?? userlist.java
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package fengyun.Fastmail.beans.admin;import java.sql.*;import java.util.*;import fengyun.Fastmail.beans.*;public class UserList { private int page = 1; private int start = 0; private int end = 0; private int pagesize = 20; private Pager pager = null; private ResultSet rs = null; public void setPage(int page) { this.page = page; } public int getPage() { return page; } public boolean isFirstPage() { return (pager.isFirstPage()); } public boolean isLastPage() { return (pager.isLastPage()); } public boolean select() { try { Mysql mysql = new Mysql(); rs = mysql.executeQuery("select count(*) from profile"); rs.next(); int total = rs.getInt(1); pager = new Pager(total,page,pagesize); start = pager.getStart(); end = pager.getEnd(); rs.close(); if (total == 0) { return false; } else { rs = mysql.executeQuery("select * from profile order by userid asc"); rs.absolute(start); mysql.close(); } } catch (Exception ex) { System.err.println("UserList.select():"); ex.printStackTrace(System.err); } return true; } public boolean next() { try { return (rs.next() && ++start<=end); } catch (Exception ex) { return false; } } public String getUserid() { try { return (rs.getString("userid")); } catch (Exception ex) { return null; } } public String getUsername() { try { return (rs.getString("Username")); } catch (Exception ex) { return null; } } public String getGender() { try { return (rs.getString("gender")); } catch (Exception ex) { return null; } } public String getBgcolor() { return ((start%2==0)?"#f3f3f3":"#ffffff"); } public boolean isValid() { return (page>0); }}?? 快捷鍵說明
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