MyBatis动态SQL

时间:2017-06-25 09:29:52   收藏:0   阅读:241

public interface UserMapper

{
  @SelectProvider(type="UserSqlProvider.class" method="selectWithParam")

  List<User> selectWithParam(Map<String,Object> param);
}

 

public classUserSqpProvider

{

  public String selectWithParam(Map<String,Object> param)

  {

  return new SQL(){

    {

      SELECT("*")

      FROM("User")

      if(param.get("id") != null)

      {

        WHERE(" id=#{id}")

      }

      ...

    }.toString();

  };

  }

}

 

原文:http://www.cnblogs.com/tengfeixinxing/p/7075485.html

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