Hibernate 更新数据库 参数绑定总结:数据库
一.query.setParameter(属性名,真实值,类型);对象
String hql="update User u set u.userName=:userName where u.userId=:userId";get
Query query = getSession.createQuery(hql); io
query.setParameter("userName", userName(对应:后面的值), Hibernate.STRING);date
query.setParameter("userId", userId(对应:后面的值), Hibernate.INTEGER);
总结
query.executeUpdate();数据
二.query.setXXXX(属性值,真实值);query
String hql="update User u set u.userName=:userName where u.userId=:userId";
new
query.setString("userName",userName);参数
query.setInteger("userId",userId);
query.executeUpdate();
三.query.setString(问号位置,真实值);
String hql="update User u set u.userName=? where u.userId=?";
Query query = getSession.createQuery(hql);
query.setString(0,userName);
query.setInteger(1,userId);
query.executeUpdate();
四.query.setProperties(对象);
String hql="update User u set u.userName=:userName where u.userId=:userId";
Query query = getSession.createQuery(hql);
User user = new User();
user.serUserName("张三");
user.setUserId(2);
query.setProperties(user);
query.executeUpdate();