package javadb;\r\n\r\nimport javax.swing.*;\r\nimport javax.swing.table.DefaultTableModel;\r\nimport java.sql.*;\r\n\r\npublic class DBConnectApplet extends JApplet {\r\n \/**\r\n *\r\n *\/\r\n private static final long serialVersionUID = 1L;\r\n\r\n private Connection db = null;\r\n\r\n public void init() {\r\n try {\r\n \/\/JDBC\u30c9\u30e9\u30a4\u30d0\u306e\u8aad\u307f\u8fbc\u307f\r\n Class.forName(\"com.mysql.jdbc.Driver\").newInstance();\r\n }\r\n catch (Exception e) {\r\n e.printStackTrace();\r\n }\r\n }\r\n\r\n public void start() {\r\n String sql_server = \"localhost\";\r\n String sql_user = \"hogehoge\";\r\n String sql_pass = \"fizzbuzz\";\r\n String sql_db = \"dbname\";\r\n \/\/String sql_url = \"jdbc:mysql:\/\/localhost\/\" + sql_db;\r\n String sql_url = \"jdbc:mysql:\/\/localhost\/dbname?user=hogehoge&password=fizzbuzz\";\r\n try {\r\n \/\/MySQL\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3078\u63a5\u7d9a\r\n \/\/db = DriverManager.getConnection(sql_url, sql_user, sql_pass);\r\n db = DriverManager.getConnection(sql_url);\r\n\r\n \/\/\u76ee\u7684\u306e\u30c6\u30fc\u30d6\u30eb\u3092\u64cd\u4f5c\r\n\r\n \/\/\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u53d6\u5f97\r\n Statement stmt = db.createStatement();\r\n\r\n \/\/\u30af\u30a8\u30ea\u306e\u6e96\u5099\r\n String query = \"select id, name, address, tel, fax, mail, site, station from company\";\r\n\r\n \/\/\u30af\u30a8\u30ea\u30fc\u3092\u5b9f\u884c\u3057\u3066\u7d50\u679c\u30bb\u30c3\u30c8\u3092\u53d6\u5f97\r\n ResultSet rs = stmt.executeQuery(query);\r\n\r\n \/\/\u30c6\u30fc\u30d6\u30eb\u30ab\u30e9\u30e0\u306e\u8a2d\u5b9a\r\n String[] tableColumn = { \" id\", \"name\", \"address\", \"tel\", \"fax\", \"mail\", \"site\", \"station\", };\r\n\r\n DefaultTableModel tableModel = new DefaultTableModel(tableColumn, 0);\r\n JTable table = new JTable(tableModel);\r\n\r\n \/\/\u691c\u7d22\u3055\u308c\u305f\u884c\u6570\u5206\u30eb\u30fc\u30d7\r\n while (rs.next()) {\r\n Object[] tableData = {\r\n String.format(\"%4d\", rs.getInt(\"id\")),\r\n rs.getString(\"name\"),\r\n rs.getString(\"address\"),\r\n rs.getString(\"tel\"),\r\n rs.getString(\"fax\"),\r\n rs.getString(\"mail\"),\r\n rs.getString(\"site\"),\r\n rs.getString(\"station\"),\r\n };\r\n\r\n \/\/\u30c6\u30fc\u30d6\u30eb\u30c7\u30fc\u30bf\u3092\u30c6\u30fc\u30d6\u30eb\u306b\u767b\u9332\r\n tableModel.addRow(tableData);\r\n\r\n \/\/\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u3082\u51fa\u529b\u3057\u3066\u307f\u308b\r\n System.out.printf(\"%2dt%st%st%st%st%st%st%sn\",\r\n rs.getInt(\"id\"),\r\n rs.getString(\"name\"),\r\n rs.getString(\"address\"),\r\n rs.getString(\"tel\"),\r\n rs.getString(\"fax\"),\r\n rs.getString(\"mail\"),\r\n rs.getString(\"site\"),\r\n rs.getString(\"station\")\r\n );\r\n }\r\n\r\n \/\/\u30b9\u30af\u30ed\u30fc\u30eb\u30da\u30a4\u30f3\u306b\u30c6\u30fc\u30d6\u30eb\u3092\u767b\u9332\r\n JScrollPane scroll = new JScrollPane();\r\n scroll.