| 提交 | 用户 | 时间 | ||
| fd2207 | 1 | package com.jcdm.common.utils.file; |
| 懒 | 2 | |
| 3 | import java.io.ByteArrayInputStream; | |
| 4 | import java.io.FileInputStream; | |
| 5 | import java.io.InputStream; | |
| 6 | import java.net.URL; | |
| 7 | import java.net.URLConnection; | |
| 8 | import java.util.Arrays; | |
| 9 | import org.apache.poi.util.IOUtils; | |
| 10 | import org.slf4j.Logger; | |
| 11 | import org.slf4j.LoggerFactory; | |
| 12 | import com.jcdm.common.config.MesConfig; | |
| 13 | import com.jcdm.common.constant.Constants; | |
| 14 | import com.jcdm.common.utils.StringUtils; | |
| 15 | ||
| 16 | /** | |
| 17 | * 图片处理工具类 | |
| 18 | * | |
| 19 | * @author jc | |
| 20 | */ | |
| 21 | public class ImageUtils | |
| 22 | { | |
| 23 | private static final Logger log = LoggerFactory.getLogger(ImageUtils.class); | |
| 24 | ||
| 25 | public static byte[] getImage(String imagePath) | |
| 26 | { | |
| 27 | InputStream is = getFile(imagePath); | |
| 28 | try | |
| 29 | { | |
| 30 | return IOUtils.toByteArray(is); | |
| 31 | } | |
| 32 | catch (Exception e) | |
| 33 | { | |
| 34 | log.error("图片加载异常 {}", e); | |
| 35 | return null; | |
| 36 | } | |
| 37 | finally | |
| 38 | { | |
| 39 | IOUtils.closeQuietly(is); | |
| 40 | } | |
| 41 | } | |
| 42 | ||
| 43 | public static InputStream getFile(String imagePath) | |
| 44 | { | |
| 45 | try | |
| 46 | { | |
| 47 | byte[] result = readFile(imagePath); | |
| 48 | result = Arrays.copyOf(result, result.length); | |
| 49 | return new ByteArrayInputStream(result); | |
| 50 | } | |
| 51 | catch (Exception e) | |
| 52 | { | |
| 53 | log.error("获取图片异常 {}", e); | |
| 54 | } | |
| 55 | return null; | |
| 56 | } | |
| 57 | ||
| 58 | /** | |
| 59 | * 读取文件为字节数据 | |
| 60 | * | |
| 61 | * @param url 地址 | |
| 62 | * @return 字节数据 | |
| 63 | */ | |
| 64 | public static byte[] readFile(String url) | |
| 65 | { | |
| 66 | InputStream in = null; | |
| 67 | try | |
| 68 | { | |
| 69 | if (url.startsWith("http")) | |
| 70 | { | |
| 71 | // 网络地址 | |
| 72 | URL urlObj = new URL(url); | |
| 73 | URLConnection urlConnection = urlObj.openConnection(); | |
| 74 | urlConnection.setConnectTimeout(30 * 1000); | |
| 75 | urlConnection.setReadTimeout(60 * 1000); | |
| 76 | urlConnection.setDoInput(true); | |
| 77 | in = urlConnection.getInputStream(); | |
| 78 | } | |
| 79 | else | |
| 80 | { | |
| 81 | // 本机地址 | |
| 82 | String localPath = MesConfig.getProfile(); | |
| 83 | String downloadPath = localPath + StringUtils.substringAfter(url, Constants.RESOURCE_PREFIX); | |
| 84 | in = new FileInputStream(downloadPath); | |
| 85 | } | |
| 86 | return IOUtils.toByteArray(in); | |
| 87 | } | |
| 88 | catch (Exception e) | |
| 89 | { | |
| 90 | log.error("获取文件路径异常 {}", e); | |
| 91 | return null; | |
| 92 | } | |
| 93 | finally | |
| 94 | { | |
| 95 | IOUtils.closeQuietly(in); | |
| 96 | } | |
| 97 | } | |
| 98 | } | |
