{"id":53046,"date":"2025-08-11T23:40:02","date_gmt":"2025-08-11T15:40:02","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/53046.html"},"modified":"2025-08-11T23:40:02","modified_gmt":"2025-08-11T15:40:02","slug":"%e7%bc%96%e7%a8%8b%e5%bf%85%e5%a4%87%ef%bc%9a%e5%ad%97%e7%ac%a6%e4%b8%b2%e5%87%bd%e6%95%b0%e5%85%a8%e8%a7%a3%e6%9e%90","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/53046.html","title":{"rendered":"\u7f16\u7a0b\u5fc5\u5907\uff1a\u5b57\u7b26\u4e32\u51fd\u6570\u5168\u89e3\u6790"},"content":{"rendered":"<p>String Functions&#xff08;\u5b57\u7b26\u4e32\u51fd\u6570&#xff09;\u662f\u6307\u7f16\u7a0b\u8bed\u8a00\u6216\u6570\u636e\u5e93\u7cfb\u7edf\u4e2d\u4e13\u95e8\u7528\u4e8e\u64cd\u4f5c\u548c\u5904\u7406\u6587\u672c\u6570\u636e&#xff08;\u5b57\u7b26\u4e32&#xff09; \u7684\u5185\u7f6e\u51fd\u6570\u96c6\u5408\u3002\u5b83\u4eec\u63d0\u4f9b\u4e86\u4e00\u7cfb\u5217\u9884\u5b9a\u4e49\u7684\u64cd\u4f5c&#xff0c;\u6781\u5927\u5730\u7b80\u5316\u4e86\u7a0b\u5e8f\u5458\u5bf9\u5b57\u7b26\u4e32\u6267\u884c\u5e38\u89c1\u4efb\u52a1\u7684\u5de5\u4f5c\u3002<\/p>\n<p>\u6838\u5fc3\u6982\u5ff5&#xff1a;<\/p>\n<li>\u5b57\u7b26\u4e32&#xff1a; \u6587\u672c\u6570\u636e\u5728\u7a0b\u5e8f\u4e2d\u901a\u5e38\u88ab\u8868\u793a\u4e3a\u201c\u5b57\u7b26\u4e32\u201d&#xff0c;\u5b83\u662f\u7531\u96f6\u4e2a\u6216\u591a\u4e2a\u5b57\u7b26&#xff08;\u5b57\u6bcd\u3001\u6570\u5b57\u3001\u7b26\u53f7\u3001\u7a7a\u683c\u7b49&#xff09;\u7ec4\u6210\u7684\u5e8f\u5217\u3002\u4f8b\u5982&#xff1a;&#034;Hello&#034;, &#034;123 Main St.&#034;, &#034;&#034; (\u7a7a\u5b57\u7b26\u4e32)\u3002<\/li>\n<li>\u51fd\u6570&#xff1a; \u4e00\u6bb5\u5b8c\u6210\u7279\u5b9a\u4efb\u52a1\u7684\u3001\u53ef\u91cd\u7528\u7684\u4ee3\u7801\u5757\u3002\u4f60\u8c03\u7528\u51fd\u6570\u540d\u5e76\u63d0\u4f9b\u5fc5\u8981\u7684\u8f93\u5165&#xff08;\u53c2\u6570&#xff09;&#xff0c;\u51fd\u6570\u6267\u884c\u64cd\u4f5c\u5e76\u8fd4\u56de\u4e00\u4e2a\u7ed3\u679c\u3002<\/li>\n<li>\u5b57\u7b26\u4e32\u51fd\u6570&#xff1a; \u4e13\u6ce8\u4e8e\u63a5\u6536\u5b57\u7b26\u4e32\u4f5c\u4e3a\u8f93\u5165&#xff08;\u53c2\u6570&#xff09;&#xff0c;\u5bf9\u5176\u8fdb\u884c\u67d0\u79cd\u5904\u7406\u6216\u8ba1\u7b97&#xff0c;\u7136\u540e\u8f93\u51fa&#xff08;\u8fd4\u56de&#xff09;\u4e00\u4e2a\u65b0\u7684\u5b57\u7b26\u4e32\u6216\u4e00\u4e2a\u57fa\u4e8e\u5b57\u7b26\u4e32\u8ba1\u7b97\u51fa\u7684\u503c&#xff08;\u5982\u6570\u5b57\u3001\u5e03\u5c14\u503c&#xff09;\u3002<\/li>\n<p>\u4e3a\u4ec0\u4e48\u9700\u8981\u5b57\u7b26\u4e32\u51fd\u6570&#xff1f;<\/p>\n<p>\u5728