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);\r\n scroll.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);\r\n scroll.getViewport().add(table);\r\n\r\n \/\/\u30b9\u30af\u30ed\u30fc\u30eb\u30da\u30a4\u30f3\u3092\u30a2\u30d7\u30ec\u30c3\u30c8\u306b\u767b\u9332\r\n getContentPane().add(scroll);\r\n\r\n \/\/\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304b\u3089\u5207\u65ad\r\n stmt.close();\r\n\r\n \/\/MySQL\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3068\u306e\u63a5\u7d9a\u3092\u5207\u65ad\r\n db.close();\r\n }\r\n catch (SQLException e) {\r\n e.printStackTrace();\r\n }\r\n }\r\n}<\/code><\/pre>\n\u6b21\u306b\u3001HTML\u30d5\u30a1\u30a4\u30eb\u4e2d\u306eapplet\u30bf\u30b0\u306e\u90e8\u5206\u3092\u629c\u7c8b\u3002<\/p>\n
<applet height=\"480\" archive=\".\/mysql-connector-java-5.1.5-bin.jar\" width=\"640\" code=\"javadb.DBConnectApplet.class\"><\/applet>\r\n<\/code><\/pre>\n\u9055\u3046\u306e\u306f\u3001JDBC\u30c9\u30e9\u30a4\u30d0\u3092\u767b\u9332\u3059\u308b\u90e8\u5206\u3068\u3001\u30c7\u30fc\u30bf\u3092\u8868\u793a\u3055\u305b\u308b\u90e8\u5206\u3050\u3089\u3044\u304b\u3082\u3057\u308c\u306a\u3044\u3002JDBC\u30c9\u30e9\u30a4\u30d0\u306f\u3001Java\u30a2\u30d7\u30ec\u30c3\u30c8\u306e\u5834\u5408\u306f<applet>\u30bf\u30b0\u306b\u6307\u5b9a\u3059\u308b\u5f62\u306b\u306a\u308b\u3002\u3061\u306a\u307f\u306bJava\u30a2\u30d7\u30ec\u30c3\u30c8\u3067\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u95a2\u4fc2\u4e0a\u304b\u3089DB\u306b\u63a5\u7d9a\u3059\u308b\u3053\u3068\u306f\u307b\u3068\u3093\u3069\u7121\u3044\u6a21\u69d8\u3002\u3044\u308d\u3044\u308d\u3068\u5236\u7d04\u304c\u3042\u308b\u306e\u3067\u3001\u78ba\u304b\u306b\u4e0d\u4fbf\u304b\u3082\u3002<\/p>\n
\u30c7\u30fc\u30bf\u3092\u8868\u793a\u3055\u305b\u308b\u90e8\u5206\u306f\u3001\u30b3\u30f3\u30bd\u30fc\u30eb\u51fa\u529b\u306b\u52a0\u3048\u3066\u3001\u30a2\u30d7\u30ec\u30c3\u30c8\u306a\u306e\u3067JTable\u3092\u4f7f\u7528\u3057\u3066\u307f\u305f\u3002<\/p>\n
![](\"http:\/\/www.code-life.jp\/wp\/wp-content\/uploads\/2008\/02\/DBApplet-300x225.png\" "\\"DBApplet\\"")
<\/a><\/p>\n\u30b3\u30f3\u30bd\u30fc\u30eb\u51fa\u529b\u306e\u7d50\u679c\u306f\u3069\u3053\u3067\u78ba\u8a8d\u51fa\u6765\u308b\u304b\u3068\u3044\u3046\u3068\u3001Internet Exploler\u306e\u5834\u5408\u3060\u3068\u3001Java\u30b3\u30f3\u30bd\u30fc\u30eb\u3067\u78ba\u8a8d\u51fa\u6765\u308b\u3002<\/p>\n
![](\"http:\/\/www.code-life.jp\/wp\/wp-content\/uploads\/2008\/02\/JavaConsole-300x266.png\" "\\"JavaConsole\\"")
<\/a><\/p>\n\u8ffd\u8a18: Java\u30a2\u30d7\u30ec\u30c3\u30c8\u304b\u3089\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u63a5\u7d9a\u3059\u308b (2009\/11\/08\u8ffd\u52a0)<\/a><\/p>\n\npackage javadb;<\/p>\n
