{"id":303274,"date":"2024-05-20T18:56:00","date_gmt":"2024-05-20T10:56:00","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/303274.html"},"modified":"2024-05-20T18:56:28","modified_gmt":"2024-05-20T10:56:28","slug":"javascript-%e7%a8%8b%e5%ba%8f%e4%b8%ad-split-%e5%87%bd%e6%95%b0%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8-2","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/303274.html","title":{"rendered":"Javascript \u7a0b\u5e8f\u4e2d split \u51fd\u6570\u5982\u4f55\u4f7f\u7528"},"content":{"rendered":"

\"Javascript<\/p>\n

JavaScript \u7a0b\u5e8f\u4e2d\u7684 split \u51fd\u6570\u7528\u4e8e\u5c06\u5b57\u7b26\u4e32\u6309\u7167\u6307\u5b9a\u7684\u5206\u9694\u7b26\u62c6\u5206\u6210\u5b50\u5b57\u7b26\u4e32\u6570\u7ec4<\/strong>\u3002\u8be5\u65b9\u6cd5\u7684\u51e0\u4e2a\u6838\u5fc3\u8981\u70b9\u5305\u62ec\uff1a\u5b9a\u4e49\u5206\u9694\u7b26\u3001\u9650\u5236\u8fd4\u56de\u7684\u5b50\u5b57\u7b26\u4e32\u6570\u76ee\u3001\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u4f5c\u4e3a\u5206\u9694\u7b26<\/strong>\u3002\u5206\u9694\u7b26\u53ef\u4ee5\u662f\u7b80\u5355\u7684\u5b57\u7b26\u3001\u5b57\u7b26\u4e32\u6216\u6b63\u5219\u8868\u8fbe\u5f0f\uff0c\u6839\u636e\u8fd9\u4e2a\u5206\u9694\u7b26\uff0c\u539f\u59cb\u5b57\u7b26\u4e32\u88ab\u5206\u5272\u6210\u82e5\u5e72\u90e8\u5206\uff0c\u5f62\u6210\u4e00\u4e2a\u6570\u7ec4\u4f5c\u4e3a\u8fd4\u56de\u503c\u3002\u7279\u522b\u5730\uff0c\u5982\u679c\u6211\u4eec\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u4f5c\u4e3a\u5206\u9694\u7b26\uff0c\u53ef\u4ee5\u5b9e\u73b0\u66f4\u52a0\u7075\u6d3b\u590d\u6742\u7684\u5206\u5272\u903b\u8f91<\/strong>\uff0c\u4f8b\u5982\u6839\u636e\u591a\u79cd\u5b57\u7b26\u4f5c\u4e3a\u5206\u9694\u7b26\u6216\u662f\u6309\u7167\u7279\u5b9a\u7684\u6a21\u5f0f\u5339\u914d\u8fdb\u884c\u5206\u5272\u3002<\/p>\n<\/p>\n

\u63a5\u4e0b\u6765\u6211\u4eec\u6df1\u5165\u8ba8\u8bba\u5982\u4f55\u9ad8\u6548\u5730\u4f7f\u7528 split \u51fd\u6570\u5728\u5404\u79cd\u573a\u666f\u4e0b\u5bf9\u5b57\u7b26\u4e32\u8fdb\u884c\u64cd\u4f5c\u3002<\/p>\n<\/p>\n

\u4e00\u3001SPLIT \u51fd\u6570\u57fa\u7840\u4f7f\u7528<\/h3>\n<\/p>\n

\u5b9a\u4e49\u5206\u5272\u7b26<\/h4>\n<\/p>\n

