根据code获取枚举对象，默认返回CSV

gic-enterprise-download/src/main/java/com/gic/download/constants/ExcelExtensionEnum.java

@@ -21,6 +21,26 @@ public enum ExcelExtensionEnum {
         this.extension = extension;
     }
 
+    /**
+     * 根据code获取枚举对象，默认返回CSV
+     * @Title: getByCode

+     * @Description:
+    
* @author guojuxing
+     * @param code

+     * @return  com.gic.download.constants.ExcelExtensionEnum

+    
*/
+    public static ExcelExtensionEnum getByCode(Integer code) {
+        if (code == null) {
+            return ExcelExtensionEnum.CSV;
+        }
+        for (ExcelExtensionEnum extensionEnum : values()) {
+            if (code.intValue() == extensionEnum.getCode()) {
+                return extensionEnum;
+            }
+        }
+        return ExcelExtensionEnum.CSV;
+    }
+
     public static String getExtensionByCode(Integer code) {
         if (code == null) {
             return ".csv";