- import java.io.File;
- import java.util.Arrays;
-
- public class FileName {
-
- /**
- * @param args
- */
- public static void main(String[] args) {
- // 举例:
- String fName =" G:\\Java_Source\\navigation_tigra_menu\\demo1\\img\\lev1_arrow.gif ";
-
- // 方法一:
-
- File tempFile =new File( fName.trim());
-
- String fileName = tempFile.getName();
-
- System.out.println("方法一:fileName = " + fileName);
-
- // 方法二:
-
- fName = fName.trim();
-
- // fileName = fName.substring(fName.lastIndexOf("/")+1);
- // 或者
- fileName = fName.substring(fName.lastIndexOf("\\")+1);
-
- System.out.println("方法二:fileName = " + fileName);
-
- // 方法三:
-
- fName = fName.trim();
-
- String temp[] = fName.split("\\\\"); /**split里面必须是正则表达式,"\\"的作用是对字符串转义*/
-
- //temp[] = [G:, Java_Source, navigation_tigra_menu, demo1, img, lev1_arrow.gif]
- System.out.println("temp[] = " + Arrays.toString(temp));
- fileName = temp[temp.length-1];
-
- System.out.println("方法三:fileName = " + fileName);
-
- }
-
- }
结果:
- 方法一:fileName = lev1_arrow.gif
- 方法二:fileName = lev1_arrow.gif
- temp[] = [G:, Java_Source, navigation_tigra_menu, demo1, img, lev1_arrow.gif]
- 方法三:fileName = lev1_arrow.gif
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