adding wx-pay and alipay logic and order and good logic code

smart-admin-service/smart-admin-api/src/main/java/net/lab1024/smartadmin/util/GenerateSequenceUtil.java

@@ -0,0 +1,52 @@
+package net.lab1024.smartadmin.util;
+
+import java.text.DecimalFormat;
+import java.text.FieldPosition;
+import java.text.Format;
+import java.text.NumberFormat;
+import java.text.SimpleDateFormat;
+import java.util.Calendar;
+
+
+public class GenerateSequenceUtil {
+
+    /** .log */
+
+    /** The FieldPosition. */
+    private static final FieldPosition HELPER_POSITION = new FieldPosition(0);
+
+    /** This Format for format the data to special format. */
+    private final static Format dateFormat = new SimpleDateFormat("MMddHHmmssS");
+
+    /** This Format for format the number to special format. */
+    private final static NumberFormat numberFormat = new DecimalFormat("0000");
+
+    /** This int is the sequence number ,the default value is 0. */
+    private static int seq = 0;
+
+    private static final int MAX = 9999;
+
+    /**
+     * ʱ<><CAB1><EFBFBD>ʽ<EFBFBD><CABD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+     * @return String
+     */
+    public static synchronized String generateSequenceNo() {
+
+        Calendar rightNow = Calendar.getInstance();
+
+        StringBuffer sb = new StringBuffer();
+
+        dateFormat.format(rightNow.getTime(), sb, HELPER_POSITION);
+
+        numberFormat.format(seq, sb, HELPER_POSITION);
+
+        if (seq == MAX) {
+            seq = 0;
+        } else {
+            seq++;
+        }
+
+
+        return sb.toString();
+    }
+}