{"id":1134361,"date":"2025-01-08T21:15:02","date_gmt":"2025-01-08T13:15:02","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1134361.html"},"modified":"2025-01-08T21:15:04","modified_gmt":"2025-01-08T13:15:04","slug":"python%e4%b8%ad%e5%a6%82%e4%bd%95%e5%88%9d%e5%a7%8b%e5%8c%96byte%e6%95%b0%e7%bb%84%e9%95%bf%e5%ba%a6","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1134361.html","title":{"rendered":"python\u4e2d\u5982\u4f55\u521d\u59cb\u5316byte\u6570\u7ec4\u957f\u5ea6"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/25103317\/0c54ed04-a4be-4b80-b380-53ffc4ab6606.webp\" alt=\"python\u4e2d\u5982\u4f55\u521d\u59cb\u5316byte\u6570\u7ec4\u957f\u5ea6\" \/><\/p>\n<p><p> <strong>\u5728Python\u4e2d\uff0c\u521d\u59cb\u5316byte\u6570\u7ec4\u957f\u5ea6\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u5305\u62ec\u4f7f\u7528\u5b57\u8282\u5b57\u7b26\u4e32\u3001bytearray\u6784\u9020\u51fd\u6570\u3001\u6570\u7ec4\u6a21\u5757\u7b49\u3002<\/strong>\u8fd9\u51e0\u79cd\u65b9\u6cd5\u5404\u6709\u4f18\u52a3\uff0c\u5177\u4f53\u9009\u62e9\u5e94\u6839\u636e\u5177\u4f53\u9700\u6c42\u6765\u51b3\u5b9a\u3002\u4e0b\u9762\u8be6\u7ec6\u4ecb\u7ecd\u5176\u4e2d\u4e00\u79cd\u65b9\u6cd5\uff1a\u4f7f\u7528bytearray\u6784\u9020\u51fd\u6570\u3002<\/p>\n<\/p>\n<p><p>\u4f7f\u7528bytearray\u6784\u9020\u51fd\u6570\u662f\u4e00\u79cd\u5e38\u7528\u4e14\u9ad8\u6548\u7684\u65b9\u6cd5\u3002<strong>bytearray\u662f\u4e00\u4e2a\u53ef\u53d8\u7684\u5e8f\u5217\uff0c\u5b83\u5305\u542b\u8303\u56f4\u57280\u5230255\u4e4b\u95f4\u7684\u6574\u6570\u3002<\/strong>\u4e0ebytes\u4e0d\u540c\uff0cbytearray\u5141\u8bb8\u5bf9\u5176\u4e2d\u7684\u5143\u7d20\u8fdb\u884c\u4fee\u6539\u3002\u901a\u8fc7\u4f20\u9012\u4e00\u4e2a\u6574\u6570\u53c2\u6570\u7ed9bytearray\u6784\u9020\u51fd\u6570\uff0c\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u6307\u5b9a\u957f\u5ea6\u7684\u5b57\u8282\u6570\u7ec4\uff0c\u6240\u6709\u5143\u7d20\u521d\u59cb\u503c\u4e3a0\u3002\u4f8b\u5982\uff0cbytearray(10)\u5c06\u521b\u5efa\u4e00\u4e2a\u957f\u5ea6\u4e3a10\u7684\u5b57\u8282\u6570\u7ec4\uff0c\u6240\u6709\u5143\u7d20\u521d\u59cb\u5316\u4e3a0\u3002<\/p>\n<\/p>\n<p><h2>\u4e00\u3001\u4f7f\u7528bytearray\u521d\u59cb\u5316\u5b57\u8282\u6570\u7ec4<\/h2>\n<\/p>\n<p><h3>1\u3001\u57fa\u7840\u4ecb\u7ecd<\/h3>\n<\/p>\n<p><p>bytearray\u662fPython\u5185\u7f6e\u7684\u4e00\u79cd\u6570\u636e\u7c7b\u578b\uff0c\u4e13\u95e8\u7528\u4e8e\u5904\u7406\u4e8c\u8fdb\u5236\u6570\u636e\u3002\u4e0ebytes\u4e0d\u540c\uff0cbytearray\u662f\u53ef\u53d8\u7684\uff0c\u8fd9\u610f\u5473\u7740\u53ef\u4ee5\u5bf9\u5176\u8fdb\u884c\u4fee\u6539\u3002\u5b83\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u51e0\u79cd\u65b9\u5f0f\u6765\u521b\u5efa\uff1a<\/p>\n<\/p>\n<ol>\n<li>\u901a