{"id":32492,"date":"2023-12-23T23:02:52","date_gmt":"2023-03-22T15:23:30","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8amazon-qldb-driver-nodejs%e6%9d%a5%e4%bd%bf%e7%94%a8qldb%ef%bc%88%e8%bf%9e%e6%8e%a5%e9%83%a8%e5%88%86%ef%bc%89\/"},"modified":"2024-05-04T15:04:26","modified_gmt":"2024-05-04T07:04:26","slug":"%e4%bd%bf%e7%94%a8amazon-qldb-driver-nodejs%e6%9d%a5%e4%bd%bf%e7%94%a8qldb%ef%bc%88%e8%bf%9e%e6%8e%a5%e9%83%a8%e5%88%86%ef%bc%89","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8amazon-qldb-driver-nodejs%e6%9d%a5%e4%bd%bf%e7%94%a8qldb%ef%bc%88%e8%bf%9e%e6%8e%a5%e9%83%a8%e5%88%86%ef%bc%89\/","title":{"rendered":"\u4f7f\u7528amazon-qldb-driver-nodejs\u6765\u4f7f\u7528QLDB\uff08\u8fde\u63a5\u90e8\u5206\uff09"},"content":{"rendered":"<h2>QLDB\u662f\u4ec0\u4e48\uff1f<\/h2>\n<p>https:\/\/aws.amazon.com\/jp\/qldb\/ \u662f\u7531\u4e9a\u9a6c\u900a\u63d0\u4f9b\u7684\u5168\u6258\u7ba1\u8d26\u672c\u6570\u636e\u5e93\u3002\u4e0e\u533a\u5757\u94fe\u4e0d\u540c\uff0c\u5b83\u662f\u7531\u4e2d\u5fc3\u96c6\u6743\u8fdb\u884c\u7ba1\u7406\u7684\u3002<\/p>\n<p>\u6240\u6709\u7684\u6570\u636e\u66f4\u6539\u90fd\u4f1a\u88ab\u8bb0\u5f55\u4e0b\u6765\uff0c\u5e76\u4e14\u53ef\u4ee5\u5728\u4e4b\u540e\u8fdb\u884c\u786e\u8ba4\u3002<br \/>\n\u6b64\u5916\uff0c\u8fd8\u63d0\u4f9b\u4e86\u5bf9\u66f4\u6539\u5386\u53f2\u8fdb\u884c\u52a0\u5bc6\u9a8c\u8bc1\u7684\u529f\u80fd\u3002<br \/>\nhttps:\/\/docs.aws.amazon.com\/qldb\/latest\/developerguide\/verification.html<\/p>\n<p>\u7531\u4e8e\u5728\u6267\u884c\u4ea4\u6613\u65f6\u4e0d\u9700\u8981\u7ecf\u8fc7\u7f51\u7edc\u53c2\u4e0e\u8005\u7684\u5171\u8bc6\uff0c\u56e0\u6b64\u8fd9\u79cd\u533a\u5757\u94fe\u6a21\u5f0f\u4f3c\u4e4e\u6bd4\u4f20\u7edf\u7684\u57fa\u4e8e\u4e2d\u592e\u96c6\u6743\u7684\u6846\u67b6\u62e5\u6709\u66f4\u9ad8\u7684\u541e\u5410\u91cf\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5e0c\u671b\u786e\u4fdd\u6570\u636e\u7684\u53ef\u9760\u6027\u548c\u53ef\u8ffd\u6eaf\u6027\uff0c\u4f46\u5e76\u4e0d\u9700\u8981\u5206\u6563\u5f0f\u7684\u8bdd\uff0c\u4ee5\u4e0a\u9009\u9879\u5c06\u662f\u975e\u5e38\u6709\u5438\u5f15\u529b\u7684\u9009\u62e9\u3002<\/p>\n<h2>\u5173\u4e8eamazon-qldb-driver-nodejs<\/h2>\n<p>\u76ee\u524d\uff0c\u6839\u636e\u7a0b\u5e8f\u8bbf\u95ee\u7684\u60c5\u51b5\u6765\u770b\uff0c\u4f7f\u7528Java\u7684\u9a71\u52a8\u5668\u4f3c\u4e4e\u662f\u4e3b\u6d41\u3002\u540c\u65f6\u8fd8\u63d0\u4f9b\u4e86\u9002\u7528\u4e8enode.js\u7684\u9a71\u52a8\u5668\uff0c\u6211\u4eec\u5c06\u4f7f\u7528\u8be5\u9a71\u52a8\u5668\u6765\u4ece\u7a0b\u5e8f\u8fde\u63a5\u5230QLDB\uff01\u8bf7\u6ce8\u610f\uff0c\u76ee\u524d\u4ecd\u5904\u4e8e\u9884\u89c8\u72b6\u6001\uff0c\u4e0d\u5efa\u8bae\u7528\u4e8e\u751f\u4ea7\u73af\u5883\uff0c\u656c\u8bf7\u7559\u610f\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">https:\/\/docs.aws.amazon.com\/ja_jp\/qldb\/latest\/developerguide\/getting-started.nodejs.html<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">https:\/\/github.com\/awslabs\/amazon-qldb-driver-nodejs<\/ul>\n<h2>\u524d\u63d0 