tk.mybatis.mapper.MapperException Java Exaples

Source File: OGNL.java From Mapper with MIT License

6 votes

/**
 * 检查 paremeter 对象中指定的 fields 是否全是 null，如果是则抛出异常
 *
 * @param parameter
 * @return
 */
public static boolean exampleHasAtLeastOneCriteriaCheck(Object parameter) {
    if (parameter != null) {
        try {
            if (parameter instanceof Example) {
                List<Example.Criteria> criteriaList = ((Example) parameter).getOredCriteria();
                if (criteriaList != null && criteriaList.size() > 0) {
                    return true;
                }
            } else {
                Method getter = parameter.getClass().getDeclaredMethod("getOredCriteria");
                Object list = getter.invoke(parameter);
                if(list != null && list instanceof List && ((List) list).size() > 0){
                    return true;
                }
            }
        } catch (Exception e) {
            throw new MapperException(SAFE_DELETE_ERROR, e);
        }
    }
    throw new MapperException(SAFE_DELETE_EXCEPTION);
}

Source File: FieldHelper.java From tk-mybatis with MIT License

6 votes

/**
 * 通过方法获取属性
 *
 * @param entityClass
 * @return
 */
public List<EntityField> getProperties(Class<?> entityClass) {
    List<EntityField> entityFields = new ArrayList<EntityField>();
    BeanInfo beanInfo = null;
    try {
        beanInfo = Introspector.getBeanInfo(entityClass);
    } catch (IntrospectionException e) {
        throw new MapperException(e);
    }
    PropertyDescriptor[] descriptors = beanInfo.getPropertyDescriptors();
    for (PropertyDescriptor desc : descriptors) {
        if (!desc.getName().equals("class")) {
            entityFields.add(new EntityField(null, desc));
        }
    }
    return entityFields;
}

Source File: IdsMapperProvider.java From BlogManagePlatform with Apache License 2.0

6 votes

/**
 * 批量查询
 * @author Frodez
 * @date 2019-12-25
 */
public String selectByIds(MappedStatement ms) {
	final Class<?> entityClass = getEntityClass(ms);
	//将返回值修改为实体类型
	setResultType(ms, entityClass);
	StringBuilder sql = new StringBuilder();
	sql.append(SqlHelper.selectAllColumns(entityClass));
	sql.append(SqlHelper.fromTable(entityClass, tableName(entityClass)));
	Set<EntityColumn> columnList = EntityHelper.getPKColumns(entityClass);
	if (columnList.size() == 1) {
		EntityColumn column = columnList.iterator().next();
		sql.append(" where ");
		sql.append(column.getColumn());
		sql.append(" in ");
		sql.append("<foreach collection=\"ids\" item=\"item\" index=\"index\" open=\"(\" close=\")\" separator=\",\">");
		sql.append(" #{item} ");
		sql.append("</foreach>");
	} else {
		throw new MapperException("继承 selectByIds 方法的实体类[" + entityClass.getCanonicalName() + "]中必须有且只有一个带有 @Id 注解的字段");
	}
	return sql.toString();
}

Source File: SelectPartialMapperProvider.java From BlogManagePlatform with Apache License 2.0

6 votes

public String partialByIds(MappedStatement ms) {
	final Class<?> entityClass = getEntityClass(ms);
	String tableName = tableName(entityClass);
	StringBuilder sql = new StringBuilder();
	sql.append("SELECT ");
	sql.append(tableName).append(".${fieldName} ");
	sql.append(SqlHelper.fromTable(entityClass, tableName));
	Set<EntityColumn> columnList = EntityHelper.getPKColumns(entityClass);
	if (columnList.size() == 1) {
		EntityColumn column = columnList.iterator().next();
		sql.append(" where ");
		sql.append(column.getColumn());
		sql.append(" in ");
		sql.append("<foreach collection=\"ids\" item=\"item\" index=\"index\" open=\"(\" close=\")\" separator=\",\">");
		sql.append(" #{item} ");
		sql.append("</foreach>");
	} else {
		throw new MapperException("继承 selectByIds 方法的实体类[" + entityClass.getCanonicalName() + "]中必须有且只有一个带有 @Id 注解的字段");
	}
	return sql.toString();
}

Source File: IdsMapperProvider.java From BlogManagePlatform with Apache License 2.0

