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//根据用户名找到密码
public String nametopwd(){
DBConnect dbc=null;
String userpwd=null;
try{
dbc=new DBConnect();
dbc.prepareStatement("SELECT password from user WHERE name=?");
dbc.setBytes(1,name.getBytes("GB2312"));
rs = dbc.executeQuery();
<%try{
String pwd=null;
String password=request.getParameter("password");
String password1=request.getParameter("password1");
DispUser dispuser=new DispUser();
dispuser.setName(userName);
pwd=dispuser.nametopwd();
dbc.prepareStatement("SELECT password from user WHERE name=?");