質問編集履歴
3
login\.jspを削除、list\.jspを追加。
test
CHANGED
File without changes
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test
CHANGED
@@ -74,366 +74,312 @@
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74
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import javax.servlet.http.HttpServletResponse;
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//Servletとして必要なインターフェース・クラスをインポート//
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-
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@WebServlet(name = "MemoServlet", urlPatterns = { "/MemoServlet" })
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public class MemoServlet extends HttpServlet {
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private static final long serialVersionUID = 1L;
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private static final String JSP_BASE = "/WEB-INF/jsp/";
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private
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private Connection _pooledConnection;
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public MemoServlet() {
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_pooledConnection = null;
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}
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@Override
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public void destroy() {
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if (_pooledConnection != null) {
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try {
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_pooledConnection.close();
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} catch (SQLException e) {
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;
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}
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_pooledConnection = null;
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}
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super.destroy();
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}
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@Override
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protected void doGet(HttpServletRequest req, HttpServletResponse resp)
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throws ServletException, IOException {
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String action = req.getParameter("action");
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String forward = null;
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if("login".equals(action)) {
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forward = JSP_BASE + "login.jsp";
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}else{
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throw new ServletException("不正なリクエストです");
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}
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RequestDispatcher dispatcher = req.getRequestDispatcher(forward);
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dispatcher.forward(req, resp);
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}
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@Override
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protected void doPost(HttpServletRequest req, HttpServletResponse resp)
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throws ServletException, IOException {
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String action = req.getParameter("action");
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String forward = null;
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if ("login_action".equals(action)) {
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forward = doLoginAction(req, resp);
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} else {
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forward = doError(req, resp, "不正なリクエストです");
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}
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RequestDispatcher dispatcher = req.getRequestDispatcher(forward);
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dispatcher.forward(req, resp);
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}
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private String doLoginAction(HttpServletRequest req,
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HttpServletResponse resp) throws ServletException, IOException {
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String userID = req.getParameter("user_id");
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String password = req.getParameter("password");
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if (userID == null || password == null) {
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throw new ServletException("不正なパラメータです。");
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}
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try{
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User user = getUser(userID, password);
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if(user == null) {
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return doError(req, resp, "不正なユーザIDもしくはパラメータです。");
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}
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Memo[] memos = getMemos();
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*/
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private static final String JSP_BASE = "/WEB-INF/jsp/";
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*/
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req.setAttribute("memos", memos);
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/**
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* 構築します。
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*/
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return JSP_BASE + "list.jsp";
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}catch(SQLException e) {
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return doError(req, resp, e.getMessage());
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}
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}
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private String doError(HttpServletRequest req, HttpServletResponse resp,
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String message) throws ServletException, IOException {
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req.setAttribute("message", message);
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return JSP_BASE + "error.jsp";
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}
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private Connection getConnection()
