{"id":2076,"date":"2024-01-08T10:55:48","date_gmt":"2024-01-08T02:55:48","guid":{"rendered":"https:\/\/sanlangcode.com\/?p=2076"},"modified":"2024-01-08T10:55:48","modified_gmt":"2024-01-08T02:55:48","slug":"opc-ua%e8%af%81%e4%b9%a6%e7%94%9f%e6%88%90%ef%bc%8c%e9%aa%8c%e8%af%81%e4%b8%8e%e7%99%bb%e5%bd%95","status":"publish","type":"post","link":"https:\/\/sanlangcode.com\/index.php\/2024\/01\/08\/opc-ua%e8%af%81%e4%b9%a6%e7%94%9f%e6%88%90%ef%bc%8c%e9%aa%8c%e8%af%81%e4%b8%8e%e7%99%bb%e5%bd%95\/","title":{"rendered":"OPC UA\u8bc1\u4e66\u751f\u6210\uff0c\u9a8c\u8bc1\u4e0e\u767b\u5f55"},"content":{"rendered":"\n<p>\u8bc1\u4e66\u767b\u5f55\u662f\u4e00\u79cd\u4f7f\u7528\u6570\u5b57\u8bc1\u4e66\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\u7684\u5b89\u5168\u673a\u5236\u3002\u5728 OPC UA \u4e2d\uff0c\u8bc1\u4e66\u901a\u5e38\u57fa\u4e8e X.509 \u6807\u51c6\uff0c\u7528\u4e8e\u786e\u4fdd\u901a\u4fe1\u7684\u5b89\u5168\u6027\u3002<\/p>\n\n\n\n<p>\u5728 OPC UA \u4e2d\uff0c\u901a\u5e38\u4f7f\u7528 TCP \u4f5c\u4e3a\u4f20\u8f93\u5c42\u534f\u8bae\uff0c\u5b83\u63d0\u4f9b\u4e86\u53ef\u9760\u7684\u3001\u9762\u5411\u8fde\u63a5\u7684\u6570\u636e\u4f20\u8f93\u3002\u8fd9\u79cd\u57fa\u4e8e TCP \u7684\u901a\u4fe1\u786e\u4fdd\u4e86\u6570\u636e\u7684\u53ef\u9760\u6027\u3001\u5b8c\u6574\u6027\u548c\u987a\u5e8f\u6027\uff0c\u975e\u5e38\u9002\u5408\u5bf9\u5b9e\u65f6\u6027\u548c\u7a33\u5b9a\u6027\u6709\u8f83\u9ad8\u8981\u6c42\u7684\u5de5\u4e1a\u81ea\u52a8\u5316\u5e94\u7528\u3002<\/p>\n\n\n\n<p>\u540c\u65f6\uff0cOPC UA \u4e5f\u53ef\u4ee5\u5728\u5e95\u5c42\u4f7f\u7528\u5176\u4ed6\u4f20\u8f93\u5c42\u534f\u8bae\uff0c\u5982 MQTT\uff08Message Queuing Telemetry Transport\uff09\u7b49\uff0c\u4ee5\u6ee1\u8db3\u4e0d\u540c\u5e94\u7528\u573a\u666f\u7684\u9700\u6c42\u3002\u4f46\u5728\u5178\u578b\u7684\u5de5\u4e1a\u81ea\u52a8\u5316\u73af\u5883\u4e2d\uff0cTCP\/IP \u662f\u6700\u5e38\u89c1\u7684\u5e95\u5c42\u901a\u4fe1\u534f\u8bae\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/th.bing.com\/th\/id\/R.aea551c750e8eff494c3c5d4be0e6cf8?rik=ewLjP2%2bkvf2kQg&amp;pid=ImgRaw&amp;r=0&amp;sres=1&amp;sresct=1\" alt=\"Scenarios\"\/><\/figure>\n\n\n\n<p>\u4e0b\u9762\u662f\u8bc1\u4e66\u767b\u5f55\u7684\u8be6\u7ec6\u4ecb\u7ecd\uff0c\u5305\u62ec\u8bc1\u4e66\u7684\u751f\u6210\u3001\u4f7f\u7528\u548c\u539f\u7406\uff1a<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. <strong>\u8bc1\u4e66\u751f\u6210\uff1a<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u6839\u8bc1\u4e66\uff08CA Certificate\uff09\uff1a<\/strong> \u9996\u5148\uff0c\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u6839\u8bc1\u4e66\uff0c\u4e5f\u79f0\u4e3a\u8bc1\u4e66\u9881\u53d1\u673a\u6784\uff08CA\uff0cCertificate