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我只是想说....楼主你要把资料看全阿....你图里的31^4中的4只是一个上标而已,在资料下面有1~4的说明....
我来贴一下内容...
1 Allows lower case for general text unless on a special layer where it may adhere to more restrictive rules; for example, many layers show Refdes.
2 File names adhere to operating systems restrictions except if they are stored in the database, where they assume the least common denominator. For example, a .psm file becomes a package symbol in the database so its least common denominator is the package name restriction. Spaces in the name are not supported. It is strongly suggested that you use lower case, especially for those names stored in the tool database.
3 Directory names follow operating system limitations. The layout editor supports spaces in directory names on Windows.
4 The default maximum number of characters is 31. You can set the initial length for new designs to a maximum length of 255 by using the allegro_long_name_size environment variable (choose Setup - User Preferences (enved command)). You can change the size in existing designs by choosing Setup - Design Parameters (prmed command) and specifying a new maximum for the Long Name Size parameter in the Design tab.
已经说了很清楚了,就是限制值就是31啊。。 |
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