WebMar 1, 2024 · com.baomidou.mybatisplus.extension.service.impl 这个包中包含以下方法: - ServiceImpl() 构造方法 - boolean save(T entity) 保存一个实体，null的属性也会保存，不会使用数据库默认值 - boolean saveOrUpdate(T entity) 根据传入实体的ID，如果数据库存在ID，则更新记录；否则，插入一条新记录 - boolean removeById(Serializable id) 根据 ... WebSep 27, 2024 · Clean Code Tip: throw exceptions instead of returning null when there is no fallback. When you don’t have any fallback operation to manage null values (eg: retry pattern), you should throw an exception instead of returning null. You will clean up your code and make sure that, if something cannot be fixed, it gets caught as soon as possible.
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Web@Override public boolean saveOrUpdateIdempotency(T entity, DistributedLock lock, String lockKey, Wrapper countWrapper) throws Exception { return this.saveOrUpdateIdempotency(entity, lock, lockKey, countWrapper, null); } Example #28 Source File: SysBaseApiImpl.java From jeecg-cloud with Apache License 2.0 4 votes WebThrows: ISOException isSeparator public boolean isSeparator (byte b) pack protected void pack (org.jdom2.Element schema, java.lang.StringBuilder sb) throws org.jdom2.JDOMException, java.io.IOException, ISOException Throws: org.jdom2.JDOMException java.io.IOException ISOException unpack sandusky folding shopping cart
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