vs using\uff1a\u51e0\u4e4e\u4e00\u6a21\u4e00\u6837\u7684\u8bbe\u8ba1\u54f2\u5b66\uff01"},"content":{"rendered":"

\u5728 C# \u91cc\u8bfb\u6587\u4ef6，using (var reader = new StreamReader("file.txt")) \u4e00\u884c\u641e\u5b9a，\u79bb\u5f00 using \u5757\u81ea\u52a8 Dispose，\u4e0d\u4f1a\u6cc4\u6f0f\u6587\u4ef6\u53e5\u67c4\u3002<\/p>\n

\u5728 Python \u91cc\u8bfb\u6587\u4ef6，with open("file.txt") as f: \u4e00\u884c\u641e\u5b9a，\u79bb\u5f00 with \u5757\u81ea\u52a8\u5173\u95ed\u6587\u4ef6，\u4e5f\u4e0d\u4f1a\u6cc4\u6f0f\u6587\u4ef6\u53e5\u67c4\u3002<\/p>\n

\u5f53\u6211\u7b2c\u4e00\u6b21\u5728 Python \u91cc\u7528 with open() \u7684\u65f6\u5019，\u6211\u7684\u5185\u5fc3\u662f："\u8fd9\u4e0d\u5c31\u662f C# \u7684 using \u5417？\u8fde\u8bbe\u8ba1\u54f2\u5b66\u90fd\u4e00\u6837！"<\/p>\n

\u540e\u6765\u6211\u624d\u660e\u767d，Python \u7684 with \u8bed\u53e5\u5c31\u662f\u53c2\u8003\u4e86 C# \u7684 using\u2014\u2014\u4e24\u8005\u90fd\u662f"\u79bb\u5f00\u4f5c\u7528\u57df\u81ea\u52a8\u6e05\u7406\u8d44\u6e90"\u7684\u8bed\u6cd5\u7cd6\u3002\u552f\u4e00\u7684\u533a\u522b\u662f，C# \u7684 using \u57fa\u4e8e IDisposable \u63a5\u53e3，Python \u7684 with \u57fa\u4e8e\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668\u534f\u8bae（__enter__ \u548c __exit__）\u3002<\/p>\n

Python \u7684 with \u8bed\u53e5\u548c C# \u7684 using \u7b80\u76f4\u662f\u5f02\u7236\u5f02\u6bcd\u7684\u4eb2\u5144\u5f1f\u2014\u2014\u8bbe\u8ba1\u54f2\u5b66\u51e0\u4e4e\u4e00\u6a21\u4e00\u6837\u3002<\/p>\n

\u57fa\u7840\u8bed\u6cd5\u5bf9\u6bd4<\/h3>\n

C# \u7248\u672c：<\/p>\n

\/\/\u00a0\u8bfb\u53d6\u5168\u90e8\u5185\u5bb9
\nstring\u00a0content\u00a0=\u00a0File.ReadAllText("file.txt");<\/p>\n

\/\/\u00a0\u9010\u884c\u8bfb\u53d6
\nforeach\u00a0(string\u00a0line\u00a0in\u00a0File.ReadLines("file.txt"))
\n{
\n\u00a0\u00a0\u00a0\u00a0Console.WriteLine(line);
\n}<\/p>\n

\/\/\u00a0\u5199\u5165\u6587\u4ef6
\nFile.WriteAllText("output.txt",\u00a0"Hello,\u00a0World!");<\/p>\n

\/\/\u00a0\u4f7f\u7528\u00a0StreamReader
\nusing\u00a0(var\u00a0reader\u00a0=\u00a0new\u00a0StreamReader("file.txt"))
\n{
\n\u00a0\u00a0\u00a0\u00a0string\u00a0line;
\n\u00a0\u00a0\u00a0\u00a0while\u00a0((line\u00a0=\u00a0reader.ReadLine())\u00a0!=\u00a0null)
\n\u00a0\u00a0\u00a0\u00a0{
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Console.WriteLine(line);
\n\u00a0\u00a0\u00a0\u00a0}
\n}<\/p>\n

