\u58f0\u660e\u5b57\u5178\u53d8\u91cf<\/strong><\/div>\n
\u4f7f\u7528declare -A<\/code>\u547d\u4ee4\u663e\u5f0f\u58f0\u660e\u5b57\u5178\u3002<\/p>\n
\r\n[root@localhost ~]# declare -A test_var\r\n<\/pre>\n\u5b57\u5178\u4e2d\u6dfb\u52a0\u952e\u503c\u5bf9<\/strong><\/div>\n\u5982\u679c\u9700\u8981\u5728\u5b57\u5178\u4e2d\u6dfb\u52a0\u952e\u503c\u5bf9\uff0c\u4f7f\u7528\u4e0b\u9762\u547d\u4ee4\u64cd\u4f5c\uff1a<\/p>\n \r\n[root@localhost ~]# declare -A dic\r\n# \u6dfb\u52a0\u65b9\u5f0f\u4e00\r\n[root@localhost ~]# dic=([key1]=\"value1\" [key2]=\"value2\" [key3]=\"value3\")\r\n# \u6dfb\u52a0\u65b9\u5f0f\u4e8c\r\n[root@localhost ~]# dic[key4]=value4\r\n# \u6dfb\u52a0\u65b9\u5f0f\u4e09\uff0c\u4f7f\u7528\u53d8\u91cf\u6dfb\u52a0\u952e\u503c\u5bf9\r\n[root@localhost ~]# var_key1=key5\r\n[root@localhost ~]# var_value1=value5\r\n[root@localhost ~]# dic[$var_key1]=$var_value1\r\n<\/pre>\n\u4ece\u5b57\u5178\u4e2d\u68c0\u7d22\u952e\u503c\u5bf9<\/strong><\/div>\n\u4f7f\u7528\u4e0b\u9762\u65b9\u5f0f\u901a\u8fc7\u952e\u7684\u540d\u79f0\u83b7\u53d6\u503c\uff1a<\/p>\n \r\n[root@localhost ~]# echo ${dic[key1]}\r\nvalue1\r\n[root@localhost ~]# echo ${dic[$var_key1]}\r\nvalue5\r\n<\/pre>\n\u66f4\u65b0\u5b57\u5178\u4e2d\u7684\u73b0\u6709\u952e\u503c<\/strong><\/div>\n\u66f4\u65b0\u73b0\u6709\u952e\u7684\u503c\u4e0e\u63d2\u5165\u65b0\u7684\u952e\u503c\u5bf9\u6ca1\u6709\u4ec0\u4e48\u4e0d\u540c\u3002\u901a\u8fc7\u66f4\u65b0\uff0c\u73b0\u6709\u503c\u4f1a\u88ab\u65b0\u503c\u8986\u76d6\u3002<\/p>\n \r\n[root@localhost ~]# dic[key1]='puppy'\r\n[root@localhost ~]# echo ${dic[@]}\r\nvalue5 value4 value3 value2 puppy\r\n<\/pre>\n\u53ef\u4ee5\u770b\u5230key1\u7684\u503c\u88ab\u6539\u6210 puppy\u4e86\u3002 \n<\/p>\n \u68c0\u67e5\u5b57\u5178\u4e2d\u662f\u5426\u5b58\u5728\u952e<\/strong><\/div>\n\u5982\u679c\u60f3\u68c0\u67e5\u4e00\u4e2a\u952e\u662f\u5426\u5b58\u50a8\u5728\u5b57\u5178\u4e2d\u3002\u53ef\u4ee5\u901a\u8fc7\u68c0\u67e5\u662f\u5426\u8bbe\u7f6e\u4e86\u503c\u6765\u6d4b\u8bd5\u5b57\u5178\u4e2d\u952e\u7684\u5b58\u5728\uff08\u5728\u6761\u4ef6\u4e2d\u4f7f\u7528 -v<\/code> \u8fd0\u7b97\u7b26\uff09\u3002<\/p>\n \r\n[root@localhost ~]# if [ -v dic[key1] ];then echo 'key1 exists in dic';fi\r\nkey1 exists in dic\r\n[root@localhost ~]# if [ ! -v dic[key6] ];then echo 'key6 does not exists in dic';fi\r\nkey6 does not exists in dic\r\n<\/pre>\n<\/p>\n \u4ece\u5b57\u5178\u4e2d\u5220\u9664\u952e\u503c\u5bf9<\/strong><\/div>\n\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528 unset<\/code> \u8bed\u53e5\u6307\u5b9a\u952e\uff0c\u4ece\u5b57\u5178\u4e2d\u5220\u9664\u73b0\u6709\u7684\u952e\u503c\u5bf9\u3002<\/p>\n \r\n[root@localhost ~]# unset dic[key1]\r\n[root@localhost ~]# unset dic[$var_key1]\r\n[root@localhost ~]# echo ${dic[@]}\r\nvalue4 value3 value2\r\n<\/pre>\n\u53ef\u4ee5\u770b\u5230\u7ed3\u679ckey1\u548ckey5\u7684\u952e\u503c\u90fd\u5220\u6389\u4e86 \n<\/p>\n \u904d\u5386\u5b57\u5178<\/strong><\/div>\n\u53e6\u4e00\u4e2a\u5e38\u7528\u7684\u529f\u80fd\u662f\u904d\u5386\uff0c\u4f7f\u7528${!dic[@]}<\/code>\u6765\u83b7\u53d6\u6240\u6709\u7684\u952e\u540d\u79f0\uff0c\u4f7f\u7528${dic[@]}<\/code>\u6765\u83b7\u53d6\u6240\u6709\u7684\u503c\u3002\u904d\u5386\u5b58\u50a8\u5728\u5b57\u5178\u4e2d\u7684\u6240\u6709\u952e\u503c\u5bf9\u5e76\u6267\u884c\u4e00\u4e9b\u64cd\u4f5c\uff1a<\/p>\n \r\n[root@localhost ~]# vim dic_for.sh\r\n[root@localhost ~]# cat dic_for.sh \r\n#!\/bin\/bash\r\ndeclare -A dic\r\ndic=([key1]=\"value1\" [key2]=\"value2\" [key3]=\"value3\")\r\n\r\nfor key in \"${!dic[@]}\"\r\ndo\r\necho \"$key - ${dic[$key]}\"\r\ndone\r\n[root@localhost ~]# sh dic_for.sh \r\nkey3 - value3\r\nkey2 - value2\r\nkey1 - value1\r\n<\/pre>\n<\/p>\n","protected":false},"excerpt":{"rendered":" \u4f7f\u7528declare -A\u547d\u4ee4\u663e\u5f0f\u58f0\u660e\u5b57\u5178\u3002 [root@localhost ~]# declare -A te […]<\/p>\n","protected":false},"author":309,"featured_media":224699,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[55],"tags":[],"class_list":["post-224698","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\/224698","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\/309"}],"replies":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/comments?post=224698"}],"version-history":[{"count":1,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/224698\/revisions"}],"predecessor-version":[{"id":224704,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/224698\/revisions\/224704"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/media\/224699"}],"wp:attachment":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/media?parent=224698"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/categories?post=224698"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/tags?post=224698"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}