Thursday, February 9, 2012 3:07

Java中replaceAll和split中的反斜杠

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Posted by on Friday, February 27, 2009, 16:46
This news item was posted in Java category and has 0 Comments so far.

Java中处理一些路径相关的问题的时候,如要取出ie浏览器上传文件的文件名,由于ie会把整个文件路径都作为文件名上传,需要用java.lang.String中的replaceAll或者split来处理。如:

String temp[] = name.split(“\\\\”);
if (temp.length > 1) {
name = temp[temp.length - 1];
}

regex\\\\,因为在java\\表示一个\,而regex\\也表示\,所以当\\\\解析成regex的时候为\\。由于unixfile.separator为斜杠“/”,下面这段代码可以处理windowsunix下的所有情况:

String temp[] = name.replaceAll(“\\\\”,”/”).split(“/”);
if (temp.length > 1) {
    name = temp[temp.length - 1];
}

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