测试下载图片

zzjs-admin/src/test/java/com/miaxis/domain/Test.java

@@ -0,0 +1,15 @@
+package com.miaxis.domain;
+
+import com.miaxis.common.annotation.Excel;
+import lombok.Data;
+
+@Data
+public class Test {
+
+    @Excel(name = "media_url")
+    public String mediaUrl;
+
+
+
+
+}

zzjs-admin/src/test/java/com/miaxis/test/Test02.java

@@ -1,5 +1,9 @@
 package com.miaxis.test;
 
+import com.miaxis.common.utils.StringUtils;
+import com.miaxis.common.utils.poi.ExcelUtil;
+import com.miaxis.domain.Test;
+
 import java.io.*;
 import java.net.HttpURLConnection;
 import java.net.URL;
@@ -9,10 +13,31 @@ import java.util.List;
 public class Test02 {
 
 
+
+
+    public void testExcel() throws Exception {
+
+        File file = new File("G:\\中正\\题库图\\t1.xlsx");
+        InputStream inputStream = new FileInputStream(file);
+
+
+        ExcelUtil<Test> util = new ExcelUtil<Test>(Test.class);
+        List<Test> testList = util.importExcel(inputStream);
+
+
+        System.out.println(testList);
+        if(StringUtils.isNull(testList) || testList.size()==0) {
+            System.out.println("导入不能为空");
+        } else {
+            for(Test t:testList){
+
+            }
+        }
+
+    }
+
+
     public static void main(String[] args) {
-        //3000-4231
-        //9345
-        //9355-9365
 
         List<String> list = getList();
 

zzjs-admin/src/test/java/com/miaxis/test/Test03.java

@@ -0,0 +1,108 @@
+package com.miaxis.test;
+
+import com.miaxis.common.utils.StringUtils;
+import com.miaxis.common.utils.poi.ExcelUtil;
+import com.miaxis.domain.Test;
+
+import java.io.*;
+import java.net.HttpURLConnection;
+import java.net.URL;
+import java.util.List;
+
+public class Test03 {
+
+
+    public void testExcel() throws Exception {
+
+        File file = new File("G:\\中正\\题库图\\一点通题库图片.xls");
+        InputStream inputStream = new FileInputStream(file);
+        ExcelUtil<Test> util = new ExcelUtil<Test>(Test.class);
+        List<Test> testList = util.importExcel(inputStream);
+        System.out.println(testList.size());
+        if(StringUtils.isNull(testList) || testList.size()==0) {
+            System.out.println("导入不能为空");
+        } else {
+            for(Test t:testList){
+                int index = t.mediaUrl.lastIndexOf("/");
+                String fileName = t.mediaUrl.substring(index+1);
+             //   System.out.println(t.mediaUrl+","+fileName);
+                downLoadFromUrl(t.mediaUrl,fileName,"G:\\中正\\题库图\\media");
+
+            }
+
+        }
+
+    }
+
+    public static void  downLoadFromUrl(String urlStr,String fileName,String savePath) throws IOException {
+        URL url = new URL(urlStr);
+        HttpURLConnection conn = (HttpURLConnection)url.openConnection();
+        //设置超时间为3秒
+        conn.setConnectTimeout(3*1000);
+        //防止屏蔽程序抓取而返回403错误
+        conn.setRequestProperty("User-Agent", "Mozilla/4.0 (compatible; MSIE 5.0; Windows NT; DigExt)");
+        //得到输入流
+        InputStream inputStream = conn.getInputStream();
+
+        //获取自己数组
+        byte[] getData = readInputStream(inputStream);
+
+        //文件保存位置
+        File saveDir = new File(savePath);
+        if(!saveDir.exists()){
+            saveDir.mkdir();
+        }
+
+        File file = new File(saveDir+File.separator+fileName);
+
+        FileOutputStream fos = new FileOutputStream(file);
+
+        fos.write(getData);
+
+        if(fos!=null){
+            fos.close();
+        }
+        if(inputStream!=null){
+
+            inputStream.close();
+        }
+        System.out.println("info:"+url+" download success");
+    }
+
+
+    /**
+
+     * 从输入流中获取字节数组
+
+     * @param inputStream
+
+     * @return
+
+     * @throws IOException
+
+     */
+    public static byte[] readInputStream(InputStream inputStream) throws IOException {
+
+        byte[] buffer = new byte[1024];
+
+        int len = 0;
+
+        ByteArrayOutputStream bos = new ByteArrayOutputStream();
+        while((len = inputStream.read(buffer)) != -1) {
+            bos.write(buffer, 0, len);
+        }
+        bos.close();
+
+        return bos.toByteArray();
+
+    }
+
+    public static void main(String[] args) throws Exception {
+
+        Test03 t = new Test03();
+        t.testExcel();
+
+    }
+
+
+}