Python \u7248\u672c：<\/p>\n

#\u00a0\u8bfb\u53d6\u5168\u90e8\u5185\u5bb9
\nwith\u00a0open("file.txt")\u00a0as\u00a0f:
\n\u00a0\u00a0\u00a0\u00a0content\u00a0=\u00a0f.read()<\/p>\n

#\u00a0\u9010\u884c\u8bfb\u53d6
\nwith\u00a0open("file.txt")\u00a0as\u00a0f:
\n\u00a0\u00a0\u00a0\u00a0for\u00a0line\u00a0in\u00a0f:
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0print(line)<\/p>\n

#\u00a0\u5199\u5165\u6587\u4ef6
\nwith\u00a0open("output.txt",\u00a0"w")\u00a0as\u00a0f:
\n\u00a0\u00a0\u00a0\u00a0f.write("Hello,\u00a0World!")<\/p>\n

#\u00a0\u4f7f\u7528\u00a0readline
\nwith\u00a0open("file.txt")\u00a0as\u00a0f:
\n\u00a0\u00a0\u00a0\u00a0line\u00a0=\u00a0f.readline()
\n\u00a0\u00a0\u00a0\u00a0while\u00a0line:
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0print(line)
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0line\u00a0=\u00a0f.readline()<\/p>\n

\u5bf9\u6bd4\u4e00\u4e0b：<\/p>\n\n\n\u64cd\u4f5cC#Python<\/tr>\n\n\n\n\n\n
\u8bfb\u5168\u90e8<\/td>\nFile.ReadAllText()<\/td>\nopen().read()<\/td>\n<\/tr>\n
\u8bfb\u4e00\u884c<\/td>\nreader.ReadLine()<\/td>\nf.readline()<\/td>\n<\/tr>\n
\u5199\u5165<\/td>\nFile.WriteAllText()<\/td>\nopen().write()<\/td>\n<\/tr>\n
\u8d44\u6e90\u7ba1\u7406<\/td>\nusing<\/td>\nwith<\/td>\n<\/tr>\n
\u81ea\u52a8\u5173\u95ed<\/td>\nDispose()<\/td>\n__exit__()<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u8bbe\u8ba1\u54f2\u5b66\u51e0\u4e4e\u4e00\u6837\u2014\u2014\u7528\u8bed\u6cd5\u7cd6\u4fdd\u8bc1\u8d44\u6e90\u6e05\u7406\u3002<\/p>\n

\u6587\u4ef6\u6253\u5f00\u6a21\u5f0f<\/h3>\n

C# \u7684\u6587\u4ef6\u6a21\u5f0f：<\/p>\n

\/\/\u00a0\u8bfb\u53d6（\u9ed8\u8ba4）
\nvar\u00a0reader\u00a0=\u00a0new\u00a0StreamReader("file.txt");<\/p>\n

\/\/\u00a0\u5199\u5165（\u8986\u76d6）
\nvar\u00a0writer\u00a0=\u00a0new\u00a0StreamWriter("file.txt");<\/p>\n

\/\/\u00a0\u8ffd\u52a0
\nvar\u00a0writer\u00a0=\u00a0new\u00a0StreamWriter("file.txt",\u00a0append:\u00a0true);<\/p>\n

\/\/\u00a0\u521b\u5efa\/\u8986\u76d6（File\u00a0\u7c7b）
\nFile.WriteAllText("file.txt",\u00a0content);
\nFile.AppendAllText("file.txt",\u00a0content);<\/p>\n

Python \u7684\u6587\u4ef6\u6a21\u5f0f：<\/p>\n

#\u00a0\u8bfb\u53d6（\u9ed8\u8ba4）
\nf\u00a0=\u00a0open("file.txt",\u00a0"r")<\/p>\n

#\u00a0\u5199\u5165（\u8986\u76d6）
\nf\u00a0=\u00a0open("file.txt",\u00a0"w")<\/p>\n