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throws SQLException {
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if
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if(_pooledConnection != null) {
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return _pooledConnection;
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}
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try {
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Class.forName( "com.mysql.jdbc.Driver" );
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_pooledConnection = DriverManager.getConnection(
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"jdbc:mysql://localhost/memo", "root", "ky890703");
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return _pooledConnection;
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} catch (ClassNotFoundException e) {
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_pooledConnection = null;
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throw new SQLException(e);
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} catch (SQLException e) {
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_pooledConnection = null;
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throw e;
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-
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}
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}
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private User getUser(String userID, String password)
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throws SQLException {
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Statement statement = null;
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try {
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statement = getConnection().createStatement();
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ResultSet resultSet = statement
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.executeQuery("SELECT USER_ID,USER_NAME FROM USER WHERE USER_ID='"
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341
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+ userID + "' AND PASSWORD='" + password + "'");
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boolean br = resultSet.first();
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344
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345
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if (br == false) {
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347
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return null;
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143
349
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}
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144
350
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351
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User user = new User();
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352
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353
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user.setId(resultSet.getString("USER_ID"));
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user.setName(resultSet.getString("USER_NAME"));
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356
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357
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358
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return user;
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}catch(SQLException e) {
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362
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145
363
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_pooledConnection = null;
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364
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365
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+
throw e;
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|
367
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} finally {
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368
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369
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if (statement != null) {
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370
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statement.close();
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372
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373
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statement = null;
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374
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147
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}
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375
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}
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-
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149
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376
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-
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377
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}
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153
379
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}
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154
380
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155
381
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156
382
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@Override
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158
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159
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protected void doGet(HttpServletRequest req, HttpServletResponse resp)
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160
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-
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161
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throws ServletException, IOException {
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162
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-
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163
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// 要求からactionパラメータを取得
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164
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-
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165
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-
String action = req.getParameter("action");
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166
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-
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167
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-
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168
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169