\u8fc7\u4f20\u5165\u4e00\u4e2a\u6574\u6570\uff0c\u521b\u5efa\u6307\u5b9a\u957f\u5ea6\u7684\u5b57\u8282\u6570\u7ec4\uff0c\u6240\u6709\u5143\u7d20\u521d\u59cb\u5316\u4e3a0\u3002<\/li>\n<li>\u901a\u8fc7\u4f20\u5165\u4e00\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61\uff08\u5982\u5217\u8868\uff09\uff0c\u521b\u5efa\u5305\u542b\u8fd9\u4e9b\u5143\u7d20\u7684\u5b57\u8282\u6570\u7ec4\u3002<\/li>\n<li>\u901a\u8fc7\u4f20\u5165\u4e00\u4e2a\u5b57\u7b26\u4e32\uff08\u9700\u8981\u6307\u5b9a\u7f16\u7801\uff09\uff0c\u5c06\u5b57\u7b26\u4e32\u7f16\u7801\u4e3a\u5b57\u8282\u6570\u7ec4\u3002<\/li>\n<\/ol>\n<p><h3>2\u3001\u521b\u5efa\u56fa\u5b9a\u957f\u5ea6\u7684byte\u6570\u7ec4<\/h3>\n<\/p>\n<p><p>\u8981\u521b\u5efa\u4e00\u4e2a\u56fa\u5b9a\u957f\u5ea6\u7684byte\u6570\u7ec4\uff0c\u53ef\u4ee5\u76f4\u63a5\u4f20\u9012\u4e00\u4e2a\u6574\u6570\u7ed9bytearray\u6784\u9020\u51fd\u6570\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">length = 10<\/p>\n<p>byte_array = bytearray(length)<\/p>\n<p>print(byte_array)  # \u8f93\u51fa: bytearray(b&#39;\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00&#39;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u957f\u5ea6\u4e3a10\u7684byte\u6570\u7ec4\uff0c\u6240\u6709\u5143\u7d20\u521d\u59cb\u5316\u4e3a0\u3002<\/p>\n<\/p>\n<p><h3>3\u3001\u4fee\u6539byte\u6570\u7ec4<\/h3>\n<\/p>\n<p><p>bytearray\u7684\u4e00\u4e2a\u91cd\u8981\u7279\u6027\u662f\u5b83\u662f\u53ef\u53d8\u7684\uff0c\u8fd9\u610f\u5473\u7740\u53ef\u4ee5\u5bf9\u5176\u5143\u7d20\u8fdb\u884c\u4fee\u6539\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">byte_array[0] = 1<\/p>\n<p>byte_array[1] = 255<\/p>\n<p>print(byte_array)  # \u8f93\u51fa: bytearray(b&#39;\\x01\\xff\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00&#39;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4fee\u6539\u4e86byte\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u548c\u7b2c\u4e8c\u4e2a\u5143\u7d20\u3002<\/p>\n<\/p>\n<p><h2>\u4e8c\u3001\u4f7f\u7528\u6570\u7ec4\u6a21\u5757\u521d\u59cb\u5316\u5b57\u8282\u6570\u7ec4<\/h2>\n<\/p>\n<p><h3>1\u3001\u6570\u7ec4\u6a21\u5757\u7b80\u4ecb<\/h3>\n<\/p>\n<p><p>\u6570\u7ec4\u6a21\u5757\uff08array module\uff09\u662fPython\u6807\u51c6\u5e93\u4e2d\u7684\u4e00\u4e2a\u6a21\u5757\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e00\u79cd\u9ad8\u6548\u7684\u6570\u7ec4\u5b9e\u73b0\u3002\u4e0e\u5217\u8868\u4e0d\u540c\uff0c\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u5fc5\u987b\u662f\u76f8\u540c\u7c7b\u578b\u7684\u3002\u6570\u7ec4\u6a21\u5757\u652f\u6301\u591a\u79cd\u6570\u636e\u7c7b\u578b\uff0c\u5305\u62ec\u6574\u6570\u3001\u6d6e\u70b9\u6570\u548c\u5b57\u7b26\u3002<\/p>\n<\/p>\n<p><h3>2\u3001\u521b\u5efa\u5b57\u8282\u6570\u7ec4<\/h3>\n<\/p>\n<p><p>\u8981\u4f7f\u7528\u6570\u7ec4\u6a21\u5757\u521b\u5efa\u5b57\u8282\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u7c7b\u578b\u4ee3\u7801&#39;b&#39;\uff0c\u8868\u793a\u5b57\u8282\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import