{"id":162160,"date":"2019-11-04T09:27:35","date_gmt":"2019-11-04T01:27:35","guid":{"rendered":"https:\/\/lrxjmw.cn\/?p=162160"},"modified":"2019-10-22T09:31:24","modified_gmt":"2019-10-22T01:31:24","slug":"shell-pass-parameter","status":"publish","type":"post","link":"https:\/\/lrxjmw.cn\/shell-pass-parameter.html","title":{"rendered":"Shell \u4f20\u9012\u53c2\u6570\u4ecb\u7ecd"},"content":{"rendered":"<table>\n<tbody>\n<tr>\n<td style=\"padding: 5px 12px; width: 25px; font-size: 22px; text-align: center; background: #E8E8E8; line-height: 30px; color: #999;\">\u5bfc\u8bfb<\/td>\n<td style=\"padding: 10px 10px 12px; line-height: 20px;\"><strong>\u6211\u4eec\u53ef\u4ee5\u5728\u6267\u884c Shell \u811a\u672c\u65f6\uff0c\u5411\u811a\u672c\u4f20\u9012\u53c2\u6570\uff0c\u811a\u672c\u5185\u83b7\u53d6\u53c2\u6570\u7684\u683c\u5f0f\u4e3a\uff1a$n\u3002n \u4ee3\u8868\u4e00\u4e2a\u6570\u5b57\uff0c1 \u4e3a\u6267\u884c\u811a\u672c\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570\uff0c2 \u4e3a\u6267\u884c\u811a\u672c\u7684\u7b2c\u4e8c\u4e2a\u53c2\u6570\uff0c\u4ee5\u6b64\u7c7b\u63a8\u2026\u2026<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><img loading=\"lazy\" decoding=\"async\" class=\" wp-image-162161 aligncenter\" src=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2019\/10\/1-24.jpg\" alt=\"\" width=\"351\" height=\"414\" \/><br \/>\n<strong>\u5b9e\u4f8b<\/strong><\/p>\n<p>\u4ee5\u4e0b\u5b9e\u4f8b\u6211\u4eec\u5411\u811a\u672c\u4f20\u9012\u4e09\u4e2a\u53c2\u6570\uff0c\u5e76\u5206\u522b\u8f93\u51fa\uff0c\u5176\u4e2d $0 \u4e3a\u6267\u884c\u7684\u6587\u4ef6\u540d\uff1a<\/p>\n<pre>#!\/bin\/bash\r\n# author:\u83dc\u9e1f\u6559\u7a0b\r\n# url:www.runoob.com\r\n\r\necho \"Shell \u4f20\u9012\u53c2\u6570\u5b9e\u4f8b\uff01\";\r\necho \"\u6267\u884c\u7684\u6587\u4ef6\u540d\uff1a$0\";\r\necho \"\u7b2c\u4e00\u4e2a\u53c2\u6570\u4e3a\uff1a$1\";\r\necho \"\u7b2c\u4e8c\u4e2a\u53c2\u6570\u4e3a\uff1a$2\";\r\necho \"\u7b2c\u4e09\u4e2a\u53c2\u6570\u4e3a\uff1a$3\";<\/pre>\n<p>\u4e3a\u811a\u672c\u8bbe\u7f6e\u53ef\u6267\u884c\u6743\u9650\uff0c\u5e76\u6267\u884c\u811a\u672c\uff0c\u8f93\u51fa\u7ed3\u679c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre>$ chmod +x test.sh \r\n$ .\/test.sh 1 2 3\r\nShell \u4f20\u9012\u53c2\u6570\u5b9e\u4f8b\uff01\r\n\u6267\u884c\u7684\u6587\u4ef6\u540d\uff1a.\/test.sh\r\n\u7b2c\u4e00\u4e2a\u53c2\u6570\u4e3a\uff1a1\r\n\u7b2c\u4e8c\u4e2a\u53c2\u6570\u4e3a\uff1a2\r\n\u7b2c\u4e09\u4e2a\u53c2\u6570\u4e3a\uff1a3<\/pre>\n<p>\u53e6\u5916\uff0c\u8fd8\u6709\u51e0\u4e2a\u7279\u6b8a\u5b57\u7b26\u7528\u6765\u5904\u7406\u53c2\u6570\uff1a<\/p>\n<pre>\u53c2\u6570\u5904\u7406\t\u8bf4\u660e\r\n$#\t\u4f20\u9012\u5230\u811a\u672c\u7684\u53c2\u6570\u4e2a\u6570\r\n$*\t\u4ee5\u4e00\u4e2a\u5355\u5b57\u7b26\u4e32\u663e\u793a\u6240\u6709\u5411\u811a\u672c\u4f20\u9012\u7684\u53c2\u6570\u3002\r\n\u5982\"$*\"\u7528\u300c\"\u300d\u62ec\u8d77\u6765\u7684\u60c5\u51b5\u3001\u4ee5\"$1 $2 \u2026 $n\"\u7684\u5f62\u5f0f\u8f93\u51fa\u6240\u6709\u53c2\u6570\u3002\r\n$$\t\u811a\u672c\u8fd0\u884c\u7684\u5f53\u524d\u8fdb\u7a0bID\u53f7\r\n$!\t\u540e\u53f0\u8fd0\u884c\u7684\u6700\u540e\u4e00\u4e2a\u8fdb\u7a0b\u7684ID\u53f7\r\n$@\t\u4e0e$*\u76f8\u540c\uff0c\u4f46\u662f\u4f7f\u7528\u65f6\u52a0\u5f15\u53f7\uff0c\u5e76\u5728\u5f15\u53f7\u4e2d\u8fd4\u56de\u6bcf\u4e2a\u53c2\u6570\u3002\r\n\u5982\"$@\"\u7528\u300c\"\u300d\u62ec\u8d77\u6765\u7684\u60c5\u51b5\u3001\u4ee5\"$1\" \"$2\" \u2026 \"$n\" \u7684\u5f62\u5f0f\u8f93\u51fa\u6240\u6709\u53c2\u6570\u3002\r\n$-\t\u663e\u793aShell\u4f7f\u7528\u7684\u5f53\u524d\u9009\u9879\uff0c\u4e0eset\u547d\u4ee4\u529f\u80fd\u76f8\u540c\u3002\r\n$?