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UsergroupModAction.java~47~：源码内容
							package officeol.mc.actions;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionForm;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.Action;
import officeol.mc.tools.*;
public class UsergroupModAction extends Action {
    public ActionForward execute(ActionMapping mapping, ActionForm form,
                                 HttpServletRequest request,
                                 HttpServletResponse response) {
        try {
            request.setCharacterEncoding("GBK");
            String ugmd5 = request.getParameter("ugmd5");
            String dep = request.getParameter("dep");
            int len = Integer.parseInt(request.getParameter("ulen"));
            String ug[] = new String[len];
            for (int i = 0; i < len; i++) {
                ug[i] = request.getParameter("user" + i);
            }
            if (ugmd5 != null && !ugmd5.equals("")) {
                String ysql = "select ug.usergroup,ug.depid,u.id from usergroup as ug inner join [user] as u on ug.userid = u.id inner join deparment as d on ug.depid = d.id where ugmd5 = '" +
                              ugmd5 + "' ";
                DBConn dbc = new DBConn();
                String[][] yug = dbc.getArray(ysql);
                if (!yug[0][1].equals(dep)) {
                    String depusql =
                            "update usergroup set depid = "+dep+" where ugmd5 = '" +
                            ugmd5 + "' ";
                    System.out.println(depusql);
                    //dbc.executeUpdate(depusql);
                    //更新用户组所属部门
                }
                int length = 0;
                if (len <= yug.length) {
                    length = yug.length;
                } else {
                    length = len;
                }
                //比较获取相同的UserID
                String[] same = new String[length];
                int k = 0;
                for (int i = 0; i < ug.length; i++) {
                    for (int j = 0; j < yug.length; j++) {
                        if (ug[i] != null && !ug[i].equals("")) {
                            if (ug[i].equals(yug[j][2])) {
                                same[k] = ug[i];
                                //System.out.println("same: "+same[k]);
                                k++;
                                continue;
                            }
                        }
                    }
                }
                int l = 0;
                int h = 0;
                for (int i = 0; i < ug.length; i++) {
                    //得出应该向数据库添加的
                    String tempsql1 = "";
                    for (int j = l; j < same.length; j++) {
                        h = l;
                        if (same[j] != null && ug[i] != null) {
                            if (same[j].equals(ug[i])) {
                                l++;
                                break;
                            } else {
                                tempsql1 = "insert into usergroup (usergroup,userid,depid,ugmd5) values('"+
                                         yug[0][0]+"',"+ug[i]+",'"+dep+"','"+ugmd5+"')";
                                System.out.println(tempsql1);
                                //dbc.executeUpdate(tempsql1);
                                break;
                            }
                        }
                    }
                    if (l <= i && l == h) {
                        if (ug[i] != null) {
                            tempsql1 = "insert into usergroup (usergroup,userid,depid,ugmd5) values('"+
                                         yug[0][0]+"',"+ug[i]+",'"+dep+"','"+ugmd5+"')";
                            System.out.println(tempsql1);
                            //dbc.executeUpdate(tempsql1);
                            //System.out.println("dd" + ids[i]);
                        }
                    }
                }
                l = 0;
                h = 0;
                for (int i = 0; i < yug.length; i++) {
                    //得出应该删除的
                    String temp = "a";
                    String tempsql2 = "";
                    for (int j = l; j < same.length; j++) {
                        h = l;
                        if (same[j] != null && yug[i][2] != null) {
                            if (same[j].equals(yug[i][2])) {
                                l++;
                                break;
                            } else {
                                temp = "b";
                                tempsql2 ="delete from usergroup where userid = "+yug[i][2]+" and ugmd5 = '"+ugmd5+"'";
                                System.out.println(tempsql2);
                                //dbc.executeUpdate(tempsql2);
                                //System.out.println("ttt" + checkInfo[i][0]);
                                break;
                            }
                        }
                    }
                    if (l <= i && l == h) {
                        if (yug[i][2] != null)
                            if (!temp.equals("b")) {
                                tempsql2 ="delete from usergroup where userid = "+yug[i][2]+" and ugmd5 = '"+ugmd5+"'";
                                System.out.println(tempsql2);
                                //dbc.executeUpdate(tempsql2);
                                //System.out.println("ttt" + checkInfo[i][0]);
                            }
                    }
                }
                request.setAttribute("msg", "success");
                return mapping.findForward("succ");
            } else {
                request.setAttribute("msg", "用户名不能为空！");
                return mapping.findForward("err");
            }
        } catch (Exception ex) {
            ex.printStackTrace();
            request.setAttribute("msg", "用户组修改出现异常！");
        }
        return mapping.findForward("err");
    }
}

						