小编Rag*_*hav的帖子

tracert返回请求的超时时间.我从中理解的是数据包丢失了网络上的某些位置.

这是否意味着问题出在ISP或托管服务提供商或我的Windows系统上？

10     *        *        *     Request timed out.
11     *        *        *     Request timed out.
12     *        *        *     Request timed out.
13     *        *        *     Request timed out.
14     *        *        *     Request timed out.
15     *        *        *     Request timed out.
16     *        *        *     Request timed out.
17     *        *        *     Request timed out.
18     *        *        *     Request timed out.
19     *        *        *     Request timed out.
20     *        *        *     Request timed out.
21 …

如果我要以windows-1252格式对数据进行编码并将其写入文件,那么如何在java中设置内容类型？