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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title>CSS强制换行与强制不换行</title> <style> pre{ border:1px red solid; padding:10px;} </style> </head> <body> <pre> /* 禁止换行 */ .nowrap{word-break:keep-all;white-space:nowrap;} /* 强制换行 */ .break{word-break:break-all;} </pre> </body> </html>