There is no statement named User.login in this SqlMap. 让我很莫名

com.ibatis.sqlmap.client.SqlMapException: There is no statement named User.login in this SqlMap.

SqlMapConfig.xml代码如下：

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE sqlMapConfig      
    PUBLIC "-//ibatis.apache.org//DTD SQL Map Config 2.0//EN"      
    "http://ibatis.apache.org/dtd/sql-map-config-2.dtd">
<sqlMapConfig>
	<settings cacheModelsEnabled="true" enhancementEnabled="true" lazyLoadingEnabled="true"
		maxRequests="32" maxSessions="10" maxTransactions="5" useStatementNamespaces="true" />
	<sqlMap resource="com/lhq/prj/bms/po/xml/User.xml" />
</sqlMapConfig>

UserDao.java 代码如下：

package com.lhq.prj.bms.dao.impl;

import java.util.List;

import org.springframework.orm.ibatis.support.SqlMapClientDaoSupport;

import com.lhq.prj.bms.core.Page;
import com.lhq.prj.bms.dao.IUserDao;
import com.lhq.prj.bms.po.User;

/**
 * 用户管理持久层实现
 * @author Administrator
 *
 */
public class UserDao extends SqlMapClientDaoSupport implements IUserDao {

	public Integer deleteById(Integer userId) {
		// TODO Auto-generated method stub
		return getSqlMapClientTemplate().delete("User.deleteById", userId);
	}

	public int findByCount(Page page) {
		// TODO Auto-generated method stub
		return (Integer) getSqlMapClientTemplate().queryForObject("User.findByCount", page);
	}
	
	public List findByExample(User user) {
		// TODO Auto-generated method stub
		return getSqlMapClientTemplate().queryForList("User.findByExample", user);
	}

	public Object saveUser(User user) {
		// TODO Auto-generated method stub
		return getSqlMapClientTemplate().insert("User.save", user);
	}

	public Integer update(User user) throws Exception {
		// TODO Auto-generated method stub
		return getSqlMapClientTemplate().update("User.update", user);
	}

	public List findByPage(Page page) {
		// TODO Auto-generated method stub
		return getSqlMapClientTemplate().queryForList("User.findByPage", page);
	}

	public User login(User user) {
		// TODO Auto-generated method stub
		return (User) getSqlMapClientTemplate().queryForObject("User.login", user);
	}

}

User.xml代码如下：

<?xml version="1.0" encoding="UTF-8" ?>

<!DOCTYPE sqlMap      
    PUBLIC "-//ibatis.apache.org//DTD SQL Map 2.0//EN"      
    "http://ibatis.apache.org/dtd/sql-map-2.dtd">

<sqlMap namespace="User">

	<typeAlias alias="user" type="com.lhq.prj.bms.po.User" />
	<typeAlias alias="page" type="com.lhq.prj.bms.core.Page" />

	<parameterMap class="user" id="pm_user_without_id">
		<parameter property="emplName" javaType="string" jdbcType="VARCHAR" />
		<parameter property="emplNo" javaType="string" jdbcType="VARCHAR" />
		<parameter property="mobilePhone" javaType="string" jdbcType="VARCHAR" />
		<parameter property="sex" javaType="string" jdbcType="VARCHAR" />
		<parameter property="age" javaType="integer" jdbcType="NUMBER" />
		<parameter property="userName" javaType="string" jdbcType="VARCHAR" />
		<parameter property="password" javaType="string" jdbcType="VARCHAR" />
		<parameter property="companyId" javaType="integer" jdbcType="NUMBER" />
		<parameter property="companyName" javaType="string" jdbcType="VARCHAR" />
		<parameter property="deptId" javaType="integer" jdbcType="NUMBER" />
		<parameter property="deptName" javaType="string" jdbcType="VARCHAR" />
		<parameter property="dutyId" javaType="integer" jdbcType="NUMBER" />
		<parameter property="dutyName" javaType="string" jdbcType="VARCHAR" />
		<parameter property="manager" javaType="boolean" jdbcType="BIT" />
		<parameter property="remark" javaType="string" jdbcType="VARCHAR" />
	</parameterMap>
	<sql id="byUserIdCondition">
		<![CDATA[
		   userId = #userId:NUMBER#
	    ]]>
	</sql>

