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@@ -0,0 +1,55 @@
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+package com.happy.Until;
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+
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+import com.happy.common.http.HttpsClient;
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+
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+import java.io.ByteArrayOutputStream;
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+import java.io.File;
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+import java.io.FileOutputStream;
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+import java.io.InputStream;
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+import java.net.HttpURLConnection;
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+import java.net.URL;
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+
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+public class DownloadPicture {
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+
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+ public static byte[] readInputStream(InputStream inStream) throws Exception {
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+ ByteArrayOutputStream outStream = new ByteArrayOutputStream();
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+ //创建一个Buffer字符串
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+ byte[] buffer = new byte[6024];
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+ //每次读取的字符串长度,如果为-1,代表全部读取完毕
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+ int len;
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+ //使用一个输入流从buffer里把数据读取出来
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+ while ((len = inStream.read(buffer)) != -1) {
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+ //用输出流往buffer里写入数据,中间参数代表从哪个位置开始读,len代表读取的长度
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+ outStream.write(buffer, 0, len);
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+ }
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+ //关闭输入流
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+ inStream.close();
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+ //把outStream里的数据写入内存
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+ return outStream.toByteArray();
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+ }
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+
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+ public static File download(String durl) throws Exception {
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+ //定义一个URL对象,就是你想下载的图片的URL地址
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+ URL url = new URL(durl);
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+ //打开连接
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+ HttpURLConnection conn = (HttpURLConnection) url.openConnection();
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+ //设置请求方式为"GET"
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+ conn.setRequestMethod("GET");
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+ //超时响应时间为10秒
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+ conn.setConnectTimeout(10 * 1000);
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+ //通过输入流获取图片数据
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+ InputStream is = conn.getInputStream();
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+ //得到图片的二进制数据,以二进制封装得到数据,具有通用性
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+ byte[] data = readInputStream(is);
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+ //创建一个文件对象用来保存图片,默认保存当前工程根目录,起名叫Copy.jpg
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+ File imageFile = File.createTempFile("temp", ".jpg");
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+ //创建输出流
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+ FileOutputStream outStream = new FileOutputStream(imageFile);
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+ //写入数据
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+ outStream.write(data);
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+ //关闭输出流,释放资源
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+ outStream.close();
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+ return imageFile;
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+ }
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+
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+}
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