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String forward = null;
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170
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-
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171
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if("login".equals(action)) {
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172
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173
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// ログイン画面の処理
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174
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-
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175
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// login.jspへフォワードする
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176
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-
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177
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forward = JSP_BASE + "login.jsp";
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178
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-
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179
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-
}else{
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180
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181
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// 不正なアクションの場合
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182
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183
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-
throw new ServletException("不正なリクエストです");
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184
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-
|
185
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-
}
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186
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-
|
187
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-
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188
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-
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189
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// JSPへのフォワード
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190
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-
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191
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RequestDispatcher dispatcher = req.getRequestDispatcher(forward);
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192
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-
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193
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dispatcher.forward(req, resp);
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194
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195
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}
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196
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197
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@Override
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198
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199
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protected void doPost(HttpServletRequest req, HttpServletResponse resp)
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200
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-
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201
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throws ServletException, IOException {
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202
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-
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203
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// 要求からactionパラメータを取得
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204
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205
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String action = req.getParameter("action");
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-
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207
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208
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209
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String forward = null;
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-
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211
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-
if ("login_action".equals(action)) {
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212
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-
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213
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// ログイン画面からの入力受付
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215
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forward = doLoginAction(req, resp);
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216
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-
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217
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} else {
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218
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219
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// 不正なアクションの場合
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220
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-
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221
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forward = doError(req, resp, "不正なリクエストです");
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222
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-
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223
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}
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224
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225
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-
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226
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227
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// JSPへのフォワード
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228
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229
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RequestDispatcher dispatcher = req.getRequestDispatcher(forward);
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230
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-
|
231
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dispatcher.forward(req, resp);
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232
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-
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233