array<\/p>\n<p>length = 10<\/p>\n<p>byte_array = array.array(&#39;b&#39;, [0] * length)<\/p>\n<p>print(byte_array)  # \u8f93\u51fa: array(&#39;b&#39;, [0, 0, 0, 0, 0, 0, 0, 0, 0, 0])<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u6570\u7ec4\u6a21\u5757\u521b\u5efa\u4e86\u4e00\u4e2a\u957f\u5ea6\u4e3a10\u7684\u5b57\u8282\u6570\u7ec4\uff0c\u6240\u6709\u5143\u7d20\u521d\u59cb\u5316\u4e3a0\u3002<\/p>\n<\/p>\n<p><h3>3\u3001\u4fee\u6539\u5b57\u8282\u6570\u7ec4<\/h3>\n<\/p>\n<p><p>\u4e0ebytearray\u7c7b\u4f3c\uff0c\u53ef\u4ee5\u4fee\u6539\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">byte_array[0] = 1<\/p>\n<p>byte_array[1] = 127<\/p>\n<p>print(byte_array)  # \u8f93\u51fa: array(&#39;b&#39;, [1, 127, 0, 0, 0, 0, 0, 0, 0, 0])<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4fee\u6539\u4e86\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u548c\u7b2c\u4e8c\u4e2a\u5143\u7d20\u3002<\/p>\n<\/p>\n<p><h2>\u4e09\u3001\u4f7f\u7528\u5b57\u8282\u5b57\u7b26\u4e32\u521d\u59cb\u5316\u5b57\u8282\u6570\u7ec4<\/h2>\n<\/p>\n<p><h3>1\u3001\u5b57\u8282\u5b57\u7b26\u4e32\u7b80\u4ecb<\/h3>\n<\/p>\n<p><p>\u5b57\u8282\u5b57\u7b26\u4e32\uff08bytes\uff09\u662fPython\u4e2d\u7684\u4e00\u79cd\u4e0d\u53ef\u53d8\u5e8f\u5217\uff0c\u5b83\u5305\u542b\u8303\u56f4\u57280\u5230255\u4e4b\u95f4\u7684\u6574\u6570\u3002\u4e0ebytearray\u4e0d\u540c\uff0c\u5b57\u8282\u5b57\u7b26\u4e32\u4e00\u65e6\u521b\u5efa\u5c31\u4e0d\u80fd\u4fee\u6539\u3002<\/p>\n<\/p>\n<p><h3>2\u3001\u521b\u5efa\u56fa\u5b9a\u957f\u5ea6\u7684\u5b57\u8282\u5b57\u7b26\u4e32<\/h3>\n<\/p>\n<p><p>\u8981\u521b\u5efa\u4e00\u4e2a\u56fa\u5b9a\u957f\u5ea6\u7684\u5b57\u8282\u5b57\u7b26\u4e32\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u51e0\u79cd\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n<ol>\n<li>\u4f7f\u7528\u5b57\u8282\u5b57\u7b26\u4e32\u5b57\u9762\u91cf\u3002<\/li>\n<li>\u4f7f\u7528bytes\u6784\u9020\u51fd\u6570\u3002<\/li>\n<\/ol>\n<p><p>\u4ee5\u4e0b\u662f\u4e00\u4e9b\u793a\u4f8b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u4f7f\u7528\u5b57\u8282\u5b57\u7b26\u4e32\u5b57\u9762\u91cf<\/p>\n<p>byte_string = b&#39;\\x00&#39; * 10<\/p>\n<p>print(byte_string)  # \u8f93\u51fa: b&#39;\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00&#39;<\/p>\n<h2><strong>\u4f7f\u7528bytes\u6784\u9020\u51fd\u6570<\/strong><\/h2>\n<p>length = 10<\/p>\n<p>byte_string = bytes([0] * length)<\/p>\n<p>print(byte_string)  # \u8f93\u51fa: