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- try
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- java.io.File outdir = new java.io.File(解压到的路径);/ O3 \" i+ B5 }, Z4 T0 k3 I0 b/ K
- java.util.zip.ZipInputStream zin = new java.util.zip.ZipInputStream(new java.io.FileInputStream(zip文件的路径));# H" N" v' } Q- G7 ~5 r2 |3 c
- java.util.zip.ZipEntry entry;
) @$ e% z$ L' t - String name, dir;5 c: y0 p5 i7 G: C! M
- while ((entry = zin.getNextEntry()) != null)
# y8 Z$ a: U5 A/ t - {
/ l) d2 Z0 A" F( v" q) G4 M6 k. h - name = entry.getName();2 }* X4 X% f6 N, e: F* q8 G" [
- if(entry.isDirectory())
( w) a# l2 X, m - {
% j* @; q3 A0 U1 `0 ]$ P - mkdirs(outdir, name);
) t; U8 w' v' Z, G8 X$ X - continue;
; m% z7 L- `! b; Q - }
# n* ?& {0 [8 v9 Y
' j& o! e/ F: F0 I( x# L- /* this part is necessary because file entry can come before$ l4 U) c3 k& V' S3 W
- * directory entry where is file located' M5 D: N5 F' p# c5 T
- * i.e.:
& E. ~' Q2 S( d \/ A - * /foo/foo.txt# Y: V. P/ i, ~. Y' V% `
- * /foo/* I: g4 L0 e9 M. B2 l
- */9 `- x/ j, Y' S- E+ {
. w; J. L: Y: C9 g. p9 U; v; C- dir = dirpart(name);
! v+ `4 Z: M( P: t0 T+ b - if(dir != null)6 J" A$ D5 ~/ {# Y+ t
- mkdirs(outdir, dir);) [9 I& ?4 G7 u" B
9 d3 R& P' R' R9 @! m5 X- extractFile(zin, outdir, name);
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- zin.close();
& K1 K' ?7 Y+ N* @6 M - }$ r; J# C/ V2 w" M, M, O
- catch (java.io.IOException e), a; H, ~0 Q2 V8 U+ K H9 ?% }, z
- {3 o; B/ `9 J- y
- e.printStackTrace();( j3 B$ O% ]1 l2 R7 E3 Z u
- }
1 x" R9 F/ R0 P- t9 i" ^8 t - }& G+ j( S4 B K( q- h' N
- private static void extractFile(java.util.zip.ZipInputStream in, java.io.File outdir, String name) throws java.io.IOException
" g& q6 I/ e, X! f& U( o - {+ l2 t! G1 {( }" e# d: T6 n0 U h
- byte[] buffer = new byte[4096];
1 B& \) p2 u% q. E3 V - java.io.BufferedOutputStream out = new java.io.BufferedOutputStream(new java.io.FileOutputStream(new java.io.File(outdir, name)));# t9 o9 l) i0 a/ I, a
- int count = -1;7 X* G% {8 }" \" v( b8 J' \6 @
- while ((count = in.read(buffer)) != -1)
8 i5 Z+ m7 p6 J3 Q& B$ c! { - out.write(buffer, 0, count);# |0 S D8 I! d
- out.close();, X i0 e8 q% I s V. X
- }. P& j' b, b1 ] v7 n: T7 p0 ~9 @
% G, W0 w4 Z6 p, }- F7 P- private static void mkdirs(java.io.File outdir, String path)
9 W0 \! t( a0 U& I1 } - {
5 x+ N; v4 C7 V U- G4 _, q - java.io.File d = new java.io.File(outdir, path);
; a3 p6 S4 W! z: F1 Q - if(!d.exists())' V% Z3 M, i3 f" e
- d.mkdirs();
9 A9 ]9 A3 G4 T1 X- N6 N$ J - }
/ {, ?0 [6 P2 ^ y
% p8 L c4 O7 y$ N0 U% G- private static String dirpart(String name)
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- int s = name.lastIndexOf(java.io.File.separatorChar); U& m; j* H# p. C. S0 w
- return s == -1 ? null : name.substring(0, s);
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