{"id":205521,"date":"2025-06-12T08:59:34","date_gmt":"2025-06-12T00:59:34","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205521\/"},"modified":"2025-06-12T08:59:34","modified_gmt":"2025-06-12T00:59:34","slug":"golang-%e5%87%bd%e6%95%b0%e4%b8%ad%e5%a4%84%e7%90%86%e6%95%b0%e6%8d%ae%e6%97%b6%e5%ba%94%e6%b3%a8%e6%84%8f%e5%93%aa%e4%ba%9b%e5%b8%b8%e8%a7%81%e9%94%99%e8%af%af%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205521\/","title":{"rendered":"Golang \u51fd\u6570\u4e2d\u5904\u7406\u6570\u636e\u65f6\u5e94\u6ce8\u610f\u54ea\u4e9b\u5e38\u89c1\u9519\u8bef\uff1f"},"content":{"rendered":"<p>\u672c\u7bc7\u6587\u7ae0\u4e3b\u8981\u662f\u7ed3\u5408\u6211\u4e4b\u524d\u9762\u8bd5\u7684\u5404\u79cd\u7ecf\u5386\u548c\u5b9e\u6218\u5f00\u53d1\u4e2d\u9047\u5230\u7684\u95ee\u9898\u89e3\u51b3\u7ecf\u9a8c\u6574\u7406\u7684\uff0c\u5e0c\u671b\u8fd9\u7bc7\u300aGOLANG \u51fd\u6570\u4e2d\u5904\u7406\u6570\u636e\u65f6\u5e94\u6ce8\u610f\u54ea\u4e9b\u5e38\u89c1\u9519\u8bef\uff1f\u300b\u5bf9\u4f60\u6709\u5f88\u5927\u5e2e\u52a9\uff01\u6b22\u8fce\u6536\u85cf\uff0c\u5206\u4eab\u7ed9\u66f4\u591a\u7684\u9700\u8981\u7684\u670b\u53cb\u5b66\u4e60~,\u5e38\u89c1\u6570\u636e\u5904\u7406\u9519\u8bef\u53ca\u5176\u5904\u7406\u65b9\u6cd5\uff1a\u68c0\u67e5\u5f02\u5e38\u503c\uff1a\u4f7f\u7528\u68c0\u67e5\u51fd\u6570\u786e\u4fdd\u8f93\u5165\u503c\u6709\u6548\u3002\u5904\u7406 nil \u6307\u9488\uff1a\u4f7f\u7528 if \u8bed\u53e5\u68c0\u67e5\u6307\u9488\u662f\u5426\u4e3a nil\uff0c\u5e76\u8fd4\u56de\u9ed8\u8ba4\u503c\u6216\u9519\u8bef\u3002\u521d\u59cb\u5316\u53d8\u91cf\uff1a\u4f7f\u7528\u53d8\u91cf\u524d\u59cb\u7ec8\u521d\u59cb\u5316\u5b83\u4eec\u3002\u907f\u514d\u975e\u6cd5\u7d22\u5f15\uff1a\u68c0\u67e5\u7d22\u5f15\u6709\u6548\u6027\uff0c\u5e76\u6839\u636e\u9700\u8981\u8c03\u6574\u7d22\u5f15\u6216\u8fd4\u56de\u9519\u8bef\u3002\u5728\u5e76\u53d1\u73af\u5883\u4e2d\u5b89\u5168\u8bbf\u95ee\u6570\u636e\uff1a\u4f7f\u7528\u9501\u6216\u901a\u9053\u7b49\u5e76\u53d1\u64cd\u4f5c\u4fdd\u62a4\u5171\u4eab\u6570\u636e\u3002,<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729918835671c7773b8f1f.jpg\" class=\"aligncenter\">,\u5728 Go \u51fd\u6570\u4e2d\u5904\u7406\u6570\u636e\u65f6\uff0c\u7ecf\u5e38\u4f1a\u9047\u5230\u4e00\u4e9b\u5e38\u89c1\u7684\u9519\u8bef\u3002\u4e3a\u4e86\u907f\u514d\u8fd9\u4e9b\u9519\u8bef\uff0c\u786e\u4fdd\u6570\u636e\u7684\u5b8c\u6574\u6027\u548c\u7a0b\u5e8f\u7684\u987a\u7545\u8fd0\u884c\uff0c\u4e86\u89e3\u548c\u5904\u7406\u8fd9\u4e9b\u9519\u8bef\u81f3\u5173\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u9519\u8bef\u53ca\u5176\u5904\u7406\u5efa\u8bae\uff1a,<br \/>\n<strong>\u9519\u8bef\u793a\u4f8b\uff1a<\/strong>,<br \/>\n<strong>\u5904\u7406\u65b9\u6cd5\uff1a<\/strong>,\u4f7f\u7528<br \/>\n<code>strconv.Atoi<\/code> \u6216<br \/>\n<code>errors.Is<\/code> \u51fd\u6570\u5bf9\u8f93\u5165\u503c\u8fdb\u884c\u68c0\u67e5\uff0c\u4ee5\u786e\u4fdd\u5b83\u4eec\u662f\u6709\u6548\u7684\u6570\u5b57\u3002,<br \/>\n<strong>\u9519\u8bef\u793a\u4f8b\uff1a<\/strong>,<br \/>\n<strong>\u5904\u7406\u65b9\u6cd5\uff1a<\/strong>,\u4f7f\u7528<br \/>\n<code>if<\/code> \u8bed\u53e5\u68c0\u67e5\u6307\u9488\u662f\u5426\u4e3a nil\uff0c\u5e76\u5728\u5fc5\u8981\u65f6\u8fd4\u56de\u9ed8\u8ba4\u503c\u6216\u9519\u8bef\u3002,<br \/>\n<strong>\u9519\u8bef\u793a\u4f8b\uff1a<\/strong>,<br \/>\n<strong>\u5904\u7406\u65b9\u6cd5\uff1a<\/strong>,\u5728\u4f7f\u7528\u53d8\u91cf\u4e4b\u524d\u59cb\u7ec8\u521d\u59cb\u5316\u5b83\u4eec\u3002,<br \/>\n<strong>\u9519\u8bef\u793a\u4f8b\uff1a<\/strong>,<br \/>\n<strong>\u5904\u7406\u65b9\u6cd5\uff1a<\/strong>,\u68c0\u67e5\u7d22\u5f15\u662f\u5426\u6709\u6548\uff0c\u5e76\u5728\u5fc5\u8981\u65f6\u8fd4\u56de\u9519\u8bef\u6216\u8c03\u6574\u7d22\u5f15\u3002,<br \/>\n<strong>\u9519\u8bef\u793a\u4f8b\uff1a<\/strong>,<br \/>\n<strong>\u5904\u7406\u65b9\u6cd5\uff1a<\/strong>,\u5728\u5e76\u53d1\u73af\u5883\u4e2d\u8bbf\u95ee\u5171\u4eab\u6570\u636e\u65f6\u4f7f\u7528\u9002\u5f53\u7684\u5e76\u53d1\u64cd\u4f5c\uff0c\u4f8b\u5982\u9501\u6216\u901a\u9053\u3002,<br \/>\n<strong>\u5b9e\u6218\u6848\u4f8b\uff1a<\/strong>,\u8003\u8651\u4e00\u4e2a\u8bfb\u53d6\u548c\u66f4\u65b0\u7528\u6237\u6570\u636e\u7684 HTTP \u5904\u7406\u7a0b\u5e8f\u51fd\u6570\uff1a,\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528<br \/>\n<code>strconv.Atoi<\/code> \u68c0\u67e5\u7528\u6237\u7684 ID \u662f\u5426\u6709\u6548\uff0c\u4f7f\u7528<br \/>\n<code>sql.Open<\/code> \u786e\u4fdd\u6570\u636e\u5e93\u8fde\u63a5\u7684\u5b89\u5168\u6027\uff0c\u5e76\u4f7f\u7528<br \/>\n<code>sql.Prepare<\/code> \u548c<br \/>\n<code>sql.Exec<\/code> \u6765\u5b89\u5168\u5730\u6267\u884c SQL \u67e5\u8be2\u3002,\u6587\u4e2d\u5173\u4e8egolang,\u6570\u636e\u5904\u7406\u9519\u8bef\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300aGOLANG \u51fd\u6570\u4e2d\u5904\u7406\u6570\u636e\u65f6\u5e94\u6ce8\u610f\u54ea\u4e9b\u5e38\u89c1\u9519\u8bef\uff1f\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002,\u672c\u7bc7\u6587\u7ae0\u4e3b\u8981\u662f\u7ed3\u5408\u6211\u4e4b\u524d\u9762\u8bd5\u7684\u5404\u79cd\u7ecf\u5386\u548c\u5b9e\u6218\u5f00\u53d1\u4e2d\u9047\u5230\u7684\u95ee\u9898\u89e3\u51b3\u7ecf\u9a8c\u6574\u7406\u7684\uff0c\u5e0c\u671b\u8fd9\u7bc7\u300aGOLANG \u51fd\u6570\u4e2d\u5904\u7406\u6570\u636e\u65f6\u5e94\u6ce8\u610f\u54ea\u4e9b\u5e38\u89c1\u9519\u8bef\uff1f\u300b\u5bf9\u4f60\u6709\u5f88\u5927\u5e2e\u52a9\uff01\u6b22\u8fce\u6536\u85cf\uff0c\u5206\u4eab\u7ed9\u66f4\u591a\u7684\u9700\u8981\u7684\u670b\u53cb\u5b66\u4e60~,<br \/>\n<b><\/b> <\/p>\n<p>\u5f53\u524d\u4f4d\u7f6e\uff1a <span>&gt;<\/span>  <span>&gt;<\/span>  <span>&gt;<\/span>  <span>&gt;<\/span> <span>GOLANG \u51fd\u6570\u4e2d\u5904\u7406\u6570\u636e\u65f6\u5e94\u6ce8\u610f\u54ea\u4e9b\u5e38\u89c1\u9519\u8bef\uff1f<\/span><\/p>\n<h1>GOLANG \u51fd\u6570\u4e2d\u5904\u7406\u6570\u636e\u65f6\u5e94\u6ce8\u610f\u54ea\u4e9b\u5e38\u89c1\u9519\u8bef\uff1f<\/h1>\n<p><span>2024-10-26 13:00:50<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u672c\u7bc7\u6587\u7ae0\u4e3b\u8981\u662f\u7ed3\u5408\u6211\u4e4b\u524d\u9762\u8bd5\u7684\u5404\u79cd\u7ecf\u5386\u548c\u5b9e\u6218\u5f00\u53d1\u4e2d\u9047\u5230\u7684\u95ee\u9898\u89e3\u51b3\u7ecf\u9a8c\u6574\u7406\u7684\uff0c\u5e0c\u671b\u8fd9\u7bc7\u300aGOLANG \u51fd\u6570\u4e2d\u5904\u7406\u6570\u636e\u65f6\u5e94\u6ce8\u610f\u54ea\u4e9b\u5e38\u89c1\u9519\u8bef\uff1f\u300b\u5bf9\u4f60\u6709\u5f88\u5927\u5e2e\u52a9\uff01\u6b22\u8fce\u6536\u85cf\uff0c\u5206\u4eab\u7ed9\u66f4\u591a\u7684\u9700\u8981\u7684\u670b\u53cb\u5b66\u4e60~<\/p>\n<p>\u5e38\u89c1\u6570\u636e\u5904\u7406\u9519\u8bef\u53ca\u5176\u5904\u7406\u65b9\u6cd5\uff1a\u68c0\u67e5\u5f02\u5e38\u503c\uff1a\u4f7f\u7528\u68c0\u67e5\u51fd\u6570\u786e\u4fdd\u8f93\u5165\u503c\u6709\u6548\u3002\u5904\u7406 nil \u6307\u9488\uff1a\u4f7f\u7528 if \u8bed\u53e5\u68c0\u67e5\u6307\u9488\u662f\u5426\u4e3a nil\uff0c\u5e76\u8fd4\u56de\u9ed8\u8ba4\u503c\u6216\u9519\u8bef\u3002\u521d\u59cb\u5316\u53d8\u91cf\uff1a\u4f7f\u7528\u53d8\u91cf\u524d\u59cb\u7ec8\u521d\u59cb\u5316\u5b83\u4eec\u3002\u907f\u514d\u975e\u6cd5\u7d22\u5f15\uff1a\u68c0\u67e5\u7d22\u5f15\u6709\u6548\u6027\uff0c\u5e76\u6839\u636e\u9700\u8981\u8c03\u6574\u7d22\u5f15\u6216\u8fd4\u56de\u9519\u8bef\u3002\u5728\u5e76\u53d1\u73af\u5883\u4e2d\u5b89\u5168\u8bbf\u95ee\u6570\u636e\uff1a\u4f7f\u7528\u9501\u6216\u901a\u9053\u7b49\u5e76\u53d1\u64cd\u4f5c\u4fdd\u62a4\u5171\u4eab\u6570\u636e\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729918835671c7773b8f1f.jpg\" class=\"aligncenter\"><\/p>\n<h2>GOLANG \u51fd\u6570\u4e2d\u5904\u7406\u6570\u636e\u65f6\u7684\u5e38\u89c1\u9519\u8bef\u53ca\u5176\u5904\u7406\u65b9\u6cd5<\/h2>\n<p>\u5728 Go \u51fd\u6570\u4e2d\u5904\u7406\u6570\u636e\u65f6\uff0c\u7ecf\u5e38\u4f1a\u9047\u5230\u4e00\u4e9b\u5e38\u89c1\u7684\u9519\u8bef\u3002\u4e3a\u4e86\u907f\u514d\u8fd9\u4e9b\u9519\u8bef\uff0c\u786e\u4fdd\u6570\u636e\u7684\u5b8c\u6574\u6027\u548c\u7a0b\u5e8f\u7684\u987a\u7545\u8fd0\u884c\uff0c\u4e86\u89e3\u548c\u5904\u7406\u8fd9\u4e9b\u9519\u8bef\u81f3\u5173\u91cd\u8981\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u9519\u8bef\u53ca\u5176\u5904\u7406\u5efa\u8bae\uff1a<\/p>\n<h3>1. \u672a\u5bf9\u5f02\u5e38\u503c\u8fdb\u884c\u68c0\u67e5<\/h3>\n<p><strong>\u9519\u8bef\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>func sum(numbers []int) int {\n  result := 0\n  for _, n := range numbers {\n    result += n \/\/ \u672a\u68c0\u67e5 n \u662f\u5426\u4e3a\u975e\u6570\u5b57\u5bfc\u81f4\u5f02\u5e38\n  }\n  return result\n}<\/pre>\n<p><strong>\u5904\u7406\u65b9\u6cd5\uff1a<\/strong><\/p>\n<p>\u4f7f\u7528 <code>strconv.Atoi<\/code> \u6216 <code>errors.Is<\/code> \u51fd\u6570\u5bf9\u8f93\u5165\u503c\u8fdb\u884c\u68c0\u67e5\uff0c\u4ee5\u786e\u4fdd\u5b83\u4eec\u662f\u6709\u6548\u7684\u6570\u5b57\u3002<\/p>\n<pre>func sum(numbers []string) (int, error) {\n  result := 0\n  for _, n := range numbers {\n    num, err := strconv.Atoi(n)\n    if err != nil {\n      return 0, err \/\/ \u8fd4\u56de\u9519\u8bef\u8868\u660e\u8f6c\u6362\u5931\u8d25\n    }\n    result += num\n  }\n  return result, nil\n}<\/pre>\n<h3>2. \u5ffd\u7565 nil \u6307\u9488<\/h3>\n<p><strong>\u9519\u8bef\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>func getUserName(user *User) string {\n  return user.name \/\/ user \u53ef\u80fd\u4e3a nil \u5bfc\u81f4\u7a0b\u5e8f\u5d29\u6e83\n}<\/pre>\n<p><strong>\u5904\u7406\u65b9\u6cd5\uff1a<\/strong><\/p>\n<p>\u4f7f\u7528 <code>if<\/code> \u8bed\u53e5\u68c0\u67e5\u6307\u9488\u662f\u5426\u4e3a nil\uff0c\u5e76\u5728\u5fc5\u8981\u65f6\u8fd4\u56de\u9ed8\u8ba4\u503c\u6216\u9519\u8bef\u3002<\/p>\n<pre>func getUserName(user *User) string {\n  if user == nil {\n    return \"\" \/\/ user \u4e3a nil \u65f6\u8fd4\u56de\u7a7a\u5b57\u7b26\u4e32\n  }\n  return user.name\n}<\/pre>\n<h3>3. \u4f7f\u7528\u672a\u521d\u59cb\u5316\u7684\u53d8\u91cf<\/h3>\n<p><strong>\u9519\u8bef\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>func getAverage(numbers []int) float64 {\n  var avg float64 \/\/ \u672a\u521d\u59cb\u5316 avg\n  for _, n := range numbers {\n    avg += float64(n)\n  }\n  return avg\n}<\/pre>\n<p><strong>\u5904\u7406\u65b9\u6cd5\uff1a<\/strong><\/p>\n<p>\u5728\u4f7f\u7528\u53d8\u91cf\u4e4b\u524d\u59cb\u7ec8\u521d\u59cb\u5316\u5b83\u4eec\u3002<\/p>\n<pre>func getAverage(numbers []int) float64 {\n  var avg float64 = 0 \/\/ \u521d\u59cb\u5316 avg \u4e3a 0\n  for _, n := range numbers {\n    avg += float64(n)\n  }\n  return