WirelessLink

一般比较复杂的业务场景会用到json嵌套，通过json_decode将json格式数据转换为数组格式后，该如何调用呢？

$RG_array = json_decode($json_body,true);

//-debug code
/*echo’参数RG_array’;
var_dump($RG_array);
*/

1>先通过var_dump函数将数组变量打印出来，进行格式化操作后得到如下的数组

array(7) {
[“authenticationResultCode”]=> string(16) “ValidCredentials”
[“brandLogoUri”]=> string(56) “http://xxx”
[“copyright”]=> string(247) “Copyright © 2022 ”
[“resourceSets”]=> array(1) {
     [0]=> array(2) {
[“estimatedTotal”]=> int(1)
                [“resources”]=> array(1) {
                [0]=> array(9) {
[“__type”]=> string(61) “xxxx”
[“bbox”]=> array(4) {
[0]=> float(xxxx.xx)
[1]=> float(xxxx.xx)
}

[“name”]=> string(56) “xxxxxx”
[“point”]=> array(2) {
[“type”]=> string(5) “Point”
[“coordinates”]=> array(2) {
[0]=> float(xxxx.xx)
[1]=> float(xxxx.xx)
}
}

[“address”]=> array(6) {
[“addressLine”]=> string(13) “xxxx”
[“adminDistrict”]=> string(8) “xxxx”
[“adminDistrict2”]=> string(8) “xxxx”
[“countryRegion”]=> string(5) “xxxx”
[“formattedAddress”]=> string(56) “xxxx”
[“locality”]=> string(15) “xxxx”
}

[“confidence”]=> string(4) “High”
[“geocodePoints”]=> array(1) {
[0]=> array(4) {
[“type”]=> string(5) “Point”
[“coordinates”]=> array(2) {
[0]=> float(xxxx.xx)
[1]=> float(xxxx.xx)
}
[“calculationMethod”]=> string(7) “Rooftop”
[“usageTypes”]=> array(1) {
[0]=> string(7) “Display”
}
}
}

[“matchCodes”]=> array(1) {
[0]=> string(4) “Good”
}
}
}
}
}

[“statusCode”]=> int(200)
[“statusDescription”]=> string(2) “OK”
[“traceId”]=> string(51) “xxxx|CO00004BC9|0.0.0.1”
}

2> 定义数组提取参数。以上面的参数为例，这里我们想提取数组里面的formattedAddress 参数值

//详细地址信息数组.一维数组.注意json大括号前面的键值0
$local_regeocode=$RG_array[‘resourceSets’][0];
//详细地址信息的数组.二维数组
$resources= $local_regeocode[‘resources’][0];
$address = $resources[‘address’];
//已经格式化后的数据.三位数组
$real_address =$address[‘formattedAddress’];

结束。