{"id":405,"date":"2021-07-28T17:36:15","date_gmt":"2021-07-28T09:36:15","guid":{"rendered":"https:\/\/egonlin.com\/?p=405"},"modified":"2024-05-09T09:57:03","modified_gmt":"2024-05-09T01:57:03","slug":"%e6%95%b0%e7%bb%84","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=405","title":{"rendered":"\u6570\u7ec4"},"content":{"rendered":"<h1>\u6570\u7ec4<\/h1>\n<h2>\u4e00 \u6570\u7ec4\u4ecb\u7ecd<\/h2>\n<h3>\u4ec0\u4e48\u662f\u6570\u7ec4\uff1f<\/h3>\n<pre><code class=\"language-python\">\u6570\u7ec4\u5c31\u662f\u4e00\u7cfb\u5217\u5143\u7d20\u7684\u96c6\u5408\uff0c\u4e00\u4e2a\u6570\u7ec4\u5185\u53ef\u4ee5\u5b58\u653e\u591a\u4e2a\u5143\u7d20<\/code><\/pre>\n<h3>\u4e3a\u4f55\u8981\u7528\u6570\u7ec4?<\/h3>\n<pre><code class=\"language-python\">\u6211\u4eec\u53ef\u4ee5\u7528\u6570\u7ec4\u5c06\u591a\u4e2a\u5143\u7d20\u6c47\u603b\u5230\u4e00\u8d77\uff0c\u907f\u514d\u5355\u72ec\u5b9a\u4e49\u7684\u9ebb\u70e6<\/code><\/pre>\n<h2>\u4e8c \u6570\u7ec4\u7684\u4f7f\u7528<\/h2>\n<h3>2.1 \u6570\u7ec4\u7684\u5b9a\u4e49<\/h3>\n<pre><code class=\"language-python\"># \u65b9\u5f0f\u4e00\uff1aarray=(\u5143\u7d201 \u5143\u7d202 \u5143\u7d203)\r\narray=(egon 18 male)\r\n\r\n# \u65b9\u5f0f\u4e8c\uff1aarray=([key1]=value1 [key2]=value2 [key3]=value3)\r\narray=([0]=111 [1]=\"two\" [2]=333)\r\n\r\n# \u65b9\u5f0f\u4e09\uff1a\u4f9d\u6b21\u8d4b\u503c\r\narray_new[0]=111\r\narray_new[1]=222\r\narray_new[2]=\"third\"\r\n\r\n# \u65b9\u5f0f\u56db\uff1a\u5229\u7528\u6267\u884c\u547d\u4ee4\u7684\u7ed3\u679c\u8bbe\u7f6e\u6570\u7ec4\u5143\u7d20\uff1aarray=($(\u547d\u4ee4))  \u6216\u8005  array=(`\u547d\u4ee4`)\r\n\u8be5\u65b9\u5f0f\u4f1a\u5c06\u547d\u4ee4\u7684\u7ed3\u679c\u4ee5\u7a7a\u683c\u4e3a\u5206\u9694\u7b26\u5207\u6210\u591a\u4e2a\u5143\u7d20\u7136\u540e\u8d4b\u503c\u7ed9\u6570\u7ec4\r\n[root@aliyun ~]# ls \/test\r\na.txt   b.txt\r\n[root@aliyun ~]# array3=(`ls \/test`)\r\n[root@aliyun ~]# declare -a |grep array3\r\ndeclare -a array3='([0]=\"a.txt\" [1]=\"b.txt\")'\r\n\r\n# ps:\u67e5\u770b\u58f0\u660e\u8fc7\u7684\u6570\u7ec4\r\ndeclare -a<\/code><\/pre>\n<h3>2.2 \u8bbf\u95ee\u6570\u7ec4\u5185\u5143\u7d20<\/h3>\n<pre><code class=\"language-python\">[root@aliyun ~]# array=(egon 18 male)\r\n\r\n#1\u3001\u6309\u7167\u7d22\u5f15\u8bbf\u95ee\u6570\u7ec4\u5185\u6307\u5b9a\u4f4d\u7f6e\u7684\u5143\u7d20\r\n[root@aliyun ~]# echo ${array[0]}\r\negon\r\n[root@aliyun ~]# echo ${array[1]}\r\n18\r\n[root@aliyun ~]# echo ${array[2]}\r\nmale\r\n[root@aliyun ~]# echo ${array[-1]}  # \u652f\u6301\u8d1f\u5411\u7d22\u5f15\r\nmale\r\n\r\n# 2\u3001\u8bbf\u95ee\u6570\u7ec4\u5185\u5168\u90e8\u5143\u7d20\u4fe1\u606f\r\n[root@aliyun ~]# echo ${array[*]}\r\negon 18 male\r\n[root@aliyun ~]# echo ${array[@]}\r\negon 18 male\r\n\r\n*\u4e0e@\u7684\u533a\u522b\u5728\u6b64\u5904\u4f9d\u7136\u9002\u7528\r\n[root@www.egonlin.com ~]# array=(111 222 \"333 4444\")  # 333 4444\u88ab\u5f15\u53f7\u5305\u542b\u6210\u4e00\u4e2a\u6574\u4f53\u3001\u662f\u4e00\u4e2a\u503c\r\n[root@www.egonlin.com ~]# declare -a |grep array\r\ndeclare -a array='([0]=\"111\" [1]=\"222\" [2]=\"333 