语法

where('字段名','表达式','查询条件');

表达式列表

示例

where('id','eq',100);
where('id','=',100);
where('id',100);

where('id','neq',100);
where('id','<>',100);

where('id','gt',100);
where('id','>',100);

where('id','egt',100);
where('id','>=',100);

where('id','lt',100);
where('id','<',100);

where('id','elt',100);
where('id','<=',100);

where('name','like','thinkphp%');
where('name','like',['%think','php%'],'OR');

where('id','between','1,8');
where('id','between',[1,8]);

where('id','not in','1,5,8');
where('id','not in',[1,5,8]);

where('name', null);
where('title','null');
where('name','not null');

where('title','=', 'null');
where('name','=', 'not null');

where('id','in','1,3,8');
where('id','exp',' IN (1,3,8) ');