Authority\uff09\u8bc1\u4e66\u3002\u8fd9\u4e2a\u8bc1\u4e66\u7528\u4e8e\u7b7e\u7f72\u5176\u4ed6\u8bc1\u4e66\uff0c\u521b\u5efa\u4fe1\u4efb\u94fe\u3002\u901a\u5e38\uff0c\u6839\u8bc1\u4e66\u662f\u7531\u53d7\u4fe1\u4efb\u7684\u7b2c\u4e09\u65b9\u673a\u6784\u7b7e\u7f72\u7684\u3002<\/li><li><strong>\u670d\u52a1\u5668\u8bc1\u4e66\uff1a<\/strong> \u670d\u52a1\u5668\u8bc1\u4e66\u5305\u542b\u670d\u52a1\u5668\u7684\u516c\u94a5\u548c\u76f8\u5173\u4fe1\u606f\u3002\u670d\u52a1\u5668\u7684\u8bc1\u4e66\u7531\u6839\u8bc1\u4e66\u7b7e\u7f72\uff0c\u4ee5\u786e\u4fdd\u5ba2\u6237\u7aef\u80fd\u591f\u9a8c\u8bc1\u670d\u52a1\u5668\u7684\u8eab\u4efd\u3002<\/li><li><strong>\u5ba2\u6237\u7aef\u8bc1\u4e66\uff1a<\/strong> \u5ba2\u6237\u7aef\u8bc1\u4e66\u7c7b\u4f3c\u4e8e\u670d\u52a1\u5668\u8bc1\u4e66\uff0c\u5305\u542b\u5ba2\u6237\u7aef\u7684\u516c\u94a5\u548c\u76f8\u5173\u4fe1\u606f\u3002\u5ba2\u6237\u7aef\u8bc1\u4e66\u7531\u6839\u8bc1\u4e66\u7b7e\u7f72\uff0c\u7528\u4e8e\u786e\u4fdd\u670d\u52a1\u5668\u80fd\u591f\u9a8c\u8bc1\u5ba2\u6237\u7aef\u7684\u8eab\u4efd\u3002<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">2. <strong>\u8bc1\u4e66\u4f7f\u7528\uff1a<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u670d\u52a1\u5668\u914d\u7f6e\uff1a<\/strong> \u5728 OPC UA \u670d\u52a1\u5668\u7aef\uff0c\u9700\u8981\u914d\u7f6e\u670d\u52a1\u5668\u4ee5\u4f7f\u7528\u8bc1\u4e66\u8fdb\u884c\u5b89\u5168\u901a\u4fe1\u3002\u8fd9\u5305\u62ec\u6307\u5b9a\u670d\u52a1\u5668\u8bc1\u4e66\u3001\u79c1\u94a5\u3001\u6839\u8bc1\u4e66\u7b49\u4fe1\u606f\u3002<\/li><li><strong>\u5ba2\u6237\u7aef\u914d\u7f6e\uff1a<\/strong> \u5728 OPC UA \u5ba2\u6237\u7aef\u7aef\uff0c\u9700\u8981\u914d\u7f6e\u5ba2\u6237\u7aef\u4ee5\u4f7f\u7528\u8bc1\u4e66\u8fdb\u884c\u5b89\u5168\u901a\u4fe1\u3002\u8fd9\u5305\u62ec\u6307\u5b9a\u5ba2\u6237\u7aef\u8bc1\u4e66\u3001\u79c1\u94a5\u3001\u6839\u8bc1\u4e66\u7b49\u4fe1\u606f\u3002<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">3. <strong>\u539f\u7406\uff1a<\/strong><\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li><strong>\u63e1\u624b\u8fc7\u7a0b\uff1a<\/strong> \u5728 OPC UA \u4e2d\uff0c\u5b89\u5168\u901a\u4fe1\u901a\u5e38\u4f7f\u7528 TLS\/SSL \u534f\u8bae\u3002\u5728\u5efa\u7acb\u8fde\u63a5\u65f6\uff0c\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u4f1a\u8fdb\u884c\u63e1\u624b\u8fc7\u7a0b\uff0c\u5176\u4e2d\u5305\u62ec\u4ea4\u6362\u8bc1\u4e66\u7684\u4fe1\u606f\u3002<\/li><li><strong>\u8bc1\u4e66\u9a8c\u8bc1\uff1a<\/strong> \u670d\u52a1\u5668\u4f7f\u7528\u5176\u8bc1\u4e66\u6765\u9a8c\u8bc1\u5ba2\u6237\u7aef\u7684\u8eab\u4efd\uff0c\u5ba2\u6237\u7aef\u4f7f\u7528\u5176\u8bc1\u4e66\u6765\u9a8c\u8bc1\u670d\u52a1\u5668\u7684\u8eab\u4efd\u3002\u9a8c\u8bc1\u7684\u8fc7\u7a0b\u5305\u62ec\u68c0\u67e5\u8bc1\u4e66\u7684\u6709\u6548\u6027\u3001\u7b7e\u540d\u7b49\u4fe1\u606f\u3002<\/li><li><strong>\u5bc6\u94a5\u534f\u5546\uff1a<\/strong> \u5728\u63e1\u624b\u8fc7\u7a0b\u4e2d\uff0c\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u4f1a\u534f\u5546\u51fa\u4e00\u4e2a\u5171\u4eab\u5bc6\u94a5\uff0c\u7528\u4e8e\u52a0\u5bc6\u548c\u89e3\u5bc6\u901a\u4fe1\u4e2d\u7684\u6570\u636e\u3002<\/li><li><strong>\u5b89\u5168\u901a\u4fe1\uff1a<\/strong> \u4e00\u65e6\u63e1\u624b\u6210\u529f\uff0c\u901a\u4fe1\u53cc\u65b9\u5c31\u53ef\u4ee5\u4f7f\u7528\u5171\u4eab\u5bc6\u94a5\u8fdb\u884c\u5b89\u5168\u901a\u4fe1\uff0c\u786e\u4fdd\u6570\u636e\u7684\u673a\u5bc6\u6027\u548c\u5b8c\u6574\u6027\u3002<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">4. <strong>\u793a\u4f8b\u4ee3\u7801\uff08C#\uff09\uff1a<\/strong><\/h3>\n\n\n\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5316\u7684\u793a\u4f8b\u4ee3\u7801\uff0c\u6f14\u793a\u4e86\u5728 OPC UA \u5ba2\u6237\u7aef\u4e2d\u4f7f\u7528 X.509 \u8bc1\u4e66\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\u7684\u8fc7\u7a0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><code>\/\/ \u6307\u5b9a\u5ba2\u6237\u7aef\u8bc1\u4e66\u7684\u6587\u4ef6\u8def\u5f84\u548c\u79c1\u94a5\u7684\u6587\u4ef6\u8def\u5f84\n<strong>var clientCertificatePath = \"path\/to\/client-certificate.pem\";\nvar clientPrivateKeyPath = \"path\/to\/client-private-key.pem\";\n\n\/\/ \u521b\u5efa X509Certificate \u5bf9\u8c61\uff0c\u8868\u793a\u5ba2\u6237\u7aef\u8bc1\u4e66\nvar clientCertificate = new X509Certificate2(clientCertificatePath);\n\n\/\/ \u5728 OPC UA \u5ba2\u6237\u7aef\u521b\u5efa\u4f1a\u8bdd\u65f6\uff0c\u4f7f\u7528 X509IdentityToken \u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\nvar userIdentity = new X509IdentityToken\n{\n    Certificate = clientCertificate\n};<\/strong>\n\n<strong>var session = await Session.Create(\n    configuration,                              \/\/ OPC UA \u5ba2\u6237\u7aef\u7684\u914d\u7f6e\u4fe1\u606f\n    new ApplicationInstance().ApplicationConfiguration,  \/\/ \u83b7\u53d6\u5e94\u7528\u7a0b\u5e8f\u7684\u914d\u7f6e\u4fe1\u606f\n    endpoint,                                   \/\/ OPC UA \u670d\u52a1\u5668\u7684\u8fde\u63a5\u7ec8\u7aef\u4fe1\u606f\n    null,                                       \/\/ \u4e0d\u4f7f\u7528\u533f\u540d\u8eab\u4efd\n    