使用php从mysql检索json
我是安卓系统的新手，正在学习本教程 我想以相同的格式生成json 我该怎么做？ 这就是我所做的 使用预标记使用php从mysql检索json,php,mysql,json,mysqli,android-volley,Php,Mysql,Json,Mysqli,Android Volley,我是安卓系统的新手，正在学习本教程 我想以相同的格式生成json 我该怎么做？ 这就是我所做的 使用预标记 <pre> <?php print_r($data); ?> </pre> 或 您应该将结果包含在一个键中 例如： { "feed": [ { "id": 1, "name": "National Geographic Channel", "image": "http://api.andr
<pre>
<?php print_r($data); ?>
</pre>
您应该将结果包含在一个键中 例如：
{
"feed": [
{
"id": 1,
"name": "National Geographic Channel",
"image": "http://api.androidhive.info/feed/img/cosmos.jpg",
"status": "\"Science is a beautiful and emotional human endeavor,\" says Brannon Braga, executive producer and director. \"And Cosmos is all about making science an experience.\"",
"profilePic": "http://api.androidhive.info/feed/img/nat.jpg",
"timeStamp": "1403375851930",
"url": null
},
{
"id": 2,
"name": "TIME",
"image": "http://api.androidhive.info/feed/img/time_best.jpg",
"status": "30 years of Cirque du Soleil's best photos",
"profilePic": "http://api.androidhive.info/feed/img/time.png",
"timeStamp": "1403375851930",
"url": "http://ti.me/1qW8MLB"
},
{
"id": 5,
"name": "Abraham Lincoln",
"image": null,
"status": "That some achieve great success, is proof to all that others can achieve it as well",
"profilePic": "http://api.androidhive.info/feed/img/lincoln.jpg",
"timeStamp": "1403375851930",
"url": null
},
{
"id": 3,
"name": "Discovery",
"image": "http://api.androidhive.info/feed/img/discovery_mos.jpg",
"status": "A team of Austrian scientists has developed a laser system that causes fruit flies to dance.",
"profilePic": "http://api.androidhive.info/feed/img/discovery.jpg",
"timeStamp": "1403375851930",
"url": "http://dsc.tv/xmMxD"
},
{
"id": 4,
"name": "Ravi Tamada",
"image": "http://api.androidhive.info/feed/img/nav_drawer.jpg",
"status": "Android Sliding Menu using Navigation Drawer",
"profilePic": "http://api.androidhive.info/feed/img/ravi_tamada.jpg",
"timeStamp": "1403375851930",
"url": "http://www.androidhive.info/2013/11/android-sliding-menu-using-navigation-drawer/"
},
{
"id": 6,
"name": "KTM",
"image": "http://api.androidhive.info/feed/img/ktm_1290.jpg",
"status": "\"The Beast\" KTM 1290 Super Duke",
"profilePic": "http://api.androidhive.info/feed/img/ktm.png",
"timeStamp": "1403375851930",
"url": ""
},
{
"id": 7,
"name": "Harley-Davidson",
"image": "http://api.androidhive.info/feed/img/harley_bike.jpg",
"status": "We’re assembling riders of every style, bike, and passion. If you ride with conviction, ride with us. You have 24 days to get ready for World Ride. Prepare by visiting:",
"profilePic": "http://api.androidhive.info/feed/img/harley.jpg",
"timeStamp": "1403375851930",
"url": "http://bit.ly/1wmBWaN"
},
{
"id": 8,
"name": "Rock & Girl",
"image": "http://api.androidhive.info/feed/img/rock.jpg",
"status": "A long time back...",
"profilePic": "http://api.androidhive.info/feed/img/rock_girl.jpg",
"timeStamp": "1403375851930",
"url": ""
},
{
"id": 8,
"name": "Gandhi",
"image": null,
"status": "An eye for an eye will make the whole world blind.",
"profilePic": "http://api.androidhive.info/feed/img/gandhi.jpg",
"timeStamp": "1403375851930",
"url": ""
},
{
"id": 9,
"name": "LIFE",
"image": "http://api.androidhive.info/feed/img/life_photo.jpg",
"status": "In 1965, LIFE photographer Bill Ray spent weeks with the Hells Angels, but his amazing photos never ran in the magazine",
"profilePic": "http://api.androidhive.info/feed/img/life.jpg",
"timeStamp": "1403375851930",
"url": "http://ti.me/1rfcQa4"
},
{
"id": 10,
"name": "Shakira",
"image": "http://api.androidhive.info/feed/img/shakira_la_la.png",
"status": "Download La La La (Brazil 2014) from iTunes:",
"profilePic": "http://api.androidhive.info/feed/img/shakira.jpg",
"timeStamp": "1403375851930",
"url": "http://smarturl.it/FWCalbum?IQid=sh"
},
{
"id": 11,
"name": "A. R. rahman",
"image": "http://api.androidhive.info/feed/img/ar_bw.jpg",
"status": "",
