sufuchao的专栏

<br /> 查询整个映射对象所有字段Java代码 //直接from查询出来的是一个映射对象，即：查询整个映射对象所有字段 String hql = "from Users"; Query query = session.createQuery(hql); List<Users> users = query.list(); for(Users user : users){ System.out.println(user.getName() + " : " + user.getPasswd() + " : "

HTTP错误报码对照表HTTP Error Codes400 Invalid syntax. 语法问题401 Access denied. 访问拒绝402 Payment required. 必须完整403 Request forbidden. 请求被禁止404 Object not found. 对象没有找到405 Method is not allowed. 方法不允许