xml简述（游戏的数据调用）
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受人之托，今天来讲讲xml的应用，由于上班没有电脑，暂时无法发图，所以先大概讲讲，如果有需要以后在补上一些教程。
xml配置文件是用来解决基础数据调用的，你也可以当做一个数据库来用。因为xml是树状结构的，所以可以十分方便的通过路径分支查找到我们需要的数据，而且后期维护十分方便。
我先举个例子吧，RPG里面打怪掉落什么物品，在xml里面就能很好的解决这个问题。首先我们先建立一个简单的xml结构：
1.先建立一个怪物根目录
<怪物>
</怪物>
2.然后建立一个怪物的分支
<怪物>
<史莱姆>
</史莱姆>
</怪物>
3.接着建立怪物的掉落物品
<怪物>
<史莱姆>
<掉落物品>金币</掉落物品>
<掉落数量>100</掉落数量>
</史莱姆>
</怪物>
4.假如我们在游戏里面如果杀死了一只怪物，我们用一个变量保存这个怪物的名称，接着使用xml.strvalue("怪物/"&变量&"/掉落物品")就可以获取这个字符型数据：金币，然后使用xml.numvalue（"怪物/"&变量&"/掉落数量"）就可以获取这个数值型数据：100，是不是特别简单，只需要获取名称，就能通过树状结构随意调取数据，这个就是xml的优势。
手机打字不容易，下次在讲了。
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来帮帮我，解析不到1，0数据