avg\n}<\/pre>\n<h3>4. \u5bf9\u5207\u7247\u548c\u6570\u7ec4\u8fdb\u884c\u975e\u6cd5\u7d22\u5f15<\/h3>\n<p><strong>\u9519\u8bef\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>func removeElement(slice []int, index int) {\n  slice = append(slice[:index], slice[index+1:]...) \/\/ \u53ef\u80fd\u5bfc\u81f4\u8d8a\u754c\u9519\u8bef\n}<\/pre>\n<p><strong>\u5904\u7406\u65b9\u6cd5\uff1a<\/strong><\/p>\n<p>\u68c0\u67e5\u7d22\u5f15\u662f\u5426\u6709\u6548\uff0c\u5e76\u5728\u5fc5\u8981\u65f6\u8fd4\u56de\u9519\u8bef\u6216\u8c03\u6574\u7d22\u5f15\u3002<\/p>\n<pre>func removeElement(slice []int, index int) error {\n  if index &lt; 0 || index &gt;= len(slice) {\n    return errors.New(\"\u65e0\u6548\u7d22\u5f15\") \/\/ \u8fd4\u56de\u7d22\u5f15\u9519\u8bef\n  }\n  slice = append(slice[:index], slice[index+1:]...)\n  return nil\n}<\/pre>\n<h3>5. \u5728\u5e76\u53d1\u73af\u5883\u4e2d\u4fee\u6539\u5171\u4eab\u6570\u636e<\/h3>\n<p><strong>\u9519\u8bef\u793a\u4f8b\uff1a<\/strong><\/p>\n<pre>var globalMap = make(map[string]string) \/\/ \u4e0d\u5b89\u5168\u7684\u5e76\u53d1\u5171\u4eab\u6570\u636e\n\nfunc addData(key, value string) {\n  globalMap[key] = value \/\/ \u672a\u4f7f\u7528\u9501\u53ef\u80fd\u5bfc\u81f4\u6570\u636e\u4e0d\u4e00\u81f4\n}<\/pre>\n<p><strong>\u5904\u7406\u65b9\u6cd5\uff1a<\/strong><\/p>\n<p>\u5728\u5e76\u53d1\u73af\u5883\u4e2d\u8bbf\u95ee\u5171\u4eab\u6570\u636e\u65f6\u4f7f\u7528\u9002\u5f53\u7684\u5e76\u53d1\u64cd\u4f5c\uff0c\u4f8b\u5982\u9501\u6216\u901a\u9053\u3002<\/p>\n<pre>var globalMap = sync.Map{} \/\/ \u4f7f\u7528 sync.Map \u63d0\u4f9b\u7ebf\u7a0b\u5b89\u5168\u7684\u6570\u636e\u7ed3\u6784\n\nfunc addData(key, value string) {\n  globalMap.Store(key, value) \/\/ \u4f7f\u7528 Store \u64cd\u4f5c\u5b89\u5168\u5730\u6dfb\u52a0\u6570\u636e\n}<\/pre>\n<p><strong>\u5b9e\u6218\u6848\u4f8b\uff1a<\/strong><\/p>\n<p>\u8003\u8651\u4e00\u4e2a\u8bfb\u53d6\u548c\u66f4\u65b0\u7528\u6237\u6570\u636e\u7684 HTTP \u5904\u7406\u7a0b\u5e8f\u51fd\u6570\uff1a<\/p>\n<pre>import (\n  \"database\/sql\"\n  \"strconv\"\n)\n\nfunc updateUser(w http.ResponseWriter, r *http.Request) {\n  \/\/ \u4ece\u8bf7\u6c42\u4e2d\u63d0\u53d6\u7528\u6237 ID \u548c\u66f4\u65b0\u6570\u636e\n  id, err := strconv.Atoi(r.FormValue(\"id\"))\n  if err != nil {\n    http.Error(w, \"\u65e0\u6548\u7528\u6237 ID\", http.StatusBadRequest)\n    return\n  }\n  name := r.FormValue(\"name\")\n  email := r.FormValue(\"email\")\n\n  \/\/ \u8fde\u63a5\u6570\u636e\u5e93\u5e76\u66f4\u65b0\u7528\u6237\u6570\u636e\n  db, err := sql.Open(\"postgres\", \"user=user password=password db=users\")\n  if err != nil {\n    http.Error(w, \"\u6570\u636e\u5e93\u8fde\u63a5\u9519\u8bef\", http.StatusInternalServerError)\n    return\n  }\n  defer db.Close()\n\n  stmt, err := db.Prepare(\"UPDATE users SET name=?, email=? WHERE id=?