userIdentity,                               \/\/ \u4f7f\u7528\u8bc1\u4e66\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\n    null);<\/strong>                                     <strong> \/\/ \u4e0d\u4f7f\u7528\u5176\u4ed6\u8bc1\u4e66\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1<\/strong>\n<\/code><\/code><\/pre>\n\n\n\n<p>\u4e0a\u8ff0\u4ee3\u7801\u7247\u6bb5\u4e2d\uff0c<code>clientCertificate<\/code> \u662f\u5ba2\u6237\u7aef\u8bc1\u4e66\uff0c\u901a\u8fc7 <code>X509IdentityToken<\/code> \u4f20\u9012\u7ed9 OPC UA \u5ba2\u6237\u7aef\u4ee5\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\u3002<\/p>\n\n\n\n<p>\u751f\u6210\u8bc1\u4e66\u901a\u5e38\u6d89\u53ca\u5230\u4f7f\u7528\u5de5\u5177\u6216\u7f16\u7a0b\u5e93\u6765\u521b\u5efa X.509 \u8bc1\u4e66\u3002\u4e0b\u9762\u6211\u5c06\u63d0\u4f9b\u4e00\u79cd\u7b80\u5355\u7684\u65b9\u5f0f\uff0c\u4f7f\u7528 OpenSSL \u5de5\u5177\u6765\u751f\u6210\u81ea\u7b7e\u540d\u7684\u6839\u8bc1\u4e66\u4ee5\u53ca\u7528\u4e8e\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u7684\u8bc1\u4e66\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u6b65\u9aa4\uff1a<\/h3>\n\n\n\n<p><strong>1. \u5b89\u88c5 OpenSSL\uff1a<\/strong><\/p>\n\n\n\n<p>\u9996\u5148\uff0c\u786e\u4fdd\u4f60\u7684\u7cfb\u7edf\u4e0a\u5b89\u88c5\u4e86 OpenSSL \u5de5\u5177\u3002\u4f60\u53ef\u4ee5\u901a\u8fc7\u5b98\u65b9\u7f51\u7ad9\u6216\u5305\u7ba1\u7406\u5de5\u5177\u6765\u83b7\u53d6\u3002<\/p>\n\n\n\n<p><strong>2. \u751f\u6210\u6839\u8bc1\u4e66\uff08CA Certificate\uff09\uff1a<\/strong><\/p>\n\n\n\n<p>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u751f\u6210\u81ea\u7b7e\u540d\u7684\u6839\u8bc1\u4e66\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><code>openssl req -x509 -newkey rsa:2048 -keyout ca-private-key.pem -out ca-certificate.pem -days 365\n<\/code><\/code><\/pre>\n\n\n\n<p>\u8fd9\u4f1a\u751f\u6210\u4e00\u4e2a\u81ea\u7b7e\u540d\u7684\u6839\u8bc1\u4e66\u6587\u4ef6 <code>ca-certificate.pem<\/code> \u548c\u76f8\u5e94\u7684\u79c1\u94a5\u6587\u4ef6 <code>ca-private-key.pem<\/code>\u3002<\/p>\n\n\n\n<p><strong>3. \u751f\u6210\u670d\u52a1\u5668\u8bc1\u4e66\uff1a<\/strong><\/p>\n\n\n\n<p>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u751f\u6210\u670d\u52a1\u5668\u8bc1\u4e66\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><code>openssl req -newkey rsa:2048 -keyout server-private-key.pem -out server-certificate-request.pem\n<\/code><\/code><\/pre>\n\n\n\n<p>\u7136\u540e\u4f7f\u7528\u6839\u8bc1\u4e66\u7b7e\u7f72\u670d\u52a1\u5668\u8bc1\u4e66\u8bf7\u6c42\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><code>openssl