springMVC框架例子源码

package com.springdemo.core; import java.util.Map; import org.springframework.jdbc.core.namedparam.BeanPropertySqlParameterSource; import org.springframework.jdbc.core.simple.SimpleJdbcInsert; import org.springframework.jdbc.core.support.JdbcDaoSupport; public class BaseDao extends JdbcDaoSupport{ /** * 添加 ，属性和数据库字段名一致，返回主键 * @param objForSave ,继承Saveable 的接口的类 * @return */ public Number saveAndReturnKey(Saveable objForSave){ return saveAndReturnKey(objForSave, objForSave.getTableName(), objForSave.getKeyColumns()); } /** * 添加实体,返回主键 * @param objForSave * @param tableName * @param columnAndValue * @param keyColumns * @return */ public Number saveAndReturnKey(Object objForSave,String tableName,String...keyColumns){ SimpleJdbcInsert insertActor = getSimpleJdbcInsert(); insertActor.setTableName(tableName); insertActor.usingGeneratedKeyColumns(keyColumns); Number newId = insertActor.executeAndReturnKey(new BeanPropertySqlParameterSource(objForSave)) ; traceSql(insertActor.getInsertString()); return newId; } /** * @param objForSave 插入数据库的类 * @param tableName * @param keyColumns * @return */ public void save(Saveable objForSave){ SimpleJdbcInsert insertActor = getSimpleJdbcInsert(); insertActor.setTableName(objForSave.getTableName()); insertActor.execute(new BeanPropertySqlParameterSource(objForSave)) ; traceSql(insertActor.getInsertString()); } /** * @param objForSave 插入数据库的类，注意 * @param tableName * @param keyColumns * @return */ public void save(Object objForSave,String tableName){ SimpleJdbcInsert insertActor = getSimpleJdbcInsert(); insertActor.setTableName(tableName); insertActor.execute(new BeanPropertySqlParameterSource(objForSave)) ; traceSql(insertActor.getInsertString()); } /** * * @param objForSave 插入数据库的类 * @param tableName * @param keyColumns * @return */ public void save(Object objForSave,String tableName,String...keyColumns){ SimpleJdbcInsert insertActor = getSimpleJdbcInsert(); insertActor.setTableName(tableName); insertActor.execute(new BeanPropertySqlParameterSource(objForSave)) ; traceSql(insertActor.getInsertString()); } /** * * @param objForSave * @param tableName * @param columnAndValue * @param keyColumns * @return */ public Number saveAndReturnKey(String tableName,Map<String,Object> columnAndValue,String...keyColumns){ SimpleJdbcInsert insertActor = getSimpleJdbcInsert(); insertActor.setTableName(tableName); insertActor.usingGeneratedKeyColumns(keyColumns); Number newId = insertActor.executeAndReturnKey(columnAndValue) ; traceSql(insertActor.getInsertString()); return newId; } //----tools public SimpleJdbcInsert getSimpleJdbcInsert(){ return new SimpleJdbcInsert(getJdbcTemplate()); } public SimpleJdbcInsert getSimpleJdbcInsert(String tableName){ return new SimpleJdbcInsert(getJdbcTemplate()); } public void traceSql(String sql){ System.out.println("JDBC:"+sql); } }