{"id":42014,"date":"2023-07-27T12:32:56","date_gmt":"2023-11-08T10:19:31","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8macos%e4%b8%8a%e7%9a%84postgresql%e6%9d%a5%e5%90%af%e5%8a%a8jdbc\/"},"modified":"2024-04-30T15:37:53","modified_gmt":"2024-04-30T07:37:53","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8macos%e4%b8%8a%e7%9a%84postgresql%e6%9d%a5%e5%90%af%e5%8a%a8jdbc","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8macos%e4%b8%8a%e7%9a%84postgresql%e6%9d%a5%e5%90%af%e5%8a%a8jdbc\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528MacOS\u4e0a\u7684PostgreSQL\u6765\u542f\u52a8JDBC"},"content":{"rendered":"<h2>\u9996\u5148<\/h2>\n<p>\u6211\u4e4b\u524d\u6709\u673a\u4f1a\u63a5\u89e6JDBC\uff0c\u56e0\u6b64\u60f3\u5728\u4e2a\u4eba\u73af\u5883\u4e0b\u8fdb\u884c\u7ec3\u4e60\uff0c\u4ee5\u4e0b\u662f\u6211\u5b89\u88c5PostgreSQL\u7684\u6b65\u9aa4\uff0c\u4e3b\u8981\u662f\u4f5c\u4e3a\u5907\u5fd8\u5f55\u8bb0\u5f55\u4e0b\u6765\u3002<\/p>\n<h2>\u5404\u79cd\u7248\u672c\u7b49<\/h2>\n<pre class=\"post-pre\"><code>\r\n- macOS : 10.15.4\r\n- JDK : 13.0.1\r\n- PostgreSQL : 12.2\r\n- JDBC Driver : 42.4.12\r\n- \u30bf\u30fc\u30df\u30ca\u30eb : bash\r\n<\/code><\/pre>\n<h2>\u4f7f\u7528Homebrew\u5b89\u88c5PostgreSQL<\/h2>\n<ul class=\"post-ul\">Mac\u306bPostgreSQL\u3092\u5c0e\u5165\u3059\u308b\u65b9\u6cd5&amp;\u521d\u671f\u8a2d\u5b9a\u3092\u304a\u3053\u306a\u3046<\/ul>\n<p>\u6839\u636e\u4e0a\u8ff0\u6587\u7ae0\u7684\u53c2\u8003\uff0c\u5b89\u88c5PostgreSQL\u3002<br \/>\n\u4e0b\u6587\u4e2d\u7684\u7528\u6237\u548c\u5bc6\u7801\u5c06\u88ab\u63cf\u8ff0\u4e3a&#8221;postgresql&#8221;\u3002<\/p>\n<h2>\u4e0b\u8f7dPostgreSQL JDBC\u9a71\u52a8\u7a0b\u5e8f\u3002<\/h2>\n<ul class=\"post-ul\">PostgreSQL\u516c\u5f0f<\/ul>\n<p>\u8bf7\u4ece\u4e0a\u8ff0\u9875\u9762\u4e0b\u8f7dJDBC\u9a71\u52a8\u7a0b\u5e8f\u3002<\/p>\n<h2>\u5c06JDBC\u9a71\u52a8\uff08jar\u6587\u4ef6\uff09\u5b89\u88c5\u548c\u8bbe\u7f6eCLASSPATH\u3002<\/h2>\n<p>\u5982\u679c\u4f7f\u7528\u7684\u662fMacOS\uff0c\u5e76\u4e14JDK\u7684\u7248\u672c\u4f4e\u4e8e8\uff0c\u5219\u53ef\u4ee5\u5c06Java\u5916\u90e8\u5e93\uff08\u4f8b\u5982jar\u6587\u4ef6\uff09\u653e\u7f6e\u5728\/Library\/Java\/Extensions\u76ee\u5f55\u4e0b\uff0c\u8fd9\u6837\u7c7b\u52a0\u8f7d\u5668\u4f1a\u5728\u7f16\u8bd1\u65f6\u81ea\u52a8\u67e5\u627eJDBC\u7684\u7c7b\u6587\u4ef6\u3002<br \/>\n\u4f46\u662f\uff0c\u7531\u4e8e\u8fd9\u6b21\u4f7f\u7528\u7684\u662fJDK13\uff0c\u6240\u4ee5\u9700\u8981\u8bbe\u7f6eCLASSPATH\u3002<\/p>\n<h3>1. \u5b89\u88c5JDBC\u9a71\u52a8\u5668<\/h3>\n<p>\u5c06\u5df2\u4e0b\u8f7d\u7684postgresql-42.2.12.jar\u6587\u4ef6\u653e\u7f6e\u5728\/Library\/Java\/Extensions\u76ee\u5f55\u4e2d\u3002<\/p>\n<h3>2. \u8bbe\u7f6eCLASSPATH<\/h3>\n<p>\u4e3a\u4e86\u8ba9\u7c7b\u52a0\u8f7d\u5668\u5728\u7f16\u8bd1\u65f6\u54cd\u5e94\uff0c\u9700\u8981\u8bbe\u7f6e\u73af\u5883\u53d8\u91cfCLASSPATH\u3002\u6253\u5f00\u7ec8\u7aef\u5e76\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nb\">echo<\/span> <span class=\"s1\">'export CLASSPATH=.:\/Library\/Java\/Extensions\/postgresql-42.2.12.jar:$CLASSPATH'<\/span> <span class=\"o\">&gt;&gt;<\/span> .bash_profile\r\n<span class=\"nb\">source<\/span> ~\/.bash_profile\r\n<\/code><\/pre>\n<p>\u7b2c\u4e00\u884c\u662f\u5c06CLASSPATH\u5199\u5165.bash_profile\u6587\u4ef6\u3002<br \/>\n\u7b2c\u4e8c\u884c\u662f\u91cd\u65b0\u52a0\u8f7d.bash_profile\u6587\u4ef6\u3002<\/p>\n<h2>\u4f7f\u7528JDBC\u8fdb\u884c\u5bf9PostgreSQL\u7684\u8fde\u63a5\u6d4b\u8bd5\u3002<\/h2>\n<p>\u6700\u540e\uff0c\u6211\u4eec\u5c06\u8fdb\u884c\u6d4b\u8bd5\u8868\u7684\u521b\u5efa\u3001\u4e0e\u6570\u636e\u5e93\u7684\u8fde\u63a5\u4ee5\u53ca\u6570\u636e\u83b7\u53d6\u7684\u6f14\u793a\u3002<\/p>\n<h3>1. \u521b\u5efa\u6d4b\u8bd5\u7528\u8868<\/h3>\n<h4>\u521b\u5efa\u7528\u4e8e\u6d4b\u8bd5\u8868\u683c\u7684SQL\u7684\u521b\u5efa<\/h4>\n<p>\u5728\u4efb\u610f\u4f4d\u7f6e\u521b\u5efa\u4ee5\u4e0b\u6587\u4ef6\u3002<br \/>\n\u4ee5\u4e0b\u5047\u8bbe\u6211\u4eec\u521b\u5efa\u5728~\/\u684c\u9762\u4e0a\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">create<\/span> <span class=\"k\">table<\/span> <span class=\"n\">test<\/span><span class=\"p\">(<\/span>\r\n    <span class=\"n\">id<\/span> <span class=\"nb\">serial<\/span> <span class=\"k\">primary<\/span> <span class=\"k\">key<\/span><span class=\"p\">,<\/span>\r\n    <span class=\"n\">name<\/span> <span class=\"nb\">varchar<\/span><span class=\"p\">(<\/span><span class=\"mi\">255<\/span><span class=\"p\">),<\/span>\r\n    <span class=\"n\">point<\/span> <span class=\"nb\">real<\/span>\r\n<span class=\"p\">);<\/span>\r\n<span class=\"k\">insert<\/span> <span class=\"k\">into<\/span> <span class=\"n\">test<\/span><span class=\"p\">(<\/span><span class=\"n\">name<\/span><span class=\"p\">,<\/span><span class=\"n\">point<\/span><span class=\"p\">)<\/span> <span class=\"k\">values<\/span>\r\n<span class=\"p\">(<\/span><span class=\"s1\">'foo'<\/span><span class=\"p\">,<\/span> <span class=\"mi\">41<\/span><span class=\"p\">.<\/span><span class=\"mi\">2<\/span><span class=\"p\">),<\/span>\r\n<span class=\"p\">(<\/span><span class=\"s1\">'bar'<\/span><span class=\"p\">,<\/span><span class=\"mi\">55<\/span><span class=\"p\">.<\/span><span class=\"mi\">1<\/span><span class=\"p\">),<\/span>\r\n<span class=\"p\">(<\/span><span class=\"s1\">'baz'<\/span><span class=\"p\">,<\/span> <span class=\"mi\">10<\/span><span class=\"p\">.<\/span><span class=\"mi\">7<\/span><span class=\"p\">),<\/span>\r\n<span class=\"p\">(<\/span><span class=\"s1\">'qux'<\/span><span class=\"p\">,<\/span> <span class=\"mi\">98<\/span><span class=\"p\">.<\/span><span class=\"mi\">0<\/span><span class=\"p\">),<\/span>\r\n<span class=\"p\">(<\/span><span class=\"s1\">'quux'<\/span><span class=\"p\">,<\/span> <span class=\"mi\">22<\/span><span class=\"p\">.<\/span><span class=\"mi\">2<\/span><span class=\"p\">),<\/span>\r\n<span class=\"p\">(<\/span><span class=\"s1\">'foobar'<\/span><span class=\"p\">,<\/span> <span class=\"mi\">35<\/span><span class=\"p\">.