{"id":194527,"date":"2024-11-13T07:24:18","date_gmt":"2024-11-12T23:24:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/194527\/"},"modified":"2024-11-13T07:24:19","modified_gmt":"2024-11-12T23:24:19","slug":"%e7%94%a8java%e8%bc%95%e9%ac%86%e5%af%a6%e7%8f%be%e6%95%b8%e6%93%9a%e5%ba%ab%e6%95%b8%e6%93%9a%e5%b0%8e%e5%87%ba%e7%82%baexcel%e8%a1%a8%e6%a0%bc-java%e5%b0%8e%e5%87%ba%e6%95%b8%e6%93%9a%e5%ba%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/194527\/","title":{"rendered":"\u7528Java\u8f15\u9b06\u5be6\u73fe\u6578\u64da\u5eab\u6578\u64da\u5c0e\u51fa\u70baExcel\u8868\u683c (java\u5c0e\u51fa\u6578\u64da\u5eab\u6578\u64da\u70baexcel)"},"content":{"rendered":"<h1 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id=\"%e6%89%80%e9%9c%80%e7%9a%84%e5%ba%ab-IYlZeWiwQo\">\u6240\u9700\u7684\u5eab<\/h2>\n<p>\u5728Java\u4e2d\u5c0e\u51fa\u6578\u64da\u70baExcel\u8868\u683c\uff0c\u901a\u5e38\u4f7f\u7528Apache POI\u5eab\u3002Apache POI\u662f\u4e00\u500b\u5f37\u5927\u7684Java\u5eab\uff0c\u80fd\u5920\u8b80\u53d6\u548c\u5beb\u5165Microsoft Office\u683c\u5f0f\u7684\u6587\u4ef6\uff0c\u5305\u62ecExcel\u3002\u8981\u4f7f\u7528Apache POI\uff0c\u9996\u5148\u9700\u8981\u5728\u9805\u76ee\u4e2d\u6dfb\u52a0\u76f8\u61c9\u7684\u4f9d\u8cf4\u3002<\/p>\n<pre><code>\n&lt;dependency&gt;\n    &lt;groupId&gt;org.apache.poi&lt;\/groupId&gt;\n    &lt;artifactId&gt;poi&lt;\/artifactId&gt;\n    &lt;version&gt;5.2.3&lt;\/version&gt;\n&lt;\/dependency&gt;\n&lt;dependency&gt;\n    &lt;groupId&gt;org.apache.poi&lt;\/groupId&gt;\n    &lt;artifactId&gt;poi-ooxml&lt;\/artifactId&gt;\n    &lt;version&gt;5.2.3&lt;\/version&gt;\n&lt;\/dependency&gt;\n<\/code><\/pre>\n<h2 id=\"%e6%95%b8%e6%93%9a%e5%ba%ab%e9%80%a3%e6%8e%a5-IYlZeWiwQo\">\u6578\u64da\u5eab\u9023\u63a5<\/h2>\n<p>\u5728\u5c0e\u51fa\u6578\u64da\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u9023\u63a5\u5230\u6578\u64da\u5eab\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528JDBC\u9023\u63a5MySQL\u6578\u64da\u5eab\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nimport java.sql.Connection;\nimport java.sql.DriverManager;\nimport java.sql.ResultSet;\nimport java.sql.Statement;\n\npublic class DatabaseConnection {\n    public static Connection connect() {\n        Connection connection = null;\n        try {\n            Class.forName(\"com.mysql.cj.jdbc.Driver\");\n            connection = DriverManager.getConnection(\"jdbc:mysql:\/\/localhost:3306\/your_database\", \"username\", \"password\");\n        } catch (Exception e) {\n            e.printStackTrace();\n        }\n        return connection;\n    }\n}\n<\/code><\/pre>\n<h2 id=\"%e5%b0%8e%e5%87%ba%e6%95%b8%e6%93%9a%e7%82%baexcel-IYlZeWiwQo\">\u5c0e\u51fa\u6578\u64da\u70baExcel<\/h2>\n<p>\u4e00\u65e6\u6210\u529f\u9023\u63a5\u5230\u6578\u64da\u5eab\uff0c\u5c31\u53ef\u4ee5\u958b\u59cb\u5c0e\u51fa\u6578\u64da\u3002\u4ee5\u4e0b\u662f\u5c07\u6578\u64da\u5c0e\u51fa\u70baExcel\u7684\u5b8c\u6574\u793a\u4f8b\uff1a<\/p>\n<pre><code>\nimport org.apache.poi.ss.usermodel.*;\nimport org.apache.poi.xssf.usermodel.XSSFWorkbook;\n\nimport java.io.FileOutputStream;\nimport java.sql.Connection;\nimport java.sql.ResultSet;\nimport java.sql.Statement;\n\npublic class ExportToExcel {\n    public static void main(String[] args) {\n        Connection connection = DatabaseConnection.connect();\n        String sql = \"SELECT * FROM your_table\";\n        \n        try (Statement statement = connection.createStatement();\n             ResultSet resultSet = statement.executeQuery(sql);\n             Workbook workbook = new XSSFWorkbook()) {\n             \n            Sheet sheet = workbook.createSheet(\"Data\");\n            Row headerRow = sheet.createRow(0);\n            headerRow.createCell(0).setCellValue(\"Column1\");\n            headerRow.createCell(1).setCellValue(\"Column2\");\n            \/\/ \u6dfb\u52a0\u66f4\u591a\u5217\u6839\u64da\u9700\u8981\n            \n            int rowNum = 1;\n            while (resultSet.next()) {\n                Row row = sheet.createRow(rowNum++);\n                row.createCell(0).setCellValue(resultSet.getString(\"column1\"));\n                row.createCell(1).setCellValue(resultSet.getString(\"column2\"));\n                \/\/ \u6dfb\u52a0\u66f4\u591a\u5217\u6839\u64da\u9700\u8981\n            }\n            \n            try (FileOutputStream fileOut = new FileOutputStream(\"data.xlsx\")) {\n                workbook.write(fileOut);\n            }\n            System.out.println(\"\u6578\u64da\u6210\u529f\u5c0e\u51fa\u70baExcel\u6587\u4ef6\uff01\");\n        } catch (Exception e) {\n            e.printStackTrace();\n        }\n    }\n}\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-IYlZeWiwQo\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u4ee5\u4e0a\u6b65\u9a5f\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5730\u5c07\u6578\u64da\u5eab\u4e2d\u7684\u6578\u64da\u5c0e\u51fa\u70baExcel\u8868\u683c\u3002\u9019\u4e0d\u50c5\u63d0\u9ad8\u4e86\u6578\u64da\u7684\u53ef\u7528\u6027\uff0c\u9084\u4f7f\u5f97\u6578\u64da\u5206\u6790\u8b8a\u5f97\u66f4\u52a0\u65b9\u4fbf\u3002\u7121\u8ad6\u662f\u7528\u65bc\u5831\u544a\u9084\u662f\u6578\u64da\u5171\u4eab\uff0cExcel\u90fd\u662f\u4e00\u500b\u7406\u60f3\u7684\u9078\u64c7\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u652f\u6301\u60a8\u7684\u6578\u64da\u5eab\u61c9\u7528\uff0cServer.HK 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