请大家改正servlet小程序 ，很简单的，但是我初手所以不懂
public class showMessage extends HttpServlet {
/**
*
*/
private static final long serialVersionUID = -102253422187482716L;
/**
* Constructor of the object.
*/
public showMessage() {
super();
}
/**
* Destruction of the servlet. <br>
*/
public void destroy() {
super.destroy(); // Just puts "destroy" string in log
// Put your code here
}
/**
* The doPost method of the servlet. <br>
*
* This method is called when a form has its tag value method equals to post.
*
* @param request the request send by the client to the server
* @param response the response send by the server to the client
* @throws ServletException if an error occurred
* @throws IOException if an error occurred
*/
public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
int result = 0;
String dbpath = "/WEB-INF/compay.accdb";
// --连接字符串
String url = "jdbc:odbc:DRIVER={Microsoft Access Driver (*.mdb, *.accdb)};DBQ="+ dbpath;
Connection conn = null;
try {
Class.forName("sun.jdbc.odbc.JdbcOdbcDriver");
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
try {
conn = DriverManager.getConnection(url);
} catch (SQLException e) {
e.printStackTrace();
}
Statement statement;
try {
ResultSet rs = statement.executeQuery("select * from worker");
int id = rs.getInt(1);
String name = rs.getString(2);
int phone = rs.getInt(3);
String email = rs.getString(4);
String content = rs.getString(5);
while(rs.next()){
statement = conn.createStatement();
response.setContentType("text/html;charset=utf-8");
PrintWriter out = response.getWriter();
out.println("<html>");
out.println("<head><title>display messages</title></head>");
out.println("<body>");
out.println("<a href=\"" + request.getContextPath() + "/addMessage.htm\">添加新的留言内容</a><br>");
out.println("留言内容<br><br>");
try {
while (rs.next()) {
out.println("<table width=\"600\" border=\"1\" style=\"table-layout:fixed;word-break:break-all\">");
out.println("<tr><td width=\"50\">编号</td>");
out.println("<td width=\"550\">" + id+ "</td></tr>");
out.println("<tr><td>姓名</td><td>" + name + "</td></tr>");
out.println("<tr><td>电话</td><td>" + phone + "</td></tr>");
out.println("<tr><td>email</td><td>" + email + "</td></tr>");
out.println("<tr><td valign=\"top\">主题</td><td>" + rs.getString("title") + " </td></tr>");
out.println("<tr><td valign=\"top\">内容</td>");
out.println("<td>" +content + "</td></tr>");
out.println(" </td></tr>");
out.println("</table><br>");
}
rs.close();
}
catch (Exception e){
e.printStackTrace();
}
finally {
conn.close();
}
out.println(" </body>");
out.println("</html>"); }
eclipse总是在红额</html>标签提示叫我加 } ,可是我加了还是有错，请老师们解答一下
[解决办法]
你再多家2个。
[解决办法]
你的try太多了，容易看不清，你又没排版，自己做好代码对齐就一清二楚了，习惯问题。
[解决办法]
代码删光重新写
1）注意要有缩进
2）一个方法里面代码不要太长 超过整个屏幕了就可以考虑吧一些代码在转化成方法了
[解决办法]
括号对上了，没环境调试不了，楼主自己看吧
- Java code
public class showMessage extends HttpServlet { /** * */ private static final long serialVersionUID = -102253422187482716L; /** * Constructor of the object. */ public showMessage() { super(); } /** * Destruction of the servlet. <br> */ public void destroy() { super.destroy(); // Just puts "destroy" string in log // Put your code here } /** * The doPost method of the servlet. <br> * * This method is called when a form has its tag value method equals to post. * * @param request the request send by the client to the server * @param response the response send by the server to the client * @throws ServletException if an error occurred * @throws IOException if an error occurred */ public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { int result = 0; String dbpath = "/WEB-INF/compay.accdb"; // --连接字符串 String url = "jdbc:odbc:DRIVER={Microsoft Access Driver (*.mdb, *.accdb)};DBQ="+ dbpath; Connection conn = null; try { Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); } catch (ClassNotFoundException e) { e.printStackTrace(); } try { conn = DriverManager.getConnection(url); } catch (SQLException e) { e.printStackTrace(); } Statement statement; try { ResultSet rs = statement.executeQuery("select * from worker"); int id = rs.getInt(1); String name = rs.getString(2); int phone = rs.getInt(3); String email = rs.getString(4); String content = rs.getString(5); while(rs.next()){ statement = conn.createStatement(); response.setContentType("text/html;charset=utf-8"); PrintWriter out = response.getWriter(); out.println("<html>"); out.println("<head><title>display messages</title></head>"); out.println("<body>"); out.println("<a href=\"" + request.getContextPath() + "/addMessage.htm\">添加新的留言内容</a><br>"); out.println("留言内容<br><br>"); try { while (rs.next()) { out.println("<table width=\"600\" border=\"1\" style=\"table-layout:fixed;word-break:break-all\">"); out.println("<tr><td width=\"50\">编号</td>"); out.println("<td width=\"550\">" + id+ "</td></tr>"); out.println("<tr><td>姓名</td><td>" + name + "</td></tr>"); out.println("<tr><td>电话</td><td>" + phone + "</td></tr>"); out.println("<tr><td>email</td><td>" + email + "</td></tr>"); out.println("<tr><td valign=\"top\">主题</td><td>" + rs.getString("title") + " </td></tr>"); out.println("<tr><td valign=\"top\">内容</td>"); out.println("<td>" +content + "</td></tr>"); out.println(" </td></tr>"); out.println("</table><br>"); } rs.close(); } catch (Exception e){ e.printStackTrace(); } finally { conn.close(); } out.println(" </body>"); out.println("</html>"); } } }}