#\u00a0\u8ffd\u52a0
\nf\u00a0=\u00a0open("file.txt",\u00a0"a")<\/p>\n

#\u00a0\u8bfb\u5199
\nf\u00a0=\u00a0open("file.txt",\u00a0"r+")<\/p>\n

#\u00a0\u4e8c\u8fdb\u5236\u8bfb\u53d6
\nf\u00a0=\u00a0open("image.png",\u00a0"rb")<\/p>\n

#\u00a0\u4e8c\u8fdb\u5236\u5199\u5165
\nf\u00a0=\u00a0open("output.bin",\u00a0"wb")<\/p>\n

Python \u7684\u6a21\u5f0f\u66f4\u7075\u6d3b：<\/p>\n\n\n\u6a21\u5f0f\u8bf4\u660e<\/tr>\n\n\n\n\n\n\n\n
r<\/td>\n\u8bfb\u53d6（\u9ed8\u8ba4）<\/td>\n<\/tr>\n
w<\/td>\n\u5199\u5165（\u8986\u76d6）<\/td>\n<\/tr>\n
a<\/td>\n\u8ffd\u52a0<\/td>\n<\/tr>\n
r+<\/td>\n\u8bfb\u5199<\/td>\n<\/tr>\n
rb<\/td>\n\u4e8c\u8fdb\u5236\u8bfb\u53d6<\/td>\n<\/tr>\n
wb<\/td>\n\u4e8c\u8fdb\u5236\u5199\u5165<\/td>\n<\/tr>\n
x<\/td>\n\u521b\u5efa（\u6587\u4ef6\u5df2\u5b58\u5728\u5219\u62a5\u9519）<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

C# \u6ca1\u6709 x \u6a21\u5f0f，\u4f60\u5f97\u81ea\u5df1\u5224\u65ad\u6587\u4ef6\u662f\u5426\u5b58\u5728\u3002<\/p>\n

\u7f16\u7801\u5904\u7406<\/h3>\n

C# \u7684\u7f16\u7801：<\/p>\n

\/\/\u00a0UTF-8（\u9ed8\u8ba4）
\nstring\u00a0content\u00a0=\u00a0File.ReadAllText("file.txt");<\/p>\n

\/\/\u00a0\u6307\u5b9a\u7f16\u7801
\nstring\u00a0content\u00a0=\u00a0File.ReadAllText("file.txt",\u00a0Encoding.UTF8);
\nstring\u00a0content\u00a0=\u00a0File.ReadAllText("file.txt",\u00a0Encoding.GetEncoding("GBK"));<\/p>\n

Python \u7684\u7f16\u7801：<\/p>\n

#\u00a0UTF-8（\u9ed8\u8ba4，Python\u00a03）
\nwith\u00a0open("file.txt",\u00a0encoding="utf-8")\u00a0as\u00a0f:
\n\u00a0\u00a0\u00a0\u00a0content\u00a0=\u00a0f.read()<\/p>\n

#\u00a0\u6307\u5b9a\u7f16\u7801
\nwith\u00a0open("file.txt",\u00a0encoding="gbk")\u00a0as\u00a0f:
\n\u00a0\u00a0\u00a0\u00a0content\u00a0=\u00a0f.read()<\/p>\n

Python 3 \u9ed8\u8ba4 UTF-8，Python 2 \u9ed8\u8ba4 ASCII（\u8fd9\u662f Python 2 \u7684\u7ecf\u5178\u5751）\u3002<\/p>\n

\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668：with \u8bed\u53e5<\/h3>\n

Python \u7684 with \u8bed\u53e5\u53ef\u4ee5\u540c\u65f6\u7ba1\u7406\u591a\u4e2a\u8d44\u6e90：<\/p>\n

with\u00a0open("input.txt")\u00a0as\u00a0fin,\u00a0open("output.txt",\u00a0"w")\u00a0as\u00a0fout:
\n\u00a0\u00a0\u00a0\u00a0for\u00a0line\u00a0in\u00a0fin:
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0fout.write(line)<\/p>\n

