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redkale
2024-01-23 23:09:57 +08:00
parent cd39b484f5
commit 2d80646cc4
1 changed files with 4 additions and 4 deletions
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docs/datasource.md
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@@ -130,17 +130,17 @@ public class Account {
  修改实体对象：   修改实体对象：
```java ```java
//更新单个字段 //根据主键更新单个字段
source.updateColumn(Account.class, "account1", Account::getRemark, "新备注"); source.updateColumn(Account.class, "account1", Account::getRemark, "新备注");
//更新多个字段 //根据主键更新多个字段
//等价sql: UPDATE t_account SET account_name='新名称', remark='新备注', age=age+2 WHERE account_id='account1'; //等价sql: UPDATE t_account SET account_name='新名称', remark='新备注', age=age+2 WHERE account_id='account1';
source.updateColumn(Account.class, "account1", source.updateColumn(Account.class, "account1",
ColumnValue.set(Account::getAccountName, "新名称"), ColumnValue.set(Account::getAccountName, "新名称"),
ColumnValue.set(Account::getRemark, "新备注"), ColumnValue.set(Account::getRemark, "新备注"),
ColumnValue.inc(Account::getAge, 2)); //年龄+2 ColumnValue.inc(Account::getAge, 2)); //年龄+2
//更新多个字段 //根据主键更新多个字段
Account account = new Account(); Account account = new Account();
account.setAccountid("account1"); account.setAccountid("account1");
account.setAccountName("新名称"); account.setAccountName("新名称");
@@ -150,7 +150,7 @@ public class Account {
//等价sql: UPDATE t_account SET account_name='新名称', remark='新备注' WHERE account_id='account1'; //等价sql: UPDATE t_account SET account_name='新名称', remark='新备注' WHERE account_id='account1';
source.updateColumn(account, Account::getAccountName, Account::getRemark); source.updateColumn(account, Account::getAccountName, Account::getRemark);
//更新整个对象 //根据主键更新整个对象
Account one = new Account(); Account one = new Account();
one.setAccountid("account1"); one.setAccountid("account1");
one.setAccountName("Hello1"); one.setAccountName("Hello1");