ScriptCase中的全局变量、局部变量
在做一套应用的时候,有时候需要用到全局变量,比如:登录成功后就将用户名保存下来,然后在每一个页面里都可以使用(比如,使用用户名对用户能看到的数据进行过滤)。这个时候,需要用到全局变量。
Scriptcase的全局变量标记为: [varname]。
比如,在登录的时候,验证通过后可以将用户填写的用户名保存到[usr_login]里面,以后只要在系统里面的应用里都可以使用,无论是代码里,还是在配置功能里。
在某一个列表上,我们可能希望只显示当前用户的数据,那么,其SQL语句就可以配置成:
SELECT filename1, fieldname2 FROM table1 WHERE login='[usr_login]'
系统会读取该全局变量,如果登录失效,会提示用户重新登录。
如果是定义在当前函数中使用的变量,则可以直接用 $varname就可以了。
对于字段,则可以用 {fieldname} 来进行存取。比如,我们希望将用户设置的密码用MD5加密后保存到数据库,就可以写成这样的形式:
{password} = md5({password});
大括号还有一种应用情况就是对于多语言的翻译,只要定义好语言标签,就可以直接在代码中使用,如:
{errormessage} = {lang_message_inserterror};
你可以在『语言设置—区域语言』里面设置不同语言所对应的字符,这样系统就可以支持多语言了。

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