t\u00ed)<\/h2>\n<p>\u8fd9\u4e2a\u6837\u672c\u5047\u8bbe\u5df2\u7ecf\u5728AWS\u63a7\u5236\u53f0\u4e0a\u521b\u5efa\u4e86\u8d26\u672c\u548c\u4e00\u4e9b\u8868\u683c\u3002<\/p>\n<p>\u5728\u6211\u7684\u73af\u5883\u4e2d\uff0c\u6211\u4f7f\u7528\u4e86\u4ee5\u4e0b\u6559\u7a0b\u4e2d\u6ce8\u518c\u7684\u6570\u636e\u8fdb\u884c\u4e86\u64cd\u4f5c\u786e\u8ba4\u3002<br \/>\nhttps:\/\/docs.aws.amazon.com\/ja_jp\/qldb\/latest\/developerguide\/getting-started.html<\/p>\n<p>\u6559\u7a0b\u53ef\u4ee5\u53c2\u8003\u4ee5\u4e0b\u6587\u7ae0\uff1a<br \/>\nhttps:\/\/qiita.com\/yanyansk\/items\/586b7f1c86eca4352b44<\/p>\n<h2>\u521b\u5efaIAM\u7528\u6237\u7684\u8bbf\u95ee\u5bc6\u94a5<\/h2>\n<p>\u5728\u5b9e\u65bd\u4e4b\u524d\uff0c\u9700\u8981\u521b\u5efa\u7528\u4e8e\u8bbf\u95eeQLDB\u7684\u8ba4\u8bc1\u4fe1\u606f\u3002<br \/>\n\u8bf7\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u751f\u6210\u8bbf\u95ee\u5bc6\u94a5\u3002<\/p>\n<p>\u8bf7\u4ece\u670d\u52a1&gt; IAM&gt; \u7528\u6237\u4e2d\u9009\u62e9\u6dfb\u52a0\u7528\u6237\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d128237434c4406bf66c0\/15-0.png\" alt=\"iam_1.png\" \/><\/div>\n<p>\u8bf7\u968f\u610f\u8f93\u5165\u7528\u6237\u540d\u3002\u8bf7\u52fe\u9009\u201c\u901a\u8fc7\u7a0b\u5e8f\u8bbf\u95ee\u201d\u9009\u9879\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d128237434c4406bf66c0\/17-0.png\" alt=\"iam2.png\" \/><\/div>\n<p>\u7531\u4e8e\u4e00\u65e6\u53ea\u662f\u7528\u4e8e\u6d4b\u8bd5\uff0c\u6240\u4ee5\u65e0\u9700\u521b\u5efa\u7528\u6237\u7ec4\u7b49\uff0c\u76f4\u63a5\u9644\u52a0\u7b56\u7565\u5373\u53ef\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d128237434c4406bf66c0\/19-0.png\" alt=\"iam3.png\" \/><\/div>\n<p>\u4e0d\u9700\u8981\u7279\u5b9a\u7684\u6807\u7b7e\u7b49\uff0c\u8bf7\u5b8c\u6210\u7528\u6237\u7684\u521b\u5efa\u3002<br \/>\n\u8bf7\u8bb0\u4e0b\u5728\u521b\u5efa\u5b8c\u6210\u9875\u9762\u4e0a\u663e\u793a\u7684\u201c\u8bbf\u95ee\u5bc6\u94a5ID\u201d\u548c\u201c\u79d8\u5bc6\u8bbf\u95ee\u5bc6\u94a5\u201d\u3002<br \/>\n\u5728\u4f7f\u7528\u9a71\u52a8\u7a0b\u5e8f\u8bbf\u95eeQLDB\u65f6\uff0c\u5c06\u4f7f\u7528\u6b64\u4fe1\u606f\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\u3002<\/p>\n<div><img decoding=\"async\" class=\"post-images\" title=\"\" src=\"https:\/\/cdn.silicloud.com\/blog-img\/blog\/img\/657d128237434c4406bf66c0\/21-0.png\" alt=\"iam4.png\" \/><\/div>\n<h2>\u5b9e\u65bd<\/h2>\n<h3>\u9a71\u52a8\u7a0b\u5e8f\u548c\u6240\u9700\u6a21\u5757\u7684\u5b89\u88c5<\/h3>\n<pre class=\"post-pre\"><code>npm i amazon-qldb-driver-nodejs aws-sdk ion-js typescript\r\n<\/code><\/pre>\n<h3>\u8bc1\u4e66\u4fe1\u606f\u7684\u7f16\u8f91<\/h3>\n<p>\u8bf7\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a\u300ccredentials.json\u300d\u7684\u6587\u4ef6\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"p\">{<\/span>\r\n  <span