批改状态:合格
老师批语:
循环的市区
$arr = [['area_id' => 110000,'area_pid' => 0,'area_name' => '北京','lng' => 116.405,'lat' => 39.905,'son' => [['area_id' => 110100,'area_pid' => 110000,'area_name' => '北京市','lng' => 116.405,'lat' => 39.905,'son' => [['area_id' => 110101,'area_pid' => 110100,'area_name' => '东城区','lng' => 116.41,'lat' => 39.9316],['area_id' => 110102,'area_pid' => 110100,'area_name' => '西城区','lng' => 116.36,'lat' => 39.9305],['area_id' => 110105,'area_pid' => 110100,'area_name' => '朝阳区','lng' => 116.485,'lat' => 39.9484],['area_id' => 110106,'area_pid' => 110100,'area_name' => '丰台区','lng' => 116.286,'lat' => 39.8585],['area_id' => 110107,'area_pid' => 110100,'area_name' => '石景山区','lng' => 116.223,'lat' => 39.9056],['area_id' => 110108,'area_pid' => 110100,'area_name' => '海淀区','lng' => 116.298,'lat' => 39.9593],['area_id' => 110109,'area_pid' => 110100,'area_name' => '门头沟区','lng' => 116.101,'lat' => 39.9404],['area_id' => 110111,'area_pid' => 110100,'area_name' => '房山区','lng' => 116.143,'lat' => 39.7479],['area_id' => 110112,'area_pid' => 110100,'area_name' => '通州区','lng' => 116.657,'lat' => 39.9097],['area_id' => 110113,'area_pid' => 110100,'area_name' => '顺义区','lng' => 116.654,'lat' => 40.1302],['area_id' => 110114,'area_pid' => 110100,'area_name' => '昌平区','lng' => 116.231,'lat' => 40.2207],['area_id' => 110115,'area_pid' => 110100,'area_name' => '大兴区','lng' => 116.341,'lat' => 39.7267],['area_id' => 110116,'area_pid' => 110100,'area_name' => '怀柔区','lng' => 116.632,'lat' => 40.316],['area_id' => 110117,'area_pid' => 110100,'area_name' => '平谷区','lng' => 117.121,'lat' => 40.1406],['area_id' => 110228,'area_pid' => 110100,'area_name' => '密云县','lng' => 116.843,'lat' => 40.3762],['area_id' => 110229,'area_pid' => 110100,'area_name' => '延庆县','lng' => 115.975,'lat' => 40.4567]]]]],
foreach($arr as $k =>$v){// print_r($v);//打印变量echo 'id:'.$v['area_id'].'--'.'省份名:'.$v['area_name'].'--'.'精度:'.$v['lng'].'--'.'维度:'.$v['lat'];// print_r($v['son']);echo'<br>';foreach($v['son'] as $kk => $vv){echo 'id:'.$vv['area_id'].'--'.'城市名:'.$vv['area_name'].'--'.'精度:'.$vv['lng'].'--'.'维度:'.$vv['lat'];echo'<br>';foreach($vv['son'] as $kkk => $vvv){echo 'id:'.$vvv['area_id'].'--'.'区名:'.$vvv['area_name'].'--'.'精度:'.$vvv['lng'].'--'.'维度:'.$vvv['lat'];echo'<br>';}}exit; // exit;停止代码,不往下进行}?>
输出效果
id:110000--省份名:北京--精度:116.405--维度:39.905id:110100--城市名:北京市--精度:116.405--维度:39.905id:110101--区名:东城区--精度:116.41--维度:39.9316id:110102--区名:西城区--精度:116.36--维度:39.9305id:110105--区名:朝阳区--精度:116.485--维度:39.9484id:110106--区名:丰台区--精度:116.286--维度:39.8585id:110107--区名:石景山区--精度:116.223--维度:39.9056id:110108--区名:海淀区--精度:116.298--维度:39.9593id:110109--区名:门头沟区--精度:116.101--维度:39.9404id:110111--区名:房山区--精度:116.143--维度:39.7479id:110112--区名:通州区--精度:116.657--维度:39.9097id:110113--区名:顺义区--精度:116.654--维度:40.1302id:110114--区名:昌平区--精度:116.231--维度:40.2207id:110115--区名:大兴区--精度:116.341--维度:39.7267id:110116--区名:怀柔区--精度:116.632--维度:40.316id:110117--区名:平谷区--精度:117.121--维度:40.1406id:110228--区名:密云县--精度:116.843--维度:40.3762id:110229--区名:延庆县--精度:115.975--维度:40.4567
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