C# \u4e5f\u53ef\u4ee5\u5d4c\u5957 using：<\/p>\n

using\u00a0(var\u00a0reader\u00a0=\u00a0new\u00a0StreamReader("input.txt"))
\nusing\u00a0(var\u00a0writer\u00a0=\u00a0new\u00a0StreamWriter("output.txt"))
\n{
\n\u00a0\u00a0\u00a0\u00a0string\u00a0line;
\n\u00a0\u00a0\u00a0\u00a0while\u00a0((line\u00a0=\u00a0reader.ReadLine())\u00a0!=\u00a0null)
\n\u00a0\u00a0\u00a0\u00a0{
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0writer.WriteLine(line);
\n\u00a0\u00a0\u00a0\u00a0}
\n}<\/p>\n

\u6548\u679c\u4e00\u6837，\u90fd\u662f"\u4e24\u4e2a\u8d44\u6e90\u90fd\u81ea\u52a8\u6e05\u7406"\u3002<\/p>\n

\u81ea\u5b9a\u4e49\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668<\/h3>\n

Python \u53ef\u4ee5\u81ea\u5b9a\u4e49\u4e0a\u4e0b\u6587\u7ba1\u7406\u5668，\u8fd9\u662f C# \u7684 IDisposable \u505a\u4e0d\u5230\u7684\u7075\u6d3b：<\/p>\n

class\u00a0Timer:
\n\u00a0\u00a0\u00a0\u00a0def\u00a0__enter__(self):
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0import\u00a0time
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0self.start\u00a0=\u00a0time.time()
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0return\u00a0self<\/p>\n

\u00a0\u00a0\u00a0\u00a0def\u00a0__exit__(self,\u00a0exc_type,\u00a0exc_val,\u00a0exc_tb):
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0import\u00a0time
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0self.elapsed\u00a0=\u00a0time.time()\u00a0–\u00a0self.start
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0print(f"\u8017\u65f6:\u00a0{self.elapsed:.2f}\u00a0\u79d2")
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0return\u00a0False<\/p>\n

with\u00a0Timer():
\n\u00a0\u00a0\u00a0\u00a0#\u00a0\u4f60\u7684\u4ee3\u7801
\n\u00a0\u00a0\u00a0\u00a0import\u00a0time
\n\u00a0\u00a0\u00a0\u00a0time.sleep(1)
\n#\u00a0\u8f93\u51fa:\u00a0\u8017\u65f6:\u00a01.00\u00a0\u79d2<\/p>\n

C# \u8981\u5b9e\u73b0\u7c7b\u4f3c\u529f\u80fd\u5f97\u5199\u4e00\u4e2a IDisposable \u7c7b：<\/p>\n

class\u00a0Timer\u00a0:\u00a0IDisposable
\n{
\n\u00a0\u00a0\u00a0\u00a0private\u00a0Stopwatch\u00a0_stopwatch\u00a0=\u00a0new\u00a0Stopwatch();<\/p>\n

\u00a0\u00a0\u00a0\u00a0public\u00a0void\u00a0Dispose()
\n\u00a0\u00a0\u00a0\u00a0{
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0_stopwatch.Stop();
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Console.WriteLine($"\u8017\u65f6:\u00a0{_stopwatch.Elapsed.TotalSeconds:F2}\u00a0\u79d2");
\n\u00a0\u00a0\u00a0\u00a0}
\n}<\/p>\n

using\u00a0(new\u00a0Timer())
\n{
\n\u00a0\u00a0\u00a0\u00a0Thread.Sleep(1000);
\n}<\/p>\n

Python \u7684 with \u66f4\u7075\u6d3b\u2014\u2014\u4f60\u53ef\u4ee5\u5728 __exit__ \u91cc\u505a\u4efb\u4f55\u6e05\u7406\u5de5\u4f5c，\u5305\u62ec\u6291\u5236\u5f02\u5e38（\u8fd4\u56de True）\u3002<\/p>\n