"profilePic": "http://api.androidhive.info/feed/img/ar.jpg",
"timeStamp": "1403375851930",
"url": ""
}
]
我已经设法使它起作用了 我在服务器中创建了一个文件，并将其命名为feed.json，然后将此代码放在 } 一切都很顺利。
谢谢。我想要一个能够检索此类数据的php示例文件。请发布生成JSON的代码，解释您的期望（“相同格式”太模糊）。谢谢
$shops = [['name'=>'teo'],['name'=>'pio']];
$result = ['shops'=>$shops];
echo json_encode($result);
{"shops":[{"name":"teo"},{"name":"pio"}]}
{
"feed": [
{
"id": 1,
"name": "National Geographic Channel",
"image": "http://api.androidhive.info/feed/img/cosmos.jpg",
"status": "\"Science is a beautiful and emotional human endeavor,\" says Brannon Braga, executive producer and director. \"And Cosmos is all about making science an experience.\"",
"profilePic": "http://api.androidhive.info/feed/img/nat.jpg",
"timeStamp": "1403375851930",
"url": null
},
{
"id": 2,
"name": "TIME",
"image": "http://api.androidhive.info/feed/img/time_best.jpg",
"status": "30 years of Cirque du Soleil's best photos",
"profilePic": "http://api.androidhive.info/feed/img/time.png",
"timeStamp": "1403375851930",
"url": "http://ti.me/1qW8MLB"
},
{
"id": 5,
"name": "Abraham Lincoln",
"image": null,
"status": "That some achieve great success, is proof to all that others can achieve it as well",
"profilePic": "http://api.androidhive.info/feed/img/lincoln.jpg",
"timeStamp": "1403375851930",
"url": null
},
{
"id": 3,
"name": "Discovery",
"image": "http://api.androidhive.info/feed/img/discovery_mos.jpg",
"status": "A team of Austrian scientists has developed a laser system that causes fruit flies to dance.",
"profilePic": "http://api.androidhive.info/feed/img/discovery.jpg",
"timeStamp": "1403375851930",
"url": "http://dsc.tv/xmMxD"
},
{
"id": 4,
"name": "Ravi Tamada",
"image": "http://api.androidhive.info/feed/img/nav_drawer.jpg",
"status": "Android Sliding Menu using Navigation Drawer",
"profilePic": "http://api.androidhive.info/feed/img/ravi_tamada.jpg",
"timeStamp": "1403375851930",
"url": "http://www.androidhive.info/2013/11/android-sliding-menu-using-navigation-drawer/"
},
{
"id": 6,
"name": "KTM",
"image": "http://api.androidhive.info/feed/img/ktm_1290.jpg",
"status": "\"The Beast\" KTM 1290 Super Duke",
"profilePic": "http://api.androidhive.info/feed/img/ktm.png",
"timeStamp": "1403375851930",
"url": ""
},
{
"id": 7,
"name": "Harley-Davidson",
"image": "http://api.androidhive.info/feed/img/harley_bike.jpg",
"status": "We’re assembling riders of every style, bike, and passion. If you ride with conviction, ride with us. You have 24 days to get ready for World Ride. Prepare by visiting:",
"profilePic": "http://api.androidhive.info/feed/img/harley.jpg",
"timeStamp": "1403375851930",
"url": "http://bit.ly/1wmBWaN"
},
{
"id": 8,
"name": "Rock & Girl",
"image": "http://api.androidhive.info/feed/img/rock.jpg",
"status": "A long time back...",
"profilePic": "http://api.androidhive.info/feed/img/rock_girl.jpg",
"timeStamp": "1403375851930",
"url": ""
},
{
"id": 8,
"name": "Gandhi",
"image": null,
"status": "An eye for an eye will make the whole world blind.",
"profilePic": "http://api.androidhive.info/feed/img/gandhi.jpg",
"timeStamp": "1403375851930",
"url": ""
},
{
"id": 9,
"name": "LIFE",
"image": "http://api.androidhive.info/feed/img/life_photo.jpg",
"status": "In 1965, LIFE photographer Bill Ray spent weeks with the Hells Angels, but his amazing photos never ran in the magazine",
"profilePic": "http://api.androidhive.info/feed/img/life.jpg",
"timeStamp": "1403375851930",
"url": "http://ti.me/1rfcQa4"
},
{
"id": 10,
"name": "Shakira",
"image": "http://api.androidhive.info/feed/img/shakira_la_la.png",
"status": "Download La La La (Brazil 2014) from iTunes:",
"profilePic": "http://api.androidhive.info/feed/img/shakira.jpg",
"timeStamp": "1403375851930",
"url": "http://smarturl.it/FWCalbum?IQid=sh"
},
{
"id": 11,
"name": "A. R. rahman",
"image": "http://api.androidhive.info/feed/img/ar_bw.jpg",
"status": "",
"profilePic": "http://api.androidhive.info/feed/img/ar.jpg",
"timeStamp": "1403375851930",
"url": ""
}
]