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                # 指定單查詢條件 --- > ``where()``方法需要傳入三個參數 * 第一個參數代表指定限制的字段 如:``age`` * 第二個參數代表限制條件 如:``=`` ``>`` ``<`` ,如果是 ``=`` 可以省略不寫 * 第三個參數代表限制字段對應的值 如:``10`` <br> ``` this.Db('user').where('age','>',10).select() ``` # 指定多查詢條件 --- > 可以通過鏈式操作的方式指定多查詢條件 ``` this.Db('user') .where('age','>',10) .where('gender','=',1) .where('status',2) .select() ``` 最終的SQL語句為 ``` SELECT * FROM `user` WHERE `age` = 10 AND `gender` = 1 AND `status` = 2 ``` # 條件對照表 --- | 條件 | 說明 | | ---- | ---- | | = | 相等 | | <> | 不等于 | | > | 大于 | | >= | 大于等于 | | < | 小于 | | <= | 小于等于 | | in | 包含 | | not in | 不包含 | | like | 模糊查詢 |
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