本文主要是介绍各种类型文件的Content-Type，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
介绍
Content-Type，即内容类型，一般是指网页中存在的Content-Type，用于定义网络文件的类型和网页的编码，决定文件接收方将以什么形式、什么编码读取这个文件，这就是经常看到一些Asp网页点击的结果却是下载到的一个文件或一张图片的原因。
ContentType属性指定响应的 HTTP内容类型。如果未指定 ContentType，默认为TEXT/HTML。
protected HttpServletResponse res() {HttpServletResponse response = ServletActionContext.getResponse();response.setCharacterEncoding("utf-8");response.setContentType("text/html;charset=utf-8");return response;
}Spring MVC中具体运用，点击导出PDF文件：
response.setCharacterEncoding("utf-8");
response.setContentType("application/pdf");
What are the Microsoft Office MIME Types?
| Ext | MIME Type |
| .doc | application/msword |
| .dot | application/msword |
| .docx | application/vnd.openxmlformats-officedocument.wordprocessingml.document |
| .dotx | application/vnd.openxmlformats-officedocument.wordprocessingml.template |
| .docm | application/vnd.ms-word.document.macroEnabled.12 |
| .dotm | application/vnd.ms-word.template.macroEnabled.12 |
| .xls | application/vnd.ms-excel |
| .xlt | application/vnd.ms-excel |
| .xla | application/vnd.ms-excel |
| .xlsx | application/vnd.openxmlformats-officedocument.spreadsheetml.sheet |
| .xltx | application/vnd.openxmlformats-officedocument.spreadsheetml.template |
| .xlsm | application/vnd.ms-excel.sheet.macroEnabled.12 |
| .xltm | application/vnd.ms-excel.template.macroEnabled.12 |
| .xlam | application/vnd.ms-excel.addin.macroEnabled.12 |
| .xlsb | application/vnd.ms-excel.sheet.binary.macroEnabled.12 |
| .ppt | application/vnd.ms-powerpoint |
| .pot | application/vnd.ms-powerpoint |
| .pps | application/vnd.ms-powerpoint |
| .ppa | application/vnd.ms-powerpoint |
| .pptx | application/vnd.openxmlformats-officedocument.presentationml.presentation |
| .potx | application/vnd.openxmlformats-officedocument.presentationml.template |
| .ppsx | application/vnd.openxmlformats-officedocument.presentationml.slideshow |
| .ppam | application/vnd.ms-powerpoint.addin.macroEnabled.12 |
| .pptm | application/vnd.ms-powerpoint.presentation.macroEnabled.12 |
| .potm | application/vnd.ms-powerpoint.template.macroEnabled.12 |
| .ppsm | application/vnd.ms-powerpoint.slideshow.macroEnabled.12 |
参考文档：
1. http://qd5.iteye.com/blog/1564040
2. http://filext.com/faq/office_mime_types.php
3. http://tool.oschina.net/commons
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