import javax.swing.*;
\nimport javax.swing.table.DefaultTableModel;
\nimport java.sql.*;<\/p>\n
public class DBConnectApplet extends JApplet {
\n\/**
\n*
\n*\/
\nprivate static final long serialVersionUID = 1L;<\/p>\n
private Connection db = null;<\/p>\n
public void init() {
\ntry {
\n\/\/JDBC\u30c9\u30e9\u30a4\u30d0\u306e\u8aad\u307f\u8fbc\u307f
\nClass.forName(“com.mysql.jdbc.Driver”).newInstance();
\n}
\ncatch (Exception e) {
\ne.printStackTrace();
\n}
\n}<\/p>\n
public void start() {
\nString sql_server = “localhost”;
\nString sql_user\u00a0\u00a0\u00a0 = “hogehoge”;
\nString sql_pass\u00a0\u00a0\u00a0 = “fizzbuzz”;
\nString sql_db\u00a0\u00a0\u00a0 = “dbname”;
\n\/\/String sql_url\u00a0\u00a0\u00a0 = “jdbc:mysql:\/\/localhost\/” + sql_db;
\nString sql_url = “jdbc:mysql:\/\/localhost\/dbname?user=hogehoge&password=fizzbuzz”;
\ntry {
\n\/\/MySQL\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3078\u63a5\u7d9a
\n\/\/db = DriverManager.getConnection(sql_url, sql_user, sql_pass);
\ndb = DriverManager.getConnection(sql_url);<\/p>\n
\/\/\u76ee\u7684\u306e\u30c6\u30fc\u30d6\u30eb\u3092\u64cd\u4f5c<\/p>\n
\/\/\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u53d6\u5f97
\nStatement stmt = db.createStatement();<\/p>\n
\/\/\u30af\u30a8\u30ea\u306e\u6e96\u5099
\nString query = “select id, name, address, tel, fax, mail, site, station from company”;<\/p>\n
\/\/\u30af\u30a8\u30ea\u30fc\u3092\u5b9f\u884c\u3057\u3066\u7d50\u679c\u30bb\u30c3\u30c8\u3092\u53d6\u5f97
\nResultSet rs = stmt.executeQuery(query);<\/p>\n
\/\/\u30c6\u30fc\u30d6\u30eb\u30ab\u30e9\u30e0\u306e\u8a2d\u5b9a
\nString[] tableColumn = {\u00a0\u00a0\u00a0 ” id”,\u00a0\u00a0\u00a0 “name”,\u00a0\u00a0\u00a0 “address”,\u00a0\u00a0\u00a0 “tel”,\u00a0\u00a0\u00a0 “fax”,\u00a0\u00a0\u00a0 “mail”,\u00a0\u00a0\u00a0 “site”,\u00a0\u00a0\u00a0 “station”,\u00a0\u00a0\u00a0 };<\/p>\n
DefaultTableModel tableModel = new DefaultTableModel(tableColumn, 0);
\nJTable table = new JTable(tableModel);<\/p>\n
\/\/\u691c\u7d22\u3055\u308c\u305f\u884c\u6570\u5206\u30eb\u30fc\u30d7
\nwhile (rs.next()) {
\nObject[] tableData = {
\nString.format(“%4d”, rs.getInt(“id”)),
\nrs.getString(“name”),
\nrs.getString(“address”),
\nrs.getString(“tel”),
\nrs.getString(“fax”),
\nrs.getString(“mail”),
\nrs.getString(“site”),
\nrs.getString(“station”),
\n};<\/p>\n
\/\/\u30c6\u30fc\u30d6\u30eb\u30c7\u30fc\u30bf\u3092\u30c6\u30fc\u30d6\u30eb\u306b\u767b\u9332
\ntableModel.addRow(tableData);<\/p>\n
\/\/\u30b3\u30f3\u30bd\u30fc\u30eb\u306b\u3082\u51fa\u529b\u3057\u3066\u307f\u308b
\nSystem.out.printf(“%2d\\t%s\\t%s\\t%s\\t%s\\t%s\\t%s\\t%s\\n”,
\nrs.getInt(“id”),
\nrs.getString(“name”),
\nrs.getString(“address”),
\nrs.getString(“tel”),
\nrs.getString(“fax”),