6 votes

/**
 * 批量删除
 * @author Frodez
 * @date 2019-12-25
 */
public String deleteByIds(MappedStatement ms) {
	final Class<?> entityClass = getEntityClass(ms);
	StringBuilder sql = new StringBuilder();
	sql.append(SqlHelper.deleteFromTable(entityClass, tableName(entityClass)));
	Set<EntityColumn> columnList = EntityHelper.getPKColumns(entityClass);
	if (columnList.size() == 1) {
		EntityColumn column = columnList.iterator().next();
		sql.append(" where ");
		sql.append(column.getColumn());
		sql.append(" in ");
		sql.append("<foreach collection=\"ids\" item=\"item\" index=\"index\" open=\"(\" close=\")\" separator=\",\">");
		sql.append(" #{item} ");
		sql.append("</foreach>");
	} else {
		throw new MapperException("继承 deleteByIds 方法的实体类[" + entityClass.getCanonicalName() + "]中必须有且只有一个带有 @Id 注解的字段");
	}
	return sql.toString();
}

Source File: MapperTemplate.java From tk-mybatis with MIT License

6 votes

/**
 * 获取返回值类型 - 实体类型
 *
 * @param ms
 * @return
 */
public Class<?> getEntityClass(MappedStatement ms) {
    String msId = ms.getId();
    if (entityClassMap.containsKey(msId)) {
        return entityClassMap.get(msId);
    } else {
        Class<?> mapperClass = getMapperClass(msId);
        Type[] types = mapperClass.getGenericInterfaces();
        for (Type type : types) {
            if (type instanceof ParameterizedType) {
                ParameterizedType t = (ParameterizedType) type;
                if (t.getRawType() == this.mapperClass || this.mapperClass.isAssignableFrom((Class<?>) t.getRawType())) {
                    Class<?> returnType = (Class<?>) t.getActualTypeArguments()[0];
                    //获取该类型后，第一次对该类型进行初始化
                    EntityHelper.initEntityNameMap(returnType, mapperHelper.getConfig());
                    entityClassMap.put(msId, returnType);
                    return returnType;
                }
            }
        }
    }
    throw new MapperException("无法获取Mapper<T>泛型类型:" + msId);
}

Source File: IdsProvider.java From tk-mybatis with MIT License

6 votes

/**
 * 根据主键字符串进行删除，类中只有存在一个带有@Id注解的字段
 *
 * @param ms
 * @return
 */
public String deleteByIds(MappedStatement ms) {
    final Class<?> entityClass = getEntityClass(ms);
    StringBuilder sql = new StringBuilder();
    sql.append(SqlHelper.deleteFromTable(entityClass, tableName(entityClass)));
    Set<EntityColumn> columnList = EntityHelper.getPKColumns(entityClass);
    if (columnList.size() == 1) {
        EntityColumn column = columnList.iterator().next();
        sql.append(" where ");
        sql.append(column.getColumn());
        sql.append(" in (${_parameter})");
    } else {
        throw new MapperException("继承 deleteByIds 方法的实体类[" + entityClass.getCanonicalName() + "]中必须只有一个带有 @Id 注解的字段");
    }
    return sql.toString();
}

Source File: IdsProvider.java From tk-mybatis with MIT License

6 votes

/**
 * 根据主键字符串进行查询，类中只有存在一个带有@Id注解的字段
 *
 * @param ms
 * @return
 */
public String selectByIds(MappedStatement ms) {
    final Class<?> entityClass = getEntityClass(ms);
    //将返回值修改为实体类型
    setResultType(ms, entityClass);
    StringBuilder sql = new StringBuilder();
    sql.append(SqlHelper.selectAllColumns(entityClass));
    sql.append(SqlHelper.fromTable(entityClass, tableName(entityClass)));
    Set<EntityColumn> columnList = EntityHelper.getPKColumns(entityClass);
    if (columnList.size() == 1) {
        EntityColumn column = columnList.iterator().next();
        sql.append(" where ");
        sql.append(column.getColumn());
        sql.append(" in (${_parameter})");
    } else {
        throw new MapperException("继承 selectByIds 方法的实体类[" + entityClass.getCanonicalName() + "]中必须只有一个带有 @Id 注解的字段");
    }
    return sql.toString();
}

