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| @@ -0,0 +1,129 @@ | ||
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| import org.springframework.web.multipart.MultipartFile; | ||
| import sun.misc.BASE64Encoder; | ||
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| import java.io.*; | ||
| import java.net.URL; | ||
| import java.net.URLConnection; | ||
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| /** | ||
| * 超简图床JAVA版本SDK | ||
| */ | ||
| public class imgApiSdk { | ||
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| /** | ||
| * 上传图片到超简图床 | ||
| * @param apiUrl api地址，请在图床设置页面查看 | ||
| * @param apiKey 通讯秘钥，请在图床设置页面查看 | ||
| * @param file 表单的图片文件 | ||
| * @return | ||
| */ | ||
| public static String uploadToImgApi(String apiUrl, String apiKey, MultipartFile file){ | ||
| String base64 = null; | ||
| File f = null; | ||
| String res = null; | ||
| try { | ||
| f=File.createTempFile("tmp", null); | ||
| file.transferTo(f); | ||
| f.deleteOnExit(); //使用完成删除文件 | ||
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| FileInputStream inputFile = new FileInputStream(f); | ||
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| byte[] buffer = new byte[(int) f.length()]; | ||
| inputFile.read(buffer); | ||
| inputFile.close(); | ||
| base64 = new BASE64Encoder().encode(buffer); | ||
| base64 = base64.replaceAll("[\\s*\t\n\r]", ""); | ||
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| String param = "key="+apiKey+"&onlyUrl=1&imgBase64="+getURLEncoderString(base64); | ||
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| res = sendPost(apiUrl,param); | ||
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| } catch (IOException e) { | ||
| e.printStackTrace(); | ||
| } | ||
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| return res; | ||
| } | ||
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| /** | ||
| * 向指定 URL 发送POST方法的请求 | ||
| * | ||
| * @param url | ||
| * 发送请求的 URL | ||
| * @param param | ||
| * 请求参数，请求参数应该是 name1=value1&name2=value2 的形式。 | ||
| * @return 所代表远程资源的响应结果 | ||
| */ | ||
| private static String sendPost(String url, String param) { | ||
| PrintWriter out = null; | ||
| BufferedReader in = null; | ||
| String result = ""; | ||
| try { | ||
| URL realUrl = new URL(url); | ||
| // 打开和URL之间的连接 | ||
| URLConnection conn = realUrl.openConnection(); | ||
| // 设置通用的请求属性 | ||
| conn.setRequestProperty("accept", "*/*"); | ||
| conn.setRequestProperty("connection", "Keep-Alive"); | ||
| conn.setRequestProperty("user-agent", | ||
| "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)"); | ||
| // 发送POST请求必须设置如下两行 | ||
| conn.setDoOutput(true); | ||
| conn.setDoInput(true); | ||
| // 获取URLConnection对象对应的输出流 | ||
| out = new PrintWriter(conn.getOutputStream()); | ||
| // 发送请求参数 | ||
| out.print(param); | ||
| // flush输出流的缓冲 | ||
| out.flush(); | ||
| // 定义BufferedReader输入流来读取URL的响应 | ||
| in = new BufferedReader( | ||
| new InputStreamReader(conn.getInputStream())); | ||
| String line; | ||
| while ((line = in.readLine()) != null) { | ||
| result += line; | ||
| } | ||
| } catch (Exception e) { | ||
| System.out.println("发送 POST 请求出现异常！"+e); | ||
| e.printStackTrace(); | ||
| } | ||
| //使用finally块来关闭输出流、输入流 | ||
| finally{ | ||
| try{ | ||
| if(out!=null){ | ||
| out.close(); | ||
| } | ||
| if(in!=null){ | ||
| in.close(); | ||
| } | ||
| } | ||
| catch(IOException ex){ | ||
| ex.printStackTrace(); | ||
| } | ||
| } | ||
| return result; | ||
| } | ||
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| /** | ||
| * URL编码 | ||
| * @param str 需要编码的文本 | ||
| * @return 编码后的文本 | ||
| */ | ||
| private static String getURLEncoderString(String str) { | ||
| String result = ""; | ||
| if (null == str) { | ||
| return ""; | ||
| } | ||
| try { | ||
| result = java.net.URLEncoder.encode(str, "UTF-8"); | ||
| } catch (UnsupportedEncodingException e) { | ||
| e.printStackTrace(); | ||
| } | ||
| return result; | ||
| } | ||
| } |
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