public void select(){
MySQLiteOpenHelp openhelp=new MySQLiteOpenHelp(getContext(), "ZHANGJIAN.db", null, 1);
SQLiteDatabase database = openhelp.getReadableDatabase();
/* distinct 剔除重复数据,true剔除,false不剔除;
* table 表名称;
* columns 显示的列名;
* selection 筛选规则;
* selectionArgs 筛选值;
* groupBy 分组;
* having 分组筛选;
* orderBy 排序;列名 asc自动升降序
* limit 分页;
*/
database.query(false,"wanghao",new String[]{"id","subject","teacher"}, "id=?", new String[]{"1"}, null, null, null, null);
}
数据库查询参数
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转载自blog.csdn.net/jian11058/article/details/81111745
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