Source File: IdsProvider.java From Mapper with MIT License

6 votes

/**
 * 根据主键字符串进行删除，类中只有存在一个带有@Id注解的字段
 *
 * @param ms
 * @return
 */
public String deleteByIds(MappedStatement ms) {
    final Class<?> entityClass = getEntityClass(ms);
    StringBuilder sql = new StringBuilder();
    sql.append(SqlHelper.deleteFromTable(entityClass, tableName(entityClass)));
    Set<EntityColumn> columnList = EntityHelper.getPKColumns(entityClass);
    if (columnList.size() == 1) {
        EntityColumn column = columnList.iterator().next();
        sql.append(" where ");
        sql.append(column.getColumn());
        sql.append(" in (${_parameter})");
    } else {
        throw new MapperException("继承 deleteByIds 方法的实体类[" + entityClass.getCanonicalName() + "]中必须只有一个带有 @Id 注解的字段");
    }
    return sql.toString();
}

Source File: IdsProvider.java From Mapper with MIT License

6 votes

/**
 * 根据主键字符串进行查询，类中只有存在一个带有@Id注解的字段
 *
 * @param ms
 * @return
 */
public String selectByIds(MappedStatement ms) {
    final Class<?> entityClass = getEntityClass(ms);
    //将返回值修改为实体类型
    setResultType(ms, entityClass);
    StringBuilder sql = new StringBuilder();
    sql.append(SqlHelper.selectAllColumns(entityClass));
    sql.append(SqlHelper.fromTable(entityClass, tableName(entityClass)));
    Set<EntityColumn> columnList = EntityHelper.getPKColumns(entityClass);
    if (columnList.size() == 1) {
        EntityColumn column = columnList.iterator().next();
        sql.append(" where ");
        sql.append(column.getColumn());
        sql.append(" in (${_parameter})");
    } else {
        throw new MapperException("继承 selectByIds 方法的实体类[" + entityClass.getCanonicalName() + "]中必须只有一个带有 @Id 注解的字段");
    }
    return sql.toString();
}

Source File: TestSelectByExample.java From Mapper with MIT License

6 votes

@Test
public void testSelectColumnsByExample() {
    exception.expect(MapperException.class);
    exception.expectMessage("类 Country 不包含属性 'hehe'，或该属性被@Transient注释！");
    SqlSession sqlSession = MybatisHelper.getSqlSession();
    try {
        CountryMapper mapper = sqlSession.getMapper(CountryMapper.class);
        Example example = new Example(Country.class);
        example.createCriteria().andGreaterThan("id", 100).andLessThan("id", 151);
        example.or().andLessThan("id", 41);
        example.selectProperties("id", "countryname", "hehe");
        List<Country> countries = mapper.selectByExample(example);
        //查询总数
        Assert.assertEquals(90, countries.size());
    } finally {
        sqlSession.close();
    }
}

Source File: TestSelectByExample.java From Mapper with MIT License

6 votes

/**
 * 指定查询字段拼写错误或不存在
 */
@Test
public void testSelectPropertisCheckSpellWrong() {
    exception.expect(MapperException.class);
    exception.expectMessage("类 Country 不包含属性 'countrymame'，或该属性被@Transient注释！");
    SqlSession sqlSession = MybatisHelper.getSqlSession();
    try {
        CountryMapper mapper = sqlSession.getMapper(CountryMapper.class);
        Example example = new Example(Country.class);
        example.selectProperties(new String[]{"countrymame"});
        example.createCriteria().andEqualTo("id", 35);
        List<Country> country2 = mapper.selectByExample(example);
        Assert.assertEquals(null, country2.get(0).getId());
        Assert.assertEquals("China", country2.get(0).getCountryname());
        Assert.assertEquals(null, country2.get(0).getCountrycode());
    } finally {
        sqlSession.close();
    }
}

Source File: TestSelectByExample.java From Mapper with MIT License

6 votes

/**
 * 指定查询字段为@Transient注释字段
 */
@Test
public void testSelectPropertisCheckTransient2() {
    exception.expect(MapperException.class);
    exception.expectMessage("类 Country 不包含属性 'dynamicTableName123'，或该属性被@Transient注释！");
    SqlSession sqlSession = MybatisHelper.getSqlSession();
    try {
        CountryMapper mapper = sqlSession.getMapper(CountryMapper.class);
        Example example = new Example(Country.class);
        example.selectProperties(new String[]{"dynamicTableName123"});
        example.createCriteria().andEqualTo("id", 35);
        List<Country> country = mapper.selectByExample(example);
    } finally {
        sqlSession.close();
    }
}