\u6587\u4ef6\u904d\u5386：\u9010\u884c vs \u9010\u5757<\/h3>\n

C# \u9010\u884c\u904d\u5386：<\/p>\n

foreach\u00a0(string\u00a0line\u00a0in\u00a0File.ReadLines("file.txt"))
\n{
\n\u00a0\u00a0\u00a0\u00a0Console.WriteLine(line);
\n}<\/p>\n

Python \u9010\u884c\u904d\u5386：<\/p>\n

with\u00a0open("file.txt")\u00a0as\u00a0f:
\n\u00a0\u00a0\u00a0\u00a0for\u00a0line\u00a0in\u00a0f:
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0print(line)<\/p>\n

Python \u7684\u6587\u4ef6\u5bf9\u8c61\u672c\u8eab\u5c31\u662f\u8fed\u4ee3\u5668，\u53ef\u4ee5\u76f4\u63a5 for line in f，\u6bd4 C# \u66f4\u7b80\u6d01\u3002<\/p>\n

Python \u9010\u5757\u8bfb\u53d6（\u5904\u7406\u5927\u6587\u4ef6）：<\/p>\n

with\u00a0open("large_file.txt")\u00a0as\u00a0f:
\n\u00a0\u00a0\u00a0\u00a0while\u00a0chunk\u00a0:=\u00a0f.read(8192):
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0process(chunk)<\/p>\n

C# \u9010\u5757\u8bfb\u53d6：<\/p>\n

using\u00a0(var\u00a0reader\u00a0=\u00a0new\u00a0StreamReader("large_file.txt"))
\n{
\n\u00a0\u00a0\u00a0\u00a0char[]\u00a0buffer\u00a0=\u00a0new\u00a0char[8192];
\n\u00a0\u00a0\u00a0\u00a0int\u00a0charsRead;
\n\u00a0\u00a0\u00a0\u00a0while\u00a0((charsRead\u00a0=\u00a0reader.Read(buffer,\u00a00,\u00a0buffer.Length))\u00a0>\u00a00)
\n\u00a0\u00a0\u00a0\u00a0{
\n\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Process(new\u00a0string(buffer,\u00a00,\u00a0charsRead));
\n\u00a0\u00a0\u00a0\u00a0}
\n}<\/p>\n

\u4e34\u65f6\u6587\u4ef6<\/h3>\n

Python \u6709 tempfile \u6a21\u5757，\u81ea\u52a8\u7ba1\u7406\u4e34\u65f6\u6587\u4ef6\u751f\u547d\u5468\u671f：<\/p>\n

import\u00a0tempfile<\/p>\n

#\u00a0\u81ea\u52a8\u5220\u9664\u7684\u4e34\u65f6\u6587\u4ef6
\nwith\u00a0tempfile.NamedTemporaryFile(delete=True)\u00a0as\u00a0tmp:
\n\u00a0\u00a0\u00a0\u00a0tmp.write(b"Hello,\u00a0World!")
\n\u00a0\u00a0\u00a0\u00a0tmp.flush()
\n\u00a0\u00a0\u00a0\u00a0process_file(tmp.name)
\n#\u00a0\u6587\u4ef6\u81ea\u52a8\u5220\u9664<\/p>\n

C# \u4e5f\u6709 Path.GetTempFileName()，\u4f46\u9700\u8981\u624b\u52a8\u5220\u9664：<\/p>\n

string\u00a0tempFile\u00a0=\u00a0Path.GetTempFileName();
\ntry
\n{
\n\u00a0\u00a0\u00a0\u00a0File.WriteAllText(tempFile,\u00a0"Hello,\u00a0World!");
\n\u00a0\u00a0\u00a0\u00a0ProcessFile(tempFile);
\n}
\nfinally
\n{
\n\u00a0\u00a0\u00a0\u00a0File.Delete(tempFile);
\n}<\/p>\n

Python \u7684 with \u8ba9\u4e34\u65f6\u6587\u4ef6\u7ba1\u7406\u66f4\u4f18\u96c5\u3002<\/p>\n