class=\"nl\">\"accessKeyId\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"${\u4f5c\u6210\u3057\u305f\u30a2\u30af\u30bb\u30b9\u30ad\u30fcID}\"<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"nl\">\"secretAccessKey\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"${\u4f5c\u6210\u3057\u305f\u30b7\u30fc\u30af\u30ec\u30c3\u30c8\u30a2\u30af\u30bb\u30b9\u30ad\u30fc}\"<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u8a8d\u8b49\u90e8\u5206\u7684\u5be6\u4f5c<\/h3>\n<h4>\u8a2d\u5b9a\u8a8d\u8b49\u8cc7\u8a0a<\/h4>\n<p>\u4f7f\u7528\u521b\u5efa\u7684\u51ed\u8bc1\u7684JSON\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">const<\/span> <span class=\"nx\">AWS<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">require<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">aws-sdk<\/span><span class=\"dl\">\"<\/span><span class=\"p\">);<\/span>\r\n<span class=\"nx\">AWS<\/span><span class=\"p\">.<\/span><span class=\"nx\">config<\/span><span class=\"p\">.<\/span><span class=\"nx\">loadFromPath<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">.\/credentials.json<\/span><span class=\"dl\">\"<\/span><span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<h4>\u786e\u8ba4\u8bc1\u4e66<\/h4>\n<p>\u4e3a\u4e86\u4fbf\u4e8e\u8c03\u8bd5\uff0c\u5c06\u6dfb\u52a0\u4e00\u4e2a\u51fd\u6570\u6765\u9a8c\u8bc1Credential\u662f\u5426\u5df2\u6b63\u786e\u8bbe\u7f6e\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kd\">function<\/span> <span class=\"nx\">checkCredential<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"k\">return<\/span> <span class=\"k\">new<\/span> <span class=\"nb\">Promise<\/span><span class=\"p\">((<\/span><span class=\"nx\">resolve<\/span><span class=\"p\">,<\/span> <span class=\"nx\">reject<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nx\">AWS<\/span><span class=\"p\">.<\/span><span class=\"nx\">config<\/span><span class=\"p\">.<\/span><span class=\"nx\">getCredentials<\/span><span class=\"p\">(<\/span><span class=\"kd\">function<\/span> <span class=\"p\">(<\/span><span class=\"na\">err<\/span><span class=\"p\">:<\/span> <span class=\"nb\">Error<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"nx\">err<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"nx\">reject<\/span><span class=\"p\">(<\/span><span class=\"nx\">err<\/span><span class=\"p\">);<\/span>\r\n      <span class=\"p\">}<\/span>\r\n      <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">log<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">Access key:<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span> <span class=\"nx\">AWS<\/span><span class=\"p\">.<\/span><span class=\"nx\">config<\/span><span class=\"p\">.<\/span><span class=\"nx\">credentials<\/span><span class=\"p\">.<\/span><span class=\"nx\">accessKeyId<\/span><span class=\"p\">);<\/span>\r\n      <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">log<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">Secret access key:<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span> <span class=\"nx\">AWS<\/span><span class=\"p\">.<\/span><span class=\"nx\">config<\/span><span class=\"p\">.<\/span><span class=\"nx\">credentials<\/span><span class=\"p\">.