{"id":875,"date":"2023-07-22T03:07:50","date_gmt":"2022-12-29T07:08:31","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/index.php\/2023\/11\/30\/python%e5%ad%97%e7%ac%a6%e4%b8%b2%e6%8b%bc%e6%8e%a5\/"},"modified":"2025-08-03T14:31:16","modified_gmt":"2025-08-03T06:31:16","slug":"python%e5%ad%97%e7%ac%a6%e4%b8%b2%e6%8b%bc%e6%8e%a5","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/python%e5%ad%97%e7%ac%a6%e4%b8%b2%e6%8b%bc%e6%8e%a5\/","title":{"rendered":"Python\u5b57\u7b26\u4e32\u62fc\u63a5\uff1a\u9ad8\u6548\u65b9\u6cd5\u4e0e\u6027\u80fd\u4f18\u5316\u6307\u5357"},"content":{"rendered":"<p>\u8fd9\u662f\u6587\u7ae0\u300aPython\u5b57\u7b26\u4e32\u62fc\u63a5\u300b\u7684\u7b2c1\u90e8\u5206\uff08\u51711\u90e8\u5206\uff09\u3002<\/p>\n<p>\u5185\u5bb9\u7247\u6bb5: \u5b57\u7b26\u4e32\u62fc\u63a5\u662f\u7f16\u7a0b\u4e2d\u975e\u5e38\u5e38\u89c1\u7684\u64cd\u4f5c\u3002Python\u4e2d\u53ef\u4ee5\u4f7f\u7528\u591a\u79cd\u65b9\u6cd5\u8fdb\u884c\u5b57\u7b26\u4e32\u62fc\u63a5\u3002\u672c\u6559\u7a0b\u65e8\u5728\u63a2\u8ba8\u5728Python\u7a0b\u5e8f\u4e2d\u62fc\u63a5\u5b57\u7b26\u4e32\u7684\u4e0d\u540c\u65b9\u6cd5\u3002<\/p>\n<h2>Python \u5b57\u7b26\u4e32\u8fde\u63a5<\/h2>\n<p>\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u5f0f\u6267\u884c\u5b57\u7b26\u4e32\u8fde\u63a5\uff1a<\/p>\n<ul class=\"post-ul\">\n<li>\u4f7f\u7528 + \u8fd0\u7b97\u7b26<\/li>\n<li>\u4f7f\u7528 join() \u65b9\u6cd5<\/li>\n<li>\u4f7f\u7528 % \u8fd0\u7b97\u7b26<\/li>\n<li>\u4f7f\u7528 format() \u51fd\u6570<\/li>\n<li>\u4f7f\u7528 f-string (\u5b57\u9762\u5b57\u7b26\u4e32\u63d2\u503c)<\/li>\n<\/ul>\n<h3>\u4f7f\u7528 + \u8fd0\u7b97\u7b26\u8fdb\u884c\u5b57\u7b26\u4e32\u8fde\u63a5<\/h3>\n<p>\u8fd9\u662f\u5b57\u7b26\u4e32\u62fc\u63a5\u7684\u6700\u7b80\u5355\u65b9\u6cd5\u3002\u8ba9\u6211\u4eec\u770b\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\u3002<\/p>\n<pre class=\"post-pre\"><code>s1 = 'Apple'\r\ns2 = 'Pie'\r\ns3 = 'Sauce'\r\n\r\ns4 = s1 + s2 + s3\r\n\r\nprint(s4)\r\n<\/code><\/pre>\n<p>\u8f93\u51fa\u7ed3\u679c\uff1a<\/p>\n<pre class=\"post-pre\"><code>ApplePieSauce\r\n<\/code><\/pre>\n<p>\u8ba9\u6211\u4eec\u6765\u770b\u53e6\u4e00\u4e2a\u4f8b\u5b50\uff0c\u5176\u4e2d\u6211\u4eec\u5c06\u4ece\u7528\u6237\u8f93\u5165\u4e2d\u83b7\u53d6\u4e24\u4e2a\u5b57\u7b26\u4e32\u5e76\u5c06\u5b83\u4eec\u8fde\u63a5\u8d77\u6765\u3002<\/p>\n<pre class=\"post-pre\"><code>s1 = input('\u8bf7\u8f93\u5165\u7b2c\u4e00\u4e2a\u5b57\u7b26\u4e32:\\n')\r\ns2 = input('\u8bf7\u8f93\u5165\u7b2c\u4e8c\u4e2a\u5b57\u7b26\u4e32:\\n')\r\n\r\nprint('\u62fc\u63a5\u540e\u7684\u5b57\u7b26\u4e32 =', s1 + s2)\r\n<\/code><\/pre>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre