计划调度工具类

wj-common/src/main/java/net/wanji/common/utils/tool/ScheduleUtil.java

+package net.wanji.common.utils.tool;
+
+/**
+ * @Author: zhouleilei
+ * @date: 2024/11/09 15:15
+ * @Version: 1.0
+ * @Description: Schedule Util
+ */
+public class ScheduleUtil {
+    /**
+     * @return java.lang.String
+     * @Description 根据类型和值返回对应的月、日、星期
+     * @Param value
+     * @Param type 1-月 2-日 3-星期
+     **/
+    public static String getSchedule(Integer value, Integer type) {
+        if (value == null || type == null){
+            return "";
+        }
+        //将int转为二进制
+        String binary = Integer.toBinaryString(value);
+        StringBuilder stringBuilder = new StringBuilder(binary);
+        String s = stringBuilder.reverse().toString();
+        int len = s.length();
+        switch (type) {
+            case 1:
+                //月
+                s = repeatCharacter(s, 13).substring(1, 13);
+                break;
+            case 2:
+                //日
+                s = repeatCharacter(s, 32).substring(1, 32);
+                break;
+            case 3:
+                //星期
+                s = repeatCharacter(s, 8).substring(1, 8);
+                break;
+            default:
+                break;
+        }
+        StringBuilder str = new StringBuilder();
+        char[] chars = s.toCharArray();
+        for (int i = 0; i < chars.length; i++) {
+            char aChar = chars[i];
+            if (aChar == 49) {
+                if (type == 3) {
+                    //星期日是0
+                    str.append(i).append(",");
+                } else {
+                    str.append(i + 1).append(",");
+                }
+            }
+        }
+        int i = str.lastIndexOf(",");
+        if (i > 0) {
+            StringBuilder stringBuilder1 = str.deleteCharAt(i);
+            return stringBuilder1.toString();
+        }
+        return "";
+    }
+
+    /**
+     * @return java.lang.String
+     * @Description 字符串根据长度补0
+     * @Param str    原字符串
+     * @Param length 长度
+     **/
+    private static String repeatCharacter(String str, int length) {
+        int times = length - str.length();
+        StringBuilder sb = new StringBuilder();
+        for (int i = 0; i < times; i++) {
+            sb.append("0");
+        }
+        return str + sb.toString();
+    }
+
+    /**
+     * 将二进制整数部分转换成十进制
+     *
+     * @param inteter 二进制整数部分字符串
+     * @return 转换后的十进制数值
+     */
+    public static Integer binaryIntToDecimalism(String inteter) {
+        int inteterSum = 0;
+        for (int i = inteter.length(); i > 0; i--) {
+            int scale = 2;
+            if (inteter.charAt(-(i - inteter.length())) == '1') {
+                if (i != 1) {
+                    for (int j = 1; j < i - 1; j++) {
+                        scale *= 2;
+                    }
+                } else {
+                    scale = 1;
+                }
+            } else {
+                scale = 0;
+            }
+            inteterSum += scale;
+        }
+        return inteterSum;
+    }
+
+    public static void main(String[] args) {
+        System.out.println(getSchedule(8190, 1));
+        System.out.println(getSchedule(0, 2));
+        System.out.println(getSchedule(4, 3));
+    }
+}