//递增
User::where(['id'=>1])->increment('stock');
//指定增量
User::where(['id'=>1])->increment('stock',2);
//递减
User::where(['id'=>1])->decrement('stock');
//指定减量
User::where(['id'=>1])->decrement('stock',2);
本文介绍了在数据库中对特定用户ID的库存字段进行增减操作的方法,包括递增、指定增量、递减及指定减量的具体实现方式。
//递增
User::where(['id'=>1])->increment('stock');
//指定增量
User::where(['id'=>1])->increment('stock',2);
//递减
User::where(['id'=>1])->decrement('stock');
//指定减量
User::where(['id'=>1])->decrement('stock',2);
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