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}
|
234
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-
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235
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-
|
236
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-
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237
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-
/**
|
238
|
-
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239
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* ログイン処理をおこないます。
|
240
|
-
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241
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-
*/
|
242
|
-
|
243
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-
private String doLoginAction(HttpServletRequest req,
|
244
|
-
|
245
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-
HttpServletResponse resp) throws ServletException, IOException {
|
246
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-
|
247
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String userID = req.getParameter("user_id");
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248
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-
|
249
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String password = req.getParameter("password");
|
250
|
-
|
251
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if (userID == null || password == null) {
|
252
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-
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253
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throw new ServletException("不正なパラメータです。");
|
254
|
-
|
255
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-
}
|
256
|
-
|
257
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-
|
258
|
-
|
259
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try{
|
260
|
-
|
261
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// ユーザを取得する
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262
|
-
|
263
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User user = getUser(userID, password);
|
264
|
-
|
265
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if(user == null) {
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266
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-
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267
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return doError(req, resp, "不正なユーザIDもしくはパラメータです。");
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268
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-
|
269
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-
}
|
270
|
-
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271
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-
|
272
|
-
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273
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// メモを取得する
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274
|
-
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275
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-
Memo[] memos = getMemos();
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276
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-
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277
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-
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278
|
-
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279
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-
// アイテムを要求オブジェクトに格納する
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280
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-
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281
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-
req.setAttribute("memos", memos);
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282
|
-
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283
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-
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284
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-
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285
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-
// 一覧を表示する
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286
|
-
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287
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-
return JSP_BASE + "list.jsp";
|
288
|
-
|
289
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-
}catch(SQLException e) {
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290
|
-
|
291
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-
return doError(req, resp, e.getMessage());
|
292
|
-
|
293
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-
}
|
294
|
-
|
295
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-
}
|
296
|
-
|
297
|
-
|
298
|
-
|
299
|
-
/**
|
300
|
-
|
301
|
-
* エラーを表示します。
|
302
|
-
|
303
|
-
*/
|
304
|
-
|
305
|
-
|
306
|
-
|
307
|
-
private String doError(HttpServletRequest req, HttpServletResponse resp,
|
308
|
-
|
309
|
-
String message) throws ServletException, IOException {
|
310
|
-
|
311
|
-
req.setAttribute("message", message);
|
312
|
-
|
313
|
-
|
314
|
-
|
315
|
-
// エラーを表示する
|
316
|
-
|
317
|
-
return JSP_BASE + "error.jsp";
|
318
|
-
|
319
|
-
}
|
320
|
-
|
321
|
-
/**
|
322
|
-
|
323
|
-
* 接続オブジェクトを生成します。
|
324
|
-
|
325
|
-
*/
|
326
|
-
|
327
|
-
private Connection getConnection()
|
328
|
-
|
329
|
-
throws SQLException {
|
330
|
-
|
331
|
-
// Connectionの準備
|
332
|
-
|
333
|
-
if(_pooledConnection != null) {
|
334
|
-
|
335
|
-
return _pooledConnection;
|
336
|
-
|
337
|
-
}
|
338
|
-
|
339
|
-
try {
|
340
|
-
|
341
|
-
|
342
|
-
|
343
|
-
Class.forName( "com.mysql.jdbc.Driver" );
|
344
|
-
|
345
|
-
|
346
|
-
|
347
|
-
|
348
|
-
|
349
|
-
_pooledConnection = DriverManager.getConnection(
|
350
|
-
|
351
|
-
"jdbc:mysql://localhost/memo", "root", "ky890703");
|
352
|
-
|
353
|
-
return _pooledConnection;
|
354
|
-
|
355
|
-
} catch (ClassNotFoundException e) {
|
356
|
-
|
357
|
-
_pooledConnection = null;
|
358
|
-
|
359
|
-
throw new SQLException(e);
|
360
|
-
|
361
|
-
} catch (SQLException e) {
|
362
|
-
|
363
|
-
_pooledConnection = null;
|
364
|
-
|
365
|
-
throw e;
|
366
|
-
|
367
|
-
}
|
368
|
-
|
369
|
-
}
|
370
|
-
|
371
|
-
|
372
|
-
|
373
|
-
/**
|
374
|
-
|
375
|
-
* ユーザを取得します。
|
376
|
-
|
377
|
-
*/
|
378
|
-
|
379
|
-
private User getUser(String userID, String password)
|
380
|
-
|
381
|
-
throws SQLException {
|
382
|
-
|
383
|
-
Statement statement = null;
|
384
|
-
|
385
|
-
try {
|
386
|
-
|
387
|
-
// SQL文を発行
|
388
|
-
|
389
|
-
statement = getConnection().createStatement();
|
390
|
-
|
391
|
-
ResultSet resultSet = statement
|
392
|
-
|
393
|
-
.executeQuery("SELECT USER_ID,USER_NAME FROM USER WHERE USER_ID='"
|
394
|
-
|
395
|
-
+ userID + "' AND PASSWORD='" + password + "'");
|
396
