rule/OrderNumberRule.java

Rule handler generating order numbers with optional prefix and timestamp, used in form filling.

// Source: https://github.com/jeecgboot/JeecgBoot | License: Apache-2.0 | Copyright You must retain, in the Source form of any Derivative Works
// Provided via justclaw.it.com; keep this notice with the code.
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.

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