\u8fc1\u79fb\u6307\u5357：C# \u5f00\u53d1\u8005\u6700\u5bb9\u6613\u72af\u7684\u9519<\/h3>\n
  • \n

    \u5fd8\u8bb0\u6307\u5b9a\u7f16\u7801：Python 3 \u9ed8\u8ba4 UTF-8，\u4f46\u5904\u7406\u65e7\u6587\u4ef6\u65f6\u53ef\u80fd\u9700\u8981\u6307\u5b9a GBK<\/p>\n<\/li>\n

  • \n

    **\u5fd8\u8bb0\u7528 with**：\u548c C# \u5fd8\u8bb0 using \u4e00\u6837，\u4f1a\u5bfc\u81f4\u8d44\u6e90\u6cc4\u6f0f<\/p>\n<\/li>\n

  • \n

    \u6587\u4ef6\u6a21\u5f0f\u641e\u9519：w \u4f1a\u8986\u76d6\u6587\u4ef6，a \u624d\u662f\u8ffd\u52a0<\/p>\n<\/li>\n

  • \n

    \u4e8c\u8fdb\u5236\u6a21\u5f0f\u641e\u9519：\u8bfb\u56fe\u7247\u3001\u97f3\u9891\u7b49\u5fc5\u987b\u7528 rb\/wb<\/p>\n<\/li>\n

  • \n

    \u8def\u5f84\u5904\u7406：Python \u7528 \/，Windows \u7528 \\\\，\u5efa\u8bae\u7528 pathlib<\/p>\n<\/li>\n

    \u5751\u70b9\u63d0\u9192<\/h3>\n

    \u6587\u4ef6\u6ca1\u6709\u5173\u95ed\u2014\u2014\u4e0d\u7528 with \u7684\u540e\u679c：<\/p>\n

    f\u00a0=\u00a0open("file.txt")
    \ncontent\u00a0=\u00a0f.read()
    \n#\u00a0\u5fd8\u8bb0\u00a0f.close()，\u6587\u4ef6\u53e5\u67c4\u6cc4\u6f0f<\/p>\n

    \u7f16\u7801\u9519\u8bef\u2014\u2014\u5904\u7406\u975e UTF-8 \u6587\u4ef6：<\/p>\n

    with\u00a0open("gbk_file.txt")\u00a0as\u00a0f:
    \n\u00a0\u00a0\u00a0\u00a0content\u00a0=\u00a0f.read()\u00a0\u00a0#\u00a0UnicodeDecodeError<\/p>\n

    \u89e3\u51b3\u65b9\u6848：<\/p>\n

    with\u00a0open("gbk_file.txt",\u00a0encoding="gbk",\u00a0errors="ignore")\u00a0as\u00a0f:
    \n\u00a0\u00a0\u00a0\u00a0content\u00a0=\u00a0f.read()<\/p>\n

    \u8def\u5f84\u95ee\u9898\u2014\u2014Windows \u548c Linux \u8def\u5f84\u4e0d\u540c：<\/p>\n

    #\u00a0\u4e0d\u63a8\u8350
    \npath\u00a0=\u00a0"data\/files\/file.txt"<\/p>\n

    #\u00a0\u63a8\u8350
    \nfrom\u00a0pathlib\u00a0import\u00a0Path
    \npath\u00a0=\u00a0Path("data")\u00a0\/\u00a0"files"\u00a0\/\u00a0"file.txt"<\/p>\n

