feat(零碳): 长庆

1.添加easy excel配置,增加转换器,增加全局excel导出样式,增加场站下拉选解析器;
2.开发光伏电站模板导出接口,增加模板导出类,并完成接口冒烟测试及接口文档;

BREAKING CHANGE: 无

Closes 无

[skip ci]

C09-base/pps-core-base/src/main/java/pps/core/base/service/ExcelService.java

 package pps.core.base.service;
 
+import cn.hutool.core.collection.CollUtil;
 import cn.hutool.core.io.FileUtil;
 import com.alibaba.excel.EasyExcelFactory;
 import com.alibaba.excel.ExcelWriter;
 import com.alibaba.excel.write.metadata.WriteSheet;
 import com.alibaba.excel.write.style.column.LongestMatchColumnWidthStyleStrategy;
+import pps.core.base.config.excel.CascadeWriteHandler;
 import pps.core.base.config.excel.ExcelStyleTool;
 import pps.core.base.service.data.base_excel.ExcelPhotovoltaicPlantTemplate;
 import pps.core.base.utils.EasyExcelUtil;
@@ -18,6 +20,9 @@ import xstartup.feature.api.annotation.XApiGet;
 
 import java.io.File;
 import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
 
 /**
  * excel导入导出
@@ -40,9 +45,19 @@ public class ExcelService {
     public XFileResult templatePhotovoltaicPlant(XContext context) {
         String fileSavePath = XStorageTool.getAbsolutePath("/temp/excel/光伏电站模板.xlsx");
         File file = FileUtil.touch(fileSavePath);
+        // 准备要写出的数据（这里可以从数据库中查询出来后再进行）
+        // 查询所有的省名称
+        List<String> provNameList = new ArrayList<>();
+        provNameList.add("浙江省");
+        provNameList.add("广东省");
+        // 整理数据，放入一个Map中，mapkey存放父地点，value 存放该地点下的子区域
+        Map<String, List<String>> siteMap = new HashMap<>();
+        siteMap.put("浙江省", CollUtil.newArrayList("杭州市", "金华市", "宁波市"));
+        siteMap.put("广东省", CollUtil.newArrayList("广州市", "深圳市", "韶光市"));
         ExcelWriter excelWriter = EasyExcelFactory.write(file)
                 .registerWriteHandler(ExcelStyleTool.getStyleStrategy())
                 .registerWriteHandler(new LongestMatchColumnWidthStyleStrategy())
+                .registerWriteHandler(new CascadeWriteHandler(provNameList, siteMap))
                 .autoCloseStream(Boolean.TRUE)
                 .build();
         WriteSheet writeSheet = EasyExcelUtil.writeSelectedSheet(ExcelPhotovoltaicPlantTemplate.class, 0, "光伏电站");