	<insert id="save" parameterMap="pm_user_without_id">
		<![CDATA[
			INSERT INTO t_user 
						(emplName,emplNo,mobilePhone,sex,age,userName,password,companyId,companyName,deptId,deptName,dutyId,dutyName,manager,remark) 
				 VALUES (?,?,?,?,?,?,?,?,?,?,?,?,?,?,?)
		]]>
		<selectKey resultClass="int">
			<![CDATA[
				SELECT @@IDENTITY AS ID
			]]>
		</selectKey>
	</insert>

	<delete id="deleteById" parameterClass="integer">
		<![CDATA[
			delete t_user
		]]>
		<dynamic prepend="WHERE">
			<include refid="byUserIdCondition" />
		</dynamic>
	</delete>
	
	<update id="update" parameterClass="user">
		<![CDATA[
			UPDATE t_user
		]]>
		<dynamic prepend="SET">
			<isNotNull property="emplName" prepend=",">
				<![CDATA[
					emplName = #emplName:VARCHAR#
				]]>
			</isNotNull>
			<isNotNull property="emplNo" prepend=",">
				<![CDATA[
					emplNo = #emplNo:VARCHAR#
				]]>
			</isNotNull>
			<isNotNull property="mobilePhone" prepend=",">
				<![CDATA[
					mobilePhone = #mobilePhone:VARCHAR#
				]]>
			</isNotNull>
			<isNotNull property="sex" prepend=",">
				<![CDATA[
					sex = #sex:VARCHAR#
				]]>
			</isNotNull>
			<isNotNull property="age" prepend=",">
				<![CDATA[
					age = #age:NUMBER#
				]]>
			</isNotNull>
			<isNotNull property="userName" prepend=",">
				<![CDATA[
					userName = #userName:VARCHAR#
				]]>
			</isNotNull>
			<isNotNull property="password" prepend=",">
				<![CDATA[
					password = #password:VARCHAR#
				]]>
			</isNotNull>
			<isNotNull property="companyId" prepend=",">
				<![CDATA[
					companyId = #companyId:NUMBER#
				]]>
			</isNotNull>
			<isNotNull property="companyName" prepend=",">
				<![CDATA[
					companyName = #companyName:VARCHAR#
				]]>
			</isNotNull>
			<isNotNull property="deptId" prepend=",">
				<![CDATA[
					deptId = #deptId:NUMBER#
				]]>
			</isNotNull>
			<isNotNull property="deptName" prepend=",">
				<![CDATA[
					deptName = #deptName:VARCHAR#
				]]>
			</isNotNull>
			<isNotNull property="dutyId" prepend=",">
				<![CDATA[
					dutyId = #dutyId:NUMBER#
				]]>
			</isNotNull>
			<isNotNull property="dutyName" prepend=",">
				<![CDATA[
					dutyName = #dutyName:VARCHAR#
				]]>
			</isNotNull>
			<isNotNull property="manager" prepend=",">
				<![CDATA[
					manager = #manager:BIT#
				]]>
			</isNotNull>
			<isNotNull property="remark" prepend=",">
				<![CDATA[
					remark = #remark:VARCHAR#
				]]>
			</isNotNull>
		</dynamic>
		<dynamic prepend="WHERE">
			<include refid="byUserIdCondition" />
		</dynamic>
	</update>

