123456789101112131415161718192021222324252627282930313233343536 |
- package org.jeecg.modules.system.rule;
- import com.alibaba.fastjson.JSONObject;
- import org.apache.commons.lang.StringUtils;
- import org.apache.commons.lang.math.RandomUtils;
- import org.jeecg.common.handler.IFillRuleHandler;
- import java.text.SimpleDateFormat;
- import java.util.Date;
- /**
- * 填值规则Demo:生成订单号
- * 【测试示例】
- */
- public class OrderNumberRule implements IFillRuleHandler {
- @Override
- public Object execute(JSONObject params, JSONObject formData) {
- String prefix = "CN";
- //订单前缀默认为CN 如果规则参数不为空,则取自定义前缀
- if (params != null) {
- Object obj = params.get("prefix");
- if (obj != null) prefix = obj.toString();
- }
- SimpleDateFormat format = new SimpleDateFormat("yyyyMMddHHmmss");
- int random = RandomUtils.nextInt(90) + 10;
- String value = prefix + format.format(new Date()) + random;
- // 根据formData的值的不同,生成不同的订单号
- String name = formData.getString("name");
- if (!StringUtils.isEmpty(name)) {
- value += name;
- }
- return value;
- }
- }
|