<\/span><span class=\"nx\">secretAccessKey<\/span><span class=\"p\">);<\/span>\r\n      <span class=\"nx\">resolve<\/span><span class=\"p\">();<\/span>\r\n    <span class=\"p\">});<\/span>\r\n  <span class=\"p\">})<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h3>\u4e3b\u6d41\u7684\u5b9e\u65bd\u65b9\u5f0f<\/h3>\n<p>\u6211\u5011\u5c07\u958b\u59cb\u5be6\u73fe\u4e3b\u8981\u90e8\u5206\u3002<\/p>\n<h4>\u521b\u5efa\u4f1a\u8bdd<\/h4>\n<p>\u8bf7\u5728 region \u4e2d\u8bbe\u7f6e\u521b\u5efa QLDB \u7684\u533a\u57df\u3002<br \/>\n\u8bf7\u5728 PooledQldbDriver \u7684\u7b2c\u4e00\u4e2a\u53c2\u6570\u4e2d\u6307\u5b9a\u6240\u521b\u5efa\u8d26\u672c\u7684\u540d\u79f0\u3002<\/p>\n<pre class=\"post-pre\"><code>  <span class=\"kd\">const<\/span> <span class=\"nx\">testServiceConfigOptions<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"na\">region<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">{QLDB\u3092\u4f5c\u6210\u3057\u305f\u30ea\u30fc\u30b8\u30e7\u30f3}<\/span><span class=\"dl\">\"<\/span>\r\n  <span class=\"p\">};<\/span>\r\n  <span class=\"kd\">const<\/span> <span class=\"nx\">qldbDriver<\/span><span class=\"p\">:<\/span> <span class=\"nx\">PooledQldbDriver<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nx\">PooledQldbDriver<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">{\u4f5c\u6210\u3057\u305f\u53f0\u5e33\u306e\u540d\u524d}<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span> <span class=\"nx\">testServiceConfigOptions<\/span><span class=\"p\">);<\/span>\r\n  <span class=\"kd\">const<\/span> <span class=\"nx\">qldbSession<\/span><span class=\"p\">:<\/span> <span class=\"nx\">QldbSession<\/span> <span class=\"o\">=<\/span> <span class=\"k\">await<\/span> <span class=\"nx\">qldbDriver<\/span><span class=\"p\">.<\/span><span class=\"nx\">getSession<\/span><span class=\"p\">();<\/span>\r\n<\/code><\/pre>\n<h4>\u786e\u8ba4\u53f0\u8d26\u4e0a\u7684\u684c\u5b50<\/h4>\n<pre class=\"post-pre\"><code>  <span class=\"k\">for<\/span> <span class=\"p\">(<\/span><span class=\"kd\">const<\/span> <span class=\"nx\">table<\/span> <span class=\"k\">of<\/span> <span class=\"k\">await<\/span> <span class=\"nx\">qldbSession<\/span><span class=\"p\">.<\/span><span class=\"nx\">getTableNames<\/span><span class=\"p\">())<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">log<\/span><span class=\"p\">(<\/span><span class=\"nx\">table<\/span><span class=\"p\">);<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<h2>\u786e\u8ba4\u884c\u52a8<\/h2>\n<p>\u6211\u4f1a\u5c1d\u8bd5\u8fd0\u884c\u4e0b\u9762\u7ed9\u51fa\u7684\u5b8c\u6574\u4ee3\u7801\uff0c\u5e76\u8fdb\u884c\u64cd\u4f5c\u786e\u8ba4\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">import<\/span> <span class=\"p\">{<\/span> <span class=\"nx\">PooledQldbDriver<\/span><span class=\"p\">,<\/span> <span class=\"nx\">QldbSession<\/span> <span class=\"p\">}<\/span> <span class=\"k\">from<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">amazon-qldb-driver-nodejs<\/span><span class=\"dl\">\"<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"kd\">const<\/span> <span class=\"nx\">AWS<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">require<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">aws-sdk<\/span><span class=\"dl\">\"<\/span><span class=\"p\">);<\/span>\r\n<span class=\"nx\">AWS<\/span><span class=\"p\">.