J2EE基础应用：J2EE中SQL语句自动构造方法

}

if(!colstr.equals("")){

colstr = colstr.substring(1);

valstr = valstr.substring(1);

}

sqlstr = "INSERT INTO "+c_table+" ("+colstr+") VALUES ("+valstr+")";

return sqlstr;

}else if(c_genre.equalsIgnoreCase("UPDATE")){

java.util.Enumeration arg_names = request.getParameterNames();

String colstr = "";

String arg_name,pre_name,end_name ;

while(arg_names.hasMoreElements()){

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