|
-
|
397
|
-
boolean br = resultSet.first();
|
398
|
-
|
399
|
-
if (br == false) {
|
400
|
-
|
401
|
-
return null;
|
402
|
-
|
403
|
-
}
|
404
|
-
|
405
|
-
User user = new User();
|
406
|
-
|
407
|
-
user.setId(resultSet.getString("USER_ID"));
|
408
|
-
|
409
|
-
user.setName(resultSet.getString("USER_NAME"));
|
410
|
-
|
411
|
-
|
412
|
-
|
413
|
-
return user;
|
414
|
-
|
415
|
-
}catch(SQLException e) {
|
416
|
-
|
417
|
-
_pooledConnection = null;
|
418
|
-
|
419
|
-
throw e;
|
420
|
-
|
421
|
-
} finally {
|
422
|
-
|
423
|
-
if (statement != null) {
|
424
|
-
|
425
|
-
statement.close();
|
426
|
-
|
427
|
-
statement = null;
|
428
|
-
|
429
|
-
}
|
430
|
-
|
431
|
-
}
|
432
|
-
|
433
|
-
}
|
434
|
-
|
435
|
-
|
436
|
-
|
437
383
|
一部省略
|
438
384
|
|
439
385
|
}
|
@@ -444,101 +390,223 @@
|
|
444
390
|
|
445
391
|
```html
|
446
392
|
|
447
|
-
★l
|
393
|
+
★list.jsp
|
448
394
|
|
449
395
|
|
450
396
|
|
451
397
|
<%@ page language="java" contentType="text/html; charset=utf-8" %>
|
452
398
|
|
399
|
+
<%@ page import="pack.User" %>
|
400
|
+
|
401
|
+
<%@ page import="pack.Memo" %>
|
402
|
+
|
403
|
+
<%@ page import="java.util.Calendar" %>
|
404
|
+
|
405
|
+
<%
|
406
|
+
|
407
|
+
User currentUser = (User) request.getSession().getAttribute("currentUser");
|
408
|
+
|
409
|
+
%>
|
410
|
+
|
453
411
|
<html>
|
454
412
|
|
455
413
|
<head>
|
456
414
|
|
457
415
|
<meta http-equiv="content-type" content="text/html; charset=utf-8">
|
458
416
|
|
459
|
-
<title>
|
417
|
+
<title>検索一覧</title>
|
460
418
|
|
461
419
|
<link rel="STYLESHEET" href="todo.css" type="text/css">
|
462
420
|
|
463
|
-
<script type="text/javascript" src="login.js">
|
464
|
-
|
465
|
-
</script>
|
466
|
-
|
467
421
|
</head>
|
468
422
|
|
423
|
+
<body>
|
424
|
+
|
425
|
+
<!-- 作業登録・検索 -->
|
426
|
+
|
469
|
-
<b
|
427
|
+
<table border="0" width="90%" class="toolbar">
|
470
|
-
|
428
|
+
|
471
|
-
<
|
429
|
+
<tr>
|
472
|
-
|
473
|
-
|
474
|
-
|
475
|
-
<div align="center">
|
476
|
-
|
477
|
-
<table border="0">
|
478
430
|
|
479
431
|
<form action="todo" method="post">
|
480
432
|
|
481
|
-
|
433
|
+
<input type="hidden" name="action" value="add">
|
482
|
-
|
434
|
+
|
483
|
-
<t
|
435
|
+
<td>
|
484
|
-
|
485
|
-
|
436
|
+
|
486
|
-
|
487
|
-
ID
|
488
|
-
|
489
|
-
</th>
|
490
|
-
|
491
|
-
<td class="login_field">
|
492
|
-
|
493
|
-
|
437
|
+
<input type="submit" value="作業登録">
|
494
|
-
|
495
|
-
|
438
|
+
|
496
|
-
|
497
|
-
onkeyup="fieldChanged();"
|
498
|
-
|
499
|
-
onchange="fieldChanged();">
|
500
|
-
|
501
|
-
|
439
|
+
</td>
|
502
|
-
|
503
|
-
</tr>
|
504
|
-
|
505
|
-
<tr>
|
506
|
-
|
507
|
-
<th class="login_field">
|
508
|
-
|
509
|
-
PW
|
510
|
-
|
511
|
-
</th>
|
512
|
-
|
513
|
-
<td class="login_field">
|
514
|
-
|
515
|
-
<input type="password" name="password" value=""
|
516
|
-
|
517
|
-
size="24" id="password"
|
518
|
-
|
519
|
-
onkeyup="fieldChanged();"
|
520
|
-
|
521
|
-
onchange="fieldChanged();">
|
522
|
-
|
523
|
-
</td>
|
524
|
-
|
525
|
-
</tr>
|
526
|
-
|
527
|
-
<tr>
|
528
|
-
|
529
|
-
<td colspan="2" class="login_button">
|
530
|
-
|
531
|
-
<input type="submit" value="ログイン" id="login">
|
532
|
-
|
533
|
-
</td>
|
534
|
-
|
535
|
-
</tr>
|
536
440
|
|
537
441
|
</form>
|
538
442
|
|
443
|
+
<td align="left">
|
444
|
+
|
445
|
+
<table border="0">
|
446
|
+
|
447
|
+
<tr>
|
448
|
+
|
449
|
+
<td>
|
450
|
+
|
451
|
+
タイトル
|
452
|
+
|
453
|
+
</td>
|
454
|
+
|
455
|
+
<form action="todo" method="post">
|
456
|
+
|
457
|
+
<input type="hidden" name="action" value="search">
|
458
|
+
|
459
|
+
<td>
|
460
|
+
|
461
|
+
<input type="text" name="title" value="" size="24">
|
462
|
+
|
463
|
+
</td>
|
464
|
+
|
465
|
+
</form>
|
466
|
+
|
467
|
+
</tr>
|
468
|
+
|
469
|
+
<tr>
|
470
|
+
|
471
|
+
<td>
|
472
|
+
|
473
|
+
更新日
|
474
|
+
|
475
|
+
</td>
|
476
|
+
|
477
|
+
<form action="todo" method="post">
|
478
|
+
|
479
|
+
<input type="hidden" name="action" value="search">
|
480
|
+
|
481
|
+
<td>
|
482
|
+
|
483
|
+
<input type="text" name="update_datetime" value="" size="24">
|
484
|
+
|
485
|
+
</td>
|
486
|
+
|
487
|
+
</form>
|
488
|
+
|
489
|
+
</tr>
|
490
|
+
|
491
|
+
<tr>
|
492
|
+
|
493
|
+
<td>
|
494
|
+
|
495
|
+
<input type="submit" value="検索">
|
496
|
+
|
497
|
+
</td>
|
498
|
+
|
499
|
+
</tr>
|
500
|
+
|
539
|
-
</table>
|
501
|
+
</table>
|
540
|
-
|
502
|
+
|
541
|
-
</d
|
503
|
+
</td>
|
504
|
+
|
505
|
+
</tr>
|
506
|
+
|
507
|
+
</table>
|
508
|
+
|
509
|
+
<%
|
510
|
+
|
511
|
+
Memo[] memos = (Memo[]) request.getAttribute("items");
|
512
|
+
|
513
|
+
if(memos.length == 0) {
|
514
|
+
|
515
|
+
// アイテムが存在しない場合
|
516
|
+
|
517
|
+
%>
|
518
|
+
|
519
|
+
<div align="center">検索項目はありません。</div>
|
520
|
+
|
521
|
+
<%
|
522
|
+
|
523
|
+
}else{
|
524
|
+
|
525
|
+
%>
|
526
|
+
|
527
|
+
<table border="0" width="90%" class="list">
|
528
|
+
|
529
|
+
<tr>
|
530
|
+
|
531
|
+
<th>
|
532
|
+
|
533
|
+
ID
|
534
|
+
|
535
|
+
</th>
|
536
|
+
|
537
|
+
<th>
|
538
|
+
|
539
|
+
タイトル
|
540
|
+
|
541
|
+
</th>
|
542
|
+
|
543
|
+
<th>
|
544
|
+
|
545
|
+
登録日
|
546
|
+
|
547
|
+
</th>
|
548
|
+
|
549
|
+
<th>
|
550
|
+
|
551
|
+
更新日
|
552
|
+
|
553
|
+
</th>
|
554
|
+
|
555
|
+
</tr>
|
556
|
+
|
557
|
+
一部省略
|
558
|
+
|
559
|
+
// メモを出力
|
560
|
+
|
561
|
+
for(int i = 0; i < memos.length; i ++) {
|
562
|
+
|
563
|
+
Memo memo = memos[i];
|
564
|
+
|
565
|
+
String styleAttr = "";
|
566
|
+
|
567
|
+
%>
|
568
|
+
|
569
|
+
<tr>
|
570
|
+
|
571
|
+
<td <%= styleAttr %>>
|
572
|
+
|
573
|
+
<%= memo.getId() %>
|
574
|
+
|
575
|
+
</td>
|
576
|
+
|
577
|
+
<td <%= styleAttr %>>
|
578
|
+
|
579
|
+
<%= memo.getTitle() %>
|
580
|
+
|
581
|
+
</td>
|
582
|
+
|
583
|
+
<td <%= styleAttr %>>
|
584
|
+
|
585
|
+
<%= memo.getInsertDate() %>
|
586
|
+
|
587
|
+
</td>
|
588
|
+
|
589
|
+
<td <%= styleAttr %>>
|
590
|
+
|
591
|
+
<%= memo.getUpdateDate() %>
|
592
|
+
|
593
|
+
</td>
|
594
|
+
|
595
|
+
</tr>
|
596
|
+
|
597
|
+
<%
|
598
|
+
|
599
|
+
}
|
600
|
+
|
601
|
+
%>
|
602
|
+
|
603
|
+
</table>
|
604
|
+
|
605
|
+
<%
|
606
|
+
|
607
|
+
}
|
608
|
+
|
609
|
+
%>
|
542
610
|
|
543
611
|
</body>
|
544
612
|
|
2
閉じタグを追加。
test
CHANGED
File without changes
|
test
CHANGED
@@ -36,7 +36,7 @@
|
|
36
36
|
|
37
37
|
|
38
38
|
|
39
|
-
```
|
39
|
+
```java
|
40
40
|
|
41
41
|
★MemoServlet.java
|
42
42
|
|
@@ -438,9 +438,11 @@
|
|
438
438
|
|
439
439
|
}
|
440
440
|
|
441
|
-
|
441
|
+
```
|
442
|
+
|
443
|
+
|
444
|
+
|
442
|
-
|
445
|
+
```html
|
443
|
-
|
444
446
|
|
445
447
|
★login.jsp
|
446
448
|
|
@@ -541,3 +543,5 @@
|
|
541
543
|
</body>
|
542
544
|
|
543
545
|
</html>
|
546
|
+
|
547
|
+
```
|
1
「```ここに言語を入力 」を「```Java」に修正。
test
CHANGED
File without changes
|
test
CHANGED
@@ -36,7 +36,7 @@
|
|
36
36
|
|
37
37
|
|
38
38
|
|
39
|
-
```
|
39
|
+
```Java
|
40
40
|
|
41
41
|
★MemoServlet.java
|
42
42
|
|