{"id":11594,"date":"2023-11-28T22:27:09","date_gmt":"2023-11-28T14:27:09","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=11594"},"modified":"2023-12-11T11:26:35","modified_gmt":"2023-12-11T03:26:35","slug":"spring-duidao-de-zhi-chi","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/spring-duidao-de-zhi-chi\/","title":{"rendered":"Spring\u5bf9DAO\u7684\u652f\u6301\uff1f"},"content":{"rendered":"

Spring\u5bf9DAO\uff08Data Access Object\uff09\u7684\u652f\u6301\u4e3b\u8981\u4f53\u73b0\u5728\u5bf9\u6570\u636e\u8bbf\u95ee\u5c42\u7684\u62bd\u8c61\u548c\u7b80\u5316\u3002Spring\u63d0\u4f9b\u4e86\u4e00\u4e9b\u7279\u6027\u548c\u6a21\u5757\uff0c\u4f7f\u5f97\u5f00\u53d1\u8005\u53ef\u4ee5\u66f4\u5bb9\u6613\u5730\u8fdb\u884c\u6570\u636e\u5e93\u8bbf\u95ee\u64cd\u4f5c\uff0c\u540c\u65f6\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u53ef\u6d4b\u8bd5\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n

\u4ee5\u4e0b\u662fSpring\u5bf9DAO\u7684\u652f\u6301\u7684\u4e3b\u8981\u65b9\u9762\uff1a<\/p>\n