\nrs.getString(“mail”),
\nrs.getString(“site”),
\nrs.getString(“station”)
\n);
\n}<\/p>\n
\/\/\u30b9\u30af\u30ed\u30fc\u30eb\u30da\u30a4\u30f3\u306b\u30c6\u30fc\u30d6\u30eb\u3092\u767b\u9332
\nJScrollPane scroll = new JScrollPane();
\nscroll.setHorizontalScrollBarPolicy(JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
\nscroll.setVerticalScrollBarPolicy(JScrollPane.VERTICAL_SCROLLBAR_ALWAYS);
\nscroll.getViewport().add(table);<\/p>\n
\/\/\u30b9\u30af\u30ed\u30fc\u30eb\u30da\u30a4\u30f3\u3092\u30a2\u30d7\u30ec\u30c3\u30c8\u306b\u767b\u9332
\ngetContentPane().add(scroll);<\/p>\n
\/\/\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u304b\u3089\u5207\u65ad
\nstmt.close();<\/p>\n
\/\/MySQL\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3068\u306e\u63a5\u7d9a\u3092\u5207\u65ad
\ndb.close();
\n}
\ncatch (SQLException e) {
\ne.printStackTrace();
\n}
\n}
\n}<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
\u5e30\u5b85\u3057\u3066\u3001Java\u30a2\u30d7\u30ec\u30c3\u30c8\u304b\u3089MySQL\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u63a5\u7d9a\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30e0\u3092\u66f8\u3044\u3066\u307f\u308b\u3002\u3044\u3084\u3001\u6b63\u3057\u304f\u306f\u5148\u65e5\u4f5c\u6210\u3057\u305fJava\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3084JSP\u306e\u30bd\u30fc\u30b9\u3092\u30b3\u30d4\u30fc\u3057\u305f\u3060\u3051\u3068\u8a00\u3063\u305f\u307b\u3046\u304c\u6b63\u3057\u3044\u304b\u3082\u3002\u307e\u305a\u306fJava\u30a2\u30d7\u30ec\u30c3… \u7d9a\u304d\u3092\u8aad\u3080 Java\u30a2\u30d7\u30ec\u30c3\u30c8\u304b\u3089DB\u306b\u63a5\u7d9a<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[50,9,4],"tags":[],"_links":{"self":[{"href":"https:\/\/www.code-life.jp\/blog\/wp-json\/wp\/v2\/posts\/301"}],"collection":[{"href":"https:\/\/www.code-life.jp\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.code-life.jp\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.code-life.jp\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.code-life.jp\/blog\/wp-json\/wp\/v2\/comments?post=301"}],"version-history":[{"count":4,"href":"https:\/\/www.code-life.jp\/blog\/wp-json\/wp\/v2\/posts\/301\/revisions"}],"predecessor-version":[{"id":711,"href":"https:\/\/www.code-life.jp\/blog\/wp-json\/wp\/v2\/posts\/301\/revisions\/711"}],"wp:attachment":[{"href":"https:\/\/www.code-life.jp\/blog\/wp-json\/wp\/v2\/media?parent=301"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.code-life.jp\/blog\/wp-json\/wp\/v2\/categories?post=301"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.code-life.jp\/blog\/wp-json\/wp\/v2\/tags?post=301"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
![](\"http:\/\/www.code-life.jp\/wp\/wp-content\/uploads\/2008\/02\/DBApplet.png\" "\\"DBApplet\\"")
<\/a><\/p>\n