4444\")'\r\n[root@www.egonlin.com ~]# for i in \"${array[*]}\";do echo $i;done\r\n111 222 333 4444\r\n[root@www.egonlin.com ~]# for i in \"${array[@]}\";do echo $i;done\r\n111\r\n222\r\n333 4444\r\n\r\n# 3\u3001\u83b7\u53d6\u6570\u7ec4\u5143\u7d20\u7684\u957f\u5ea6\r\n[root@aliyun ~]# echo ${#array[*]}\r\n3\r\n[root@aliyun ~]# echo ${#array[@]}\r\n3<\/code><\/pre>\n<h3>2.3 \u4fee\u6539\/\u6dfb\u52a0\u6570\u7ec4\u5143\u7d20<\/h3>\n<pre><code class=\"language-python\">[root@aliyun ~]# array=(egon 18 male)\r\n[root@aliyun ~]# array[0]=\"EGON\"  # \u4fee\u6539\r\n[root@aliyun ~]# array[3]=\"IT\"  # \u6dfb\u52a0\r\n[root@aliyun ~]# declare -a |grep array\r\ndeclare -a array='([0]=\"EGON\" [1]=\"18\" [2]=\"male\" [3]=\"IT\")'<\/code><\/pre>\n<h3>2.4 \u5220\u9664\u6570\u7ec4\u5143\u7d20<\/h3>\n<pre><code class=\"language-python\">[root@aliyun ~]# unset array[0]\r\n[root@aliyun ~]# echo ${array[*]}\r\n18 male IT\r\n[root@aliyun ~]# declare -a |grep array\r\ndeclare -a array='([1]=\"18\" [2]=\"male\" [3]=\"IT\")'\r\n[root@aliyun ~]# \r\n[root@aliyun ~]# \r\n[root@aliyun ~]# unset array[2]\r\n[root@aliyun ~]# declare -a |grep array\r\ndeclare -a array='([1]=\"18\" [3]=\"IT\")'\r\n\r\n[root@aliyun ~]# unset array  # \u5220\u9664\u6574\u4e2a\u6570\u7ec4\r\n[root@aliyun ~]# echo ${array[*]}\r\n\r\n[root@aliyun ~]# <\/code><\/pre>\n<h3>2.5 \u6570\u7ec4\u5185\u5143\u7d20\u7684\u622a\u53d6<\/h3>\n<pre><code class=\"language-python\">[root@aliyun ~]# array=(egon 18 male IT 1.80)\r\n[root@aliyun ~]# echo ${array[*]:1}    # \u4ece\u7d22\u5f151\u5f00\u59cb\uff0c\u4e00\u76f4\u5230\u6700\u540e\r\n18 male IT 1.80\r\n[root@aliyun ~]# echo ${array[*]:1:3}  # \u4ece\u7d22\u5f151\u5f00\u59cb\uff0c\u8bbf\u95ee3\u4e2a\u5143\u7d20\r\n18 male IT\r\n\r\n[root@aliyun ~]# array=(one two three four five fire)\r\n[root@aliyun ~]# echo ${array[*]#one}\r\ntwo three four five fire\r\n[root@aliyun ~]# echo ${array[*]#f*e}\r\none two three four<\/code><\/pre>\n<h3>2.6 \u6570\u7ec4\u5185\u5bb9\u7684\u66ff\u6362<\/h3>\n<pre><code class=\"language-python\">[root@aliyun ~]# array=(one two three four five fire)\r\n\r\n[root@aliyun ~]# echo ${array[*]\/five\/abc}\r\none two three four abc fire\r\n\r\n[root@aliyun ~]# echo ${array[*]\/f*e\/abc}\r\none two three four abc abc<\/code><\/pre>\n<h2>\u4e09 \u5173\u8054\u6570\u7ec4<\/h2>\n<p>\u6570\u7ec4\u5206\u4e3a\u4e24\u79cd<\/p>\n<ul>\n<li>\u666e\u901a\u6570\u7ec4\uff1a\u53ea\u80fd\u4f7f\u7528\u6574\u6570\u4f5c\u4e3a\u6570\u7ec4\u7d22\u5f15\uff0c\u6211\u4eec\u524d\u9762\u4ecb\u7ecd\u7684\u90fd\u662f\u666e\u901a\u6570\u7ec4<\/li>\n<li>\u5173\u8054\u6570\u7ec4\uff1a\u53ef\u4ee5\u4f7f\u7528\u5b57\u7b26\u4e32\u4f5c\u4e3a\u6570\u7ec4\u7d22\u5f15\uff0c\u9700\u8981\u7528declare -A\u58f0\u660e<\/li>\n<\/ul>\n<p>\u58f0\u660e\u5173\u8054\u6570\u7ec4<\/p>\n<pre><code class=\"language-python\">[root@aliyun ~]# declare -A info\r\n[root@aliyun ~]# info[\"name\"]=\"egon\"\r\n[root@aliyun ~]# info[\"age\"]=18\r\n[root@aliyun ~]# info[\"gender\"]=\"male\"\r\n[root@aliyun ~]# \r\n[root@aliyun ~]# declare -A |grep info\r\ndeclare -A info='([gender]=\"male\" [name]=\"egon\" [age]=\"18\" )'\r\n[root@aliyun ~]# \r\n[root@aliyun ~]# echo ${info[*]}\r\nmale egon 18\r\n[root@aliyun ~]# \r\n[root@aliyun ~]# echo ${info[\"name\"]}\r\negon<\/code><\/pre>\n<h2>\u56db \u904d\u5386\u6570\u7ec4<\/h2>\n<p>\u65b9\u6cd5\u4e00\uff1a \u5229\u7528\u83b7\u53d6\u6240\u6709\u4fe1\u606f\u8fdb\u884c\u904d\u5386 \uff08\u9002\u7528\u4e8e\u666e\u901a\u6570\u7ec4\u4e0e\u5173\u8054\u6570\u7ec4\uff09<\/p>\n<pre><code class=\"language-python\"># \u4f8b1\r\ndeclare -A array\r\narray=([\"name\"]=\"egon\" [\"age\"]=18 [\"gender\"]=\"male\")\r\n\r\nfor item in ${array[*]}\r\ndo \r\n    echo $item\r\ndone\r\n\r\n# \u4f8b2\r\narray=(\"egon\" 18 \"male\")\r\nfor item in ${array[*]}\r\ndo \r\n    echo $item\r\ndone<\/code><\/pre>\n<p>\u65b9\u6cd5\u4e8c\uff1a \u901a\u8fc7\u6570\u7ec4\u5143\u6570\u7684\u7d22\u5f15\u8fdb\u884c\u904d\u5386\uff08\u9002\u7528\u4e8e\u666e\u901a\u6570\u7ec4\u4e0e\u5173\u8054\u6570\u7ec4\uff09<\/p>\n<pre><code class=\"language-python\"># \u4f8b1\r\ndeclare -A array\r\narray=([\"name\"]=\"egon\" [\"age\"]=18 [\"gender\"]=\"male\")\r\n\r\nfor i in ${!array[*]}  # echo ${!array[*]}  # \u83b7\u53d6\u7684\u662fkey\u4fe1\u606f:name age gender\r\ndo \r\n    echo \"$i:${array[$i]}\"\r\ndone\r\n\r\n# \u4f8b2\r\narray=(\"egon\" 18 \"male\")\r\nfor i in ${!array[*]}  # echo ${!array[*]} \u76f4\u63a5\u83b7\u53d6\u6240\u6709\u5143\u7d20\u7684\u7d22\u5f15\u4fe1\u606f\r\ndo \r\n    echo $i\r\n    echo ${array[i]}\r\ndone<\/code><\/pre>\n<p>\u65b9\u6cd5\u4e09\uff1a\u6839\u636e\u6570\u7ec4\u957f\u5ea6\u4fe1\u606f\u8fdb\u884c\u904d\u5386\uff0c\uff08\u9002\u7528\u4e8e\u666e\u901a\u6570\u7ec4\uff09<\/p>\n<pre><code class=\"language-python\">array=(\"egon\" 18 \"male\")\r\n\r\nfor ((i=0;i&lt;${#array[*]};i++))\r\ndo \r\n    echo \"$i:${array[$i]}\"\r\ndone<\/code><\/pre>\n<h2>\u4e94 \u7ec3\u4e60<\/h2>\n<div id=\"rml_readmorelogin_placeholder\" style=\"position:relative;\"><div id=\"rml_fade_content\" style=\"position: absolute;\r\ntop:-10em;\r\nwidth:100%;\r\nheight:10em;\r\nbackground: -webkit-linear-gradient(rgba(255, 255, 255, 0) 0%,#ffffff 100%);\r\nbackground-image: -moz-linear-gradient(rgba(255, 255, 255, 0) 0%,#ffffff 100%);\r\nbackground-image: -o-linear-gradient(rgba(255, 255, 255, 0) 0%,#ffffff 100%);\r\nbackground-image: linear-gradient(rgba(255, 255, 255, 0) 0%,#ffffff 100%);\r\nbackground-image: -ms-linear-gradient(rgba(255, 255, 255, 0) 0%,#ffffff 100%);\"><\/div><div class=\"wpf-controller aru_rml_from_in_post\" style=\"background-color:#eeeeee;border:5px solid #cce6ff;\" id=\"ARU_ReadMoreLogin_ReadMoreLoginController\"><h2 id=\"Header\">\u67e5\u770b\u66f4\u591a<\/h2><div id=\"Message\"><p>\u8054\u7cfb\u7ba1\u7406\u5458\u5fae\u4fe1tutu19192010\uff0c\u6ce8\u518c\u8d26\u53f7<\/p>\n<\/div><div id=\"StatusBarHeader\"><\/div><form id=\"ARU_ReadMoreLogin_ReadMoreLoginController\"><input name=\"post_id\" value=\"405\" type=\"hidden\"\/><input name=\"_init_callback\" value=\"InitLogin\" type=\"hidden\"\/><input name=\"post_id\" value=\"405\" type=\"hidden\"\/><input