修改生成随机字符串的方法

guns-admin/src/main/java/com/stylefeng/guns/core/shiro/ShiroKit.java

@@ -17,6 +17,7 @@ package com.stylefeng.guns.core.shiro;
 
 import com.stylefeng.guns.common.constant.Const;
 import com.stylefeng.guns.common.constant.factory.ConstantFactory;
+import com.stylefeng.guns.core.util.ToolUtil;
 import org.apache.shiro.SecurityUtils;
 import org.apache.shiro.crypto.hash.Md5Hash;
 import org.apache.shiro.crypto.hash.SimpleHash;
@@ -25,7 +26,6 @@ import org.apache.shiro.subject.Subject;
 import org.apache.shiro.util.ByteSource;
 
 import java.util.List;
-import java.util.Random;
 
 /**
  * shiro工具类
@@ -64,14 +64,7 @@ public class ShiroKit {
      * @return
      */
     public static String getRandomSalt(int length) {
-        String base = "abcdefghijklmnopqrstuvwxyz0123456789";
-        Random random = new Random();
-        StringBuffer sb = new StringBuffer();
-        for (int i = 0; i < length; i++) {
-            int number = random.nextInt(base.length());
-            sb.append(base.charAt(number));
-        }
-        return sb.toString();
+        return ToolUtil.getRandomString(length);
     }
 
     /**

guns-core/src/main/java/com/stylefeng/guns/core/util/ToolUtil.java

@@ -28,6 +28,23 @@ import java.util.Map.Entry;
  * 高频方法集合类
  */
 public class ToolUtil {
+
+    /**
+     * 获取随机位数的字符串
+     *
+     * @author fengshuonan
+     * @Date 2017/8/24 14:09
+     */
+    public static String getRandomString(int length) {
+        String base = "abcdefghijklmnopqrstuvwxyz0123456789";
+        Random random = new Random();
+        StringBuffer sb = new StringBuffer();
+        for (int i = 0; i < length; i++) {
+            int number = random.nextInt(base.length());
+            sb.append(base.charAt(number));
+        }
+        return sb.toString();
+    }
     
     /**
      * 判断一个对象是否是时间类型
@@ -65,40 +82,6 @@ public class ToolUtil {
     }
 
     /**
-     * @Description 主键id
-     * @author fengshuonan
-     */
-    public static String getUid() {
-        return getRandomNum();
-    }
-
-    /**
-     * @Description 随机数字
-     * @author fengshuonan
-     */
-    public static String getRandomNum() {
-        return Calendar.getInstance().getTimeInMillis() + generateCellPhoneValNum();
-    }
-
-    /**
-     * @Description 获取电话号码
-     * @author fengshuonan
-     */
-    public static String generateCellPhoneValNum() {
-        String[] beforeShuffle = new String[]{"1", "2", "3", "4", "5", "6",
-                "7", "8", "9", "0"};
-        List<String> list = Arrays.asList(beforeShuffle);
-        Collections.shuffle(list);
-        StringBuilder buffer = new StringBuilder();
-        for (int i = 0; i < list.size(); i++) {
-            buffer.append(list.get(i));
-        }
-        String afterShuffle = buffer.toString();
-        String result = afterShuffle.substring(3, 9);
-        return result;
-    }
-
-    /**
      * 比较两个对象是否相等。<br>
      * 相同的条件有两个，满足其一即可：<br>
      * 1. obj1 == null && obj2 == null; 2. obj1.equals(obj2)