mybatis3中@SelectProvider传递参数方式

@SelectProvider(type = SqlProvider.class, method = "selectUserCheck")
@ResultMap("userMap")
public User getUserCheck(@Param("userId") long userId, String password);

     public String selectUserCheck(Map<String, Object> para) {
         return "select * from user where userId=" + para.get("userId") + " and password=' " + para.get("1") + "'";
     }

public interface AdmainMapper{
@Select("SELECT * FROM userinfo WHERE username = #{username} AND password = #{password}")
     @Results(value = {    //@Result这项可以不写
             @Result(id = true, column = "id", property = "id"),
             @Result(column = "username", property = "username"),
             @Result(column = "password", property = "password") })
     public Admin selectAdmin(@Param("username") String username,
                              @Param("password") String password);//参数可以是一个对象，sql语句会自动匹配
}

public interface AdminMapper {
public List<Admin> getAdminByConditions(@Param("username")String username,
                                             @Param("password")String password,
                                             @Param("start")int start,
                                             @Param("limit")int limit);//参数可以直接传入一个类，在xml中可以自动匹配
}

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
 
<!-- 上面类的路径-->
<mapper namespace="com.xxx. ... .AdminMapper">
    <!-- 指定字段映射 -->
<resultMap type="com. ... .Student" id="studentResultMap"> //下面方法返回结果存放类型通过id识别
   <id property="id"  column="id"  />
   <result property="name" column="name"  />
   <result property="age" column="age"  />
   <result property="classId" column="classId"  />
</resultMap>
<sql id="Base_Column_List">  //使用这种方法可以使重复使用的字段通过id直接调用即可，很方便
   id, name ,age,classId
</sql>
<!-- 若不需要自动返回主键，将useGeneratedKeys="true" keyProperty="id"去掉即可 -->
 
<select id="getAdminByConditions" parameterType="com. ... .StudentVo"  resultMap="studentResultMap">
   <![CDATA[ SELECT ]]>      //此id要和mapper中的方法名对应
   <include refid="Base_Column_List" />
   <![CDATA[ FROM student WHERE 1=1]]>
   <if test="id != null"><![CDATA[ AND id = #{id} ]]></if>
   <if test="name != null"><![CDATA[ AND name  like CONCAT('%',#{name},'%') ]]></if>
   <if test="age != null"><![CDATA[ AND age = #{age} ]]></if>
   <![CDATA[ ORDER BY id  DESC  limit  #{startRow} , #{pageSize} ]]>
</select>
</mapper>

public interface AdmainMapper{
@SelectProvider(type = SqlBuilder.class, method = "queryList")//指定所用sql语句
@ResultMap("student")
       List<student> getList(@Param("start") int start,
                                @Param("pageSize") int pageSize,
                                @Param("apIds") String apIds,
                                @Param("model") String model);
 
}

public class SqlBuilder {//与type对应         
       public String queryList(@Param("start") int start, @Param("pageSize") int pageSize, //于method对应
                                @Param("apIds") String apIds, @Param("model") String model) {
 
              String sql = " SELECT ap.* FROM ap WHERE ap.id NOT in ( SELECT apid FROM ap_activity_mapping WHERE del = 0 ";
              if (StringUtils.isNotEmpty(apIds)) {
                      sql += " and apid not in (" + apIds + ") ";
              }
              sql += " ) ";
              if (StringUtils.isNotEmpty(model)) {
                      sql += " and model = '" + model + "'";
              }
              sql += " GROUP BY ap.id limit " + start + "," + pageSize;
 
              return sql;
 
       }//返回类型必须是String
}