Source File: TestSelectByExample.java From Mapper with MIT License

6 votes

/**
 * 指定排除的查询字段不存在或拼写错误
 */
@Test
public void testExcludePropertisCheckWrongSpell() {
    exception.expect(MapperException.class);
    exception.expectMessage("类 Country 不包含属性 'countrymame'，或该属性被@Transient注释！");
    SqlSession sqlSession = MybatisHelper.getSqlSession();
    try {
        CountryMapper mapper = sqlSession.getMapper(CountryMapper.class);
        Example example = new Example(Country.class);
        example.excludeProperties(new String[]{"countrymame"});
        example.createCriteria().andEqualTo("id", 35);
        List<Country> country = mapper.selectByExample(example);
    } finally {
        sqlSession.close();
    }
}

Source File: TestSelectByExample.java From Mapper with MIT License

6 votes

/**
 * 指定排除的查询字段为@Transient注释字段
 */
@Test
public void testExcludePropertisCheckTransient() {
    exception.expect(MapperException.class);
    exception.expectMessage("类 Country 不包含属性 'dynamicTableName123'，或该属性被@Transient注释！");
    SqlSession sqlSession = MybatisHelper.getSqlSession();
    try {
        CountryMapper mapper = sqlSession.getMapper(CountryMapper.class);
        Example example = new Example(Country.class);
        example.excludeProperties(new String[]{"dynamicTableName123"});
        example.createCriteria().andEqualTo("id", 35);
        List<Country> country = mapper.selectByExample(example);
    } finally {
        sqlSession.close();
    }
}

Source File: IdListProvider.java From Mapper with MIT License

6 votes

/**
 * 拼接条件
 *
 * @param sql
 * @param entityClass
 */
private void appendWhereIdList(StringBuilder sql, Class<?> entityClass, boolean notEmpty){
    Set<EntityColumn> columnList = EntityHelper.getPKColumns(entityClass);
    if (columnList.size() == 1) {
        EntityColumn column = columnList.iterator().next();
        if(notEmpty){
            sql.append("<bind name=\"notEmptyListCheck\" value=\"@tk.mybatis.mapper.additional.idlist.IdListProvider@notEmpty(");
            sql.append("idList, 'idList 不能为空')\"/>");
        }
        sql.append("<where>");
        sql.append("<foreach collection=\"idList\" item=\"id\" separator=\",\" open=\"");
        sql.append(column.getColumn());
        sql.append(" in ");
        sql.append("(\" close=\")\">");
        sql.append("#{id}");
        sql.append("</foreach>");
        sql.append("</where>");
    } else {
        throw new MapperException("继承 ByIdList 方法的实体类[" + entityClass.getCanonicalName() + "]中必须只有一个带有 @Id 注解的字段");
    }
}

Source File: Example.java From Mapper with MIT License

6 votes

/**
 * 排除查询字段，优先级低于 selectProperties
 *
 * @param properties 属性名的可变参数
 * @return
 */
public Example excludeProperties(String... properties) {
    if (properties != null && properties.length > 0) {
        if (this.excludeColumns == null) {
            this.excludeColumns = new LinkedHashSet<String>();
        }
        for (String property : properties) {
            if (propertyMap.containsKey(property)) {
                this.excludeColumns.add(propertyMap.get(property).getColumn());
            } else {
                throw new MapperException("类 " + entityClass.getSimpleName() + " 不包含属性 \'" + property + "\'，或该属性被@Transient注释！");
            }
        }
    }
    return this;
}

Source File: Example.java From Mapper with MIT License

6 votes

/**
 * 指定要查询的属性列 - 这里会自动映射到表字段
 *
 * @param properties
 * @return
 */
public Example selectProperties(String... properties) {
    if (properties != null && properties.length > 0) {
        if (this.selectColumns == null) {
            this.selectColumns = new LinkedHashSet<String>();
        }
        for (String property : properties) {
            if (propertyMap.containsKey(property)) {
                this.selectColumns.add(propertyMap.get(property).getColumn());
            } else {
                throw new MapperException("类 " + entityClass.getSimpleName() + " 不包含属性 \'" + property + "\'，或该属性被@Transient注释！");
            }
        }
    }
    return this;
}