    \n
  1. \n\u6570\u636e\u6e90\u914d\u7f6e\uff1a<\/strong><\/p>\n
      \n
    • Spring\u5141\u8bb8\u901a\u8fc7\u914d\u7f6e\u6587\u4ef6\u6216\u6ce8\u89e3\u914d\u7f6e\u6570\u636e\u6e90\uff0c\u53ef\u4ee5\u8f7b\u677e\u5730\u5207\u6362\u548c\u7ba1\u7406\u4e0d\u540c\u7684\u6570\u636e\u5e93\u8fde\u63a5\u3002<\/li>\n<\/ul>\n<\/li>\n
    • \n\u5f02\u5e38\u5904\u7406\uff1a<\/strong><\/p>\n
        \n
      • Spring\u7684DAO\u6a21\u5757\u5bf9\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u5f02\u5e38\u8fdb\u884c\u4e86\u5c01\u88c5\uff0c\u5c06\u6570\u636e\u5e93\u5f02\u5e38\u8f6c\u6362\u4e3aSpring\u7684DataAccessException\uff0c\u7b80\u5316\u4e86\u5f02\u5e38\u5904\u7406\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u66f4\u65b9\u4fbf\u5730\u5904\u7406\u6570\u636e\u5e93\u8bbf\u95ee\u65f6\u53ef\u80fd\u53d1\u751f\u7684\u5f02\u5e38\u3002<\/li>\n<\/ul>\n<\/li>\n
      • \nJdbcTemplate\uff1a<\/strong><\/p>\n
          \n
        • JdbcTemplate<\/code>\u662fSpring\u63d0\u4f9b\u7684\u4e00\u4e2a\u7b80\u5316JDBC\u64cd\u4f5c\u7684\u6a21\u677f\u7c7b\uff0c\u5b83\u5c01\u88c5\u4e86\u4e00\u4e9b\u5e38\u89c1\u7684JDBC\u64cd\u4f5c\uff0c\u51cf\u5c11\u4e86\u6837\u677f\u4ee3\u7801\u3002\u4f7f\u7528JdbcTemplate<\/code>\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u66f4\u5bb9\u6613\u5730\u6267\u884cSQL\u67e5\u8be2\u3001\u66f4\u65b0\u548c\u6279\u5904\u7406\u64cd\u4f5c\u3002<\/li>\n<\/ul>\n
          import org.springframework.jdbc.core.JdbcTemplate;\n\npublic class MyDAO {\n    private JdbcTemplate jdbcTemplate;\n\n    public MyDAO(JdbcTemplate jdbcTemplate) {\n        this.jdbcTemplate = jdbcTemplate;\n    }\n\n    public void insertData(String data) {\n        jdbcTemplate.update("INSERT INTO my_table (column_name) VALUES (?)", data);\n    }\n}\n<\/code><\/pre>\n<\/li>\n
        • \nNamedParameterJdbcTemplate\uff1a<\/strong><\/p>\n
            \n
          • NamedParameterJdbcTemplate<\/code>\u662f\u5bf9JdbcTemplate<\/code>\u7684\u8fdb\u4e00\u6b65\u5c01\u88c5\uff0c\u5141\u8bb8\u4f7f\u7528\u547d\u540d\u53c2\u6570\u800c\u4e0d\u662f\u5360\u4f4d\u7b26\uff0c\u4f7f\u5f97SQL\u8bed\u53e5\u66f4\u52a0\u6e05\u6670\uff0c\u5e76\u4e14\u63d0\u9ad8\u4e86\u7075\u6d3b\u6027\u3002<\/li>\n<\/ul>\n
            import org.springframework.jdbc.core.namedparam.NamedParameterJdbcTemplate;\nimport org.springframework.jdbc.core.namedparam.MapSqlParameterSource;\n\npublic class MyDAO {\n    private NamedParameterJdbcTemplate namedParameterJdbcTemplate;\n\n    public MyDAO(NamedParameterJdbcTemplate namedParameterJdbcTemplate) {\n        this.namedParameterJdbcTemplate = namedParameterJdbcTemplate;\n    }\n\n    public void insertData(String data) {\n        MapSqlParameterSource parameters = new MapSqlParameterSource();\n        parameters.addValue("columnName", data);\n\n        namedParameterJdbcTemplate.update("INSERT INTO my_table (column_name) VALUES (:columnName)", parameters);\n    }\n}\n<\/code><\/pre>\n<\/li>\n
          • \nSpring Data\uff1a<\/strong><\/p>\n
              \n
            • Spring Data\u662fSpring\u63d0\u4f9b\u7684\u4e00\u4e2a\u5b50\u9879\u76ee\uff0c\u5b83\u7b80\u5316\u4e86\u6570\u636e\u8bbf\u95ee\u7684\u5f00\u53d1\uff0c\u652f\u6301\u591a\u79cd\u6570\u636e\u5b58\u50a8\uff0c\u5305\u62ec\u5173\u7cfb\u578b\u6570\u636e\u5e93\u3001NoSQL\u6570\u636e\u5e93\u7b49\u3002Spring Data\u63d0\u4f9b\u4e86\u901a\u7528\u7684\u4ed3\u50a8\uff08Repository\uff09\u63a5\u53e3\uff0c\u901a\u8fc7\u7ee7\u627f\u8be5\u63a5\u53e3\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u8f7b\u677e\u5730\u8fdb\u884c\u5e38\u89c1\u7684CRUD\u64cd\u4f5c\uff0c\u65e0\u9700\u7f16\u5199\u5177\u4f53\u7684\u6570\u636e\u8bbf\u95ee\u4ee3\u7801\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n
              \u603b\u4f53\u800c\u8a00\uff0cSpring\u901a\u8fc7\u63d0\u4f9bJdbcTemplate\u3001NamedParameterJdbcTemplate\u7b49\u5de5\u5177\u7c7b\uff0c\u4ee5\u53ca\u5bf9\u5f02\u5e38\u7684\u5904\u7406\u548c\u6570\u636e\u6e90\u7684\u914d\u7f6e\uff0c\u7b80\u5316\u4e86\u6570\u636e\u5e93\u8bbf\u95ee\u7684\u5f00\u53d1\uff0c\u540c\u65f6Spring Data\u63d0\u4f9b\u4e86\u66f4\u9ad8\u7ea7\u7684\u62bd\u8c61\uff0c\u4f7f\u5f97\u6570\u636e\u8bbf\u95ee\u66f4\u52a0\u4fbf\u6377\u3002\u5f00\u53d1\u8005\u53ef\u4ee5\u9009\u62e9\u9002\u5408\u81ea\u5df1\u9879\u76ee\u9700\u6c42\u7684\u65b9\u5f0f\u6765\u4f7f\u7528Spring\u7684DAO\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
              Spring\u5bf9DAO\uff08Data Access Object\uff09\u7684\u652f\u6301\u4e3b\u8981\u4f53\u73b0\u5728\u5bf9\u6570\u636e\u8bbf\u95ee\u5c42\u7684\u62bd\u8c61\u548c\u7b80\u5316\u3002Spri […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[121],"tags":[],"class_list":["post-11594","post","type-post","status-publish","format-standard","hentry","category-spring"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11594","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=11594"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11594\/revisions"}],"predecessor-version":[{"id":17088,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11594\/revisions\/17088"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=11594"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=11594"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=11594"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}