    \u771f\u5b9e\u6848\u4f8b：\u6211\u6709\u4e2a\u540c\u4e8b\u4ece C# \u8f6c Python，\u5199\u4e86\u4e00\u4e2a\u65e5\u5fd7\u5904\u7406\u811a\u672c\u3002\u811a\u672c\u6bcf\u5929\u5904\u7406\u51e0\u4e2a GB \u7684\u65e5\u5fd7\u6587\u4ef6，\u4f46\u4ed6\u7528 f.read() \u4e00\u6b21\u6027\u8bfb\u53d6，\u7ed3\u679c\u5185\u5b58\u7206\u4e86\u3002\u540e\u6765\u6539\u6210\u9010\u884c\u8bfb\u53d6 for line in f: \u624d\u89e3\u51b3\u95ee\u9898\u3002Python \u7684\u6587\u4ef6\u5bf9\u8c61\u662f\u60f0\u6027\u52a0\u8f7d\u7684，for line in f \u4e0d\u4f1a\u4e00\u6b21\u6027\u628a\u6574\u4e2a\u6587\u4ef6\u8bfb\u5165\u5185\u5b58\u3002<\/p>\n

    pathlib：Python \u7684\u8def\u5f84\u795e\u5668<\/h3>\n

    Python 3.4+ \u5f15\u5165\u7684 pathlib，\u6bd4\u5b57\u7b26\u4e32\u62fc\u63a5\u8def\u5f84\u66f4\u4f18\u96c5：<\/p>\n

    from\u00a0pathlib\u00a0import\u00a0Path<\/p>\n

    #\u00a0\u521b\u5efa\u8def\u5f84
    \np\u00a0=\u00a0Path("data")\u00a0\/\u00a0"files"\u00a0\/\u00a0"file.txt"<\/p>\n

    #\u00a0\u8bfb\u53d6\u6587\u4ef6
    \ncontent\u00a0=\u00a0p.read_text()<\/p>\n

    #\u00a0\u5199\u5165\u6587\u4ef6
    \np.write_text("Hello,\u00a0World!")<\/p>\n

    #\u00a0\u904d\u5386\u76ee\u5f55
    \nfor\u00a0f\u00a0in\u00a0Path(".").glob("*.py"):
    \n\u00a0\u00a0\u00a0\u00a0print(f)<\/p>\n

    #\u00a0\u9012\u5f52\u904d\u5386
    \nfor\u00a0f\u00a0in\u00a0Path(".").rglob("*.py"):
    \n\u00a0\u00a0\u00a0\u00a0print(f)<\/p>\n

    C# \u4e5f\u6709 Path.Combine() \u548c Directory.GetFiles()，\u4f46\u6ca1\u6709 pathlib \u8fd9\u4e48\u9762\u5411\u5bf9\u8c61\u3002<\/p>\n

    \u4e00\u53e5\u8bdd\u603b\u7ed3<\/h3>\n

    C# \u7684 using \u548c Python \u7684 with \u662f\u540c\u4e00\u4e2a\u8bbe\u8ba1\u54f2\u5b66\u7684\u4e24\u79cd\u5b9e\u73b0\u2014\u2014"\u79bb\u5f00\u4f5c\u7528\u57df\u81ea\u52a8\u6e05\u7406\u8d44\u6e90"，\u4e24\u79cd\u8bed\u8a00\u5728\u8fd9\u4e2a\u95ee\u9898\u4e0a\u8fbe\u6210\u4e86\u60ca\u4eba\u7684\u4e00\u81f4\u3002<\/p>\n

    \u4e0b\u4e00\u7bc7\u54b1\u4eec\u6765\u804a\u804a JSON \u5904\u7406\u2014\u2014C# \u7684 System.Text.Json vs Python \u7684 json \u6a21\u5757，\u4e24\u79cd\u8bed\u8a00\u7684"\u6570\u636e\u5e8f\u5217\u5316\u54f2\u5b66"\u53c8\u6709\u5565\u4e0d\u540c\u3002<\/p>\n

    \n

    📦 \u793a\u4f8b\u4ee3\u7801：C# \u8f6c Python \u5168\u7cfb\u5217\u914d\u5957\u7ec3\u4e60\u4ee3\u7801（\u542b 48 \u7ae0\u793a\u4f8b）<\/p>\n

      \n
    • \n

      GitHub：GitHub – LadyKiller1025\/csharp-python-demos: C# vs Python \u5b66\u4e60\u7cfb\u5217 – Demo \u4ee3\u7801\u5408\u96c6 \u00b7 GitHub<\/p>\n<\/li>\n

