{"id":5387,"date":"2022-04-02T20:42:23","date_gmt":"2022-04-02T12:42:23","guid":{"rendered":"https:\/\/egonlin.com\/?p=5387"},"modified":"2022-04-02T20:42:23","modified_gmt":"2022-04-02T12:42:23","slug":"06-04-%e5%ad%97%e5%85%b8%e7%b1%bb%e5%9e%8b%e5%8f%8a%e6%93%8d%e4%bd%9c","status":"publish","type":"post","link":"https:\/\/egonlin.com\/?p=5387","title":{"rendered":"06-04 \u5b57\u5178\u7c7b\u578b\u53ca\u64cd\u4f5c"},"content":{"rendered":"<h1>\u4e00\u3001\u6982\u8ff0<\/h1>\n<ul>\n<li>\u5b57\u5178\u7c7b\u578b\u5b9a\u4e49<\/li>\n<li>\u5b57\u5178\u5904\u7406\u51fd\u6570\u53ca\u65b9\u6cd5<\/li>\n<li>\u5b57\u5178\u7c7b\u578b\u5e94\u7528\u573a\u666f<\/li>\n<\/ul>\n<h1>\u4e8c\u3001\u5b57\u5178\u7c7b\u578b\u5b9a\u4e49<\/h1>\n<h2>2.1 \u7406\u89e3\u201c\u6620\u5c04\u201d<\/h2>\n<ul>\n<li>\u6620\u5c04\u662f\u4e00\u79cd\u952e(\u7d22\u5f15)\u548c\u503c(\u6570\u636e)\u7684\u5bf9\u5e94<\/li>\n<\/ul>\n<p><div class='fancybox-wrapper lazyload-container-unload' data-fancybox='post-images' href='https:\/\/egonlin.com\/wp-content\/uploads\/2022\/04\/\u5b57\u5178\u7c7b\u578b\u53ca\u64cd\u4f5c1.png'><img class=\"lazyload lazyload-style-2\" src=\"data:image\/svg+xml;base64,PCEtLUFyZ29uTG9hZGluZy0tPgo8c3ZnIHdpZHRoPSIxIiBoZWlnaHQ9IjEiIHhtbG5zPSJodHRwOi8vd3d3LnczLm9yZy8yMDAwL3N2ZyIgc3Ryb2tlPSIjZmZmZmZmMDAiPjxnPjwvZz4KPC9zdmc+\"  data-original=\"https:\/\/egonlin.com\/wp-content\/uploads\/2022\/04\/\u5b57\u5178\u7c7b\u578b\u53ca\u64cd\u4f5c1.png\" src=\"data:image\/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAAAXNSR0IArs4c6QAAAARnQU1BAACxjwv8YQUAAAAJcEhZcwAADsQAAA7EAZUrDhsAAAANSURBVBhXYzh8+PB\/AAffA0nNPuCLAAAAAElFTkSuQmCC\" alt=\"\" \/><\/div><\/p>\n<p>\u5e8f\u5217\u7c7b\u578b\u75310..N\u6574\u6570\u4f5c\u4e3a\u6570\u636e\u7684\u9ed8\u8ba4\u7d22\u5f15 \u6620\u5c04\u7c7b\u578b\u5219\u7531\u7528\u6237\u4e3a\u6570\u636e\u5b9a\u4e49\u7d22\u5f15<\/p>\n<h2>2.2 \u5b57\u5178\u7c7b\u578b\u5b9a\u4e49<\/h2>\n<p>\u5b57\u5178\u7c7b\u578b\u662f\u201c\u6620\u5c04\u201d\u7684\u4f53\u73b0<\/p>\n<ul>\n<li>\u952e\u503c\u5bf9\uff1a\u952e\u662f\u6570\u636e\u7d22\u5f15\u7684\u6269\u5c55<\/li>\n<li>\u5b57\u5178\u662f\u952e\u503c\u5bf9\u7684\u96c6\u5408\uff0c\u952e\u503c\u5bf9\u4e4b\u95f4\u65e0\u5e8f<\/li>\n<li>\u91c7\u7528\u5927\u62ec\u53f7{}\u548cdict()\u521b\u5efa\uff0c\u952e\u503c\u5bf9\u7528\u5192\u53f7: \u8868\u793a<\/li>\n<\/ul>\n<pre><code class=\"language-python\">{&lt;\u952e1&gt;:&lt;\u503c1&gt;, &lt;\u952e2&gt;:&lt;\u503c2&gt;, \u2026 , &lt;\u952en&gt;:&lt;\u503cn&gt;}<\/code><\/pre>\n<h2>2.3 \u5b57\u5178\u7c7b\u578b\u7684\u7528\u6cd5<\/h2>\n<p>\u5728\u5b57\u5178\u53d8\u91cf\u4e2d\uff0c\u901a\u8fc7\u952e\u83b7\u5f97\u503c<\/p>\n<pre><code class=\"language-python\">&lt;\u5b57\u5178\u53d8\u91cf&gt; = {&lt;\u952e1&gt;:&lt;\u503c1&gt;, \u2026 , &lt;\u952en&gt;:&lt;\u503cn&gt;}\n&lt;\u503c&gt; = &lt;\u5b57\u5178\u53d8\u91cf&gt;[&lt;\u952e&gt;]\n&lt;\u5b57\u5178\u53d8\u91cf&gt;[&lt;\u952e&gt;] = &lt;\u503c&gt;<\/code><\/pre>\n<p><code>[ ]<\/code>\u7528\u6765\u5411\u5b57\u5178\u53d8\u91cf\u4e2d\u7d22\u5f15\u6216\u589e\u52a0\u5143\u7d20<\/p>\n<h2>2.4 \u5b57\u5178\u7c7b\u578b\u5b9a\u4e49\u548c\u4f7f\u7528<\/h2>\n<pre><code class=\"language-python\">d = {&quot;\u4e2d\u56fd&quot;: &quot;\u5317\u4eac&quot;, &quot;\u7f8e\u56fd&quot;: &quot;\u534e\u76db\u987f&quot;, &quot;\u6cd5\u56fd&quot;: &quot;\u5df4\u9ece&quot;}\nd\n{&#039;\u4e2d\u56fd&#039;: &#039;\u5317\u4eac&#039;, &#039;\u7f8e\u56fd&#039;: &#039;\u534e\u76db\u987f&#039;, &#039;\u6cd5\u56fd&#039;: &#039;\u5df4\u9ece&#039;}\nd[&#039;\u4e2d\u56fd&#039;]\n&#039;\u5317\u4eac&#039;\nde = {}\ntype(de)\ndict<\/code><\/pre>\n<h1>\u4e09\u3001\u5b57\u5178\u5904\u7406\u51fd\u6570\u53ca\u65b9\u6cd5<\/h1>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: center;\">\u51fd\u6570\u6216\u65b9\u6cd5<\/th>\n<th style=\"text-align: center;\">\u63cf\u8ff0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: center;\">del d[k]<\/td>\n<td style=\"text-align: center;\">\u5220\u9664\u5b57\u5178d\u4e2d\u952ek\u5bf9\u5e94\u7684\u6570\u636e\u503c<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">k in d<\/td>\n<td style=\"text-align: center;\">\u5224\u65ad\u952ek\u662f\u5426\u5728\u5b57\u5178d\u4e2d\uff0c\u5982\u679c\u5728\u8fd4\u56deTrue\uff0c\u5426\u5219False<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">d.keys()<\/td>\n<td style=\"text-align: center;\">\u8fd4\u56de\u5b57\u5178d\u4e2d\u6240\u6709\u7684\u952e\u4fe1\u606f<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">d.values()<\/td>\n<td style=\"text-align: center;\">\u8fd4\u56de\u5b57\u5178d\u4e2d\u6240\u6709\u7684\u503c\u4fe1\u606f<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">d.items()<\/td>\n<td style=\"text-align: center;\">\u8fd4\u56de\u5b57\u5178d\u4e2d\u6240\u6709\u7684\u952e\u503c\u5bf9\u4fe1\u606f<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>3.1 \u5b57\u5178\u7c7b\u578b\u64cd\u4f5c<\/h2>\n<pre><code