<\/span><span class=\"mi\">6<\/span><span class=\"p\">);<\/span>\r\n<\/code><\/pre>\n<h4>\u5728\u4e2d\u6587\u4e2d\uff0c\u4f7f\u7528\u4ee5\u4e0b\u7684\u8868\u8fbe\u6765\u8868\u8fbe\u539f\u6587\u7684\u610f\u601d\uff1a<br \/>\n\u542f\u52a8PostgreSQL\u5e76\u521b\u5efa\u6570\u636e\u5e93\u3002<\/h4>\n<p>\u6253\u5f00\u7ec8\u7aef\u5e76\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u3002<\/p>\n<pre class=\"post-pre\"><code>brew services start postgresql\r\ncreatedb <span class=\"nb\">test\r\n<\/span>psql <span class=\"nb\">test<\/span>\r\n<\/code><\/pre>\n<h4>\u521b\u5efa\u6d4b\u8bd5\u7528\u8868\u683c<\/h4>\n<p>\u5f53PostgreSQL\u7684\u63a7\u5236\u53f0\u542f\u52a8\u540e\uff0c\u6267\u884c\u4ee5\u4e0b\u547d\u4ee4\u3002<\/p>\n<pre class=\"post-pre\"><code>\\i ~\/Desktop\/createTestTable.sql\r\n\\q\r\n<\/code><\/pre>\n<h3>2. \u901a\u8fc7JDBC\u8fde\u63a5\u5230\u6570\u636e\u5e93\u5e76\u83b7\u53d6\u6570\u636e<\/h3>\n<h4>\u521b\u5efa\u7528\u4e8e\u8c03\u7528\u7684Java\u6587\u4ef6<\/h4>\n<p>\u5728\u4efb\u4f55\u4f4d\u7f6e\u521b\u5efa\u4ee5\u4e0b\u6587\u4ef6\u3002<br \/>\n\u4ee5\u4e0b\u5047\u8bbe\u6211\u4eec\u521b\u5efa\u5728~\/Desktop\u4e0a\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"kn\">import<\/span> <span class=\"nn\">java.sql.Connection<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">java.sql.DriverManager<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">java.sql.PreparedStatement<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">java.sql.ResultSet<\/span><span class=\"o\">;<\/span>\r\n<span class=\"kn\">import<\/span> <span class=\"nn\">java.sql.SQLException<\/span><span class=\"o\">;<\/span>\r\n\r\n<span class=\"kd\">public<\/span> <span class=\"kd\">class<\/span> <span class=\"nc\">Main<\/span> <span class=\"o\">{<\/span>\r\n    <span class=\"kd\">public<\/span> <span class=\"kd\">static<\/span> <span class=\"kt\">void<\/span> <span class=\"nf\">main<\/span><span class=\"o\">(<\/span><span class=\"nc\">String<\/span><span class=\"o\">[]<\/span> <span class=\"n\">args<\/span><span class=\"o\">)<\/span> <span class=\"o\">{<\/span>\r\n        <span class=\"nc\">String<\/span> <span class=\"n\">url<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"jdbc:postgresql:\/\/localhost\/test\"<\/span><span class=\"o\">;<\/span>\r\n        <span class=\"nc\">String<\/span> <span class=\"n\">user<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"postgresql\"<\/span><span class=\"o\">;<\/span>\r\n        <span class=\"nc\">String<\/span> <span class=\"n\">password<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"postgresql\"<\/span><span class=\"o\">;<\/span>\r\n        <span class=\"nc\">String<\/span> <span class=\"n\">sql<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"select * from test\"<\/span><span class=\"o\">;<\/span>\r\n\r\n        <span class=\"k\">try<\/span><span class=\"o\">(<\/span><span class=\"nc\">Connection<\/span> <span class=\"n\">con<\/span> <span class=\"o\">=<\/span> <span class=\"nc\">DriverManager<\/span><span class=\"o\">.<\/span><span class=\"na\">getConnection<\/span><span class=\"o\">(<\/span><span class=\"n\">url<\/span><span class=\"o\">,<\/span> <span class=\"n\">user<\/span><span class=\"o\">,<\/span> <span class=\"n\">password<\/span><span class=\"o\">)){<\/span>\r\n            <span class=\"k\">try<\/span><span class=\"o\">(<\/span><span class=\"nc\">PreparedStatement<\/span> <span class=\"n\">ps<\/span> <span class=\"o\">=<\/span> <span class=\"n\">con<\/span><span class=\"o\">.<\/span><span class=\"na\">prepareStatement<\/span><span class=\"o\">(<\/span><span class=\"n\">sql<\/span><span class=\"o\">)){<\/span>\r\n                <span class=\"nc\">ResultSet<\/span> <span class=\"n\">rs<\/span> <span class=\"o\">=<\/span> <span class=\"n\">ps<\/span><span class=\"o\">.