    • \n

      Gitee：https:\/\/gitee.com\/qakjhzx\/csharp-python-demos<\/p>\n<\/li>\n<\/ul>\n

      💬 \u6b22\u8fce\u70b9\u8d5e\u3001\u6536\u85cf\u3001\u8f6c\u53d1，\u4f60\u7684\u652f\u6301\u662f\u6211\u6301\u7eed\u521b\u4f5c\u7684\u52a8\u529b！<\/p>\n","protected":false},"excerpt":{"rendered":"

      \u5728 C# \u91cc\u8bfb\u6587\u4ef6，using (var reader new StreamReader(\\”file.txt\\”)) \u4e00\u884c\u641e\u5b9a，\u79bb\u5f00 using \u5757\u81ea\u52a8 Dispose，\u4e0d\u4f1a\u6cc4\u6f0f\u6587\u4ef6\u53e5\u67c4\u3002
      \n\u5728 Python \u91cc\u8bfb\u6587\u4ef6，with open(\\”file.txt\\”) as f: \u4e00\u884c\u641e\u5b9a，\u79bb\u5f00 with \u5757\u81ea\u52a8\u5173\u95ed\u6587\u4ef6，\u4e5f\u4e0d\u4f1a\u6cc4\u6f0f\u6587\u4ef6\u53e5\u67c4\u3002
      \n\u5f53\u6211\u7b2c\u4e00\u6b21\u5728 Python \u91cc\u7528 with open(<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[55,99,81],"topic":[],"class_list":["post-98987","post","type-post","status-publish","format-standard","hentry","category-server","tag-c","tag-java","tag-python"],"yoast_head":"\nC#\u8f6cPython\u7b2c4.3\u7bc7\uff1a\u6587\u4ef6\u8bfb\u5199\uff1awith \u8bed\u53e5 vs using\uff1a\u51e0\u4e4e\u4e00\u6a21\u4e00\u6837\u7684\u8bbe\u8ba1\u54f2\u5b66\uff01 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/98987.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C#\u8f6cPython\u7b2c4.3\u7bc7\uff1a\u6587\u4ef6\u8bfb\u5199\uff1awith \u8bed\u53e5 vs using\uff1a\u51e0\u4e4e\u4e00\u6a21\u4e00\u6837\u7684\u8bbe\u8ba1\u54f2\u5b66\uff01 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"og:description\" content=\"\u5728 C# \u91cc\u8bfb\u6587\u4ef6，using (var reader new StreamReader("file.txt")) \u4e00\u884c\u641e\u5b9a，\u79bb\u5f00 using \u5757\u81ea\u52a8 Dispose，\u4e0d\u4f1a\u6cc4\u6f0f\u6587\u4ef6\u53e5\u67c4\u3002 \u5728 Python \u91cc\u8bfb\u6587\u4ef6，with open("file.txt") as f: \u4e00\u884c\u641e\u5b9a，\u79bb\u5f00 with \u5757\u81ea\u52a8\u5173\u95ed\u6587\u4ef6，\u4e5f\u4e0d\u4f1a\u6cc4\u6f0f\u6587\u4ef6\u53e5\u67c4\u3002 \u5f53\u6211\u7b2c\u4e00\u6b21\u5728 Python \u91cc\u7528 with open(\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.wsisp.com\/helps\/98987.html\" \/>\n<meta property=\"og:site_name\" content=\"\u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3\" \/>\n<meta property=\"article:published_time\" content=\"2026-09-01T12:00:52+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.wsisp.com\/helps\/98987.html\",\"url\":\"https:\/\/www.wsisp.com\/helps\/98987.html\",\"name\":\"C#\u8f6cPython\u7b2c4.3\u7bc7\uff1a\u6587\u4ef6\u8bfb\u5199\uff1awith \u8bed\u53e5 vs using\uff1a\u51e0\u4e4e\u4e00\u6a21\u4e00\u6837\u7684\u8bbe\u8ba1\u54f2\u5b66\uff01 - 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