iBatis学习

tis学习小结

关键字: iBATIS       

sqlMap文件 代码 <?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="Account"> <typeAlias alias="Account" type="test.Account"/> <!--列表查询,返回Account Object的List--> <resultMap id="AccountResult" class="Account"> <result property="id" column="ID"/> <result property="firstName" column="FIRST_NAME"/> <result property="lastName" column="LAST_NAME"/> <result property="emailAddress" column="EMAIL"/> </resultMap> <select id="selectAllAccounts" resultMap="AccountResult"> select * from ACCOUNT </select> <!--列表查询,返回HashMap的List--> <resultMap id="mapResult" class="java.util.HashMap"> <result property="roleid" column="ROLEID"/> <result property="rolename" column="ROLENAME"/> <result property="id" column="ID"/> <result property="firstName" column="FIRST_NAME"/> <result property="lastName" column="LAST_NAME"/> <result property="emailAddress" column="EMAIL"/> <result property="dt" column="DT"/> </resultMap> <select id="selectAllAccountsWithMap" resultMap="mapResult"> select B.ROLEID, B.ROLENAME, A.ID, A.FIRST_NAME,A.LAST_NAME,A.EMAIL,A.DT from ACCOUNT A left outer join ROLE B on A.ROLEID = B.ROLEID ORDER BY A.ID DESC </select> <!--关联查询,返回Account Object的List--> <resultMap id="AccountResultWithRole" class="Account" groupBy="id"> <result property="id" column="ID"/> <result property="firstName" column="FIRST_NAME"/> <result property="lastName" column="LAST_NAME"/> <result property="emailAddress" column="EMAIL"/> <result property="role" resultMap="Account.roleResult"/> </resultMap> <resultMap id="roleResult" class="test.Role"> <result property="roleid" column="ROLEID"/> <result property="rolename" column="ROLENAME"/> </resultMap> <select id="selectAccountByIdWithRole" parameterClass="int" resultMap="AccountResultWithRole"> select B.ROLEID, B.ROLENAME, A.ID, A.FIRST_NAME,A.LAST_NAME,A.EMAIL from ACCOUNT A left outer join ROLE B on A.ROLEID = B.ROLEID where A.ID = #id# </select> <!--查询--> <select id="selectAccountById" parameterClass="int" resultClass="Account"> select ID as id, FIRST_NAME as firstName, LAST_NAME as lastName, EMAIL as emailAddress from ACCOUNT where ID = #id# </select> <!--新增--> <insert id="insertAccount" parameterClass="Account"> insert into ACCOUNT ( FIRST_NAME, LAST_NAME, EMAIL, PID, DT ) values ( #firstName:VARCHAR#, #lastName:VARCHAR#, #emailAddress:VARCHAR#,#pid:INTEGER:0#,#dt:TIME# ) <selectKey resultClass="int" type="post" keyProperty="id"> SELECT @@IDENTITY AS ID </selectKey> </insert> <!--更新--> <update id="updateAccount" parameterClass="Account"> update ACCOUNT set FIRST_NAME = #firstName:VARCHAR#, LAST_NAME = #lastName:VARCHAR#, EMAIL = #emailAddress:VARCHAR# where ID = #id# </update> <!--删除--> <delete id="deleteAccountById" parameterClass="int"> delete from ACCOUNT where ID = #id# </delete> <!--存储过程，如果没有返回列表，procTest的resultMap可以省略--> <parameterMap id="procParamMap" class="java.util.HashMap" > <parameter property="id" jdbcType="INTEGER" javaType="java.lang.Integer" mode="IN"/> <parameter property="outid" jdbcType="INTEGER" javaType="java.lang.Integer" mode="OUT"/> <parameter property="errMsg" jdbcType="VARCHAR" javaType="java.lang.String" mode="OUT"/> </parameterMap> <resultMap id="procResultMap" class="java.util.HashMap" > <result property="a" column="AAA"/> <result property="b" column="BBB"/> <result property="c" column="CCC"/> </resultMap> <procedure id="procTest" parameterMap="procParamMap" resultMap="procResultMap"> {call test_sp_1 (?,?,?)} </procedure> </sqlMap> <script>render_code();</script>   java 代码 代码 public class TestDao extends SqlMapClientDaoSupport { public List selectAllAccounts() throws SQLException { return getSqlMapClientTemplate().queryForList("selectAllAccounts"); } public List selectAllAccountsWithMap() throws SQLException { return getSqlMapClientTemplate().queryForList( "selectAllAccountsWithMap"); } public Account selectAccountById(int id) throws SQLException { return (Account) getSqlMapClientTemplate().queryForObject( "selectAccountById", new Integer(id)); } public List procTest(Map params) throws Exception { List ret = (List) getSqlMapClientTemplate().queryForList("procTest",params); return ret; } public Account selectAccountByIdWithRole(int id) throws SQLException { return (Account) getSqlMapClientTemplate().queryForObject( "selectAccountByIdWithRole", new Integer(id)); } public void insertAccount(Account account) throws SQLException { getSqlMapClientTemplate().insert("insertAccount", account); } public int updateAccount(Account account) throws SQLException { return getSqlMapClientTemplate().update("updateAccount", account); } public int deleteAccount(int id) throws SQLException { return getSqlMapClientTemplate().delete("deleteAccountById", new Integer(id)); } } <script>render_code();</script>   SqlServer存储过程 代码 CREATE procedure test_sp_1 @id int,@outid int output,@errMsg varchar(255) output AS update ACCOUNT set pid=@id select @outid=isnull(@id,0)+1 select @errMsg='测试' select AAA='AAAAAAA',BBB='BBBBBBB',CCC='CCCCCCC' GO <script>render_code();</script>