\u7f16\u7a0b\u548c\u6570\u636e\u64cd\u4f5c\u4e2d&#xff0c;\u5904\u7406\u6587\u672c\u662f\u6781\u5176\u5e38\u89c1\u7684\u4efb\u52a1&#xff1a;<\/p>\n<ul>\n<li>\u9a8c\u8bc1\u7528\u6237\u8f93\u5165&#xff08;\u7535\u5b50\u90ae\u4ef6\u683c\u5f0f\u3001\u5bc6\u7801\u590d\u6742\u6027&#xff09;\u3002<\/li>\n<li>\u6e05\u7406\u6570\u636e&#xff08;\u53bb\u9664\u591a\u4f59\u7a7a\u683c\u3001\u6807\u51c6\u5316\u683c\u5f0f&#xff09;\u3002<\/li>\n<li>\u89e3\u6790\u6587\u672c&#xff08;\u4ece\u65e5\u5fd7\u6587\u4ef6\u3001CSV\u6587\u4ef6\u63d0\u53d6\u4fe1\u606f&#xff09;\u3002<\/li>\n<li>\u683c\u5f0f\u5316\u8f93\u51fa&#xff08;\u521b\u5efa\u663e\u793a\u7ed9\u7528\u6237\u7684\u53cb\u597d\u6d88\u606f&#xff09;\u3002<\/li>\n<li>\u641c\u7d22\u548c\u66ff\u6362\u6587\u672c\u5185\u5bb9\u3002<\/li>\n<li>\u8fde\u63a5\u3001\u62c6\u5206\u5b57\u7b26\u4e32\u3002<\/li>\n<li>\u6bd4\u8f83\u5b57\u7b26\u4e32&#xff08;\u6392\u5e8f\u3001\u5224\u65ad\u662f\u5426\u76f8\u7b49&#xff09;\u3002<\/li>\n<\/ul>\n<p>\u624b\u52a8\u7f16\u5199\u4ee3\u7801\u5b8c\u6210\u6240\u6709\u8fd9\u4e9b\u64cd\u4f5c&#xff08;\u4f8b\u5982&#xff0c;\u81ea\u5df1\u5199\u5faa\u73af\u6765\u9010\u4e2a\u5b57\u7b26\u68c0\u67e5\u3001\u4fee\u6539&#xff09;\u4e0d\u4ec5\u7e41\u7410\u3001\u5bb9\u6613\u51fa\u9519&#xff0c;\u800c\u4e14\u6548\u7387\u4f4e\u4e0b\u3002\u5b57\u7b26\u4e32\u51fd\u6570\u5c06\u8fd9\u4e9b\u5e38\u7528\u64cd\u4f5c\u5c01\u88c5\u8d77\u6765&#xff0c;\u63d0\u4f9b\u9ad8\u6548\u3001\u53ef\u9760\u4e14\u7b80\u6d01\u7684\u5b9e\u73b0\u3002<\/p>\n<p>\u5e38\u89c1\u5b57\u7b26\u4e32\u51fd\u6570\u7c7b\u578b\u548c\u793a\u4f8b&#xff1a;<\/p>\n<p>\u4ee5\u4e0b\u662f\u51e0\u4e4e\u6240\u6709\u8bed\u8a00\u90fd\u63d0\u4f9b\u7684\u4e00\u4e9b\u57fa\u7840\u4e14\u6781\u5176\u91cd\u8981\u7684\u5b57\u7b26\u4e32\u51fd\u6570\u7c7b\u522b&#xff1a;<\/p>\n<li>\n<p>\u957f\u5ea6\u8ba1\u7b97&#xff1a;<\/p>\n<ul>\n<li>\u529f\u80fd&#xff1a; \u83b7\u53d6\u5b57\u7b26\u4e32\u4e2d\u7684\u5b57\u7b26\u6570\u91cf\u3002<\/li>\n<li>\u51fd\u6570\u793a\u4f8b&#xff1a;\n<ul>\n<li>Python: len(&#034;apple&#034;) -&gt; \u8fd4\u56de 5<\/li>\n<li>JavaScript: &#034;apple&#034;.length -&gt; \u8fd4\u56de 5<\/li>\n<li>SQL (\u591a\u6570\u6570\u636e\u5e93): LENGTH(&#039;apple&#039;) -&gt; \u8fd4\u56de 5 (\u6216 CHAR_LENGTH)<\/li>\n<li>Excel: LEN(&#034;apple&#034;) -&gt; \u8fd4\u56de 5<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u5927\u5c0f\u5199\u8f6c\u6362&#xff1a;<\/p>\n<ul>\n<li>\u529f\u80fd&#xff1a; \u5c06\u5b57\u7b26\u4e32\u5168\u90e8\u8f6c\u6362\u4e3a\u5927\u5199\u6216\u5c0f\u5199\u3002<\/li>\n<li>\u51fd\u6570\u793a\u4f8b&#xff1a;\n<ul>\n<li>Python: &#034;Hello&#034;.upper() -&gt; \u8fd4\u56de &#034;HELLO&#034;&#xff1b; &#034;Hello&#034;.lower() -&gt; \u8fd4\u56de &#034;hello&#034;<\/li>\n<li>JavaScript: &#034;Hello&#034;.toUpperCase() -&gt; \u8fd4\u56de &#034;HELLO&#034;&#xff1b; &#034;Hello&#034;.toLowerCase() -&gt; \u8fd4\u56de &#034;hello&#034;<\/li>\n<li>SQL (\u591a\u6570\u6570\u636e\u5e93): UPPER(&#039;Hello&#039;) -&gt; \u8fd4\u56de &#039;HELLO&#039;&#xff1b; LOWER(&#039;Hello&#039;) -&gt; \u8fd4\u56de &#039;hello&#039;<\/li>\n<li>Excel: UPPER(&#034;Hello&#034;) -&gt; \u8fd4\u56de &#034;HELLO&#034;&#xff1b; LOWER(&#034;Hello&#034;) -&gt; \u8fd4\u56de &#034;hello&#034;<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u67e5\u627e\u4e0e\u5b9a\u4f4d&#xff1a;<\/p>\n<ul>\n<li>\u529f\u80fd&#xff1a; \u5728\u5b57\u7b26\u4e32\u4e2d\u641c\u7d22\u5b50\u5b57\u7b26\u4e32\u6216\u5b57\u7b26&#xff0c;\u8fd4\u56de\u5176\u7b2c\u4e00\u6b21\u51fa\u73b0\u7684\u4f4d\u7f6e&#xff08;\u7d22\u5f15&#xff09;\u3002<\/li>\n<li>\u51fd\u6570\u793a\u4f8b&#xff1a;\n<ul>\n<li>Python: &#034;banana&#034;.find(&#034;na&#034;) -&gt; \u8fd4\u56de 2 (\u7d22\u5f15\u4ece0\u5f00\u59cb)&#xff1b; &#034;banana&#034;.find(&#034;x&#034;) -&gt; \u8fd4\u56de -1 (\u672a\u627e\u5230)<\/li>\n<li>JavaScript: &#034;banana&#034;.indexOf(&#034;na&#034;) -&gt; \u8fd4\u56de 2&#xff1b; &#034;banana&#034;.indexOf(&#034;x&#034;) -&gt; \u8fd4\u56de -1<\/li>\n<li>SQL (\u591a\u6570\u6570\u636e\u5e93): POSITION(&#039;na&#039; IN &#039;banana&#039;) -&gt; \u8fd4\u56de 3 (\u7d22\u5f15\u901a\u5e38\u4ece1\u5f00\u59cb)&#xff1b; INSTR(&#039;banana&#039;, &#039;na&#039;) -&gt; \u8fd4\u56de 3<\/li>\n<li>Excel: FIND(&#034;na&#034;, &#034;banana&#034;) -&gt; \u8fd4\u56de 3 (\u7d22\u5f15\u4ece1\u5f00\u59cb)&#xff1b; SEARCH \u51fd\u6570\u7c7b\u4f3c\u4f46\u4e0d\u533a\u5206\u5927\u5c0f\u5199\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u63d0\u53d6\u5b50\u5b57\u7b26\u4e32&#xff1a;<\/p>\n<ul>\n<li>\u529f\u80fd&#xff1a; \u4ece\u4e00\u4e2a\u5b57\u7b26\u4e32\u4e2d\u63d0\u53d6\u6307\u5b9a\u4f4d\u7f6e\u548c\u957f\u5ea6\u7684\u90e8\u5206\u5b57\u7b26\u4e32\u3002<\/li>\n<li>\u51fd\u6570\u793a\u4f8b&#xff1a;\n<ul>\n<li>Python: &#034;abcdefg&#034;[2:5] -&gt; \u5207\u7247&#xff0c;\u8fd4\u56de &#034;cde&#034;<\/li>\n<li>JavaScript: &#034;abcdefg&#034;.substring(2, 5) -&gt; \u8fd4\u56de &#034;cde&#034; (\u7d22\u5f152\u5230\u7d22\u5f155\u524d)&#xff1b; .slice(2, 5) \u7c7b\u4f3c<\/li>\n<li>SQL (\u591a\u6570\u6570\u636e\u5e93): SUBSTRING(&#039;abcdefg&#039; FROM 3 FOR 3) -&gt; \u8fd4\u56de &#039;cde&#039; (\u8d77\u59cb\u4f4d\u7f6e3, \u53d63\u4e2a\u5b57\u7b26)<\/li>\n<li>Excel: MID(&#034;abcdefg&#034;, 3, 3) -&gt; \u8fd4\u56de &#034;cde&#034; (\u8d77\u59cb\u4f4d\u7f6e3, \u53d63\u4e2a\u5b57\u7b26)<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u66ff\u6362&#xff1a;<\/p>\n<ul>\n<li>\u529f\u80fd&#xff1a; \u5c06\u5b57\u7b26\u4e32\u4e2d\u51fa\u73b0\u7684\u6240\u6709\u6307\u5b9a\u5b50\u5b57\u7b26\u4e32\u66ff\u6362\u4e3a\u53e6\u4e00\u4e2a\u5b50\u5b57\u7b26\u4e32\u3002<\/li>\n<li>\u51fd\u6570\u793a\u4f8b&#xff1a;\n<ul>\n<li>Python: &#034;Hello World&#034;.replace(&#034;World&#034;, &#034;Python&#034;) -&gt; \u8fd4\u56de &#034;Hello Python&#034;<\/li>\n<li>JavaScript: &#034;Hello World&#034;.replace(&#034;World&#034;, &#034;JavaScript&#034;) -&gt; \u8fd4\u56de &#034;Hello JavaScript&#034; (\u9ed8\u8ba4\u53ea\u66ff\u6362\u7b2c\u4e00\u4e2a&#xff0c;\u53ef\u7528\u6b63\u5219\u5168\u5c40\u66ff\u6362)<\/li>\n<li>SQL (\u591a\u6570\u6570\u636e\u5e93): REPLACE(&#039;Hello World&#039;, &#039;World&#039;, &#039;SQL&#039;) -&gt; \u8fd4\u56de &#039;Hello SQL&#039;<\/li>\n<li>Excel: SUBSTITUTE(&#034;Hello World&#034;, &#034;World&#034;, &#034;Excel&#034;) -&gt; \u8fd4\u56de &#034;Hello Excel&#034;<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u8fde\u63a5&#xff1a;<\/p>\n<ul>\n<li>\u529f\u80fd&#xff1a; \u5c06\u4e24\u4e2a\u6216\u591a\u4e2a\u5b57\u7b26\u4e32\u5408\u5e76\u6210\u4e00\u4e2a\u65b0\u5b57\u7b26\u4e32\u3002<\/li>\n<li>\u51fd\u6570\u793a\u4f8b\/\u8fd0\u7b97\u7b26&#xff1a;\n<ul>\n<li>Python: &#034;Hello&#034; &#043; &#034; &#034; &#043; &#034;World&#034; (\u4f7f\u7528 &#043; \u8fd0\u7b97\u7b26) \u6216 &#034; &#034;.join([&#034;Hello&#034;, &#034;World&#034;]) -&gt; \u8fd4\u56de &#034;Hello World&#034;<\/li>\n<li>JavaScript: &#034;Hello&#034; &#043; &#034; &#034; &#043; &#034;World&#034; (\u4f7f\u7528 &#043; \u8fd0\u7b97\u7b26) \u6216 [&#034;Hello&#034;, &#034;World&#034;].join(&#034; &#034;) -&gt; \u8fd4\u56de &#034;Hello World&#034;<\/li>\n<li>SQL (\u591a\u6570\u6570\u636e\u5e93): CONCAT(&#039;Hello&#039;, &#039; &#039;, &#039;World&#039;) -&gt; \u8fd4\u56de &#039;Hello World&#039; (\u6216\u4f7f\u7528 || \u8fd0\u7b97\u7b26: &#039;Hello&#039; || &#039; &#039; || &#039;World&#039;)<\/li>\n<li>Excel: &#034;Hello&#034; &amp; &#034; &#034; &amp; &#034;World&#034; (\u4f7f\u7528 &amp; \u8fd0\u7b97\u7b26) \u6216 