	<sql id="findUserByPageCondition">
		<isNotEmpty property="conditions">
			<iterate property="conditions" open="(" close=")" conjunction="OR">
				<![CDATA[
					upper(emplName) LIKE '%' + upper(#conditions[]:VARCHAR#) + '%'
				    OR upper(emplNo) LIKE '%' + upper(#conditions[]:VARCHAR#) + '%'    
				    OR upper(mobilePhone) LIKE '%' + upper(#conditions[]:VARCHAR#) + '%'    
				    OR upper(sex) LIKE '%' + upper(#conditions[]:VARCHAR#) + '%'    
				    OR upper(userName) LIKE '%' + upper(#conditions[]:VARCHAR#) + '%'    
				    OR upper(companyName) LIKE '%' + upper(#conditions[]:VARCHAR#) + '%'    
				    OR upper(deptName) LIKE '%' + upper(#conditions[]:VARCHAR#) + '%'    
				    OR upper(dutyName) LIKE '%' + upper(#conditions[]:VARCHAR#) + '%'    
				    OR upper(remark) LIKE '%' + upper(#conditions[]:VARCHAR#) + '%' 
		    	]]>
			</iterate>
		</isNotEmpty>
	</sql>
	
	<select id="findByPage" parameterClass="page" resultClass="user">
		<![CDATA[
			SELECT * FROM t_user 
		]]>
		<dynamic prepend="WHERE">
			<include refid="findUserByPageCondition" />
		</dynamic>
		<![CDATA[
		]]>
		<dynamic prepend="AND">
			<include refid="findUserByPageCondition" />
		</dynamic>
		<![CDATA[
			ORDER BY userId limit $start$,$limit$
		]]>
	</select>

	<select id="findByCount" parameterClass="page" resultClass="int">
		<![CDATA[
			SELECT COUNT(*) FROM t_user 
		]]>
		<dynamic prepend="WHERE">
			<include refid="findUserByPageCondition" />
		</dynamic>
	</select>

	<select id="login" parameterClass="user" resultClass="user">
		<![CDATA[
			SELECT * FROM t_user 
					WHERE userName = #userName:VARCHAR# and password = #password:VARCHAR#
		]]>
	</select>
	
	<select id="findByExample" parameterClass="user" resultClass="user">
		<![CDATA[
			SELECT * FROM t_user 
		]]>
		<dynamic prepend="WHERE">
			<isNotNull property="userId" prepend="AND">
				userId = #userId:NUMBER#
			</isNotNull>
			<isNotNull property="emplName" prepend="AND">
				emplName LIKE '%' + #emplName:VARCHAR# + '%'
			</isNotNull>
			<isNotNull property="emplNo" prepend="AND">
				emplNo LIKE '%' + #emplNo:VARCHAR# + '%'
			</isNotNull>
			<isNotNull property="mobilePhone" prepend="AND">
				mobilePhone LIKE '%' + #mobilePhone:VARCHAR# + '%'
			</isNotNull>
			<isNotNull property="sex" prepend="AND">
				sex = #sex:VARCHAR#
			</isNotNull>
			<isNotNull property="age" prepend="AND">
				age = #sex:NUMBER#
			</isNotNull>
			<isNotNull property="userName" prepend="AND">
				userName = #userName:VARCHAR#
			</isNotNull>
			<isNotNull property="password" prepend="AND">
				password = #password:VARCHAR#
			</isNotNull>
			<isNotNull property="companyId" prepend="AND">
				companyId = #companyId:NUMBER#
			</isNotNull>
			<isNotNull property="companyName" prepend="AND">
				companyName LIKE '%' + #companyName:VARCHAR# + '%'
			</isNotNull>
			<isNotNull property="deptId" prepend="AND">
				deptId = #deptId:NUMBER#
			</isNotNull>
			<isNotNull property="deptName" prepend="AND">
				deptName LIKE '%' + #deptName:VARCHAR# + '%'
			</isNotNull>
			<isNotNull property="dutyId" prepend="AND">
				dutyId = #dutyId:NUMBER#
			</isNotNull>
			<isNotNull property="dutyName" prepend="AND">
				dutyName LIKE '%' + #dutyName:VARCHAR# + '%'
			</isNotNull>
			<isNotNull property="manager" prepend="AND">
				manager = #manager:BIT#
			</isNotNull>
		</dynamic>
	</select>
</sqlMap>

错误原因：User.xml中没有定义命名空间
<sqlMap namespace="User">