<\/span><span class=\"na\">executeQuery<\/span><span class=\"o\">();<\/span>\r\n                <span class=\"k\">while<\/span> <span class=\"o\">(<\/span><span class=\"n\">rs<\/span><span class=\"o\">.<\/span><span class=\"na\">next<\/span><span class=\"o\">()){<\/span>\r\n                    <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">print<\/span><span class=\"o\">(<\/span><span class=\"n\">rs<\/span><span class=\"o\">.<\/span><span class=\"na\">getString<\/span><span class=\"o\">(<\/span><span class=\"s\">\"name\"<\/span><span class=\"o\">));<\/span>\r\n                    <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">print<\/span><span class=\"o\">(<\/span><span class=\"s\">\" gets \"<\/span><span class=\"o\">);<\/span>\r\n                    <span class=\"nc\">System<\/span><span class=\"o\">.<\/span><span class=\"na\">out<\/span><span class=\"o\">.<\/span><span class=\"na\">println<\/span><span class=\"o\">(<\/span><span class=\"n\">rs<\/span><span class=\"o\">.<\/span><span class=\"na\">getInt<\/span><span class=\"o\">(<\/span><span class=\"s\">\"point\"<\/span><span class=\"o\">));<\/span>\r\n                <span class=\"o\">}<\/span>\r\n            <span class=\"o\">}<\/span> <span class=\"k\">catch<\/span><span class=\"o\">(<\/span><span class=\"nc\">SQLException<\/span> <span class=\"n\">e<\/span><span class=\"o\">){<\/span>\r\n                <span class=\"n\">e<\/span><span class=\"o\">.<\/span><span class=\"na\">printStackTrace<\/span><span class=\"o\">();<\/span>\r\n            <span class=\"o\">}<\/span>\r\n        <span class=\"o\">}<\/span> <span class=\"k\">catch<\/span><span class=\"o\">(<\/span><span class=\"nc\">SQLException<\/span> <span class=\"n\">e<\/span><span class=\"o\">){<\/span>\r\n            <span class=\"n\">e<\/span><span class=\"o\">.<\/span><span class=\"na\">printStackTrace<\/span><span class=\"o\">();<\/span>\r\n        <span class=\"o\">}<\/span>\r\n    <span class=\"o\">}<\/span>\r\n<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<h4>\u7f16\u8bd1\u548c\u8fd0\u884cJava\u6587\u4ef6<\/h4>\n<pre class=\"post-pre\"><code><span class=\"nb\">cd<\/span> ~\/Desktop\r\njavac Main.java\r\njava Main\r\n<\/code><\/pre>\n<h4>\u8f93\u51fa\u7684\u7ed3\u679c<\/h4>\n<pre class=\"post-pre\"><code>\r\nfoo gets 41.2\r\nbar gets 55.1\r\nbaz gets 10.7\r\nqux gets 98.0\r\nquux gets 22.2\r\nfoobar gets 35.6\r\n<\/code><\/pre>\n<h2>\u6700\u540e<\/h2>\n<p>\u5e0c\u671b\u80fd\u591f\u5e2e\u52a9\u9996\u6b21\u4f7f\u7528JDBC\u8fdb\u884c\u6570\u636e\u5e93\u8bbf\u95ee\u7684\u4eba\u3002\u5982\u679c\u6709\u9519\u8bef\uff0c\u8bf7\u6307\u51fa\u3002<\/p>\n<h2>\u6587\u732e\u5f15\u7528<\/h2>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">Mac\u306bPostgreSQL\u3092\u5c0e\u5165\u3059\u308b\u65b9\u6cd5&amp;\u521d\u671f\u8a2d\u5b9a\u3092\u304a\u3053\u306a\u3046<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30c9\u30c3\u30c8\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb &#8211; PostgreSQL\u5165\u9580<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148 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