JeecgBoot 2.4.2 积木报表版本发布,基于SpringBoot的低代码平台
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package org.jeecg.modules.system.rule;
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import com.alibaba.fastjson.JSONObject;
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import org.apache.commons.lang.StringUtils;
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import org.apache.commons.lang.math.RandomUtils;
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import org.jeecg.common.handler.IFillRuleHandler;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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/**
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* 填值规则Demo:生成订单号
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* 【测试示例】
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*/
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public class OrderNumberRule implements IFillRuleHandler {
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@Override
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public Object execute(JSONObject params, JSONObject formData) {
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String prefix = "CN";
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//订单前缀默认为CN 如果规则参数不为空,则取自定义前缀
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if (params != null) {
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Object obj = params.get("prefix");
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if (obj != null) prefix = obj.toString();
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}
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SimpleDateFormat format = new SimpleDateFormat("yyyyMMddHHmmss");
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int random = RandomUtils.nextInt(90) + 10;
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String value = prefix + format.format(new Date()) + random;
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// 根据formData的值的不同,生成不同的订单号
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String name = formData.getString("name");
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if (!StringUtils.isEmpty(name)) {
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value += name;
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}
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return value;
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}
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}
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