src/main/java/me/codeboy/common/base/net/core/CBConnection.java
public void saveToFile(File file)
            throws IOException {
        if (CBStringUtil.isEmptyOrNull(this.url)) {
            return;
        }
        URL url = new URL(this.url);
        URLConnection conn = url.openConnection();
        InputStream is = conn.getInputStream();
        OutputStream os = new FileOutputStream(file);
        byte[] b = new byte[1024];
        int len;
        while ((len = is.read(b)) != -1) {
            os.write(b, 0, len);
        }
        os.close();
        is.close();
    }
public void saveToFile(File file)
            throws IOException {
        if (CBStringUtil.isEmptyOrNull(this.url)) {
            return;
        }
        URL url = new URL(this.url);
        URLConnection conn = url.openConnection();
        InputStream is = conn.getInputStream();
        OutputStream os = new FileOutputStream(file);
        byte[] b = new byte[1024];
        int len;
        while ((len = is.read(b)) != -1) {
            os.write(b, 0, len);
        }
        os.close();
        is.close();
    }
public void saveToFile ( File file ) throws IOException { if ( CBStringUtil . isEmptyOrNull ( this . url ) ) { return ; } URL url = new URL ( this . url ) ; URLConnection conn = url . openConnection ( ) ; InputStream is = conn . getInputStream ( ) ; OutputStream os = new FileOutputStream ( file ) ; byte [ ] b = new byte [ 1024 ] ; int len ; while ( ( len = is . read ( b ) ) != - 1 ) { os . write ( b , 0 , len ) ; } os . close ( ) ; is . close ( ) ; }
保存指定位置的文件

@param file 保存文件
@throws IOException IO异常
保存指定位置的文件