x509 -req -in server-certificate-request.pem -CA ca-certificate.pem -CAkey ca-private-key.pem -CAcreateserial -out server-certificate.pem -days 365\n<\/code><\/code><\/pre>\n\n\n\n<p>\u8fd9\u4f1a\u751f\u6210\u4e00\u4e2a\u670d\u52a1\u5668\u8bc1\u4e66\u6587\u4ef6 <code>server-certificate.pem<\/code> \u548c\u76f8\u5e94\u7684\u79c1\u94a5\u6587\u4ef6 <code>server-private-key.pem<\/code>\u3002<\/p>\n\n\n\n<p><strong>4. \u751f\u6210\u5ba2\u6237\u7aef\u8bc1\u4e66\uff1a<\/strong><\/p>\n\n\n\n<p>\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u751f\u6210\u5ba2\u6237\u7aef\u8bc1\u4e66\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><code>openssl req -newkey rsa:2048 -keyout client-private-key.pem -out client-certificate-request.pem\n<\/code><\/code><\/pre>\n\n\n\n<p>\u7136\u540e\u4f7f\u7528\u6839\u8bc1\u4e66\u7b7e\u7f72\u5ba2\u6237\u7aef\u8bc1\u4e66\u8bf7\u6c42\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code><code>openssl x509 -req -in client-certificate-request.pem -CA ca-certificate.pem -CAkey ca-private-key.pem -CAcreateserial -out client-certificate.pem -days 365\n<\/code><\/code><\/pre>\n\n\n\n<p>\u8fd9\u4f1a\u751f\u6210\u4e00\u4e2a\u5ba2\u6237\u7aef\u8bc1\u4e66\u6587\u4ef6 <code>client-certificate.pem<\/code> \u548c\u76f8\u5e94\u7684\u79c1\u94a5\u6587\u4ef6 <code>client-private-key.pem<\/code>\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u8bf4\u660e\uff1a<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>\u5728\u4e0a\u8ff0\u547d\u4ee4\u4e2d\uff0c<code>-days<\/code> \u53c2\u6570\u6307\u5b9a\u8bc1\u4e66\u7684\u6709\u6548\u671f\uff0c\u53ef\u4ee5\u6839\u636e\u9700\u8981\u8fdb\u884c\u8c03\u6574\u3002<\/li><li>\u8fd9\u91cc\u751f\u6210\u7684\u8bc1\u4e66\u662f\u81ea\u7b7e\u540d\u7684\uff0c\u9002\u7528\u4e8e\u6d4b\u8bd5\u548c\u5f00\u53d1\u73af\u5883\u3002\u5728\u751f\u4ea7\u73af\u5883\u4e2d\uff0c\u4f60\u53ef\u80fd\u9700\u8981\u5411\u53d7\u4fe1\u4efb\u7684\u8bc1\u4e66\u9881\u53d1\u673a\u6784\uff08CA\uff09\u7533\u8bf7\u8bc1\u4e66\u3002<\/li><li>\u751f\u6210\u7684\u8bc1\u4e66\u6587\u4ef6\u53ef\u4ee5\u6309\u9700\u590d\u5236\u5230 OPC UA \u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u7684\u914d\u7f6e\u4e2d\uff0c\u5e76\u786e\u4fdd\u914d\u7f6e\u4e2d\u5f15\u7528\u4e86\u6b63\u786e\u7684\u8bc1\u4e66\u8def\u5f84\u548c\u6587\u4ef6\u3002<\/li><\/ul>\n\n\n\n<p>\u8bf7\u6ce8\u610f\uff0c\u8bc1\u4e66\u7684\u751f\u6210\u548c\u7ba1\u7406\u6d89\u53ca\u5230\u8bb8\u591a\u5b89\u5168\u95ee\u9898\uff0c\u56e0\u6b64\u5728\u751f\u4ea7\u73af\u5883\u4e2d\u5e94\u8be5\u7531\u4e13\u4e1a\u7684\u5b89\u5168\u4eba\u5458\u6765\u5904\u7406\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u8bc1\u4e66\u767b\u5f55\u6d41\u7a0b\uff1a\n\n- \u670d\u52a1\u5668\u7aef\u914d\u7f6e\n  - \u751f\u6210\u5bc6\u94a5\u5bf9\u548c\u8bc1\u4e66\n  - \u5411 CA \u8bf7\u6c42\u9881\u53d1\u8bc1\u4e66\n  - CA \u7b7e\u7f72\u670d\u52a1\u5668\u8bc1\u4e66\n\n- \u5ba2\u6237\u7aef\u914d\u7f6e\n  - \u751f\u6210\u5bc6\u94a5\u5bf9\u548c\u8bc1\u4e66\n  - \u5411 CA \u8bf7\u6c42\u9881\u53d1\u8bc1\u4e66\n  - CA \u7b7e\u7f72\u5ba2\u6237\u7aef\u8bc1\u4e66\n\n- \u63e1\u624b\u8fc7\u7a0b\n  - \u5ba2\u6237\u7aef\u8fde\u63a5\u670d\u52a1\u5668\uff0c\u63e1\u624b\u5f00\u59cb\n  - \u670d\u52a1\u5668\u8fd4\u56de\u8bc1\u4e66\u7ed9\u5ba2\u6237\u7aef\n\n- \u5ba2\u6237\u7aef\u9a8c\u8bc1\n  - \u5ba2\u6237\u7aef\u9a8c\u8bc1\u670d\u52a1\u5668\u8bc1\u4e66\n  - \u5ba2\u6237\u7aef\u4f7f\u7528\u6839\u8bc1\u4e66\u9a8c\u8bc1\u670d\u52a1\u5668\u8bc1\u4e66\n\n- \u670d\u52a1\u5668\u9a8c\u8bc1\n  - \u670d\u52a1\u5668\u8981\u6c42\u5ba2\u6237\u7aef\u63d0\u4f9b\u8bc1\u4e66\n  - \u5ba2\u6237\u7aef\u53d1\u9001\u8bc1\u4e66\u7ed9\u670d\u52a1\u5668\n  - \u670d\u52a1\u5668\u9a8c\u8bc1\u5ba2\u6237\u7aef\u8bc1\u4e66\n\n- \u5b89\u5168\u901a\u4fe1\n  - \u5b89\u5168\u901a\u4fe1\u901a\u9053\u5efa\u7acb<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u8bc1\u4e66\u767b\u5f55\u662f\u4e00\u79cd\u4f7f\u7528\u6570\u5b57\u8bc1\u4e66\u8fdb\u884c\u8eab&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":2037,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[41,4],"tags":[],"class_list":["post-2076","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-41","category-4"],"_links":{"self":[{"href":"https:\/\/sanlangcode.com\/index.php\/wp-json\/wp\/v2\/posts\/2076","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sanlangcode.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sanlangcode.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sanlangcode.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/sanlangcode.com\/index.php\/wp-json\/wp\/v2\/comments?post=2076"}],"version-history":[{"count":0,"href":"https:\/\/sanlangcode.com\/index.php\/wp-json\/wp\/v2\/posts\/2076\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sanlangcode.com\/index.php\/wp-json\/"}],"wp:attachment":[{"href":"https:\/\/sanlangcode.com\/index.php\/wp-json\/wp\/v2\/media?parent=2076"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sanlangcode.com\/index.php\/wp-json\/wp\/v2\/categories?post=2076"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sanlangcode.com\/index.php\/wp-json\/wp\/v2\/tags?post=2076"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}