\t\u663e\u793a\u6700\u540e\u547d\u4ee4\u7684\u9000\u51fa\u72b6\u6001\u30020\u8868\u793a\u6ca1\u6709\u9519\u8bef\uff0c\u5176\u4ed6\u4efb\u4f55\u503c\u8868\u660e\u6709\u9519\u8bef\u3002<\/pre>\n<pre>#!\/bin\/bash\r\n# author:\u83dc\u9e1f\u6559\u7a0b\r\n# url:www.runoob.com\r\n\r\necho \"Shell \u4f20\u9012\u53c2\u6570\u5b9e\u4f8b\uff01\";\r\necho \"\u7b2c\u4e00\u4e2a\u53c2\u6570\u4e3a\uff1a$1\";\r\n\r\necho \"\u53c2\u6570\u4e2a\u6570\u4e3a\uff1a$#\";\r\necho \"\u4f20\u9012\u7684\u53c2\u6570\u4f5c\u4e3a\u4e00\u4e2a\u5b57\u7b26\u4e32\u663e\u793a\uff1a$*\";<\/pre>\n<p>\u6267\u884c\u811a\u672c\uff0c\u8f93\u51fa\u7ed3\u679c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre>$ chmod +x test.sh \r\n$ .\/test.sh 1 2 3\r\nShell \u4f20\u9012\u53c2\u6570\u5b9e\u4f8b\uff01\r\n\u7b2c\u4e00\u4e2a\u53c2\u6570\u4e3a\uff1a1\r\n\u53c2\u6570\u4e2a\u6570\u4e3a\uff1a3\r\n\u4f20\u9012\u7684\u53c2\u6570\u4f5c\u4e3a\u4e00\u4e2a\u5b57\u7b26\u4e32\u663e\u793a\uff1a1 2 3<\/pre>\n<p>$* \u4e0e $@ \u533a\u522b\uff1a<\/p>\n<p>\u76f8\u540c\u70b9\uff1a\u90fd\u662f\u5f15\u7528\u6240\u6709\u53c2\u6570\u3002<br \/>\n\u4e0d\u540c\u70b9\uff1a\u53ea\u6709\u5728\u53cc\u5f15\u53f7\u4e2d\u4f53\u73b0\u51fa\u6765\u3002\u5047\u8bbe\u5728\u811a\u672c\u8fd0\u884c\u65f6\u5199\u4e86\u4e09\u4e2a\u53c2\u6570 1\u30012\u30013\uff0c\uff0c\u5219 \" * \" \u7b49\u4ef7\u4e8e \"1 2 3\"\uff08\u4f20\u9012\u4e86\u4e00\u4e2a\u53c2\u6570\uff09\uff0c\u800c \"@\" \u7b49\u4ef7\u4e8e \"1\" \"2\" \"3\"\uff08\u4f20\u9012\u4e86\u4e09\u4e2a\u53c2\u6570\uff09\u3002<\/p>\n<pre>#!\/bin\/bash\r\n# author:\u83dc\u9e1f\u6559\u7a0b\r\n# url:www.runoob.com\r\n\r\necho \"-- \\$* \u6f14\u793a ---\"\r\nfor i in \"$*\"; do\r\n    echo $i\r\ndone\r\n\r\necho \"-- \\$@ \u6f14\u793a ---\"\r\nfor i in \"$@\"; do\r\n    echo $i\r\ndone<\/pre>\n<p>\u6267\u884c\u811a\u672c\uff0c\u8f93\u51fa\u7ed3\u679c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n<pre>$ chmod +x test.sh \r\n$ .\/test.sh 1 2 3\r\n-- $* \u6f14\u793a ---\r\n1 2 3\r\n-- $@ \u6f14\u793a ---\r\n1\r\n2\r\n3<\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u5b9e\u4f8b \u4ee5\u4e0b\u5b9e\u4f8b\u6211\u4eec\u5411\u811a\u672c\u4f20\u9012\u4e09\u4e2a\u53c2\u6570\uff0c\u5e76\u5206\u522b\u8f93\u51fa\uff0c\u5176\u4e2d $0 \u4e3a\u6267\u884c\u7684\u6587\u4ef6\u540d\uff1a #!\/bin\/bash # a [&hellip;]<\/p>\n","protected":false},"author":1481,"featured_media":162162,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[55],"tags":[],"class_list":["post-162160","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-thread"],"acf":[],"_links":{"self":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/162160","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/users\/1481"}],"replies":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/comments?post=162160"}],"version-history":[{"count":3,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/162160\/revisions"}],"predecessor-version":[{"id":162165,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/162160\/revisions\/162165"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/media\/162162"}],"wp:attachment":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/media?parent=162160"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/categories?post=162160"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/tags?post=162160"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}