php编写app接口（二）-PHP生成XML数据-PHP Tutorial-php.cn

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php编写app接口（二）-PHP生成XML数据

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Jun 23, 2016 pm 01:24 PM

在Reponse.php文件中添加方法xml()；

public static function xml(){		header('Content-type: text/xml');		$xml = "<?xml version='1.0' encoding = 'UTF-8'?>\n";		$xml .="<root>\n";		$xml .="<code>200</code>\n";		$xml .="<message>数据返回成功</message>\n";		$xml .="<data>\n";		$xml .="<id>1</id>\n";		$xml .="<name>singwa</name>\n";		$xml .="</data>\n";		$xml .="</root>";				echo $xml;	}

xml()方法分析：1,生成XML有两种方法，一个是用系统API，还有一种是直接用字符串拼接。该方法就是用字符串进行拼接。
2,如果不添加header("Content-Type:text/xml");，则是下面的输出格式：

添加了header("Content-Type:text/xml");则会完整输出XML格式：

特别注意：必须保证header("Content-Type:text/xml")是执行的第一句，UTF-8的编码的情况下添加了header("Content-Type:text/xml")会报错，因为php文件保存uft8格式是会输出另外的空白字符，将输出xml流的php文件修改为ANSI格式的就好了。以下是test.php为UTF-8编码情况下的报错截图：

3，在test.php文件中添加代码：

<?php    require_once('./Response.php');    Response::xml();?>

浏览器中输入： http://localhost/test.php 就可以得到以下结果：

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