\")\n  if err != nil {\n    http.Error(w, \"\u8bed\u53e5\u51c6\u5907\u9519\u8bef\", http.StatusInternalServerError)\n    return\n  }\n  defer stmt.Close() \/\/ \u786e\u4fdd\u8bed\u53e5\u5728\u51fd\u6570\u8fd4\u56de\u65f6\u5173\u95ed\n\n  _, err = stmt.Exec(name, email, id)\n  if err != nil {\n    http.Error(w, \"\u66f4\u65b0\u7528\u6237\u6570\u636e\u9519\u8bef\", http.StatusInternalServerError)\n    return\n  }\n\n  \/\/ \u8fd4\u56de\u66f4\u65b0\u6210\u529f\u54cd\u5e94\n  http.Write(w, \"\u7528\u6237\u66f4\u65b0\u6210\u529f\")\n}<\/pre>\n<p>\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528 <code>strconv.Atoi<\/code> \u68c0\u67e5\u7528\u6237\u7684 ID \u662f\u5426\u6709\u6548\uff0c\u4f7f\u7528 <code>sql.Open<\/code> \u786e\u4fdd\u6570\u636e\u5e93\u8fde\u63a5\u7684\u5b89\u5168\u6027\uff0c\u5e76\u4f7f\u7528 <code>sql.Prepare<\/code> \u548c <code>sql.Exec<\/code> \u6765\u5b89\u5168\u5730\u6267\u884c SQL \u67e5\u8be2\u3002<\/p>\n<p>\u6587\u4e2d\u5173\u4e8egolang,\u6570\u636e\u5904\u7406\u9519\u8bef\u7684\u77e5\u8bc6\u4ecb\u7ecd\uff0c\u5e0c\u671b\u5bf9\u4f60\u7684\u5b66\u4e60\u6709\u6240\u5e2e\u52a9\uff01\u82e5\u662f\u53d7\u76ca\u532a\u6d45\uff0c\u90a3\u5c31\u52a8\u52a8\u9f20\u6807\u6536\u85cf\u8fd9\u7bc7\u300aGOLANG \u51fd\u6570\u4e2d\u5904\u7406\u6570\u636e\u65f6\u5e94\u6ce8\u610f\u54ea\u4e9b\u5e38\u89c1\u9519\u8bef\uff1f\u300b\u6587\u7ae0\u5427\uff0c\u4e5f\u53ef\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\u4e86\u89e3\u76f8\u5173\u6280\u672f\u6587\u7ae0\u3002<\/p>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   Java \u51fd\u6570\u7ebf\u7a0b\u5b89\u5168\u6027\u7684\u884c\u4e1a\u6807\u51c6\n <\/dd>\n<\/dl>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u5982\u4f55\u901a\u8fc7\u57fa\u51c6\u6d4b\u8bd5\u5ea6\u91cf\u548c\u6539\u8fdb Java \u51fd\u6570\u6027\u80fd\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u7bc7\u6587\u7ae0\u4e3b\u8981\u662f\u7ed3\u5408\u6211\u4e4b\u524d\u9762\u8bd5\u7684\u5404&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-205521","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205521","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=205521"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205521\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=205521"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=205521"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=205521"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}