\u5728\u6700\u7b80\u5355\u7684\u5f62\u5f0f\u4e0b\uff0csplit \u51fd\u6570\u63a5\u6536\u4e00\u4e2a\u53c2\u6570\uff1a\u5c31\u662f\u7528\u4f5c\u5206\u5272\u4f9d\u636e\u7684\u5b57\u7b26\u6216\u5b57\u7b26\u4e32\u3002\u4f8b\u5982\uff0c\u5982\u679c\u4f60\u6709\u4e00\u4e2a\u7531\u9017\u53f7\u5206\u9694\u7684\u503c\uff08CSV\uff09\u683c\u5f0f\u7684\u5b57\u7b26\u4e32\uff0c\u4f60\u53ef\u80fd\u60f3\u8981\u6309\u7167\u9017\u53f7\u6765\u62c6\u5206\u8fd9\u4e2a\u5b57\u7b26\u4e32\u3002<\/p>\n<\/p>\n

let csvString = "apple, banana, cherry";<\/p>\n
let fruits = csvString.split(", ");<\/p>\n
\/\/ fruits \u7684\u503c\u4e3a ["apple", "banana", "cherry"]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u9650\u5236\u5b50\u5b57\u7b26\u4e32\u6570\u91cf<\/h4>\n<\/p>\n
split \u51fd\u6570\u7684\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\u53ef\u9009\u7684\uff0c\u7528\u4e8e\u6307\u5b9a\u8fd4\u56de\u6570\u7ec4\u7684\u6700\u5927\u957f\u5ea6\u3002\u8fd9\u4e2a\u7279\u6027\u5728\u4f60\u53ea\u9700\u8981\u5b57\u7b26\u4e32\u7684\u4e00\u90e8\u5206\u65f6\u7279\u522b\u6709\u7528\u3002<\/p>\n<\/p>\n
let str = "one two three four";<\/p>\n
let limitedParts = str.split(" ", 2);<\/p>\n
\/\/ limitedParts \u7684\u503c\u4e3a ["one", "two"]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e8c\u3001\u8fdb\u9636\u4f7f\u7528\uff1a\u6b63\u5219\u8868\u8fbe\u5f0f\u5206\u9694\u7b26<\/h3>\n<\/p>\n
\u5229\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u8fdb\u884c\u590d\u6742\u5206\u5272<\/h4>\n<\/p>\n
\u5f53\u5b57\u7b26\u4e32\u7684\u5206\u5272\u89c4\u5219\u53d8\u5f97\u590d\u6742\u65f6\uff0c\u5355\u7eaf\u7684\u7528\u5b57\u7b26\u4f5c\u4e3a\u5206\u5272\u7b26\u53ef\u80fd\u96be\u4ee5\u6ee1\u8db3\u9700\u6c42\u3002\u8fd9\u65f6\uff0c\u53ef\u4ee5\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u4f5c\u4e3a\u5206\u5272\u7b26\u3002<\/p>\n<\/p>\n
let complexString = "apple1banana2cherry3";<\/p>\n
let complexArray = complexString.split(\/\\d\/);<\/p>\n
\/\/ complexArray \u7684\u503c\u4e3a ["apple", "banana", "cherry"]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u6355\u83b7\u62ec\u53f7\u5185\u5bb9<\/h4>\n<\/p>\n
\u4f7f\u7528\u6b63\u5219\u8868\u8fbe\u5f0f\u4f5c\u4e3a\u5206\u9694\u7b26\u65f6\uff0c\u5982\u679c\u6b63\u5219\u8868\u8fbe\u5f0f\u5305\u542b\u62ec\u53f7\uff08\u6355\u83b7\u62ec\u53f7\uff09\uff0c\u90a3\u4e48\u5339\u914d\u7684\u7ed3\u679c\u4e5f\u4f1a\u88ab\u5305\u542b\u5728\u8fd4\u56de\u7684\u6570\u7ec4\u4e2d\u3002<\/p>\n<\/p>\n
