src/main/java/com/sojson/core/mybatis/BaseMybatisDao.java

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package com.sojson.core.mybatis;

import java.lang.reflect.ParameterizedType;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.ibatis.mapping.BoundSql;
import org.apache.ibatis.mapping.ParameterMapping;
import org.apache.ibatis.session.Configuration;
import org.mybatis.spring.support.SqlSessionDaoSupport;

import com.sojson.common.utils.LoggerUtils;
import com.sojson.common.utils.StringUtils;
import com.sojson.core.mybatis.page.MysqlDialect;
import com.sojson.core.mybatis.page.Pagination;

@SuppressWarnings( { "unchecked" })
public class BaseMybatisDao<T> extends SqlSessionDaoSupport {

	private String NAMESPACE;
	final static  Class<? extends Object> SELF = BaseMybatisDao.class;
	protected final Log logger = LogFactory.getLog(BaseMybatisDao.class);
	/**默认的查询Sql id*/
	final static String DEFAULT_SQL_ID = "findAll";
	/**默认的查询Count sql id**/
	final static String DEFAULT_COUNT_SQL_ID = "findCount";
	public BaseMybatisDao() {
		try {
			Object genericClz = getClass().getGenericSuperclass();
			if (genericClz instanceof ParameterizedType) {
				Class<T> entityClass = (Class<T>) ((ParameterizedType) genericClz)
						.getActualTypeArguments()[0];
				NAMESPACE = entityClass.getPackage().getName() + "."
						+ entityClass.getSimpleName();
			}
		} catch (RuntimeException e) {
			LoggerUtils.error(SELF, "初始化失败，继承BaseMybatisDao，没有泛型！");
		}
	}
	/**
	 * 根据Sql id 去查询 分页对象
	 * @param sqlId			对应mapper.xml 里的Sql Id
	 * @param params		参数<String,Object>
	 * @param pageNo		number
	 * @param pageSize		size
	 * @return
	 */
	public Pagination findByPageBySqlId(String sqlId,
			Map<String, Object> params, Integer pageNo, Integer pageSize) {

		pageNo = null == pageNo ? 1 : pageNo;
		pageSize = null == pageSize ? 10 : pageSize;