IE保存docx xlsx变成zip的问题
伟大的Microsoft迄今为止还没有修复这个bug，自作多情的把自己发明的docx，xlsx等格式保存成zip文件，虽然那些文件的实质就是zip，但是绝不能容忍IE下载文件时把它们当做zip，总不能告诉用户让他们自己把下载好的文件改回docx或xlsx后缀吧，麻烦。修复很简单，只需要在Apache的httpd.conf里添加额外的MIME types信息然后重启即可。
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AddType application/vnd.ms-word.document.macroEnabled.12 .docm
AddType application/vnd.openxmlformats .docx .pptx .xlsx
AddType application/vnd.openxmlformats-officedocument.presentationml.presentation .pptx
AddType application/vnd.openxmlformats-officedocument.spreadsheetml.sheet .xlsx
AddType application/vnd.openxmlformats-officedocument.wordprocessingml.document .docx
AddType application/vnd.ms-word.template.macroEnabled.12 .dotm
AddType application/vnd.openxmlformats-officedocument.wordprocessingml.template .dotx
AddType application/vnd.ms-powerpoint.template.macroEnabled.12 .potm
AddType application/vnd.openxmlformats-officedocument.presentationml.template .potx
AddType application/vnd.ms-powerpoint.addin.macroEnabled.12 .ppam
AddType application/vnd.ms-powerpoint.slideshow.macroEnabled.12 .ppsm
AddType application/vnd.openxmlformats-officedocument.presentationml.slideshow .ppsx
AddType application/vnd.ms-powerpoint.presentation.macroEnabled.12 .pptm
AddType application/vnd.ms-excel.addin.macroEnabled.12 .xlam
AddType application/vnd.ms-excel.sheet.binary.macroEnabled.12 .xlsb
AddType application/vnd.ms-excel.sheet.macroEnabled.12 .xlsm
AddType application/vnd.ms-excel .xlt .xla
AddType application/vnd.openxmlformats-officedocument.spreadsheetml.template .xltx
AddType application/vnd.ms-excel.template.macroEnabled.12 .xltm
AddType application/vnd.ms-xpsdocument .xps
AddType application/application/vnd.ms-powerpoint .ppt .pot .pps .ppa
AddType application/msword .doc .dot
