package org.jeecg.common.util;
|
|
import com.alibaba.fastjson.JSON;
|
import com.alibaba.fastjson.JSONObject;
|
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
|
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
|
import lombok.extern.slf4j.Slf4j;
|
import org.apache.commons.lang3.StringUtils;
|
import org.jeecg.common.handler.IFillRuleHandler;
|
|
|
/**
|
* 规则值自动生成工具类
|
*
|
* @author qinfeng
|
* @举例： 自动生成订单号；自动生成当前日期
|
*/
|
@Slf4j
|
public class FillRuleUtil {
|
|
/**
|
* @param ruleCode ruleCode
|
* @return
|
*/
|
@SuppressWarnings("unchecked")
|
public static Object executeRule(String ruleCode, JSONObject formData) {
|
if (!StringUtils.isEmpty(ruleCode)) {
|
try {
|
// 获取 Service
|
ServiceImpl impl = (ServiceImpl) SpringContextUtils.getBean("sysFillRuleServiceImpl");
|
// 根据 ruleCode 查询出实体
|
QueryWrapper queryWrapper = new QueryWrapper();
|
queryWrapper.eq("rule_code", ruleCode);
|
JSONObject entity = JSON.parseObject(JSON.toJSONString(impl.getOne(queryWrapper)));
|
if (entity == null) {
|
log.warn("填值规则：" + ruleCode + " 不存在");
|
return null;
|
}
|
// 获取必要的参数
|
String ruleClass = entity.getString("ruleClass");
|
JSONObject params = entity.getJSONObject("ruleParams");
|
if (params == null) {
|
params = new JSONObject();
|
}
|
if (formData == null) {
|
formData = new JSONObject();
|
}
|
// 通过反射执行配置的类里的方法
|
IFillRuleHandler ruleHandler = (IFillRuleHandler) Class.forName(ruleClass).newInstance();
|
return ruleHandler.execute(params, formData);
|
} catch (Exception e) {
|
e.printStackTrace();
|
}
|
}
|
return null;
|
}
|
}
|
