摘要：
p.test {word-wrap:break-word;}‘normal’Lines may break only at allowed break points. However, the restrictions introduced by ‘word-break: keep-all’ may be relaxed to match ‘word-break: normal’ if there are no otherwise-acceptable break points in the line.‘break-word’An unbreakable "word" ma 阅读全文
摘要：
The simple statement 'print' with no items is equivalent to 'print $0': it prints the entire current record. To print a blank line, use 'print ""', where "" is the empty string. To print a fixed piece of text, use a string constant, such as "Don't 阅读全文