CONCATENATE(&#034;Hello&#034;, &#034; &#034;, &#034;World&#034;) (\u65e7\u7248) \/ CONCAT(&#034;Hello&#034;, &#034; &#034;, &#034;World&#034;) -&gt; \u8fd4\u56de &#034;Hello World&#034;<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u53bb\u9664\u7a7a\u767d\u5b57\u7b26&#xff1a;<\/p>\n<ul>\n<li>\u529f\u80fd&#xff1a; \u79fb\u9664\u5b57\u7b26\u4e32\u5f00\u5934\u548c\/\u6216\u7ed3\u5c3e\u7684\u7a7a\u683c\u3001\u5236\u8868\u7b26\u3001\u6362\u884c\u7b26\u7b49\u7a7a\u767d\u5b57\u7b26&#xff08;Trim&#xff09;\u3002\u6709\u65f6\u4e5f\u63d0\u4f9b\u53ea\u53bb\u9664\u5f00\u5934&#xff08;LTrim&#xff09;\u6216\u7ed3\u5c3e&#xff08;RTrim&#xff09;\u7684\u7248\u672c\u3002<\/li>\n<li>\u51fd\u6570\u793a\u4f8b&#xff1a;\n<ul>\n<li>Python: &#034;   hello   &#034;.strip() -&gt; \u8fd4\u56de &#034;hello&#034;<\/li>\n<li>JavaScript: &#034;   hello   &#034;.trim() -&gt; \u8fd4\u56de &#034;hello&#034;<\/li>\n<li>SQL (\u591a\u6570\u6570\u636e\u5e93): TRIM(&#039;   hello   &#039;) -&gt; \u8fd4\u56de &#039;hello&#039;&#xff1b; LTRIM, RTRIM \u5355\u72ec\u5b58\u5728<\/li>\n<li>Excel: TRIM(&#034;   hello   &#034;) -&gt; \u8fd4\u56de &#034;hello&#034;<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<li>\n<p>\u6bd4\u8f83&#xff1a;<\/p>\n<ul>\n<li>\u529f\u80fd&#xff1a; \u6bd4\u8f83\u4e24\u4e2a\u5b57\u7b26\u4e32\u662f\u5426\u76f8\u7b49&#xff08;\u533a\u5206\u6216\u4e0d\u533a\u5206\u5927\u5c0f\u5199&#xff09;\u3001\u6392\u5e8f&#xff08;\u54ea\u4e2a\u5b57\u7b26\u4e32\u5728\u5b57\u6bcd\u987a\u5e8f\u4e0a\u6392\u524d\/\u540e&#xff09;\u3002<\/li>\n<li>\u65b9\u6cd5\/\u8fd0\u7b97\u7b26&#xff1a;\n<ul>\n<li>Python: &#034;apple&#034; &#061;&#061; &#034;Apple&#034; (\u533a\u5206\u5927\u5c0f\u5199) -&gt; False&#xff1b; &#034;apple&#034;.lower() &#061;&#061; &#034;Apple&#034;.lower() -&gt; True&#xff1b; sorted([&#034;banana&#034;, &#034;apple&#034;]) -&gt; [&#039;apple&#039;, &#039;banana&#039;]<\/li>\n<li>JavaScript: &#034;apple&#034; &#061;&#061;&#061; &#034;Apple&#034; (\u533a\u5206\u5927\u5c0f\u5199) -&gt; false&#xff1b; &#034;apple&#034;.localeCompare(&#034;Apple&#034;) (\u63d0\u4f9b\u66f4\u591a\u6bd4\u8f83\u7ec6\u8282)<\/li>\n<li>SQL (\u591a\u6570\u6570\u636e\u5e93): &#039;apple&#039; &#061; &#039;Apple&#039; (\u901a\u5e38\u533a\u5206\u5927\u5c0f\u5199&#xff0c;\u4f9d\u8d56\u4e8e\u6570\u636e\u5e93\u8bbe\u7f6e)&#xff1b; LOWER(&#039;apple&#039;) &#061; LOWER(&#039;Apple&#039;) -&gt; true&#xff1b; ORDER BY col_name \u8fdb\u884c\u6392\u5e8f<\/li>\n<li>Excel: EXACT(&#034;apple&#034;, &#034;Apple&#034;) (\u533a\u5206\u5927\u5c0f\u5199) -&gt; FALSE&#xff1b; A1 &#061; B1 (\u53ef\u80fd\u4e0d\u533a\u5206\u5927\u5c0f\u5199&#xff0c;\u53d6\u51b3\u4e8e\u8bbe\u7f6e)&#xff1b; \u6392\u5e8f\u529f\u80fd\u5728\u83dc\u5355\u4e2d\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<p>\u91cd\u8981\u6ce8\u610f\u4e8b\u9879&#xff1a;<\/p>\n<ul>\n<li>\u8bed\u8a00\/\u7cfb\u7edf\u5dee\u5f02&#xff1a; \u4e0d\u540c\u7f16\u7a0b\u8bed\u8a00&#xff08;Python, Java, C#, JavaScript, PHP\u7b49&#xff09;\u548c\u6570\u636e\u5e93\u7cfb\u7edf&#xff08;MySQL, PostgreSQL, SQL Server, Oracle\u7b49&#xff09;\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u5b57\u7b26\u4e32\u51fd\u6570\u5e93&#xff0c;\u5177\u4f53\u7684\u51fd\u6570\u540d\u79f0\u3001\u53c2\u6570\u987a\u5e8f\u3001\u884c\u4e3a\u7ec6\u8282&#xff08;\u5982\u662f\u5426\u533a\u5206\u5927\u5c0f\u5199&#xff09;\u3001\u8fd4\u56de\u503c\u7684\u7d22\u5f15\u8d77\u70b9&#xff08;0\u62161&#xff09;\u4ee5\u53ca\u53ef\u9009\u53c2\u6570\u53ef\u80fd\u5404\u4e0d\u76f8\u540c\u3002\u4f7f\u7528\u524d\u52a1\u5fc5\u67e5\u9605\u76f8\u5173\u8bed\u8a00\u6216\u6570\u636e\u5e93\u7684\u6587\u6863\u3002<\/li>\n<li>\u5b57\u7b26\u4e32\u4e0d\u53ef\u53d8\u6027&#xff1a; \u5728\u5927\u591a\u6570\u4e3b\u6d41\u7f16\u7a0b\u8bed\u8a00\u4e2d&#xff08;\u5982 Python, Java, C#, JavaScript&#xff09;&#xff0c;\u539f\u59cb\u5b57\u7b26\u4e32\u672c\u8eab\u662f\u4e0d\u53ef\u53d8\u7684\u3002\u8fd9\u610f\u5473\u7740\u5b57\u7b26\u4e32\u51fd\u6570\u4e0d\u4f1a\u76f4\u63a5\u4fee\u6539\u539f\u59cb\u5b57\u7b26\u4e32&#xff1b;\u5b83\u4eec\u603b\u662f\u521b\u5efa\u4e00\u4e2a\u5305\u542b\u64cd\u4f5c\u7ed3\u679c\u7684\u65b0\u5b57\u7b26\u4e32\u5e76\u8fd4\u56de\u5b83\u3002<\/li>\n<li>\u6b63\u5219\u8868\u8fbe\u5f0f&#xff1a; \u5bf9\u4e8e\u66f4\u590d\u6742\u7684\u5b57\u7b26\u4e32\u6a21\u5f0f\u5339\u914d\u3001\u67e5\u627e\u548c\u66ff\u6362\u4efb\u52a1&#xff0c;\u8bb8\u591a\u8bed\u8a00\u8fd8\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u6b63\u5219\u8868\u8fbe\u5f0f\u529f\u80fd&#xff0c;\u8fd9\u53ef\u4ee5\u770b\u4f5c\u662f\u5b57\u7b26\u4e32\u51fd\u6570\u7684\u4e00\u79cd\u9ad8\u7ea7\u6269\u5c55\u3002<\/li>\n<li>Unicode \u652f\u6301&#xff1a; \u73b0\u4ee3\u5b57\u7b26\u4e32\u51fd\u6570\u901a\u5e38\u80fd\u5f88\u597d\u5730\u5904\u7406\u591a\u8bed\u8a00\u5b57\u7b26&#xff08;Unicode&#xff09;&#xff0c;\u4f46\u5904\u7406\u7279\u6b8a\u5b57\u7b26\u6216\u7f16\u7801\u95ee\u9898\u65f6\u4ecd\u9700\u7559\u610f\u3002<\/li>\n<\/ul>\n<p>\u603b\u7ed3&#xff1a;<\/p>\n<p>String Functions 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