class=\"post-pre\"><code>\u8bf7\u8f93\u5165\u7b2c\u4e00\u4e2a\u5b57\u7b26\u4e32:\r\n\u4f60\u597d\r\n\u8bf7\u8f93\u5165\u7b2c\u4e8c\u4e2a\u5b57\u7b26\u4e32:\r\n\u4e16\u754c\r\n\u62fc\u63a5\u540e\u7684\u5b57\u7b26\u4e32 = \u4f60\u597d\u4e16\u754c\r\n<\/code><\/pre>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/65648830a4b2f92e6c731b35\/11-0.png\" alt=\"python string concatenation\" \/><\/div>\n<pre class=\"post-pre\"><code>&gt;&gt;&gt;'\u4f60\u597d' + 4\r\nTraceback (most recent call last):\r\n  File \"<input>\", line 1, in \r\nTypeError: \u53ea\u80fd\u5c06\u5b57\u7b26\u4e32\uff08\u800c\u975e\"int\"\uff09\u4e0e\u5b57\u7b26\u4e32\u8fde\u63a5\r\n<\/code><\/pre>\n<p>\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528str()\u51fd\u6570\u6765\u83b7\u5f97\u4e00\u4e2a\u5bf9\u8c61\u7684\u5b57\u7b26\u4e32\u8868\u793a\u3002\u8ba9\u6211\u4eec\u770b\u770b\u5982\u4f55\u5c06\u4e00\u4e2a\u5b57\u7b26\u4e32\u4e0e\u6574\u6570\u6216\u53e6\u4e00\u4e2a\u5bf9\u8c61\u8fde\u63a5\u8d77\u6765\u3002<\/p>\n<pre class=\"post-pre\"><code>print('\u4f60\u597d' + str(4))\r\n\r\n\r\nclass Data:\r\n    id = 0\r\n\r\n    def __init__(self, i):\r\n        self.id = i\r\n\r\n    def __str__(self):\r\n        return 'Data[' + str(self.id) + ']'\r\n\r\n\r\nprint('\u4f60\u597d ' + str(Data(10)))\r\n<\/code><\/pre>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre class=\"post-pre\"><code>\u4f60\u597d4\r\n\u4f60\u597d Data[10]\r\n<\/code><\/pre>\n<p>+ \u8fd0\u7b97\u7b26\u6700\u5927\u7684\u95ee\u9898\u662f\u6211\u4eec\u65e0\u6cd5\u5728\u5b57\u7b26\u4e32\u4e4b\u95f4\u6dfb\u52a0\u5206\u9694\u7b26\u6216\u5b9a\u754c\u7b26\u3002\u4f8b\u5982\uff0c\u5982\u679c\u6211\u4eec\u8981\u4f7f\u7528\u7a7a\u683c\u5206\u9694\u7b26\u8fde\u63a5&#8221;\u4f60\u597d&#8221;\u548c&#8221;\u4e16\u754c&#8221;\uff0c\u6211\u4eec\u5fc5\u987b\u5c06\u5176\u5199\u4e3a&#8221;\u4f60\u597d&#8221; + &#8221; &#8221; + &#8220;\u4e16\u754c&#8221;\u3002<\/p>\n<h3>\u4f7f\u7528join()\u51fd\u6570\u8fdb\u884c\u5b57\u7b26\u4e32\u62fc\u63a5<\/h3>\n<p>\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528join()\u51fd\u6570\u6765\u7528\u5206\u9694\u7b26\u8fde\u63a5\u5b57\u7b26\u4e32\u3002\u5f53\u6211\u4eec\u6709\u4e00\u7cfb\u5217\u5b57\u7b26\u4e32\u65f6\uff0c\u6bd4\u5982\u5b57\u7b26\u4e32\u7684\u5217\u8868\u6216\u5143\u7ec4\uff0c\u8fd9\u4e2a\u51fd\u6570\u975e\u5e38\u6709\u7528\u3002\u5982\u679c\u4f60\u4e0d\u60f3\u8981\u5206\u9694\u7b26\uff0c\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e2a\u7a7a\u5b57\u7b26\u4e32\u6765\u8c03\u7528join()\u51fd\u6570\u3002<\/p>\n<pre class=\"post-pre\"><code>s1 = '\u4f60\u597d'\r\ns2 = '\u4e16\u754c'\r\n\r\nprint('\u4f7f\u7528join()\u62fc\u63a5\u7684\u5b57\u7b26\u4e32 =', \"\".join([s1, s2]))\r\n\r\nprint('\u4f7f\u7528join()\u548c\u7a7a\u683c\u62fc\u63a5\u7684\u5b57\u7b26\u4e32 =', \" \".join([s1, s2]))\r\n<\/code><\/pre>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre class=\"post-pre\"><code>\u4f7f\u7528join()\u62fc\u63a5\u7684\u5b57\u7b26\u4e32 = \u4f60\u597d\u4e16\u754c\r\n\u4f7f\u7528join()\u548c\u7a7a\u683c\u62fc\u63a5\u7684\u5b57\u7b26\u4e32 = \u4f60\u597d \u4e16\u754c\r\n<\/code><\/pre>\n<h3>\u4f7f\u7528%\u64cd\u4f5c\u7b26\u8fdb\u884c\u5b57\u7b26\u4e32\u8fde\u63a5<\/h3>\n<p>\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u767e\u5206\u53f7\uff08%\uff09\u8fd0\u7b97\u7b26\u8fdb\u884c\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\uff0c\u5b83\u4e5f\u53ef\u4ee5\u7528\u4e8e\u5b57\u7b26\u4e32\u7684\u8fde\u63a5\u3002\u5f53\u6211\u4eec\u60f3\u8981\u8fde\u63a5\u5b57\u7b26\u4e32\u548c\u8fdb\u884c\u7b80\u5355\u683c\u5f0f\u5316\u65f6\uff0c\u5b83\u975e\u5e38\u6709\u7528\u3002<\/p>\n<pre class=\"post-pre\"><code>s1 = '\u4f60\u597d'\r\ns2 = '\u4e16\u754c'\r\n\r\ns3 = \"%s %s\" % (s1, s2)\r\nprint('\u4f7f\u7528%\u8fd0\u7b97\u7b26\u8fdb\u884c\u5b57\u7b26\u4e32\u62fc\u63a5 =', s3)\r\n\r\ns3 = \"%s %s \u6765\u81ea JournalDev - %d\" % (s1, s2, 2018)\r\nprint('\u4f7f\u7528%\u8fd0\u7b97\u7b26\u8fdb\u884c\u5e26\u683c\u5f0f\u7684\u5b57\u7b26\u4e32\u62fc\u63a5 =', s3)\r\n<\/code><\/pre>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre class=\"post-pre\"><code>\u4f7f\u7528%\u8fd0\u7b97\u7b26\u8fdb\u884c\u5b57\u7b26\u4e32\u62fc\u63a5 = \u4f60\u597d \u4e16\u754c\r\n\u4f7f\u7528%\u8fd0\u7b97\u7b26\u8fdb\u884c\u5e26\u683c\u5f0f\u7684\u5b57\u7b26\u4e32\u62fc\u63a5 = \u4f60\u597d \u4e16\u754c \u6765\u81ea JournalDev - 2018\r\n<\/code><\/pre>\n<h3>\u4f7f\u7528format()\u51fd\u6570\u8fdb\u884c\u5b57\u7b26\u4e32\u62fc\u63a5<\/h3>\n<p>\u6211\u4eec\u8fd8\u53ef\u4ee5\u4f7f\u7528\u5b57\u7b26\u4e32\u7684format()\u51fd\u6570\u6765\u8fdb\u884c\u5b57\u7b26\u4e32\u7684\u62fc\u63a5\u548c\u683c\u5f0f\u5316\u3002<\/p>\n<pre class=\"post-pre\"><code>s1 = '\u4f60\u597d'\r\ns2 = '\u4e16\u754c'\r\n\r\ns3 = \"{}-{}\".format(s1, s2)\r\nprint('\u4f7f\u7528format()\u8fdb\u884c\u5b57\u7b26\u4e32\u62fc\u63a5 =', s3)\r\n\r\ns3 = \"{in1} {in2}\".format(in1=s1, in2=s2)\r\nprint('\u4f7f\u7528format()\u8fdb\u884c\u5b57\u7b26\u4e32\u62fc\u63a5 =', s3)\r\n<\/code><\/pre>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre class=\"post-pre\"><code>\u4f7f\u7528format()\u8fdb\u884c\u5b57\u7b26\u4e32\u62fc\u63a5 = \u4f60\u597d-\u4e16\u754c\r\n\u4f7f\u7528format()\u8fdb\u884c\u5b57\u7b26\u4e32\u62fc\u63a5 = \u4f60\u597d \u4e16\u754c\r\n<\/code><\/pre>\n<p>Python\u7684\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u51fd\u6570\u975e\u5e38\u5f3a\u5927\uff0c\u4ec5\u5c06\u5176\u7528\u4e8e\u5b57\u7b26\u4e32\u7684\u8fde\u63a5\u5e76\u4e0d\u662f\u5176\u9002\u5f53\u7684\u7528\u6cd5\u3002<\/p>\n<h3>\u4f7f\u7528f\u5b57\u7b26\u4e32\u8fdb\u884c\u5b57\u7b26\u4e32\u8fde\u63a5<\/h3>\n<p>\u5982\u679c\u4f60\u4f7f\u7528\u7684\u662fPython 