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src/main/java/com/xujie/sys/common/utils/FillRuleUtil.java

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+package com.xujie.sys.common.utils;
+
+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 com.xujie.sys.modules.ruler.IFillRuleHandler;
+import lombok.extern.slf4j.Slf4j;
+import org.apache.commons.lang3.StringUtils;
+
+@Slf4j
+public class FillRuleUtil {
+    public static Object fillRule(String ruleCode, JSONObject formData) {
+        if (!StringUtils.isEmpty(ruleCode)) {
+            try {
+
+                ServiceImpl impl = (ServiceImpl) SpringContextUtils.getBean("SysFillRuleServiceImpl");
+                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;
+                }
+                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;
+    }
+}

src/main/java/com/xujie/sys/modules/ruler/CodeRule.java

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+package com.xujie.sys.modules.ruler;
+
+import com.alibaba.fastjson.JSONObject;
+import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
+import com.xujie.sys.common.utils.SpringContextUtils;
+import com.xujie.sys.modules.sys.dao.SysCodeCountMapper;
+import com.xujie.sys.modules.sys.entity.SysCodeCount;
+import com.xujie.sys.modules.sys.service.impl.SysCodeCountServiceImpl;
+import org.springframework.util.CollectionUtils;
+
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import java.util.List;
+
+public class CodeRule implements IFillRuleHandler{
+    @Override
+    public Object execute(JSONObject params, JSONObject formData) {
+        String codeno=formData.get("codeno").toString();
+        SysCodeCountServiceImpl sysCodeCountImpl = (SysCodeCountServiceImpl)SpringContextUtils.getBean("SysCodeCountServiceImpl");
+        SimpleDateFormat format = new SimpleDateFormat("yyMMdd") ;
+        String updateDate=format.format(new Date())   ;
+        QueryWrapper<SysCodeCount> queryWrapper=new QueryWrapper<>()  ;
+        queryWrapper.eq("code_no",codeno);
+        List<SysCodeCount> firs=  sysCodeCountImpl.list(queryWrapper);
+
+        SysCodeCount fir = null;
+        int cnum=0;
+        if(CollectionUtils.isEmpty(firs)){
+            cnum++;
+            fir=new SysCodeCount();
+            fir.setCnum(cnum);
+            fir.setCodeNo(codeno);
+            fir.setUpdateDate(new Date());
+            fir.setCreateDate(new Date());
+            sysCodeCountImpl.save(fir);
+        }else{
+            fir = firs.get(0);
+            cnum=   fir.getCnum();
+            cnum++;
+            fir.setCnum(cnum);
+            fir.setUpdateDate(new Date());
+            sysCodeCountImpl.updateById(fir);
+        }
+        String value = codeno +  updateDate + String.format("%04d", cnum) ;
+        return value;
+    }
+}

src/main/java/com/xujie/sys/modules/ruler/Consts.java

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+package com.xujie.sys.modules.ruler;
+
+public interface Consts {
+    public final static String PROJECT = "PJ";
+
+    public final static String PROJECTINCOME = "YS";
+    public final static String PROJECTPLAN = "P";
+    public final static String PROJECTTASK = "Q";
+}

src/main/java/com/xujie/sys/modules/ruler/IFillRuleHandler.java

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+package com.xujie.sys.modules.ruler;
+
+import com.alibaba.fastjson.JSONObject;
+
+public interface IFillRuleHandler {
+    Object execute(JSONObject params, JSONObject formData);
+}