word-wrap: break-word word-break: break-all;

word-break: break-word;根据空格断词处理,超过换行
word-wrap: break-word;根据空格断词处理,超过换行
word-break: break-all;不根据空格断词处理，超过长度强行换行

word-break，控制单词如何被拆分换行。它有三个值：normal | break-all | keep-all

word-wrap（overflow-wrap）控制长度超过一行的单词是否被拆分换行，是word-break的补充，它有两个值：normal | break-word