3.6\u6216\u66f4\u9ad8\u7248\u672c\uff0c\u4f60\u4e5f\u53ef\u4ee5\u4f7f\u7528f-string\u8fdb\u884c\u5b57\u7b26\u4e32\u62fc\u63a5\u3002\u8fd9\u662f\u4e00\u79cd\u65b0\u7684\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u65b9\u5f0f\uff0c\u5728PEP 498 &#8211; \u5b57\u9762\u5b57\u7b26\u4e32\u63d2\u503c\u4e2d\u5f15\u5165\u3002<\/p>\n<pre class=\"post-pre\"><code>s1 = '\u4f60\u597d'\r\ns2 = '\u4e16\u754c'\r\n\r\ns3 = f'{s1} {s2}'\r\nprint('\u4f7f\u7528f-string\u8fdb\u884c\u5b57\u7b26\u4e32\u62fc\u63a5 =', s3)\r\n\r\nname = 'Pankaj'\r\nage = 34\r\nd = Data(10)\r\n\r\nprint(f'{name} \u7684\u5e74\u9f84\u662f {age} \u4e14 d={d}')\r\n<\/code><\/pre>\n<p>\u8f93\u51fa\uff1a<\/p>\n<pre class=\"post-pre\"><code>\u4f7f\u7528f-string\u8fdb\u884c\u5b57\u7b26\u4e32\u62fc\u63a5 = \u4f60\u597d \u4e16\u754c\r\nPankaj \u7684\u5e74\u9f84\u662f 34 \u4e14 d=Data[10]\r\n<\/code><\/pre>\n<p>\u4e0eformat()\u51fd\u6570\u76f8\u6bd4\uff0cPython\u7684f-string\u66f4\u6e05\u6670\u3001\u66f4\u6613\u4e8e\u7f16\u5199\u3002\u5f53\u7528\u5bf9\u8c61\u53c2\u6570\u4f5c\u4e3a\u5b57\u6bb5\u66ff\u6362\u65f6\uff0c\u5b83\u8fd8\u4f1a\u8c03\u7528str()\u51fd\u6570\u3002<\/p>\n<h2>\u7ed3\u8bba<\/h2>\n<p>\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u591a\u79cd\u65b9\u5f0f\u8fdb\u884c\u5b57\u7b26\u4e32\u683c\u5f0f\u5316\u3002\u6839\u636e\u9700\u6c42\u9009\u62e9\u4f7f\u7528\u5b83\u4eec\u3002\u5982\u679c\u9700\u8981\u5c06\u4e00\u7cfb\u5217\u5b57\u7b26\u4e32\u8fde\u63a5\u8d77\u6765\u5e76\u4e14\u5e26\u6709\u5206\u9694\u7b26\uff0c\u53ef\u4ee5\u4f7f\u7528join()\u51fd\u6570\u3002\u5982\u679c\u9664\u4e86\u8fde\u63a5\u5b57\u7b26\u4e32\u8fd8\u9700\u8981\u8fdb\u884c\u683c\u5f0f\u5316\uff0c\u53ef\u4ee5\u4f7f\u7528format()\u51fd\u6570\u6216\u8005f-string\u3002\u8bf7\u6ce8\u610f\uff0cf-string\u53ea\u80fd\u5728Python 3.6\u6216\u66f4\u9ad8\u7248\u672c\u4e2d\u4f7f\u7528\u3002<\/p>\n<p>\u60a8\u53ef\u4ee5\u4ece\u6211\u4eec\u7684GitHub\u5b58\u50a8\u5e93\u4e2d\u67e5\u770b\u5b8c\u6574\u7684Python\u811a\u672c\u548c\u66f4\u591aPython\u793a\u4f8b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd9\u662f\u6587\u7ae0\u300aPython\u5b57\u7b26\u4e32\u62fc\u63a5\u300b\u7684\u7b2c1\u90e8\u5206\uff08\u51711\u90e8\u5206\uff09\u3002 \u5185\u5bb9\u7247\u6bb5: \u5b57\u7b26\u4e32\u62fc\u63a5\u662f\u7f16\u7a0b\u4e2d\u975e\u5e38\u5e38\u89c1\u7684\u64cd\u4f5c\u3002Py [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[2276,280,1107,190],"class_list":{"0":"post-875","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"hentry","6":"category-uncategorized","7":"tag-python","10":"tag-190"},"yoast_head":"<!-- This site is optimized 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