b&#39;\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00\\x00&#39;<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e9b\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u521b\u5efa\u4e86\u4e00\u4e2a\u957f\u5ea6\u4e3a10\u7684\u5b57\u8282\u5b57\u7b26\u4e32\uff0c\u6240\u6709\u5143\u7d20\u521d\u59cb\u5316\u4e3a0\u3002<\/p>\n<\/p>\n<p><h3>3\u3001\u5b57\u8282\u5b57\u7b26\u4e32\u7684\u4e0d\u53ef\u53d8\u6027<\/h3>\n<\/p>\n<p><p>\u5b57\u8282\u5b57\u7b26\u4e32\u662f\u4e0d\u53ef\u53d8\u7684\uff0c\u8fd9\u610f\u5473\u7740\u4e0d\u80fd\u4fee\u6539\u5176\u4e2d\u7684\u5143\u7d20\u3002\u5982\u679c\u9700\u8981\u4fee\u6539\u5b57\u8282\u6570\u7ec4\u7684\u5185\u5bb9\uff0c\u5e94\u8be5\u4f7f\u7528bytearray\u3002<\/p>\n<\/p>\n<p><h2>\u56db\u3001\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\u521d\u59cb\u5316\u5b57\u8282\u6570\u7ec4<\/h2>\n<\/p>\n<p><h3>1\u3001NumPy\u5e93\u7b80\u4ecb<\/h3>\n<\/p>\n<p><p>NumPy\u662f\u4e00\u4e2a\u7528\u4e8e\u79d1\u5b66\u8ba1\u7b97\u7684\u7b2c\u4e09\u65b9\u5e93\uff0c\u5b83\u63d0\u4f9b\u4e86\u9ad8\u6548\u7684\u591a\u7ef4\u6570\u7ec4\u5bf9\u8c61\u3002NumPy\u6570\u7ec4\u652f\u6301\u591a\u79cd\u6570\u636e\u7c7b\u578b\uff0c\u5305\u62ec\u5b57\u8282\u3002<\/p>\n<\/p>\n<p><h3>2\u3001\u521b\u5efa\u56fa\u5b9a\u957f\u5ea6\u7684\u5b57\u8282\u6570\u7ec4<\/h3>\n<\/p>\n<p><p>\u8981\u4f7f\u7528NumPy\u521b\u5efa\u56fa\u5b9a\u957f\u5ea6\u7684\u5b57\u8282\u6570\u7ec4\uff0c\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import numpy as np<\/p>\n<p>length = 10<\/p>\n<p>byte_array = np.zeros(length, dtype=np.uint8)<\/p>\n<p>print(byte_array)  # \u8f93\u51fa: [0 0 0 0 0 0 0 0 0 0]<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528NumPy\u521b\u5efa\u4e86\u4e00\u4e2a\u957f\u5ea6\u4e3a10\u7684\u5b57\u8282\u6570\u7ec4\uff0c\u6240\u6709\u5143\u7d20\u521d\u59cb\u5316\u4e3a0\u3002<\/p>\n<\/p>\n<p><h3>3\u3001\u4fee\u6539NumPy\u6570\u7ec4<\/h3>\n<\/p>\n<p><p>\u4e0ebytearray\u548c\u6570\u7ec4\u6a21\u5757\u7c7b\u4f3c\uff0c\u53ef\u4ee5\u4fee\u6539NumPy\u6570\u7ec4\u4e2d\u7684\u5143\u7d20\u3002\u4f8b\u5982\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">byte_array[0] = 1<\/p>\n<p>byte_array[1] = 255<\/p>\n<p>print(byte_array)  # \u8f93\u51fa: [  1 255   0   0   0   0   0   0   0   0]<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4fee\u6539\u4e86NumPy\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u548c\u7b2c\u4e8c\u4e2a\u5143\u7d20\u3002<\/p>\n<\/p>\n<p><h2>\u4e94\u3001\u9009\u62e9\u9002\u5408\u7684\u65b9\u6cd5<\/h2>\n<\/p>\n<p><h3>1\u3001\u6027\u80fd\u8003\u8651<\/h3>\n<\/p>\n<p><p>\u4e0d\u540c\u7684\u65b9\u6cd5\u5728\u6027\u80fd\u4e0a\u6709\u5dee\u5f02\u3002<strong>bytearray\u548c\u6570\u7ec4\u6a21\u5757\u5728\u6027\u80fd\u4e0a\u8f83\u4e3a\u63a5\u8fd1\uff0c\u9002\u7528\u4e8e\u5927