utils

src/sc545/pay/utils/Utils.java

@@ -1,7 +1,10 @@
 package sc545.pay.utils;
 
+import java.awt.image.BufferedImage;
 import java.io.*;
 import java.math.BigDecimal;
+import java.net.URL;
+import java.net.URLConnection;
 import java.text.DecimalFormat;
 import java.text.ParseException;
 import java.text.SimpleDateFormat;
@@ -16,6 +19,7 @@ import java.util.Random;
 import java.util.regex.Matcher;
 import java.util.regex.Pattern;
 
+import javax.imageio.ImageIO;
 import javax.servlet.http.Cookie;
 import javax.servlet.http.HttpServletRequest;
 
@@ -1172,6 +1176,31 @@ public class Utils {
         return pics;
     }
 	
+	/**
+	 * 获取图片的宽高
+	 * @param url
+	 * @return
+	 */
+	public static int[] getImgWH(String url){
+		int srcWidth = 0;      // 源图宽度
+	    int srcHeight = 0;    // 源图高度
+		
+	    try{
+			
+			URL url1 = new URL(url);
+	        URLConnection connection = url1.openConnection();
+	        connection.setDoOutput(true);
+	        BufferedImage image = ImageIO.read(connection.getInputStream());  
+	        if(image==null) return new int[]{0,0};
+	        srcWidth = image .getWidth();      // 源图宽度
+		    srcHeight = image .getHeight();    // 源图高度
+	    
+		}catch(Exception e){e.printStackTrace();}
+		
+		return new int[]{srcWidth,srcHeight};
+	}
+
+
 	public static Map<String, Object> urlParamToMaps(String q) {
 		
 		if(q==null||"".equals(q.trim())) return null;