name=\"rt_ype\" value=\"1\" type=\"hidden\"\/><input name=\"nonce\" value=\"5feae3dbba\" type=\"hidden\"\/><input name=\"_wpnonce\" value=\"2d1dcda414\" type=\"hidden\"\/><input name=\"_controller\" value=\"ARU_ReadMoreLogin\\ReadMoreLoginController\" type=\"hidden\"\/><input name=\"_proxy_controller\" value=\"ARU_ReadMoreLogin\\ReadMoreLoginController\" type=\"hidden\"\/><input name=\"_view\" value=\"ARU_ReadMoreLogin\\ReadMoreLoginView\" type=\"hidden\"\/><table class=\"wpf-table-placeholder\"><tbody class=\"wpf-table-placeholder\"><tr class=\"wpf-table-placeholder\"><td class=\"wpf-table-placeholder-input\" width=\"400px\"><table class=\"wpf-table-placeholder\"><tbody class=\"wpf-table-placeholder\"><tr class=\"wpf-table-placeholder\"><th class=\"wpf-table-placeholder-input\"><label class=\"wpf-label\">Username:<\/label><\/th><\/tr><tr class=\"wpf-table-placeholder\"><td class=\"wpf-table-placeholder-input\"><input class=\"regular-text text_input\" name=\"username\" value=\"\" type=\"text\"\/><\/td><\/tr><tr class=\"wpf-table-placeholder\"><th class=\"wpf-table-placeholder-input\"><label class=\"wpf-label\">Password:<\/label><\/th><\/tr><tr class=\"wpf-table-placeholder\"><td class=\"wpf-table-placeholder-input\"><input class=\"regular-text text_input\" name=\"password\" value=\"\" type=\"password\"\/><\/td><\/tr><\/tbody><\/table><p class=\"wpf-table-placeholder submit\"><button class=\"wp_plugin_framework_ajax_button\" type=\"button\" style=\"background-color:#4D90FE;;color:#ffffff;;border:1px solid #3079ed;\" name=\"_event\" value=\"ButtonLogin\">Log in<\/button><\/p><\/td><td class=\"wpf-table-placeholder-input\"><\/td><\/tr><\/tbody><\/table><\/form><div id=\"ButtonStartRegister\"><a href=\"https:\/\/egonlin.com\/wp-login.php?action=register\">Register<\/a><\/div><div id=\"Link1\"><a href=\"https:\/\/egonlin.com\/wp-login.php?action=lostpassword\">Forgotten username or password?<\/a><\/div><div id=\"StatusBarFooter\"><\/div><\/div><\/div><div id=aru_remaining_content><\/div>","protected":false},"excerpt":{"rendered":"<p>\u6570\u7ec4 \u4e00 \u6570\u7ec4\u4ecb\u7ecd \u4ec0\u4e48\u662f\u6570\u7ec4\uff1f \u6570\u7ec4\u5c31\u662f\u4e00\u7cfb\u5217\u5143\u7d20\u7684\u96c6\u5408\uff0c\u4e00\u4e2a\u6570\u7ec4\u5185\u53ef\u4ee5\u5b58\u653e\u591a\u4e2a\u5143\u7d20 \u4e3a\u4f55\u8981\u7528\u6570\u7ec4? \u6211\u4eec\u53ef [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[67],"tags":[21,19,75,22,20],"_links":{"self":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/405"}],"collection":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=405"}],"version-history":[{"count":2,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/405\/revisions"}],"predecessor-version":[{"id":10838,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/405\/revisions\/10838"}],"wp:attachment":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=405"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=405"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=405"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}