我写的对数据库表的数据的修改DAO层//用户修改
public void updateManager(ManagerForm managerform) {
this.getHibernateTemplate().update(managerform);
}service层
//用户修改
public void updateManager(ManagerForm managerform){ this.objectdao.updateManager(managerform);
}
action:
public String updateManager() throws Exception {
this.objectservice.updateManager(managerform);
return "updateManager";
}映射文件是:<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"><hibernate-mapping>
<class name="com.bean.ManagerForm" table="tb_manager" >
<id name="id" >
<generator class="native"/>
</id>
<property name="account" />
<property name="password" />
<property name="managerLevel" />
</class>
</hibernate-mapping>使用JSP页面对用户信息的 密码进行修改..
可是报这个错Batch update returned unexpected row count from update: 0 actual row count: 0 expected: 1 我百度了..上面说因为对 主键ID 进行了修改才会报错...可是我并没有修改主键啊.
public void updateManager(ManagerForm managerform) {
this.getHibernateTemplate().update(managerform);
}service层
//用户修改
public void updateManager(ManagerForm managerform){ this.objectdao.updateManager(managerform);
}
action:
public String updateManager() throws Exception {
this.objectservice.updateManager(managerform);
return "updateManager";
}映射文件是:<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE hibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd"><hibernate-mapping>
<class name="com.bean.ManagerForm" table="tb_manager" >
<id name="id" >
<generator class="native"/>
</id>
<property name="account" />
<property name="password" />
<property name="managerLevel" />
</class>
</hibernate-mapping>使用JSP页面对用户信息的 密码进行修改..
可是报这个错Batch update returned unexpected row count from update: 0 actual row count: 0 expected: 1 我百度了..上面说因为对 主键ID 进行了修改才会报错...可是我并没有修改主键啊.
你可以先把主键load出来,再来修改