Source File: TestSelectByExample.java From Mapper with MIT License

6 votes

/**
 * 指定查询字段为@Transient注释字段
 */
@Test
public void testSelectPropertisCheckTransient1() {
    exception.expect(MapperException.class);
    exception.expectMessage("类 Country 不包含属性 'name'，或该属性被@Transient注释！");
    SqlSession sqlSession = MybatisHelper.getSqlSession();
    try {
        CountryMapper mapper = sqlSession.getMapper(CountryMapper.class);
        Example example = new Example(Country.class);
        example.selectProperties(new String[]{"name"});
        example.createCriteria().andEqualTo("id", 35);
        List<Country> country = mapper.selectByExample(example);
    } finally {
        sqlSession.close();
    }
}

Source File: MapperHelper.java From Mapper with MIT License

6 votes

/**
 * 设置通用Mapper配置
 *
 * @param config
 */
public void setConfig(Config config) {
    this.config = config;
    if(config.getResolveClass() != null){
        try {
            EntityHelper.setResolve(config.getResolveClass().newInstance());
        } catch (Exception e) {
            log.error("创建 " + config.getResolveClass().getCanonicalName()
                + " 实例失败，请保证该类有默认的构造方法!", e);
            throw new MapperException("创建 " + config.getResolveClass().getCanonicalName()
                    + " 实例失败，请保证该类有默认的构造方法!", e);
        }
    }
    if(config.getMappers() != null && config.getMappers().size() > 0){
        for (Class mapperClass : config.getMappers()) {
            registerMapper(mapperClass);
        }
    }
}

Source File: FieldHelper.java From Mapper with MIT License

6 votes

/**
 * 通过方法获取属性
 *
 * @param entityClass
 * @return
 */
@Override
public List<EntityField> getProperties(Class<?> entityClass) {
    List<EntityField> entityFields = new ArrayList<EntityField>();
    BeanInfo beanInfo = null;
    try {
        beanInfo = Introspector.getBeanInfo(entityClass);
    } catch (IntrospectionException e) {
        throw new MapperException(e);
    }
    PropertyDescriptor[] descriptors = beanInfo.getPropertyDescriptors();
    for (PropertyDescriptor desc : descriptors) {
        if (!"class".equals(desc.getName())) {
            entityFields.add(new EntityField(null, desc));
        }
    }
    return entityFields;
}

Source File: MapperTemplate.java From Mapper with MIT License

6 votes

/**
 * 获取返回值类型 - 实体类型
 *
 * @param ms
 * @return
 */
public Class<?> getEntityClass(MappedStatement ms) {
    String msId = ms.getId();
    if (entityClassMap.containsKey(msId)) {
        return entityClassMap.get(msId);
    } else {
        Class<?> mapperClass = getMapperClass(msId);
        Type[] types = mapperClass.getGenericInterfaces();
        for (Type type : types) {
            if (type instanceof ParameterizedType) {
                ParameterizedType t = (ParameterizedType) type;
                if (t.getRawType() == this.mapperClass || this.mapperClass.isAssignableFrom((Class<?>) t.getRawType())) {
                    Class<?> returnType = (Class<?>) t.getActualTypeArguments()[0];
                    //获取该类型后，第一次对该类型进行初始化
                    EntityHelper.initEntityNameMap(returnType, mapperHelper.getConfig());
                    entityClassMap.put(msId, returnType);
                    return returnType;
                }
            }
        }
    }
    throw new MapperException("无法获取 " + msId + " 方法的泛型信息!");
}

Source File: OGNL.java From Mapper with MIT License

6 votes

/**
 * 检查 paremeter 对象中指定的 fields 是否全是 null，如果是则抛出异常
 *
 * @param parameter
 * @param fields
 * @return
 */
public static boolean notAllNullParameterCheck(Object parameter, String fields) {
    if (parameter != null) {
        try {
            Set<EntityColumn> columns = EntityHelper.getColumns(parameter.getClass());
            Set<String> fieldSet = new HashSet<String>(Arrays.asList(fields.split(",")));
            for (EntityColumn column : columns) {
                if (fieldSet.contains(column.getProperty())) {
                    Object value = column.getEntityField().getValue(parameter);
                    if (value != null) {
                        return true;
                    }
                }
            }
        } catch (Exception e) {
            throw new MapperException(SAFE_DELETE_ERROR, e);
        }
    }
    throw new MapperException(SAFE_DELETE_EXCEPTION);
}

Source File: CountMapperProvider.java From BlogManagePlatform with Apache License 2.0