<\/span><span class=\"nx\">config<\/span><span class=\"p\">.<\/span><span class=\"nx\">loadFromPath<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">.\/credentials.json<\/span><span class=\"dl\">\"<\/span><span class=\"p\">);<\/span>\r\n\r\n<span class=\"p\">(<\/span><span class=\"k\">async<\/span> <span class=\"p\">()<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n\r\n  <span class=\"k\">await<\/span> <span class=\"nx\">checkCredential<\/span><span class=\"p\">();<\/span>\r\n\r\n  <span class=\"kd\">const<\/span> <span class=\"nx\">testServiceConfigOptions<\/span> <span class=\"o\">=<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"na\">region<\/span><span class=\"p\">:<\/span> <span class=\"dl\">\"<\/span><span class=\"s2\">{QLDB\u3092\u4f5c\u6210\u3057\u305f\u30ea\u30fc\u30b8\u30e7\u30f3}<\/span><span class=\"dl\">\"<\/span>\r\n  <span class=\"p\">};<\/span>\r\n  <span class=\"kd\">const<\/span> <span class=\"na\">qldbDriver<\/span><span class=\"p\">:<\/span> <span class=\"nx\">PooledQldbDriver<\/span> <span class=\"o\">=<\/span> <span class=\"k\">new<\/span> <span class=\"nx\">PooledQldbDriver<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">{\u4f5c\u6210\u3057\u305f\u53f0\u5e33\u306e\u540d\u524d}<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span> <span class=\"nx\">testServiceConfigOptions<\/span><span class=\"p\">);<\/span>\r\n  <span class=\"kd\">const<\/span> <span class=\"na\">qldbSession<\/span><span class=\"p\">:<\/span> <span class=\"nx\">QldbSession<\/span> <span class=\"o\">=<\/span> <span class=\"k\">await<\/span> <span class=\"nx\">qldbDriver<\/span><span class=\"p\">.<\/span><span class=\"nx\">getSession<\/span><span class=\"p\">();<\/span>\r\n  <span class=\"k\">for<\/span> <span class=\"p\">(<\/span><span class=\"kd\">const<\/span> <span class=\"nx\">table<\/span> <span class=\"k\">of<\/span> <span class=\"k\">await<\/span> <span class=\"nx\">qldbSession<\/span><span class=\"p\">.<\/span><span class=\"nx\">getTableNames<\/span><span class=\"p\">())<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">log<\/span><span class=\"p\">(<\/span><span class=\"nx\">table<\/span><span class=\"p\">);<\/span>\r\n  <span class=\"p\">}<\/span>\r\n<span class=\"p\">})().<\/span><span class=\"k\">catch<\/span><span class=\"p\">(<\/span><span class=\"nx\">err<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">error<\/span><span class=\"p\">(<\/span><span class=\"nx\">err<\/span><span class=\"p\">);<\/span>\r\n<span class=\"p\">});<\/span>\r\n\r\n<span class=\"kd\">function<\/span> <span class=\"nx\">checkCredential<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n  <span class=\"k\">return<\/span> <span class=\"k\">new<\/span> <span class=\"nb\">Promise<\/span><span class=\"p\">((<\/span><span class=\"nx\">resolve<\/span><span class=\"p\">,<\/span> <span class=\"nx\">reject<\/span><span class=\"p\">)<\/span> <span class=\"o\">=&gt;<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nx\">AWS<\/span><span class=\"p\">.