let dataString = "apple-1, banana-2, cherry-3";<\/p>\n
let dataArray = dataString.split(\/-(\\d),\\s*\/);<\/p>\n
\/\/ dataArray \u7684\u503c\u4e3a ["apple", "1", "banana", "2", "cherry", "3"]<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e09\u3001SPLIT \u51fd\u6570\u5e94\u7528\u6848\u4f8b<\/h3>\n<\/p>\n
\u5b57\u7b26\u4e32\u6570\u636e\u6e05\u6d17<\/h4>\n<\/p>\n
\u5728\u6570\u636e\u5904\u7406\u548c\u5206\u6790\u7684\u573a\u666f\u4e2d\uff0c\u5b57\u7b26\u4e32\u6570\u636e\u5f80\u5f80\u9700\u8981\u88ab\u6e05\u6d17\u548c\u62c6\u5206\u3002split \u51fd\u6570\u53ef\u4ee5\u5e2e\u52a9\u6211\u4eec\u5feb\u901f\u5c06\u590d\u6742\u7684\u5b57\u7b26\u4e32\u65e5\u5fd7\u3001CSV \u6570\u636e\u7b49\u8f6c\u6362\u6210\u7ed3\u6784\u5316\u7684\u6570\u7ec4\u6216\u5bf9\u8c61\uff0c\u4fbf\u4e8e\u540e\u7eed\u5904\u7406\u3002<\/p>\n<\/p>\n
\u8bed\u8a00\u5904\u7406<\/h4>\n<\/p>\n
\u5728\u6587\u672c\u5206\u6790\u6216\u81ea\u7136\u8bed\u8a00\u5904\u7406\uff08NLP\uff09\u4efb\u52a1\u4e2d\uff0csplit \u51fd\u6570\u7ecf\u5e38\u88ab\u7528\u6765\u5c06\u6587\u672c\u5206\u5272\u6210\u5355\u8bcd\u6216\u53e5\u5b50\uff0c\u4f5c\u4e3a\u6570\u636e\u9884\u5904\u7406\u7684\u4e00\u90e8\u5206\u3002\u8fd9\u5bf9\u4e8e\u8bcd\u9891\u5206\u6790\u3001\u60c5\u611f\u5206\u6790\u7b49\u4efb\u52a1\u81f3\u5173\u91cd\u8981\u3002<\/p>\n<\/p>\n
\u56db\u3001\u6ce8\u610f\u4e8b\u9879\u4e0e\u6700\u4f73\u5b9e\u8df5<\/h3>\n<\/p>\n
\u6ce8\u610f\u7a7a\u5b57\u7b26\u4e32\u7ed3\u679c<\/h4>\n<\/p>\n
\u5982\u679c\u539f\u5b57\u7b26\u4e32\u7684\u5f00\u5934\u6216\u7ed3\u5c3e\u5339\u914d\u4e86\u5206\u9694\u7b26\uff0c\u6216\u8005\u76f8\u90bb\u7684\u5206\u9694\u7b26\u4e4b\u95f4\u6ca1\u6709\u5176\u4ed6\u5b57\u7b26\uff0csplit \u4f1a\u5728\u7ed3\u679c\u6570\u7ec4\u4e2d\u8fd4\u56de\u7a7a\u5b57\u7b26\u4e32\u3002\u4e86\u89e3\u8fd9\u4e00\u70b9\u5bf9\u4e8e\u5904\u7406\u8fd4\u56de\u6570\u7ec4\u65f6\u907f\u514d\u610f\u5916\u975e\u5e38\u91cd\u8981\u3002<\/p>\n<\/p>\n
\u8003\u8651\u6d4f\u89c8\u5668\u517c\u5bb9\u6027<\/h4>\n<\/p>\n
\u867d\u7136\u5927\u591a\u6570\u73b0\u4ee3\u6d4f\u89c8\u5668\u90fd\u652f\u6301 split \u65b9\u6cd5\uff0c\u4f46\u5728\u4f7f\u7528\u590d\u6742\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u4f5c\u4e3a\u5206\u9694\u7b26\u65f6\uff0c\u4e0d\u540c\u6d4f\u89c8\u5668\u4e4b\u95f4\u53ef\u80fd\u5b58\u5728\u5fae\u5c0f\u5dee\u5f02\u3002\u5728\u5f00\u53d1\u8de8\u6d4f\u89c8\u5668\u5e94\u7528\u65f6\uff0c\u9700\u8981\u7279\u522b\u6ce8\u610f\u6d4b\u8bd5\u3002<\/p>\n<\/p>\n
