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覆巢之下焉有完卵。出来道上混,迟早是要还的。

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数组去重复

2017-12-26 17:09:57| 分类： thinkphp | 标签： |举报 |字号大中小订阅

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//把已安装的主程序版本取出来，然后去掉重复

$main_ver_arr_new = array_unique($main_ver_arr);//数组去重复

$main_ver_str = implode(',', $main_ver_arr_new);//逗号分隔的主程序版本号

$dir_ids = $ProgramDirsModel->where(array('program_classid'=>$uuid))->getField('classid',true);

$dir_ids2 = M('ProgramsTrasharticles')->where(array('program_classid'=>$uuid))->getField('classid',true);

$new_dir_ids = array_unique(array_merge($dir_ids,$dir_ids2));

//同一字段不重复查询

$public_resolution_list = $rmfModel->field("distinct file_px")->where($publicwhere)->select();

//同一字段不重复查询

$Model->distinct(true)->field('name')->select();

生成的SQL语句是： SELECT DISTINCT name FROM think_user

distinct方法的参数是一个布尔值。

//同一字段不重复统计

$totals = $stuSignInModel->where($map)->field("COUNT(DISTINCT convert(VARCHAR(10),signIntime,120)) as total")->count();

$total = $totals[0]['total'];

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<#-- 网易新闻广告 --> <#--右边模块结构--> <#--评论模块结构--> <#--引用模块结构--> <#--博主发起的投票-->

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