Mybatis返回插入主键id的方法

<insert id="insertobject" usegeneratedkeys="true"  keyproperty="id" parametertype="www.change.tm.model.orders" >
insert into orders
<trim prefix="(" suffix=")" suffixoverrides=",">
<if test="number!=null">
ordernumber,
</if>
<if test="ordertime!=null">
ordertime,
</if>
</trim>
values
<trim prefix="(" suffix=")" suffixoverrides=",">
<if test="number!=null">
#{number},
</if>
<if test="ordertime!=null">
#{ordertime},
</if>
</trim>
</insert>

<insertid=“dosomething"parametertype="map"usegeneratedkeys="true"keyproperty=“yourid">
...
</insert>

<insert id=“dosomething" parametertype=“com.xx.yy.zz.yourclass" usegeneratedkeys="true" keyproperty=“yourid">
...
</insert>

public int dosomething(map<string, object> parameters);
or
public int 
dosomething(yourclass c);

map<string, object> parameters = new hashmap<string, object>();
parameters.put(“yourid”, 1234);
...
mapper.dosomething(parameters);
system.out.println(“id of the field that is primary key” + parameters.get(“yourid"));

yourclass c = new yourclass();
...
mapper.dosomething(c);
system.out.println(“id of the field that is primary key” + c.yourid);