<\/span><span class=\"nx\">config<\/span><span class=\"p\">.<\/span><span class=\"nx\">getCredentials<\/span><span class=\"p\">(<\/span><span class=\"kd\">function<\/span> <span class=\"p\">(<\/span><span class=\"na\">err<\/span><span class=\"p\">:<\/span> <span class=\"nb\">Error<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"k\">if<\/span> <span class=\"p\">(<\/span><span class=\"nx\">err<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"k\">return<\/span> <span class=\"nx\">reject<\/span><span class=\"p\">(<\/span><span class=\"nx\">err<\/span><span class=\"p\">);<\/span>\r\n      <span class=\"p\">}<\/span>\r\n      <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">log<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">Access key:<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span> <span class=\"nx\">AWS<\/span><span class=\"p\">.<\/span><span class=\"nx\">config<\/span><span class=\"p\">.<\/span><span class=\"nx\">credentials<\/span><span class=\"p\">.<\/span><span class=\"nx\">accessKeyId<\/span><span class=\"p\">);<\/span>\r\n      <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"nx\">log<\/span><span class=\"p\">(<\/span><span class=\"dl\">\"<\/span><span class=\"s2\">Secret access key:<\/span><span class=\"dl\">\"<\/span><span class=\"p\">,<\/span> <span class=\"nx\">AWS<\/span><span class=\"p\">.<\/span><span class=\"nx\">config<\/span><span class=\"p\">.<\/span><span class=\"nx\">credentials<\/span><span class=\"p\">.<\/span><span class=\"nx\">secretAccessKey<\/span><span class=\"p\">);<\/span>\r\n      <span class=\"nx\">resolve<\/span><span class=\"p\">();<\/span>\r\n    <span class=\"p\">});<\/span>\r\n  <span class=\"p\">})<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>npx tsc main.ts\r\n<span class=\"nv\">$ <\/span>node main.js\r\n\r\nAccess key: xxxxxxxxxxxxxxxxxx\r\nSecret access key: xxxxxxxxxxxxxxxxxx\r\nVehicleRegistration\r\nDriversLicense\r\nVehicle\r\nPerson\r\n<\/code><\/pre>\n<p>\u7121\u4e8b\u53f0\u5e33\u4e0a\u7684\u684c\u5b50\u540d\u88ab\u663e\u793a\u51fa\u6765\u4e86\uff01\u4e0b\u6b21\u6211\u60f3\u5199\u5173\u4e8e\u641c\u7d22\u548c\u6570\u636e\u6ce8\u518c\u7684\u4e8b\u60c5\uff01<\/p>\n<h2>\u6700\u540e<\/h2>\n<p>\u5728ZEROBILLBANK\uff0c\u6211\u4eec\u6b63\u5728\u62db\u52df\u4e00\u8d77\u5de5\u4f5c\u7684\u4f19\u4f34\u3002<br \/>\n\u96f6\u8d26\u5355\u94f6\u884c\u65e5\u672c\u516c\u53f8\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>QLDB\u662f\u4ec0\u4e48\uff1f https:\/\/aws.amazon.com\/jp\/qldb\/ \u662f\u7531\u4e9a\u9a6c\u900a\u63d0\u4f9b\u7684\u5168\u6258\u7ba1\u8d26\u672c\u6570 [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-32492","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u4f7f\u7528amazon-qldb-driver-nodejs\u6765\u4f7f\u7528QLDB\uff08\u8fde\u63a5\u90e8\u5206\uff09 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, 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