\u591a\u6570\u573a\u666f\u3002<\/strong>NumPy\u5728\u5904\u7406\u5927\u89c4\u6a21\u6570\u636e\u65f6\u8868\u73b0\u51fa\u8272\uff0c\u4f46\u5176\u5b89\u88c5\u548c\u4f7f\u7528\u76f8\u5bf9\u590d\u6742\u3002<\/p>\n<\/p>\n<p><h3>2\u3001\u53ef\u53d8\u6027\u8003\u8651<\/h3>\n<\/p>\n<p><p><strong>\u5982\u679c\u9700\u8981\u4fee\u6539\u5b57\u8282\u6570\u7ec4\u7684\u5185\u5bb9\uff0c\u5e94\u8be5\u9009\u62e9bytearray\u6216\u6570\u7ec4\u6a21\u5757\u3002<\/strong>\u5b57\u8282\u5b57\u7b26\u4e32\uff08bytes\uff09\u662f\u4e0d\u53ef\u53d8\u7684\uff0c\u9002\u7528\u4e8e\u53ea\u8bfb\u573a\u666f\u3002<\/p>\n<\/p>\n<p><h3>3\u3001\u7b2c\u4e09\u65b9\u5e93\u4f9d\u8d56<\/h3>\n<\/p>\n<p><p>\u4f7f\u7528NumPy\u9700\u8981\u5b89\u88c5\u7b2c\u4e09\u65b9\u5e93\uff0c\u9002\u7528\u4e8e\u9700\u8981\u8fdb\u884c\u590d\u6742\u79d1\u5b66\u8ba1\u7b97\u7684\u573a\u666f\u3002\u5bf9\u4e8e\u7b80\u5355\u7684\u5b57\u8282\u6570\u7ec4\u64cd\u4f5c\uff0c\u5efa\u8bae\u4f7f\u7528\u5185\u7f6e\u7684bytearray\u6216\u6570\u7ec4\u6a21\u5757\u3002<\/p>\n<\/p>\n<p><h2>\u516d\u3001\u603b\u7ed3<\/h2>\n<\/p>\n<p><p>\u672c\u6587\u8be6\u7ec6\u4ecb\u7ecd\u4e86Python\u4e2d\u521d\u59cb\u5316\u5b57\u8282\u6570\u7ec4\u957f\u5ea6\u7684\u591a\u79cd\u65b9\u6cd5\uff0c\u5305\u62ec\u4f7f\u7528bytearray\u3001\u6570\u7ec4\u6a21\u5757\u3001\u5b57\u8282\u5b57\u7b26\u4e32\u548c\u7b2c\u4e09\u65b9\u5e93NumPy\u3002\u6bcf\u79cd\u65b9\u6cd5\u90fd\u6709\u5176\u4f18\u7f3a\u70b9\uff0c\u5e94\u6839\u636e\u5177\u4f53\u9700\u6c42\u9009\u62e9\u9002\u5408\u7684\u65b9\u6cd5\u3002<\/p>\n<\/p>\n<p><p>\u65e0\u8bba\u9009\u62e9\u54ea\u79cd\u65b9\u6cd5\uff0c\u638c\u63e1\u8fd9\u4e9b\u6280\u672f\u5c06\u6709\u52a9\u4e8e\u66f4\u9ad8\u6548\u5730\u5904\u7406\u4e8c\u8fdb\u5236\u6570\u636e\u3002\u5e0c\u671b\u672c\u6587\u80fd\u4e3a\u8bfb\u8005\u63d0\u4f9b\u6709\u4ef7\u503c\u7684\u4fe1\u606f\uff0c\u5e2e\u52a9\u66f4\u597d\u5730\u7406\u89e3\u548c\u4f7f\u7528Python\u4e2d\u7684\u5b57\u8282\u6570\u7ec4\u3002<\/p>\n<\/p>\n<hr>\n<p><p>\u901a\u8fc7\u672c\u6587\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u76f8\u4fe1\u8bfb\u8005\u5df2\u7ecf\u638c\u63e1\u4e86\u591a\u79cd\u521d\u59cb\u5316\u5b57\u8282\u6570\u7ec4\u957f\u5ea6\u7684\u65b9\u6cd5\u3002\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u9009\u62e9\u9002\u5408\u7684\u65b9\u6cd5\u5c06\u63d0\u9ad8\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u6267\u884c\u6548\u7387\u3002\u795d\u613f\u5927\u5bb6\u5728Python\u7f16\u7a0b\u7684\u9053\u8def\u4e0a\u8d8a\u8d70\u8d8a\u8fdc\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5728Python\u4e2d\uff0c\u5982\u4f55\u521b\u5efa\u4e00\u4e2a\u6307\u5b9a\u957f\u5ea6\u7684byte\u6570\u7ec4\uff1f<\/strong><br \/>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u4f7f\u7528<code>bytearray<\/code>\u6765\u521d\u59cb\u5316\u4e00\u4e2a\u6307\u5b9a\u957f\u5ea6\u7684byte\u6570\u7ec4\u3002\u60a8\u53ea\u9700\u5728\u521b\u5efa\u65f6\u4f20\u5165\u6240\u9700\u7684\u957f\u5ea6\uff0c\u4f8b\u5982\uff1a<code>byte_array = bytearray(10)<\/code>\uff0c\u8fd9\u5c06\u521b\u5efa\u4e00\u4e2a\u957f\u5ea6\u4e3a10\u7684byte\u6570\u7ec4\uff0c\u521d\u59cb\u503c\u4e3a0\u3002<\/p>\n<p><strong>\u5982\u4f55\u5728Python\u4e2d\u5c06byte\u6570\u7ec4\u7684\u7279\u5b9a\u4f4d\u7f6e\u8d4b\u503c\uff1f<\/strong><br \/>\u5728byte\u6570\u7ec4\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u7d22\u5f15\u76f4\u63a5\u8bbf\u95ee\u548c\u4fee\u6539\u7279\u5b9a\u4f4d\u7f6e\u7684\u503c\u3002\u4f8b\u5982\uff0c\u5982\u679c\u60a8\u60f3\u5c06byte\u6570\u7ec4\u7684\u7b2c\u4e00\u4e2a\u5143\u7d20\u8bbe\u7f6e\u4e3a255\uff0c\u53ef\u4ee5\u4f7f\u7528<code>byte_array[0] = 255<\/code>\u3002\u786e\u4fdd\u8d4b\u503c\u7684\u503c\u57280\u5230255\u7684\u8303\u56f4\u5185\uff0c\u4ee5\u907f\u514d\u5f15\u53d1\u9519\u8bef\u3002<\/p>\n<p><strong>\u662f\u5426\u53ef\u4ee5\u5728Python\u4e2d\u4f7f\u7528\u666e\u901a\u7684\u5217\u8868\u66ff\u4ee3byte\u6570\u7ec4\uff1f<\/strong><br \/>\u867d\u7136\u53ef\u4ee5\u4f7f\u7528\u666e\u901a\u7684\u5217\u8868\u6765\u5b58\u50a8\u5b57\u8282\u503c\uff0c\u4f46byte\u6570\u7ec4\u5728\u5904\u7406\u4e8c\u8fdb\u5236\u6570\u636e\u65f6\u66f4\u4e3a\u9ad8\u6548\u3002byte\u6570\u7ec4\u662f\u4e0d\u53ef\u53d8\u7684\uff0c\u4e13\u95e8\u7528\u4e8e\u5904\u7406\u4e8c\u8fdb\u5236\u6570\u636e\uff0c\u56e0\u6b64\u5728\u6027\u80fd\u548c\u5185\u5b58\u6548\u7387\u65b9\u9762\u901a\u5e38\u4f18\u4e8e\u666e\u901a\u5217\u8868\u3002\u82e5\u60a8\u7684\u5e94\u7528\u9700\u8981\u9891\u7e41\u64cd\u4f5c\u4e8c\u8fdb\u5236\u6570\u636e\uff0c\u5efa\u8bae\u4f7f\u7528byte\u6570\u7ec4\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\uff0c\u521d\u59cb\u5316byte\u6570\u7ec4\u957f\u5ea6\u7684\u65b9\u6cd5\u6709\u591a\u79cd\uff0c\u5305\u62ec\u4f7f\u7528\u5b57\u8282\u5b57\u7b26\u4e32\u3001bytearray\u6784\u9020\u51fd\u6570\u3001\u6570\u7ec4\u6a21\u5757 [&hellip;]","protected":false},"author":3,"featured_media":1134368,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1134361"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=1134361"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1134361\/revisions"}],"predecessor-version":[{"id":1134370,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1134361\/revisions\/1134370"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1134368"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1134361"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1134361"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1134361"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}