\u901a\u8fc7\u7075\u6d3b\u4f7f\u7528 split \u51fd\u6570\uff0c\u6211\u4eec\u53ef\u4ee5\u8f7b\u677e\u5904\u7406\u548c\u5206\u6790\u5b57\u7b26\u4e32\u6570\u636e\uff0c\u65e0\u8bba\u662f\u7b80\u5355\u7684\u5b57\u7b26\u4e32\u62c6\u5206\u8fd8\u662f\u590d\u6742\u7684\u6587\u672c\u5904\u7406\u4efb\u52a1\uff0csplit \u90fd\u662f JavaScript \u5f00\u53d1\u8005\u7684\u5f3a\u5927\u5de5\u5177\u3002www<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
Question 1: \u4ec0\u4e48\u662fJavascript\u7a0b\u5e8f\u4e2d\u7684split\u51fd\u6570\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\uff1f<\/strong><\/p>\n
\u56de\u7b54\uff1asplit\u51fd\u6570\u662fJavascript\u4e2d\u7684\u5b57\u7b26\u4e32\u65b9\u6cd5\uff0c\u7528\u4e8e\u5c06\u5b57\u7b26\u4e32\u5206\u5272\u4e3a\u5b50\u5b57\u7b26\u4e32\u5e76\u8fd4\u56de\u4e00\u4e2a\u5b57\u7b26\u4e32\u6570\u7ec4\u3002\u5b83\u63a5\u53d7\u4e00\u4e2a\u5206\u9694\u7b26\u53c2\u6570\uff0c\u6839\u636e\u8be5\u5206\u9694\u7b26\u5c06\u539f\u59cb\u5b57\u7b26\u4e32\u5212\u5206\u4e3a\u591a\u4e2a\u5b50\u5b57\u7b26\u4e32\u3002\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u65b9\u6cd5\u4f7f\u7528split\u51fd\u6570\uff1a<\/p>\n
var str = "Hello, World!";\nvar arr = str.split(","); \/\/ \u5c06str\u5b57\u7b26\u4e32\u4f7f\u7528\u9017\u53f7\u5206\u9694\uff0c\u8fd4\u56de\u6570\u7ec4["Hello", " World!"]\n<\/code><\/pre>\n
\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0csplit\u51fd\u6570\u5c06\u5b57\u7b26\u4e32"Hello, World!"<\/code>\u4f7f\u7528\u9017\u53f7\u4f5c\u4e3a\u5206\u9694\u7b26\uff0c\u5c06\u5176\u5206\u5272\u4e3a\u4e24\u4e2a\u5b50\u5b57\u7b26\u4e32"Hello"<\/code>\u548c" World!"<\/code>\uff0c\u5e76\u5c06\u8fd9\u4e24\u4e2a\u5b50\u5b57\u7b26\u4e32\u5b58\u50a8\u5728\u6570\u7ec4\u4e2d\u3002<\/p>\n
Question 2: \u6211\u5728Javascript\u7a0b\u5e8f\u4e2d\u5982\u4f55\u4f7f\u7528split\u51fd\u6570\u6765\u62c6\u5206\u6587\u5b57\u5185\u5bb9\u548c\u6837\u5f0f\u4fe1\u606f\uff1f<\/strong><\/p>\n
