Sharing of simple mock json script implemented in PHP_PHP tutorial

/**
* Mock Json for Javascript
*
* @author soulteary
* @date 2014-06-15
*/


/**
* Request interface field: character set
*/
define('charset','charset');

/**
* Request interface field: callback function name
*/
define('callback','callback');

/**
* Request interface fields: cross-domain fields
*/
define('crossDomain','cross-domain');


/**
* Output mock data
* If the mock.json file exists, the data is obtained from mock.js
*
* @return string
*/
functionmockData()
{
if(file_exists('mock.json')){
$data=json_decode(file_get_contents('mock.json'));
}else{
$data=Array(
'code'=>200,
'desc'=>'Get the default data.',
'login'=>true,
'data'=>Array(
'name'=>'test api.'
)
);
}
returnjson_encode($data);
}


/**
* Output character set, allowing results to be gbk, gb2312, utf-8
* If illegal or not set, output utf-8
*
* @return string
*/
functioncharset()
{
$ret='utf-8';
if(empty($_REQUEST[charset])){
return$ret;
}else{
$charset=strtolower($_REQUEST[charset]);
if(in_array($charset,array('gbk','gb2312'),true)){
return$charset;
}else{
return$ret;
}
}
}


/**
* Assemble json data
*
* @return string
*/
functionjsonGenerator()
{
if(!empty($_REQUEST[callback])){
header('Content-Type: application/javascript; charset='.charset());
return$_REQUEST[callback]."(".mockData().");";
}else{
if(!empty($_REQUEST[crossDomain])){
header("Access-Control-Allow-Origin: *");
};
header('Content-type: application/json; charset='.charset());
returnmockData();
}
}

/**
* Output results
*/
die(jsonGenerator());

If you don’t want to change the data object in php and find it troublesome, then just change the json directly. You may ask, then why don’t I access a json directly? Answer:

1. You may need a callback to wrap this result;
2. You may expect this json to allow cross-domain requests;
3. You may expect that this json can be customized with header encoding...

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