在where子句中,我们可以使用and和or来组合多个条件。例如: 代码语言:php 复制 $this->db->select('*'); $this->db->from('table1'); $this->db->join('table2', 'table1.id = table2.id'); $this->db->where('table1.name', 'John'); $this->db->or_where('table1.age', 30); $...
"(FirstName='Tove' OR FirstName='Ola' OR Gender='M' OR Country='India')"
publicfunctionwhere($key,$value=NULL,$escape=NULL){return$this->_wh('qb_where',$key,$value,'AND ',$escape);} 可以看到对where的参数还是解析到一个特定数组中去了,所以很肯定了,其他方法也是着这种类似抽象语法树的方式解析参数的 注意:后两种相对前两种没有第二个参数,对于和where,or_where 等相关...
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Once authenticated, you could add their username and e-mail address to the session, making that data globally available to you without having to run a database query when you need it. You can simply assign data to the $_SESSION array, as with any other variable. Or as a property of $...
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If your query has more than one row, it returns the current row and moves the internal data pointer ahead. <?php $query = $db->query('YOUR QUERY'); while ($row = $query->getUnbufferedRow()) { echo $row->title; echo $row->name; echo $row->body; } For use with MySQLi ...
if(!$this->db->simple_query('SELECT `example_field` FROM `example_table`')){$error=$this->db->error();// Has keys 'code' and 'message'} 生成查询结果: 有专门的类来自于DB_result.php 具体详见:源码或者相关网站http://codeigniter.org.cn/user_guide/database/results.html ...
$where = "name='Joe' AND status='boss' OR status='active'"; ->where($where);---根据自定义的sql模式的where语句进行筛选 ->like('title', 'match', 'before');---模糊匹配,第三个参数可选,不选的话就是下面第三种情况,%match ->like('title', 'match', 'after');---模糊匹配,match% ...
where() 这个也不用多解释了,传的查询条件。可以写多个比如where('c.channelTag = :tag AND c.channelId = :id')当然,如果不想这样写的话还可以通过andWhere()方法来设置条件。 orWhere() 与上面一样,用过*CodeIgniter*框架的应该都知道吧,用法都差不多,得配合where()方法使用 ...