class=\"language-python\">d = {&quot;\u4e2d\u56fd&quot;:&quot;\u5317\u4eac&quot;, &quot;\u7f8e\u56fd&quot;:&quot;\u534e\u76db\u987f&quot;, &quot;\u6cd5\u56fd&quot;:&quot;\u5df4\u9ece&quot;}\n&quot;\u4e2d\u56fd&quot; in d \nTrue\nd.keys()\ndict_keys([&#039;\u4e2d\u56fd&#039;, &#039;\u7f8e\u56fd&#039;, &#039;\u6cd5\u56fd&#039;])\nd.values()\ndict_values([&#039;\u5317\u4eac&#039;, &#039;\u534e\u76db\u987f&#039;, &#039;\u5df4\u9ece&#039;])<\/code><\/pre>\n<h2>3.2 \u5b57\u5178\u7c7b\u578b\u64cd\u4f5c\u51fd\u6570\u548c\u65b9\u6cd5<\/h2>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: center;\">\u51fd\u6570\u6216\u65b9\u6cd5<\/th>\n<th style=\"text-align: center;\">\u63cf\u8ff0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: center;\">d.get(k, )<\/td>\n<td style=\"text-align: center;\">\u952ek\u5b58\u5728\uff0c\u5219\u8fd4\u56de\u76f8\u5e94\u503c\uff0c\u4e0d\u5728\u5219\u8fd4\u56de\u503c<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">d.pop(k, )<\/td>\n<td style=\"text-align: center;\">\u952ek\u5b58\u5728\uff0c\u5219\u53d6\u51fa\u76f8\u5e94\u503c\uff0c\u4e0d\u5728\u5219\u8fd4\u56de\u503c<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">d.popitem()<\/td>\n<td style=\"text-align: center;\">\u968f\u673a\u4ece\u5b57\u5178d\u4e2d\u53d6\u51fa\u4e00\u4e2a\u952e\u503c\u5bf9\uff0c\u4ee5\u5143\u7ec4\u5f62\u5f0f\u8fd4\u56de<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">d.clear()<\/td>\n<td style=\"text-align: center;\">\u5220\u9664\u6240\u6709\u7684\u952e\u503c\u5bf9<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">len(d)<\/td>\n<td style=\"text-align: center;\">\u8fd4\u56de\u5b57\u5178d\u4e2d\u5143\u7d20\u7684\u4e2a\u6570<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<pre><code class=\"language-python\">d = {&quot;\u4e2d\u56fd&quot;:&quot;\u5317\u4eac&quot;, &quot;\u7f8e\u56fd&quot;:&quot;\u534e\u76db\u987f&quot;, &quot;\u6cd5\u56fd&quot;:&quot;\u5df4\u9ece&quot;}\nd.get(&quot;\u4e2d\u56fd&quot;,&quot;\u4f0a\u65af\u5170\u5821&quot;)\n&#039;\u5317\u4eac&#039;\nd.get(&quot;\u5df4\u57fa\u65af\u5766&quot;,&quot;\u4f0a\u65af\u5170\u5821&quot;)\n&#039;\u4f0a\u65af\u5170\u5821&#039;\nd.popitem()\n(&#039;\u6cd5\u56fd&#039;, &#039;\u5df4\u9ece&#039;)<\/code><\/pre>\n<h2>3.3 \u5b57\u5178\u529f\u80fd\u9ed8\u5199<\/h2>\n<ul>\n<li>\u5b9a\u4e49\u7a7a\u5b57\u5178d<\/li>\n<li>\u5411d\u65b0\u589e2\u4e2a\u952e\u503c\u5bf9\u5143\u7d20<\/li>\n<li>\u4fee\u6539\u7b2c2\u4e2a\u5143\u7d20<\/li>\n<li>\u5224\u65ad\u5b57\u7b26&quot;c&quot;\u662f\u5426\u662fd\u7684\u952e<\/li>\n<li>\u8ba1\u7b97d\u7684\u957f\u5ea6<\/li>\n<li>\u6e05\u7a7ad<\/li>\n<li>d = {}<\/li>\n<li>d[&quot;a&quot;] = 1; d[&quot;b&quot;] = 2 * d[&quot;b&quot;] = 3<\/li>\n<li>&quot;c&quot; in d<\/li>\n<li>len(d)<\/li>\n<li>d.clear()<\/li>\n<\/ul>\n<h1>\u56db\u3001\u5b57\u5178\u7c7b\u578b\u5e94\u7528\u573a\u666f<\/h1>\n<h2>4.1 \u6620\u5c04\u7684\u8868\u8fbe<\/h2>\n<ul>\n<li>\u6620\u5c04\u65e0\u5904\u4e0d\u5728\uff0c\u952e\u503c\u5bf9\u65e0\u5904\u4e0d\u5728<\/li>\n<li>\u4f8b\u5982\uff1a\u7edf\u8ba1\u6570\u636e\u51fa\u73b0\u7684\u6b21\u6570\uff0c\u6570\u636e\u662f\u952e\uff0c\u6b21\u6570\u662f\u503c<\/li>\n<li>\u6700\u4e3b\u8981\u4f5c\u7528\uff1a\u8868\u8fbe\u952e\u503c\u5bf9\u6570\u636e\uff0c\u8fdb\u800c\u64cd\u4f5c\u5b83\u4eec<\/li>\n<\/ul>\n<h2>4.2 \u5143\u7d20\u904d\u5386<\/h2>\n<pre><code class=\"language-python\">for k in d:\n    &lt;\u8bed\u53e5\u5757&gt;<\/code><\/pre>\n<h1>\u4e94\u3001\u5355\u5143\u5c0f\u7ed3<\/h1>\n<ul>\n<li>\u6620\u5c04\u5173\u7cfb\u91c7\u7528\u952e\u503c\u5bf9\u8868\u8fbe<\/li>\n<li>\u5b57\u5178\u7c7b\u578b\u4f7f\u7528{}\u548cdict()\u521b\u5efa\uff0c\u952e\u503c\u5bf9\u4e4b\u95f4\u7528:\u5206\u9694<\/li>\n<li>d[key] \u65b9\u5f0f\u65e2\u53ef\u4ee5\u7d22\u5f15\uff0c\u4e5f\u53ef\u4ee5\u8d4b\u503c<\/li>\n<li>\u5b57\u5178\u7c7b\u578b\u6709\u4e00\u6279\u64cd\u4f5c\u65b9\u6cd5\u548c\u51fd\u6570\uff0c\u6700\u91cd\u8981\u7684\u662f.get()<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00\u3001\u6982\u8ff0 \u5b57\u5178\u7c7b\u578b\u5b9a\u4e49 \u5b57\u5178\u5904\u7406\u51fd\u6570\u53ca\u65b9\u6cd5 \u5b57\u5178\u7c7b\u578b\u5e94\u7528\u573a\u666f \u4e8c\u3001\u5b57\u5178\u7c7b\u578b\u5b9a\u4e49 2.1 \u7406\u89e3\u201c\u6620\u5c04\u201d \u6620\u5c04\u662f\u4e00 [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":5388,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[371,377],"tags":[],"_links":{"self":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/5387"}],"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=5387"}],"version-history":[{"count":0,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/5387\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/media\/5388"}],"wp:attachment":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=5387"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=5387"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=5387"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}