J2EE基础应用：J2EE中SQL语句自动构造方法

while(arg_names.hasMoreElements()){

arg_name = String.valueOf(arg_names.nextElement());

if(arg_name.length() < 2){

continue;

}

pre_name = arg_name.substring(0,2);

end_name = arg_name.substring(2);

if(pre_name.equalsIgnoreCase("i_")){

colstr = colstr+","+end_name;

if(get(arg_name).equals("")){

valstr = valstr+",NULL";

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