6 votes

/**
 * 批量删除
 * @author Frodez
 * @date 2019-12-25
 */
public String countByIds(MappedStatement ms) {
	final Class<?> entityClass = getEntityClass(ms);
	StringBuilder sql = new StringBuilder();
	sql.append(SqlHelper.selectCount(entityClass));
	sql.append(SqlHelper.fromTable(entityClass, tableName(entityClass)));
	Set<EntityColumn> columnList = EntityHelper.getPKColumns(entityClass);
	if (columnList.size() == 1) {
		EntityColumn column = columnList.iterator().next();
		sql.append(" where ");
		sql.append(column.getColumn());
		sql.append(" in ");
		sql.append("<foreach collection=\"ids\" item=\"item\" index=\"index\" open=\"(\" close=\")\" separator=\",\">");
		sql.append(" #{item} ");
		sql.append("</foreach>");
	} else {
		throw new MapperException("继承 deleteByIds 方法的实体类[" + entityClass.getCanonicalName() + "]中必须有且只有一个带有 @Id 注解的字段");
	}
	return sql.toString();
}

Source File: Example.java From Mapper with MIT License

5 votes

protected void addOrCriterion(String condition, Object value1, Object value2, String property) {
    if (value1 == null || value2 == null) {
        if (notNull) {
            throw new MapperException("Between values for " + property + " cannot be null");
        } else {
            return;
        }
    }
    if (property == null) {
        return;
    }
    criteria.add(new Criterion(condition, value1, value2, true));
}

Source File: SimpleTypeUtil.java From Mapper with MIT License

5 votes

/**
 * 注册新的类型
 *
 * @param classes
 */
public static void registerSimpleType(String classes){
    if(StringUtil.isNotEmpty(classes)){
        String[] cls = classes.split(",");
        for (String c : cls) {
            try {
                SIMPLE_TYPE_SET.add(Class.forName(c));
            } catch (ClassNotFoundException e) {
                throw new MapperException("注册类型出错:" + c, e);
            }
        }
    }
}

Source File: Example.java From Mapper with MIT License

5 votes

public Builder select(String... properties) {
    if (properties != null && properties.length > 0) {
        if (this.selectColumns == null) {
            this.selectColumns = new LinkedHashSet<String>();
        }
        for (String property : properties) {
            if (this.propertyMap.containsKey(property)) {
                this.selectColumns.add(propertyMap.get(property).getColumn());
            } else {
                throw new MapperException("当前实体类不包含名为" + property + "的属性!");
            }
        }
    }
    return this;
}

Source File: MapperHelper.java From Mapper with MIT License

5 votes

/**
 * 注册通用Mapper接口
 *
 * @param mapperClass
 */
public void registerMapper(String mapperClass) {
    try {
        registerMapper(Class.forName(mapperClass));
    } catch (ClassNotFoundException e) {
        log.error("注册通用Mapper[" + mapperClass + "]失败，找不到该通用Mapper!", e);
        throw new MapperException("注册通用Mapper[" + mapperClass + "]失败，找不到该通用Mapper!");
    }
}

Source File: Example.java From Mapper with MIT License

5 votes

protected void addOrCriterion(String condition, Object value, String property) {
    if (value == null) {
        if (notNull) {
            throw new MapperException("Value for " + property + " cannot be null");
        } else {
            return;
        }
    }
    if (property == null) {
        return;
    }
    criteria.add(new Criterion(condition, value, true));
}

Source File: MapperHelper.java From Mapper with MIT License

5 votes

/**
 * 配置属性
 *
 * @param properties
 */
public void setProperties(Properties properties) {
    config.setProperties(properties);
    //注册解析器
    if (properties != null) {
        String resolveClass = properties.getProperty("resolveClass");
        if (StringUtil.isNotEmpty(resolveClass)) {
            try {
                EntityHelper.setResolve((EntityResolve) Class.forName(resolveClass).newInstance());
            } catch (Exception e) {
                log.error("创建 " + resolveClass + " 实例失败!", e);
                throw new MapperException("创建 " + resolveClass + " 实例失败!", e);
            }
        }
    }
    //注册通用接口
    if (properties != null) {
        String mapper = properties.getProperty("mappers");
        if (StringUtil.isNotEmpty(mapper)) {
            String[] mappers = mapper.split(",");
            for (String mapperClass : mappers) {
                if (mapperClass.length() > 0) {
                    registerMapper(mapperClass);
                }
            }
        }
    }
}

tk.mybatis.mapper.MapperException Java Examples