\u56de\u7b54\uff1a\u5982\u679c\u4f60\u60f3\u5728Javascript\u7a0b\u5e8f\u4e2d\u5c06\u6587\u5b57\u5185\u5bb9\u548c\u6837\u5f0f\u4fe1\u606f\u5206\u79bb\uff0c\u53ef\u4ee5\u4f7f\u7528split\u51fd\u6570\u3002\u4f60\u53ef\u4ee5\u5b9a\u4e49\u4e00\u4e2a\u5305\u542b\u6587\u5b57\u5185\u5bb9\u548c\u6837\u5f0f\u4fe1\u606f\u7684\u5b57\u7b26\u4e32\u53d8\u91cf\uff0c\u5e76\u4f7f\u7528\u9002\u5f53\u7684\u5206\u9694\u7b26\u5c06\u5176\u62c6\u5206\u4e3a\u4e24\u4e2a\u4e0d\u540c\u7684\u5b50\u5b57\u7b26\u4e32\u3002<\/p>\n
var input = "Welcome to our website!^font-size: 16px; color: blue;";\nvar separator = "^"; \/\/ \u5047\u8bbe\u4f7f\u7528\u7b26\u53f7"^"\u4f5c\u4e3a\u6587\u5b57\u5185\u5bb9\u548c\u6837\u5f0f\u4fe1\u606f\u7684\u5206\u9694\u7b26\nvar splitArr = input.split(separator);\nvar content = splitArr[0]; \/\/ \u5b58\u50a8\u6587\u5b57\u5185\u5bb9\nvar style = splitArr[1]; \/\/ \u5b58\u50a8\u6837\u5f0f\u4fe1\u606f\n<\/code><\/pre>\n
\u5728\u4e0a\u9762\u7684\u4f8b\u5b50\u4e2d\uff0c\u4f7f\u7528\u7b26\u53f7^<\/code>\u4f5c\u4e3a\u5206\u9694\u7b26\uff0c\u5c06\u5b57\u7b26\u4e32input<\/code>\u5206\u5272\u4e3a\u4e24\u4e2a\u5b50\u5b57\u7b26\u4e32\uff0c\u5176\u4e2dcontent<\/code>\u5b58\u50a8\u6587\u5b57\u5185\u5bb9\uff0cstyle<\/code>\u5b58\u50a8\u6837\u5f0f\u4fe1\u606f\u3002<\/p>\n
Question 3: \u5982\u4f55\u4f7f\u7528split\u51fd\u6570\u6765\u5904\u7406\u591a\u4e2a\u8f93\u5165\u503c\u4ee5\u53ca\u4e0d\u540c\u5206\u9694\u7b26\u7684\u60c5\u51b5\uff1f<\/strong><\/p>\n
\u56de\u7b54\uff1asplit\u51fd\u6570\u5728\u5904\u7406\u591a\u4e2a\u8f93\u5165\u503c\u4ee5\u53ca\u4e0d\u540c\u5206\u9694\u7b26\u7684\u60c5\u51b5\u4e0b\u975e\u5e38\u6709\u7528\u3002\u4f60\u53ef\u4ee5\u5c06\u591a\u4e2a\u8f93\u5165\u503c\u4f7f\u7528split\u51fd\u6570\u5206\u5272\u4e3a\u591a\u4e2a\u5b50\u5b57\u7b26\u4e32\uff0c\u5e76\u6839\u636e\u9700\u8981\u4f7f\u7528\u4e0d\u540c\u7684\u5206\u9694\u7b26\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
var input1 = "apple,banana,orange";\nvar input2 = "apple|banana|orange";\nvar separator1 = ",";\nvar separator2 = "|";\nvar arr1 = input1.split(separator1); \/\/ \u4f7f\u7528\u9017\u53f7\u5206\u9694\uff0c\u8fd4\u56de\u6570\u7ec4["apple", "banana", "orange"]\nvar arr2 = input2.split(separator2); \/\/ \u4f7f\u7528\u7ad6\u6760\u5206\u9694\uff0c\u8fd4\u56de\u6570\u7ec4["apple", "banana", "orange"]\n<\/code><\/pre>\n
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